updated based on comments

.bumpversion.cfg

@@ -1,23 +0,0 @@
-[bumpversion]
-current_version = 0.1.5
-commit = True
-tag = True
-parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(-(?P<stage>[^.]*)\.(?P<devnum>\d+))?
-serialize = 
-	{major}.{minor}.{patch}-{stage}.{devnum}
-	{major}.{minor}.{patch}
-
-[bumpversion:part:stage]
-optional_value = stable
-first_value = stable
-values = 
-	alpha
-	beta
-	stable
-
-[bumpversion:part:devnum]
-
-[bumpversion:file:setup.py]
-search = version="{current_version}",
-replace = version="{new_version}",
-

.circleci/config.yml

@@ -1,77 +0,0 @@
-version: 2.0
-
-# heavily inspired by https://raw.githubusercontent.com/pinax/pinax-wiki/6bd2a99ab6f702e300d708532a6d1d9aa638b9f8/.circleci/config.yml
-
-common: &common
-  working_directory: ~/repo
-  steps:
-    - checkout
-    - run:
-        name: merge pull request base
-        command: ./.circleci/merge_pr.sh
-    - run:
-        name: merge pull request base (2nd try)
-        command: ./.circleci/merge_pr.sh
-        when: on_fail
-    - run:
-        name: merge pull request base (3nd try)
-        command: ./.circleci/merge_pr.sh
-        when: on_fail
-    - restore_cache:
-        keys:
-          - cache-{{ .Environment.CIRCLE_JOB }}-{{ checksum "setup.py" }}-{{ checksum "tox.ini" }}
-    - run:
-        name: install dependencies
-        command: pip install --user tox
-    - run:
-        name: run tox
-        command: ~/.local/bin/tox -r
-    - save_cache:
-        paths:
-          - .hypothesis
-          - .tox
-          - ~/.cache/pip
-          - ~/.local
-          - ./eggs
-        key: cache-{{ .Environment.CIRCLE_JOB }}-{{ checksum "setup.py" }}-{{ checksum "tox.ini" }}
-
-jobs:
-  docs:
-    <<: *common
-    docker:
-      - image: circleci/python:3.6
-        environment:
-          TOXENV: docs
-  lint:
-    <<: *common
-    docker:
-      - image: circleci/python:3.6
-        environment:
-          TOXENV: lint
-  py36-core:
-    <<: *common
-    docker:
-      - image: circleci/python:3.6
-        environment:
-          TOXENV: py36-core
-  py37-core:
-    <<: *common
-    docker:
-      - image: circleci/python:3.7
-        environment:
-          TOXENV: py37-core
-  pypy3-core:
-    <<: *common
-    docker:
-      - image: pypy
-        environment:
-          TOXENV: pypy3-core
-workflows:
-  version: 2
-  test:
-    jobs:
-      - docs
-      - lint
-      - py36-core
-      - py37-core
-      - pypy3-core

.circleci/merge_pr.sh

@@ -1,12 +0,0 @@
-#!/usr/bin/env bash
-
-if [[ -n "${CIRCLE_PR_NUMBER}" ]]; then
-  PR_INFO_URL=https://api.github.com/repos/$CIRCLE_PROJECT_USERNAME/$CIRCLE_PROJECT_REPONAME/pulls/$CIRCLE_PR_NUMBER
-  PR_BASE_BRANCH=$(curl -L "$PR_INFO_URL" | python -c 'import json, sys; obj = json.load(sys.stdin); sys.stdout.write(obj["base"]["ref"])')
-  git fetch origin +"$PR_BASE_BRANCH":circleci/pr-base
-  # We need these config values or git complains when creating the
-  # merge commit
-  git config --global user.name "Circle CI"
-  git config --global user.email "circleci@example.com"
-  git merge --no-edit circleci/pr-base
-fi

.github/ISSUE_TEMPLATE.md

@@ -1,38 +0,0 @@
- _If this is a bug report, please fill in the following sections.
-If this is a feature request, delete and describe what you would like with examples._
-
-## What was wrong?
-
-### Code that produced the error
-
-```py
-CODE_TO_REPRODUCE 
-```
-
-### Full error output 
-
-```sh
-ERROR_HERE 
-```
-
-### Expected Result
-
-_This section may be deleted if the expectation is "don't crash"._
-
-```sh
-EXPECTED_RESULT
-``` 
-
-### Environment
-
-```sh
-# run this:
-$ python -m eth_utils
-
-# then copy the output here:
-OUTPUT_HERE
-``` 
-
-## How can it be fixed?
-
-Fill this section in if you know how this could or should be fixed.

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,21 +0,0 @@
-## What was wrong?
-
-Issue #
-
-## How was it fixed?
-
-Summary of approach.
-
-### To-Do
-
-[//]: # (Stay ahead of things, add list items here!)
-- [ ] Clean up commit history
-
-[//]: # (For important changes that should go into the release notes please add a newsfragment file as explained here: https://github.com/libp2p/py-libp2p/blob/master/newsfragments/README.md)
-
-[//]: # (See: https://py-libp2p.readthedocs.io/en/latest/contributing.html#pull-requests)
-- [ ] Add entry to the [release notes](https://github.com/libp2p/py-libp2p/blob/master/newsfragments/README.md)
-
-#### Cute Animal Picture
-
-![put a cute animal picture link inside the parentheses]()

.gitignore

@@ -1,126 +1,29 @@
 # Byte-compiled / optimized / DLL files
-*.py[cod]
 __pycache__/
+*.py[cod]
 *$py.class
 
 # C extensions
 *.so
 
 # Distribution / packaging
-*.egg
-*.egg-info
-dist
-build
-eggs
-.eggs
-parts
-bin
-var
-sdist
-develop-eggs
-.installed.cfg
-lib
-lib64
-venv*
 .Python
+build/
+develop-eggs/
+dist/
 downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
 wheels/
+*.egg-info/
+.installed.cfg
+*.egg
 MANIFEST
-pip-wheel-metadata
-
-# Installer logs
-pip-log.txt
-pip-delete-this-directory.txt
-
-# Unit test / coverage reports
-.coverage
-.tox
-nosetests.xml
-htmlcov/
-.coverage.*
-coverage.xml
-*.cover
-.pytest_cache/
-
-# Translations
-*.mo
-*.pot
-
-# Mr Developer
-.mr.developer.cfg
-.project
-.pydevproject
-
-# Complexity
-output/*.html
-output/*/index.html
-
-# Sphinx
-docs/_build
-docs/modules.rst
-docs/*.internal.rst
-docs/*._utils.*
-
-# Hypothese Property base testing
-.hypothesis
-
-# tox/pytest cache
-.cache
-
-# Test output logs
-logs
-
-### JetBrains template
-# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
-# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
-
-# User-specific stuff:
-.idea/workspace.xml
-.idea/tasks.xml
-.idea/dictionaries
-.idea/vcs.xml
-.idea/jsLibraryMappings.xml
-
-# Sensitive or high-churn files:
-.idea/dataSources.ids
-.idea/dataSources.xml
-.idea/dataSources.local.xml
-.idea/sqlDataSources.xml
-.idea/dynamic.xml
-.idea/uiDesigner.xml
-
-# Gradle:
-.idea/gradle.xml
-.idea/libraries
-
-# Mongo Explorer plugin:
-.idea/mongoSettings.xml
-
-# VIM temp files
-*.sw[op]
-
-# mypy
-.mypy_cache
-
-## File-based project format:
-*.iws
-
-## Plugin-specific files:
-
-# IntelliJ
-/out/
-
-# mpeltonen/sbt-idea plugin
-.idea_modules/
-
-# JIRA plugin
-atlassian-ide-plugin.xml
-
-# Crashlytics plugin (for Android Studio and IntelliJ)
-com_crashlytics_export_strings.xml
-crashlytics.properties
-crashlytics-build.properties
-fabric.properties
 
 # PyInstaller
 #  Usually these files are written by a python script from a template
@@ -128,6 +31,26 @@ fabric.properties
 *.manifest
 *.spec
 
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
 # Django stuff:
 *.log
 local_settings.py
@@ -140,6 +63,9 @@ instance/
 # Scrapy stuff:
 .scrapy
 
+# Sphinx documentation
+docs/_build/
+
 # PyBuilder
 target/
 
@@ -159,8 +85,10 @@ celerybeat-schedule
 .env
 .venv
 env/
+venv/
 ENV/
 env.bak/
+venv.bak/
 
 # Spyder project settings
 .spyderproject
@@ -172,5 +100,8 @@ env.bak/
 # mkdocs documentation
 /site
 
-# vscode
-.vscode/
+# mypy
+.mypy_cache/
+
+# pycharm
+.idea/

.project-template/fill_template_vars.sh

@@ -1,48 +0,0 @@
-#!/bin/bash
-
-set -o errexit
-set -o nounset
-set -o pipefail
-
-PROJECT_ROOT=$(dirname $(dirname $(python -c 'import os, sys; sys.stdout.write(os.path.realpath(sys.argv[1]))' "$0")))
-
-echo "What is your python module name?"
-read MODULE_NAME
-
-echo "What is your pypi package name? (default: $MODULE_NAME)"
-read PYPI_INPUT
-PYPI_NAME=${PYPI_INPUT:-$MODULE_NAME}
-
-echo "What is your github project name? (default: $PYPI_NAME)"
-read REPO_INPUT
-REPO_NAME=${REPO_INPUT:-$PYPI_NAME}
-
-echo "What is your readthedocs.org project name? (default: $PYPI_NAME)"
-read RTD_INPUT
-RTD_NAME=${RTD_INPUT:-$PYPI_NAME}
-
-echo "What is your project name (ex: at the top of the README)? (default: $REPO_NAME)"
-read PROJECT_INPUT
-PROJECT_NAME=${PROJECT_INPUT:-$REPO_NAME}
-
-echo "What is a one-liner describing the project?"
-read SHORT_DESCRIPTION
-
-_replace() {
-  local find_cmd=(find "$PROJECT_ROOT" ! -perm -u=x ! -path '*/.git/*' -type f)
-
-  if [[ $(uname) == Darwin ]]; then
-    "${find_cmd[@]}" -exec sed -i '' "$1" {} +
-  else
-    "${find_cmd[@]}" -exec sed -i "$1" {} +
-  fi
-}
-_replace "s/<MODULE_NAME>/$MODULE_NAME/g"
-_replace "s/<PYPI_NAME>/$PYPI_NAME/g"
-_replace "s/<REPO_NAME>/$REPO_NAME/g"
-_replace "s/<RTD_NAME>/$RTD_NAME/g"
-_replace "s/<PROJECT_NAME>/$PROJECT_NAME/g"
-_replace "s/<SHORT_DESCRIPTION>/$SHORT_DESCRIPTION/g"
-
-mkdir -p "$PROJECT_ROOT/$MODULE_NAME"
-touch "$PROJECT_ROOT/$MODULE_NAME/__init__.py"

.project-template/refill_template_vars.sh

@@ -1,2 +0,0 @@
-TEMPLATE_DIR=$(dirname $(readlink -f "$0"))
-<"$TEMPLATE_DIR/template_vars.txt" "$TEMPLATE_DIR/fill_template_vars.sh"

.project-template/template_vars.txt

@@ -1,6 +0,0 @@
-libp2p
-libp2p
-py-libp2p
-py-libp2p
-py-libp2p
-The Python implementation of the libp2p networking stack

.pydocstyle.ini

@@ -1,30 +0,0 @@
-[pydocstyle]
-; All error codes found here:
-; http://www.pydocstyle.org/en/3.0.0/error_codes.html
-;
-; Ignored:
-; D1 - Missing docstring error codes
-;
-; Selected:
-; D2 - Whitespace error codes
-; D3 - Quote error codes
-; D4 - Content related error codes
-select=D2,D3,D4
-
-; Extra ignores:
-; D200 - One-line docstring should fit on one line with quotes
-; D203 - 1 blank line required before class docstring
-; D204 - 1 blank line required after class docstring
-; D205 - 1 blank line required between summary line and description
-; D212 - Multi-line docstring summary should start at the first line
-; D302 - Use u""" for Unicode docstrings
-; D400 - First line should end with a period
-; D401 - First line should be in imperative mood
-; D412 - No blank lines allowed between a section header and its content
-add-ignore=D200,D203,D204,D205,D212,D302,D400,D401,D412
-
-; Explanation:
-; D400 - Enabling this error code seems to make it a requirement that the first
-; sentence in a docstring is not split across two lines.  It also makes it a
-; requirement that no docstring can have a multi-sentence description without a
-; summary line.  Neither one of those requirements seem appropriate.

.pylintrc

@@ -0,0 +1,533 @@
+[MASTER]
+
+# A comma-separated list of package or module names from where C extensions may
+# be loaded. Extensions are loading into the active Python interpreter and may
+# run arbitrary code
+extension-pkg-whitelist=
+
+# Add files or directories to the blacklist. They should be base names, not
+# paths.
+ignore=CVS
+
+# Add files or directories matching the regex patterns to the blacklist. The
+# regex matches against base names, not paths.
+ignore-patterns=
+
+# Python code to execute, usually for sys.path manipulation such as
+# pygtk.require().
+#init-hook=
+
+# Use multiple processes to speed up Pylint.
+jobs=1
+
+# List of plugins (as comma separated values of python modules names) to load,
+# usually to register additional checkers.
+load-plugins=
+
+# Pickle collected data for later comparisons.
+persistent=yes
+
+# Specify a configuration file.
+rcfile=.pylintrc
+
+# When enabled, pylint would attempt to guess common misconfiguration and emit
+# user-friendly hints instead of false-positive error messages
+suggestion-mode=yes
+
+# Allow loading of arbitrary C extensions. Extensions are imported into the
+# active Python interpreter and may run arbitrary code.
+unsafe-load-any-extension=no
+
+
+[MESSAGES CONTROL]
+
+# Only show warnings with the listed confidence levels. Leave empty to show
+# all. Valid levels: HIGH, INFERENCE, INFERENCE_FAILURE, UNDEFINED
+confidence=
+
+# Disable the message, report, category or checker with the given id(s). You
+# can either give multiple identifiers separated by comma (,) or put this
+# option multiple times (only on the command line, not in the configuration
+# file where it should appear only once).You can also use "--disable=all" to
+# disable everything first and then reenable specific checks. For example, if
+# you want to run only the similarities checker, you can use "--disable=all
+# --enable=similarities". If you want to run only the classes checker, but have
+# no Warning level messages displayed, use"--disable=all --enable=classes
+# --disable=W"
+disable=print-statement,
+        parameter-unpacking,
+        unpacking-in-except,
+        old-raise-syntax,
+        backtick,
+        long-suffix,
+        old-ne-operator,
+        old-octal-literal,
+        import-star-module-level,
+        non-ascii-bytes-literal,
+        raw-checker-failed,
+        bad-inline-option,
+        locally-disabled,
+        locally-enabled,
+        file-ignored,
+        suppressed-message,
+        useless-suppression,
+        deprecated-pragma,
+        apply-builtin,
+        basestring-builtin,
+        buffer-builtin,
+        cmp-builtin,
+        coerce-builtin,
+        execfile-builtin,
+        file-builtin,
+        long-builtin,
+        raw_input-builtin,
+        reduce-builtin,
+        standarderror-builtin,
+        unicode-builtin,
+        xrange-builtin,
+        coerce-method,
+        delslice-method,
+        getslice-method,
+        setslice-method,
+        no-absolute-import,
+        old-division,
+        dict-iter-method,
+        dict-view-method,
+        next-method-called,
+        metaclass-assignment,
+        indexing-exception,
+        raising-string,
+        reload-builtin,
+        oct-method,
+        hex-method,
+        nonzero-method,
+        cmp-method,
+        input-builtin,
+        round-builtin,
+        intern-builtin,
+        unichr-builtin,
+        map-builtin-not-iterating,
+        zip-builtin-not-iterating,
+        range-builtin-not-iterating,
+        filter-builtin-not-iterating,
+        using-cmp-argument,
+        eq-without-hash,
+        div-method,
+        idiv-method,
+        rdiv-method,
+        exception-message-attribute,
+        invalid-str-codec,
+        sys-max-int,
+        bad-python3-import,
+        deprecated-string-function,
+        deprecated-str-translate-call,
+        deprecated-itertools-function,
+        deprecated-types-field,
+        next-method-defined,
+        dict-items-not-iterating,
+        dict-keys-not-iterating,
+        dict-values-not-iterating,
+        missing-docstring,
+
+# Enable the message, report, category or checker with the given id(s). You can
+# either give multiple identifier separated by comma (,) or put this option
+# multiple time (only on the command line, not in the configuration file where
+# it should appear only once). See also the "--disable" option for examples.
+enable=c-extension-no-member
+
+
+[REPORTS]
+
+# Python expression which should return a note less than 10 (10 is the highest
+# note). You have access to the variables errors warning, statement which
+# respectively contain the number of errors / warnings messages and the total
+# number of statements analyzed. This is used by the global evaluation report
+# (RP0004).
+evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10)
+
+# Template used to display messages. This is a python new-style format string
+# used to format the message information. See doc for all details
+#msg-template=
+
+# Set the output format. Available formats are text, parseable, colorized, json
+# and msvs (visual studio).You can also give a reporter class, eg
+# mypackage.mymodule.MyReporterClass.
+output-format=text
+
+# Tells whether to display a full report or only the messages
+reports=no
+
+# Activate the evaluation score.
+score=no
+
+
+[REFACTORING]
+
+# Maximum number of nested blocks for function / method body
+max-nested-blocks=5
+
+
+[LOGGING]
+
+# Logging modules to check that the string format arguments are in logging
+# function parameter format
+logging-modules=logging
+
+
+[SPELLING]
+
+# Limits count of emitted suggestions for spelling mistakes
+max-spelling-suggestions=4
+
+# Spelling dictionary name. Available dictionaries: none. To make it working
+# install python-enchant package.
+spelling-dict=
+
+# List of comma separated words that should not be checked.
+spelling-ignore-words=
+
+# A path to a file that contains private dictionary; one word per line.
+spelling-private-dict-file=
+
+# Tells whether to store unknown words to indicated private dictionary in
+# --spelling-private-dict-file option instead of raising a message.
+spelling-store-unknown-words=no
+
+
+[MISCELLANEOUS]
+
+# List of note tags to take in consideration, separated by a comma.
+notes=FIXME,
+      XXX
+
+
+[TYPECHECK]
+
+# List of decorators that produce context managers, such as
+# contextlib.contextmanager. Add to this list to register other decorators that
+# produce valid context managers.
+contextmanager-decorators=contextlib.contextmanager
+
+# List of members which are set dynamically and missed by pylint inference
+# system, and so shouldn't trigger E1101 when accessed. Python regular
+# expressions are accepted.
+generated-members=
+
+# Tells whether missing members accessed in mixin class should be ignored. A
+# mixin class is detected if its name ends with "mixin" (case insensitive).
+ignore-mixin-members=yes
+
+# This flag controls whether pylint should warn about no-member and similar
+# checks whenever an opaque object is returned when inferring. The inference
+# can return multiple potential results while evaluating a Python object, but
+# some branches might not be evaluated, which results in partial inference. In
+# that case, it might be useful to still emit no-member and other checks for
+# the rest of the inferred objects.
+ignore-on-opaque-inference=yes
+
+# List of class names for which member attributes should not be checked (useful
+# for classes with dynamically set attributes). This supports the use of
+# qualified names.
+ignored-classes=optparse.Values,thread._local,_thread._local
+
+# List of module names for which member attributes should not be checked
+# (useful for modules/projects where namespaces are manipulated during runtime
+# and thus existing member attributes cannot be deduced by static analysis. It
+# supports qualified module names, as well as Unix pattern matching.
+ignored-modules=
+
+# Show a hint with possible names when a member name was not found. The aspect
+# of finding the hint is based on edit distance.
+missing-member-hint=yes
+
+# The minimum edit distance a name should have in order to be considered a
+# similar match for a missing member name.
+missing-member-hint-distance=1
+
+# The total number of similar names that should be taken in consideration when
+# showing a hint for a missing member.
+missing-member-max-choices=1
+
+
+[VARIABLES]
+
+# List of additional names supposed to be defined in builtins. Remember that
+# you should avoid to define new builtins when possible.
+additional-builtins=
+
+# Tells whether unused global variables should be treated as a violation.
+allow-global-unused-variables=yes
+
+# List of strings which can identify a callback function by name. A callback
+# name must start or end with one of those strings.
+callbacks=cb_,
+          _cb
+
+# A regular expression matching the name of dummy variables (i.e. expectedly
+# not used).
+dummy-variables-rgx=_+$|(_[a-zA-Z0-9_]*[a-zA-Z0-9]+?$)|dummy|^ignored_|^unused_
+
+# Argument names that match this expression will be ignored. Default to name
+# with leading underscore
+ignored-argument-names=_.*|^ignored_|^unused_
+
+# Tells whether we should check for unused import in __init__ files.
+init-import=no
+
+# List of qualified module names which can have objects that can redefine
+# builtins.
+redefining-builtins-modules=six.moves,past.builtins,future.builtins
+
+
+[FORMAT]
+
+# Expected format of line ending, e.g. empty (any line ending), LF or CRLF.
+expected-line-ending-format=
+
+# Regexp for a line that is allowed to be longer than the limit.
+ignore-long-lines=^\s*(# )?<?https?://\S+>?$
+
+# Number of spaces of indent required inside a hanging  or continued line.
+indent-after-paren=4
+
+# String used as indentation unit. This is usually "    " (4 spaces) or "\t" (1
+# tab).
+indent-string="    "
+
+# Maximum number of characters on a single line.
+max-line-length=100
+
+# Maximum number of lines in a module
+max-module-lines=1000
+
+# List of optional constructs for which whitespace checking is disabled. `dict-
+# separator` is used to allow tabulation in dicts, etc.: {1  : 1,\n222: 2}.
+# `trailing-comma` allows a space between comma and closing bracket: (a, ).
+# `empty-line` allows space-only lines.
+no-space-check=trailing-comma,
+               dict-separator
+
+# Allow the body of a class to be on the same line as the declaration if body
+# contains single statement.
+single-line-class-stmt=no
+
+# Allow the body of an if to be on the same line as the test if there is no
+# else.
+single-line-if-stmt=no
+
+
+[SIMILARITIES]
+
+# Ignore comments when computing similarities.
+ignore-comments=yes
+
+# Ignore docstrings when computing similarities.
+ignore-docstrings=yes
+
+# Ignore imports when computing similarities.
+ignore-imports=yes
+
+# Minimum lines number of a similarity.
+min-similarity-lines=8
+
+
+[BASIC]
+
+# Naming style matching correct argument names
+argument-naming-style=snake_case
+
+# Regular expression matching correct argument names. Overrides argument-
+# naming-style
+#argument-rgx=
+
+# Naming style matching correct attribute names
+attr-naming-style=snake_case
+
+# Regular expression matching correct attribute names. Overrides attr-naming-
+# style
+#attr-rgx=
+
+# Bad variable names which should always be refused, separated by a comma
+bad-names=foo,
+          bar,
+          baz,
+          toto,
+          tutu,
+          tata
+
+# Naming style matching correct class attribute names
+class-attribute-naming-style=any
+
+# Regular expression matching correct class attribute names. Overrides class-
+# attribute-naming-style
+#class-attribute-rgx=
+
+# Naming style matching correct class names
+class-naming-style=PascalCase
+
+# Regular expression matching correct class names. Overrides class-naming-style
+#class-rgx=
+
+# Naming style matching correct constant names
+const-naming-style=UPPER_CASE
+
+# Regular expression matching correct constant names. Overrides const-naming-
+# style
+#const-rgx=
+
+# Minimum line length for functions/classes that require docstrings, shorter
+# ones are exempt.
+docstring-min-length=-1
+
+# Naming style matching correct function names
+function-naming-style=snake_case
+
+# Regular expression matching correct function names. Overrides function-
+# naming-style
+#function-rgx=
+
+# Good variable names which should always be accepted, separated by a comma
+good-names=i,
+           j,
+           k,
+           ex,
+           Run,
+           _
+
+# Include a hint for the correct naming format with invalid-name
+include-naming-hint=no
+
+# Naming style matching correct inline iteration names
+inlinevar-naming-style=any
+
+# Regular expression matching correct inline iteration names. Overrides
+# inlinevar-naming-style
+#inlinevar-rgx=
+
+# Naming style matching correct method names
+method-naming-style=snake_case
+
+# Regular expression matching correct method names. Overrides method-naming-
+# style
+#method-rgx=
+
+# Naming style matching correct module names
+module-naming-style=snake_case
+
+# Regular expression matching correct module names. Overrides module-naming-
+# style
+#module-rgx=
+
+# Colon-delimited sets of names that determine each other's naming style when
+# the name regexes allow several styles.
+name-group=
+
+# Regular expression which should only match function or class names that do
+# not require a docstring.
+no-docstring-rgx=^_
+
+# List of decorators that produce properties, such as abc.abstractproperty. Add
+# to this list to register other decorators that produce valid properties.
+property-classes=abc.abstractproperty
+
+# Naming style matching correct variable names
+variable-naming-style=snake_case
+
+# Regular expression matching correct variable names. Overrides variable-
+# naming-style
+#variable-rgx=
+
+
+[IMPORTS]
+
+# Allow wildcard imports from modules that define __all__.
+allow-wildcard-with-all=no
+
+# Analyse import fallback blocks. This can be used to support both Python 2 and
+# 3 compatible code, which means that the block might have code that exists
+# only in one or another interpreter, leading to false positives when analysed.
+analyse-fallback-blocks=no
+
+# Deprecated modules which should not be used, separated by a comma
+deprecated-modules=optparse,tkinter.tix
+
+# Create a graph of external dependencies in the given file (report RP0402 must
+# not be disabled)
+ext-import-graph=
+
+# Create a graph of every (i.e. internal and external) dependencies in the
+# given file (report RP0402 must not be disabled)
+import-graph=
+
+# Create a graph of internal dependencies in the given file (report RP0402 must
+# not be disabled)
+int-import-graph=
+
+# Force import order to recognize a module as part of the standard
+# compatibility libraries.
+known-standard-library=
+
+# Force import order to recognize a module as part of a third party library.
+known-third-party=enchant
+
+
+[CLASSES]
+
+# List of method names used to declare (i.e. assign) instance attributes.
+defining-attr-methods=__init__,
+                      __new__,
+                      setUp
+
+# List of member names, which should be excluded from the protected access
+# warning.
+exclude-protected=_asdict,
+                  _fields,
+                  _replace,
+                  _source,
+                  _make
+
+# List of valid names for the first argument in a class method.
+valid-classmethod-first-arg=cls
+
+# List of valid names for the first argument in a metaclass class method.
+valid-metaclass-classmethod-first-arg=mcs
+
+
+[DESIGN]
+
+# Maximum number of arguments for function / method
+max-args=5
+
+# Maximum number of attributes for a class (see R0902).
+max-attributes=7
+
+# Maximum number of boolean expressions in a if statement
+max-bool-expr=5
+
+# Maximum number of branch for function / method body
+max-branches=12
+
+# Maximum number of locals for function / method body
+max-locals=15
+
+# Maximum number of parents for a class (see R0901).
+max-parents=7
+
+# Maximum number of public methods for a class (see R0904).
+max-public-methods=20
+
+# Maximum number of return / yield for function / method body
+max-returns=6
+
+# Maximum number of statements in function / method body
+max-statements=50
+
+# Minimum number of public methods for a class (see R0903).
+min-public-methods=2
+
+
+[EXCEPTIONS]
+
+# Exceptions that will emit a warning when being caught. Defaults to
+# "Exception"
+overgeneral-exceptions=Exception

.travis.yml

@@ -2,36 +2,22 @@ language: python
 
 matrix:
   include:
-    - python: 3.6-dev
-      dist: xenial
-      env: TOXENV=py36-test
     - python: 3.7
       dist: xenial
-      env: TOXENV=py37-test
-    - python: 3.7
-      dist: xenial
-      env: TOXENV=lint
-    - python: 3.7
-      dist: xenial
-      env: TOXENV=docs
-    - python: 3.7
-      dist: xenial
-      env: TOXENV=py37-interop GOBINPKG=go1.13.8.linux-amd64.tar.gz
       sudo: true
-      before_install:
-        - wget https://dl.google.com/go/$GOBINPKG
-        - sudo tar -C /usr/local -xzf $GOBINPKG
-        - export GOPATH=$HOME/go
-        - export GOROOT=/usr/local/go
-        - export PATH=$GOROOT/bin:$GOPATH/bin:$PATH
-        - ./tests_interop/go_pkgs/install_interop_go_pkgs.sh
 
 install:
   - pip install --upgrade pip
-  - pip install tox
+  - pip install -r requirements_dev.txt
+  - python setup.py develop
 
 script:
-  - tox
+  - pytest --cov=./libp2p tests/
+  - pylint --rcfile=.pylintrc libp2p/!(kademlia) tests
+
+after_success:
+  - codecov
 
 notifications:
     slack: py-libp2p:RK0WVoQZhQXLgIKfHNPL1TR2
+

LICENSE

@@ -1,21 +0,0 @@
-The MIT License (MIT)
-
-Copyright (c) 2019 The Ethereum Foundation
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.

Makefile

@@ -1,113 +0,0 @@
-CURRENT_SIGN_SETTING := $(shell git config commit.gpgSign)
-
-.PHONY: clean-pyc clean-build docs
-
-help:
-	@echo "clean-build - remove build artifacts"
-	@echo "clean-pyc - remove Python file artifacts"
-	@echo "lint - check style with flake8, etc"
-	@echo "lint-roll - auto-correct styles with isort, black, docformatter, etc"
-	@echo "test - run tests quickly with the default Python"
-	@echo "testall - run tests on every Python version with tox"
-	@echo "release - package and upload a release"
-	@echo "dist - package"
-
-FILES_TO_LINT = libp2p tests tests_interop examples setup.py
-PB = libp2p/crypto/pb/crypto.proto \
-	libp2p/pubsub/pb/rpc.proto \
-	libp2p/security/insecure/pb/plaintext.proto \
-	libp2p/security/secio/pb/spipe.proto \
-	libp2p/security/noise/pb/noise.proto \
-	libp2p/identity/identify/pb/identify.proto
-PY = $(PB:.proto=_pb2.py)
-PYI = $(PB:.proto=_pb2.pyi)
-
-# Set default to `protobufs`, otherwise `format` is called when typing only `make`
-all: protobufs
-
-protobufs: $(PY)
-
-%_pb2.py: %.proto
-	protoc --python_out=. --mypy_out=. $<
-
-clean-proto:
-	rm -f $(PY) $(PYI)
-
-clean: clean-build clean-pyc
-
-clean-build:
-	rm -fr build/
-	rm -fr dist/
-	rm -fr *.egg-info
-
-clean-pyc:
-	find . -name '*.pyc' -exec rm -f {} +
-	find . -name '*.pyo' -exec rm -f {} +
-	find . -name '*~' -exec rm -f {} +
-	find . -name '__pycache__' -exec rm -rf {} +
-
-lint:
-	mypy -p libp2p -p examples --config-file mypy.ini
-	flake8 $(FILES_TO_LINT)
-	black --check $(FILES_TO_LINT)
-	isort --recursive --check-only --diff $(FILES_TO_LINT)
-	docformatter --pre-summary-newline --check --recursive $(FILES_TO_LINT)
-	tox -e lint  # This is probably redundant, but just in case...
-
-lint-roll:
-	isort --recursive $(FILES_TO_LINT)
-	black $(FILES_TO_LINT)
-	docformatter -ir --pre-summary-newline $(FILES_TO_LINT)
-	$(MAKE) lint
-
-test:
-	pytest tests
-
-test-all:
-	tox
-
-build-docs:
-	sphinx-apidoc -o docs/ . setup.py "*conftest*" "libp2p/tools/interop*"
-	$(MAKE) -C docs clean
-	$(MAKE) -C docs html
-	$(MAKE) -C docs doctest
-	./newsfragments/validate_files.py
-	towncrier --draft --version preview
-
-docs: build-docs
-	open docs/_build/html/index.html
-
-linux-docs: build-docs
-	xdg-open docs/_build/html/index.html
-
-package: clean
-	python setup.py sdist bdist_wheel
-	python scripts/release/test_package.py
-
-notes:
-	# Let UPCOMING_VERSION be the version that is used for the current bump
-	$(eval UPCOMING_VERSION=$(shell bumpversion $(bump) --dry-run --list | grep new_version= | sed 's/new_version=//g'))
-	# Now generate the release notes to have them included in the release commit
-	towncrier --yes --version $(UPCOMING_VERSION)
-	# Before we bump the version, make sure that the towncrier-generated docs will build
-	make build-docs
-	git commit -m "Compile release notes"
-
-release: clean
-	# require that you be on a branch that's linked to upstream/master
-	git status -s -b | head -1 | grep "\.\.upstream/master"
-	# verify that docs build correctly
-	./newsfragments/validate_files.py is-empty
-	make build-docs
-	CURRENT_SIGN_SETTING=$(git config commit.gpgSign)
-	git config commit.gpgSign true
-	bumpversion $(bump)
-	git push upstream && git push upstream --tags
-	python setup.py sdist bdist_wheel
-	twine upload dist/*
-	git config commit.gpgSign "$(CURRENT_SIGN_SETTING)"
-
-
-dist: clean
-	python setup.py sdist bdist_wheel
-	ls -l dist

README.md

@@ -1,86 +1,39 @@
-# py-libp2p
+# py-libp2p [![Build Status](https://travis-ci.com/zixuanzh/py-libp2p.svg?branch=master)](https://travis-ci.com/zixuanzh/py-libp2p) [![codecov](https://codecov.io/gh/zixuanzh/py-libp2p/branch/master/graph/badge.svg)](https://codecov.io/gh/zixuanzh/py-libp2p) [![Gitter chat](https://badges.gitter.im/gitterHQ/gitter.png)](https://gitter.im/py-libp2p/Lobby)[![Freenode](https://img.shields.io/badge/freenode-%23libp2p-yellow.svg?style=flat-square)](http://webchat.freenode.net/?channels=%23libp2p)
 
-[![Join the chat at https://gitter.im/py-libp2p/Lobby](https://badges.gitter.im/py-libp2p/Lobby.png)](https://gitter.im/py-libp2p/Lobby)
-[![Build Status](https://travis-ci.com/libp2p/py-libp2p.svg?branch=master)](https://travis-ci.com/libp2p/py-libp2p)
-[![PyPI version](https://badge.fury.io/py/libp2p.svg)](https://badge.fury.io/py/libp2p)
-[![Python versions](https://img.shields.io/pypi/pyversions/libp2p.svg)](https://pypi.python.org/pypi/libp2p)
-[![Docs build](https://readthedocs.org/projects/py-libp2p/badge/?version=latest)](http://py-libp2p.readthedocs.io/en/latest/?badge=latest)
-[![Freenode](https://img.shields.io/badge/freenode-%23libp2p-yellow.svg)](https://webchat.freenode.net/?channels=%23libp2p)
-[![Matrix](https://img.shields.io/badge/matrix-%23libp2p%3Apermaweb.io-blue.svg)](https://riot.permaweb.io/#/room/#libp2p:permaweb.io)
-[![Discord](https://img.shields.io/discord/475789330380488707?color=blueviolet&label=discord)](https://discord.gg/66KBrm2)
 
 
 <h1 align="center">
-<img width="250" align="center" src="https://github.com/libp2p/py-libp2p/blob/master/assets/py-libp2p-logo.png?raw=true" alt="py-libp2p hex logo" />
+  <img width="250" align="center" src="https://github.com/zixuanzh/py-libp2p/blob/master/assets/py-libp2p-logo.png?raw=true" alt="py-libp2p hex logo" />
 </h1>
 
 ## WARNING
 py-libp2p is an experimental and work-in-progress repo under heavy development. We do not yet recommend using py-libp2p in production environments.
 
-The Python implementation of the libp2p networking stack
-
-Read more in the [documentation on ReadTheDocs](https://py-libp2p.readthedocs.io/). [View the release notes](https://py-libp2p.readthedocs.io/en/latest/release_notes.html).
-
-## Sponsorship
-This project is graciously sponsored by the Ethereum Foundation through [Wave 5 of their Grants Program](https://blog.ethereum.org/2019/02/21/ethereum-foundation-grants-program-wave-5/).
-
 ## Maintainers
 The py-libp2p team consists of:
 
-[@zixuanzh](https://github.com/zixuanzh) [@alexh](https://github.com/alexh) [@stuckinaboot](https://github.com/stuckinaboot) [@robzajac](https://github.com/robzajac) [@carver](https://github.com/carver)
+[@zixuanzh](https://github.com/zixuanzh) [@alexh](https://github.com/alexh) [@stuckinaboot](https://github.com/stuckinaboot) [@robzajac](https://github.com/robzajac)
 
 ## Development
 
 py-libp2p requires Python 3.7 and the best way to guarantee a clean Python 3.7 environment is with [`virtualenv`](https://virtualenv.pypa.io/en/stable/)
 
 ```sh
-git clone git@github.com:libp2p/py-libp2p.git
-cd py-libp2p
 virtualenv -p python3.7 venv
 . venv/bin/activate
-pip install -e .[dev]
+pip3 install -r requirements_dev.txt
+python setup.py develop
 ```
 
-### Testing Setup
-
-During development, you might like to have tests run on every file save.
-
-Show flake8 errors on file change:
+## Testing
 
+After installing our requirements (see above), you can:
 ```sh
-# Test flake8
-when-changed -v -s -r -1 libp2p/ tests/ -c "clear; flake8 libp2p tests && echo 'flake8 success' || echo 'error'"
+cd tests
+pytest
 ```
-
-Run multi-process tests in one command, but without color:
-
-```sh
-# in the project root:
-pytest --numprocesses=4 --looponfail --maxfail=1
-# the same thing, succinctly:
-pytest -n 4 -f --maxfail=1
-```
-
-Run in one thread, with color and desktop notifications:
-
-```sh
-cd venv
-ptw --onfail "notify-send -t 5000 'Test failure ⚠⚠⚠⚠⚠' 'python 3 test on py-libp2p failed'" ../tests ../libp2p
-```
-
 Note that tests/libp2p/test_libp2p.py contains an end-to-end messaging test between two libp2p hosts, which is the bulk of our proof of concept.
 
-
-### Release setup
-
-Releases follow the same basic pattern as releases of some tangentially-related projects,
-like Trinity. See [Trinity's release instructions](
-https://trinity-client.readthedocs.io/en/latest/contributing.html#releasing).
-
-## Requirements
-
-The protobuf description in this repository was generated by `protoc` at version `3.7.1`.
-
 ## Feature Breakdown
 py-libp2p aims for conformity with [the standard libp2p modules](https://github.com/libp2p/libp2p/blob/master/REQUIREMENTS.md#libp2p-modules-implementations). Below is a breakdown of the modules we have developed, are developing, and may develop in the future.
 
@@ -93,16 +46,16 @@ py-libp2p aims for conformity with [the standard libp2p modules](https://github.
 
 | Identify Protocol                            | Status        |
 | -------------------------------------------- | :-----------: |
-| **`Identify`**                               | :lemon:      |
+| **`Identify`**                               | :tomato:      |
 
 
 | Transport Protocols                          | Status        |
 | -------------------------------------------- | :-----------: |
-| **`TCP`**                                    | :green_apple: |
+| **`TCP`**                                    | :lemon: tests |
 | **`UDP`**                                    | :tomato:      |
-| **`WebSockets`**                             | :chestnut:    |
-| **`UTP`**                                    | :chestnut:    |
-| **`WebRTC`**                                 | :chestnut:    |
+| **`WebSockets`**                             | :tomato:      |
+| **`UTP`**                                    | :tomato:      |
+| **`WebRTC`**                                 | :tomato:      |
 | **`SCTP`**                                   | :chestnut:    |
 | **`Tor`**                                    | :chestnut:    |
 | **`i2p`**                                    | :chestnut:    |
@@ -115,7 +68,7 @@ py-libp2p aims for conformity with [the standard libp2p modules](https://github.
 
 | Stream Muxers                                | Status        |
 | -------------------------------------------- | :-----------: |
-| **`multiplex`**                              | :green_apple: |
+| **`multiplex`**                              | :lemon: tests |
 | **`yamux`**                                  | :tomato:      |
 | **`benchmarks`**                             | :chestnut:    |
 | **`muxado`**                                 | :chestnut:    |
@@ -132,39 +85,39 @@ py-libp2p aims for conformity with [the standard libp2p modules](https://github.
 
 | Switch (Swarm)                               | Status        |
 | -------------------------------------------- | :-----------: |
-| **`Switch`**                                 | :green_apple: |
-| **`Dialer stack`**                           | :green_apple: |
+| **`Switch`**                                 | :lemon: tests |
+| **`Dialer stack`**                           | :chestnut:    |
 
 
 | Peer Discovery                               | Status        |
 | -------------------------------------------- | :-----------: |
-| **`bootstrap list`**                         | :tomato:      |
-| **`Kademlia DHT`**                           | :chestnut:    |
-| **`mDNS`**                                   | :chestnut:    |
+| **`bootstrap list`**                         | :green_apple: |
+| **`Kademlia DHT`**                           | :tomato:      |
+| **`mDNS`**                                   | :tomato:      |
 | **`PEX`**                                    | :chestnut:    |
 | **`DNS`**                                    | :chestnut:    |
 
 
 | Content Routing                              | Status        |
 | -------------------------------------------- | :-----------: |
-| **`Kademlia DHT`**                           | :chestnut:    |
-| **`floodsub`**                               | :green_apple: |
-| **`gossipsub`**                              | :green_apple: |
+| **`Kademlia DHT`**                           | :tomato:      |
+| **`floodsub`**                               | :tomato:      |
+| **`gossipsub`**                              | :tomato:      |
 | **`PHT`**                                    | :chestnut:    |
 
 
 | Peer Routing                                 | Status        |
 | -------------------------------------------- | :-----------: |
-| **`Kademlia DHT`**                           | :chestnut:    |
-| **`floodsub`**                               | :green_apple: |
-| **`gossipsub`**                              | :green_apple: |
+| **`Kademlia DHT`**                           | :tomato:      |
+| **`floodsub`**                               | :tomato:      |
+| **`gossipsub`**                              | :tomato:      |
 | **`PHT`**                                    | :chestnut:    |
 
 
 | NAT Traversal                                | Status        |
 | -------------------------------------------- | :-----------: |
-| **`nat-pmp`**                                | :chestnut:    |
-| **`upnp`**                                   | :chestnut:    |
+| **`nat-pmp`**                                | :tomato:      |
+| **`upnp`**                                   | :tomato:      |
 | **`ext addr discovery`**                     | :chestnut:    |
 | **`STUN-like`**                              | :chestnut:    |
 | **`line-switch relay`**                      | :chestnut:    |

docs/Makefile

@@ -1,177 +0,0 @@
-# Makefile for Sphinx documentation
-#
-
-# You can set these variables from the command line.
-SPHINXOPTS    = -W
-SPHINXBUILD   = sphinx-build
-PAPER         =
-BUILDDIR      = _build
-
-# User-friendly check for sphinx-build
-ifeq ($(shell which $(SPHINXBUILD) >/dev/null 2>&1; echo $$?), 1)
-$(error The '$(SPHINXBUILD)' command was not found. Make sure you have Sphinx installed, then set the SPHINXBUILD environment variable to point to the full path of the '$(SPHINXBUILD)' executable. Alternatively you can add the directory with the executable to your PATH. If you don't have Sphinx installed, grab it from http://sphinx-doc.org/)
-endif
-
-# Internal variables.
-PAPEROPT_a4     = -D latex_paper_size=a4
-PAPEROPT_letter = -D latex_paper_size=letter
-ALLSPHINXOPTS   = -d $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
-# the i18n builder cannot share the environment and doctrees with the others
-I18NSPHINXOPTS  = $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
-
-.PHONY: help clean html dirhtml singlehtml pickle json htmlhelp qthelp devhelp epub latex latexpdf text man changes linkcheck doctest gettext
-
-help:
-	@echo "Please use \`make <target>' where <target> is one of"
-	@echo "  html       to make standalone HTML files"
-	@echo "  dirhtml    to make HTML files named index.html in directories"
-	@echo "  singlehtml to make a single large HTML file"
-	@echo "  pickle     to make pickle files"
-	@echo "  json       to make JSON files"
-	@echo "  htmlhelp   to make HTML files and a HTML help project"
-	@echo "  qthelp     to make HTML files and a qthelp project"
-	@echo "  devhelp    to make HTML files and a Devhelp project"
-	@echo "  epub       to make an epub"
-	@echo "  latex      to make LaTeX files, you can set PAPER=a4 or PAPER=letter"
-	@echo "  latexpdf   to make LaTeX files and run them through pdflatex"
-	@echo "  latexpdfja to make LaTeX files and run them through platex/dvipdfmx"
-	@echo "  text       to make text files"
-	@echo "  man        to make manual pages"
-	@echo "  texinfo    to make Texinfo files"
-	@echo "  info       to make Texinfo files and run them through makeinfo"
-	@echo "  gettext    to make PO message catalogs"
-	@echo "  changes    to make an overview of all changed/added/deprecated items"
-	@echo "  xml        to make Docutils-native XML files"
-	@echo "  pseudoxml  to make pseudoxml-XML files for display purposes"
-	@echo "  linkcheck  to check all external links for integrity"
-	@echo "  doctest    to run all doctests embedded in the documentation (if enabled)"
-
-clean:
-	rm -rf $(BUILDDIR)/*
-
-html:
-	$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
-	@echo
-	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
-
-dirhtml:
-	$(SPHINXBUILD) -b dirhtml $(ALLSPHINXOPTS) $(BUILDDIR)/dirhtml
-	@echo
-	@echo "Build finished. The HTML pages are in $(BUILDDIR)/dirhtml."
-
-singlehtml:
-	$(SPHINXBUILD) -b singlehtml $(ALLSPHINXOPTS) $(BUILDDIR)/singlehtml
-	@echo
-	@echo "Build finished. The HTML page is in $(BUILDDIR)/singlehtml."
-
-pickle:
-	$(SPHINXBUILD) -b pickle $(ALLSPHINXOPTS) $(BUILDDIR)/pickle
-	@echo
-	@echo "Build finished; now you can process the pickle files."
-
-json:
-	$(SPHINXBUILD) -b json $(ALLSPHINXOPTS) $(BUILDDIR)/json
-	@echo
-	@echo "Build finished; now you can process the JSON files."
-
-htmlhelp:
-	$(SPHINXBUILD) -b htmlhelp $(ALLSPHINXOPTS) $(BUILDDIR)/htmlhelp
-	@echo
-	@echo "Build finished; now you can run HTML Help Workshop with the" \
-	      ".hhp project file in $(BUILDDIR)/htmlhelp."
-
-qthelp:
-	$(SPHINXBUILD) -b qthelp $(ALLSPHINXOPTS) $(BUILDDIR)/qthelp
-	@echo
-	@echo "Build finished; now you can run "qcollectiongenerator" with the" \
-	      ".qhcp project file in $(BUILDDIR)/qthelp, like this:"
-	@echo "# qcollectiongenerator $(BUILDDIR)/qthelp/web3.qhcp"
-	@echo "To view the help file:"
-	@echo "# assistant -collectionFile $(BUILDDIR)/qthelp/web3.qhc"
-
-devhelp:
-	$(SPHINXBUILD) -b devhelp $(ALLSPHINXOPTS) $(BUILDDIR)/devhelp
-	@echo
-	@echo "Build finished."
-	@echo "To view the help file:"
-	@echo "# mkdir -p $$HOME/.local/share/devhelp/web3"
-	@echo "# ln -s $(BUILDDIR)/devhelp $$HOME/.local/share/devhelp/web3"
-	@echo "# devhelp"
-
-epub:
-	$(SPHINXBUILD) -b epub $(ALLSPHINXOPTS) $(BUILDDIR)/epub
-	@echo
-	@echo "Build finished. The epub file is in $(BUILDDIR)/epub."
-
-latex:
-	$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
-	@echo
-	@echo "Build finished; the LaTeX files are in $(BUILDDIR)/latex."
-	@echo "Run \`make' in that directory to run these through (pdf)latex" \
-	      "(use \`make latexpdf' here to do that automatically)."
-
-latexpdf:
-	$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
-	@echo "Running LaTeX files through pdflatex..."
-	$(MAKE) -C $(BUILDDIR)/latex all-pdf
-	@echo "pdflatex finished; the PDF files are in $(BUILDDIR)/latex."
-
-latexpdfja:
-	$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
-	@echo "Running LaTeX files through platex and dvipdfmx..."
-	$(MAKE) -C $(BUILDDIR)/latex all-pdf-ja
-	@echo "pdflatex finished; the PDF files are in $(BUILDDIR)/latex."
-
-text:
-	$(SPHINXBUILD) -b text $(ALLSPHINXOPTS) $(BUILDDIR)/text
-	@echo
-	@echo "Build finished. The text files are in $(BUILDDIR)/text."
-
-man:
-	$(SPHINXBUILD) -b man $(ALLSPHINXOPTS) $(BUILDDIR)/man
-	@echo
-	@echo "Build finished. The manual pages are in $(BUILDDIR)/man."
-
-texinfo:
-	$(SPHINXBUILD) -b texinfo $(ALLSPHINXOPTS) $(BUILDDIR)/texinfo
-	@echo
-	@echo "Build finished. The Texinfo files are in $(BUILDDIR)/texinfo."
-	@echo "Run \`make' in that directory to run these through makeinfo" \
-	      "(use \`make info' here to do that automatically)."
-
-info:
-	$(SPHINXBUILD) -b texinfo $(ALLSPHINXOPTS) $(BUILDDIR)/texinfo
-	@echo "Running Texinfo files through makeinfo..."
-	make -C $(BUILDDIR)/texinfo info
-	@echo "makeinfo finished; the Info files are in $(BUILDDIR)/texinfo."
-
-gettext:
-	$(SPHINXBUILD) -b gettext $(I18NSPHINXOPTS) $(BUILDDIR)/locale
-	@echo
-	@echo "Build finished. The message catalogs are in $(BUILDDIR)/locale."
-
-changes:
-	$(SPHINXBUILD) -b changes $(ALLSPHINXOPTS) $(BUILDDIR)/changes
-	@echo
-	@echo "The overview file is in $(BUILDDIR)/changes."
-
-linkcheck:
-	$(SPHINXBUILD) -b linkcheck $(ALLSPHINXOPTS) $(BUILDDIR)/linkcheck
-	@echo
-	@echo "Link check complete; look for any errors in the above output " \
-	      "or in $(BUILDDIR)/linkcheck/output.txt."
-
-doctest:
-	$(SPHINXBUILD) -b doctest $(ALLSPHINXOPTS) $(BUILDDIR)/doctest
-	@echo "Testing of doctests in the sources finished, look at the " \
-	      "results in $(BUILDDIR)/doctest/output.txt."
-
-xml:
-	$(SPHINXBUILD) -b xml $(ALLSPHINXOPTS) $(BUILDDIR)/xml
-	@echo
-	@echo "Build finished. The XML files are in $(BUILDDIR)/xml."
-
-pseudoxml:
-	$(SPHINXBUILD) -b pseudoxml $(ALLSPHINXOPTS) $(BUILDDIR)/pseudoxml
-	@echo
-	@echo "Build finished. The pseudo-XML files are in $(BUILDDIR)/pseudoxml."

docs/conf.py

@@ -1,304 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-# py-libp2p documentation build configuration file, created by
-# sphinx-quickstart on Thu Oct 16 20:43:24 2014.
-#
-# This file is execfile()d with the current directory set to its
-# containing dir.
-#
-# Note that not all possible configuration values are present in this
-# autogenerated file.
-#
-# All configuration values have a default; values that are commented out
-# serve to show the default.
-
-# If extensions (or modules to document with autodoc) are in another directory,
-# add these directories to sys.path here. If the directory is relative to the
-# documentation root, use os.path.abspath to make it absolute, like shown here.
-#sys.path.insert(0, os.path.abspath('.'))
-
-import os
-
-DIR = os.path.dirname('__file__')
-with open (os.path.join(DIR, '../setup.py'), 'r') as f:
-    for line in f:
-        if 'version=' in line:
-            setup_version = line.split('"')[1]
-            break
-
-# -- General configuration ------------------------------------------------
-
-# If your documentation needs a minimal Sphinx version, state it here.
-#needs_sphinx = '1.0'
-
-# Add any Sphinx extension module names here, as strings. They can be
-# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
-# ones.
-extensions = [
-    'sphinx.ext.autodoc',
-    'sphinx.ext.doctest',
-    'sphinx.ext.intersphinx',
-]
-
-# Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
-
-# The suffix of source filenames.
-source_suffix = '.rst'
-
-# The encoding of source files.
-#source_encoding = 'utf-8-sig'
-
-# The master toctree document.
-master_doc = 'index'
-
-# General information about the project.
-project = 'py-libp2p'
-copyright = '2019, The Ethereum Foundation'
-
-__version__ = setup_version
-# The version info for the project you're documenting, acts as replacement for
-# |version| and |release|, also used in various other places throughout the
-# built documents.
-#
-# The short X.Y version.
-version = '.'.join(__version__.split('.')[:2])
-# The full version, including alpha/beta/rc tags.
-release = __version__
-
-# The language for content autogenerated by Sphinx. Refer to documentation
-# for a list of supported languages.
-#language = None
-
-# There are two options for replacing |today|: either, you set today to some
-# non-false value, then it is used:
-#today = ''
-# Else, today_fmt is used as the format for a strftime call.
-#today_fmt = '%B %d, %Y'
-
-# List of patterns, relative to source directory, that match files and
-# directories to ignore when looking for source files.
-exclude_patterns = [
-    '_build',
-    'modules.rst',
-]
-
-# The reST default role (used for this markup: `text`) to use for all
-# documents.
-#default_role = None
-
-# If true, '()' will be appended to :func: etc. cross-reference text.
-#add_function_parentheses = True
-
-# If true, the current module name will be prepended to all description
-# unit titles (such as .. function::).
-#add_module_names = True
-
-# If true, sectionauthor and moduleauthor directives will be shown in the
-# output. They are ignored by default.
-#show_authors = False
-
-# The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
-
-# A list of ignored prefixes for module index sorting.
-#modindex_common_prefix = []
-
-# If true, keep warnings as "system message" paragraphs in the built documents.
-#keep_warnings = False
-
-
-# -- Options for HTML output ----------------------------------------------
-
-# The theme to use for HTML and HTML Help pages.  See the documentation for
-# a list of builtin themes.
-html_theme = 'sphinx_rtd_theme'
-
-# Theme options are theme-specific and customize the look and feel of a theme
-# further.  For a list of options available for each theme, see the
-# documentation.
-#html_theme_options = {}
-
-# Add any paths that contain custom themes here, relative to this directory.
-
-# The name for this set of Sphinx documents.  If None, it defaults to
-# "<project> v<release> documentation".
-#html_title = None
-
-# A shorter title for the navigation bar.  Default is the same as html_title.
-#html_short_title = None
-
-# The name of an image file (relative to this directory) to place at the top
-# of the sidebar.
-#html_logo = None
-
-# The name of an image file (within the static path) to use as favicon of the
-# docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
-# pixels large.
-#html_favicon = None
-
-# Add any paths that contain custom static files (such as style sheets) here,
-# relative to this directory. They are copied after the builtin static files,
-# so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
-
-# Add any extra paths that contain custom files (such as robots.txt or
-# .htaccess) here, relative to this directory. These files are copied
-# directly to the root of the documentation.
-#html_extra_path = []
-
-# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
-# using the given strftime format.
-#html_last_updated_fmt = '%b %d, %Y'
-
-# If true, SmartyPants will be used to convert quotes and dashes to
-# typographically correct entities.
-#html_use_smartypants = True
-
-# Custom sidebar templates, maps document names to template names.
-#html_sidebars = {}
-
-# Additional templates that should be rendered to pages, maps page names to
-# template names.
-#html_additional_pages = {}
-
-# If false, no module index is generated.
-#html_domain_indices = True
-
-# If false, no index is generated.
-#html_use_index = True
-
-# If true, the index is split into individual pages for each letter.
-#html_split_index = False
-
-# If true, links to the reST sources are added to the pages.
-#html_show_sourcelink = True
-
-# If true, "Created using Sphinx" is shown in the HTML footer. Default is True.
-#html_show_sphinx = True
-
-# If true, "(C) Copyright ..." is shown in the HTML footer. Default is True.
-#html_show_copyright = True
-
-# If true, an OpenSearch description file will be output, and all pages will
-# contain a <link> tag referring to it.  The value of this option must be the
-# base URL from which the finished HTML is served.
-#html_use_opensearch = ''
-
-# This is the file name suffix for HTML files (e.g. ".xhtml").
-#html_file_suffix = None
-
-# Output file base name for HTML help builder.
-htmlhelp_basename = 'libp2pdoc'
-
-
-# -- Options for LaTeX output ---------------------------------------------
-
-latex_elements = {
-# The paper size ('letterpaper' or 'a4paper').
-#'papersize': 'letterpaper',
-
-# The font size ('10pt', '11pt' or '12pt').
-#'pointsize': '10pt',
-
-# Additional stuff for the LaTeX preamble.
-#'preamble': '',
-}
-
-# Grouping the document tree into LaTeX files. List of tuples
-# (source start file, target name, title,
-#  author, documentclass [howto, manual, or own class]).
-latex_documents = [
-  ('index', 'libp2p.tex', 'py-libp2p Documentation',
-   'The Ethereum Foundation', 'manual'),
-]
-
-# The name of an image file (relative to this directory) to place at the top of
-# the title page.
-#latex_logo = None
-
-# For "manual" documents, if this is true, then toplevel headings are parts,
-# not chapters.
-#latex_use_parts = False
-
-# If true, show page references after internal links.
-#latex_show_pagerefs = False
-
-# If true, show URL addresses after external links.
-#latex_show_urls = False
-
-# Documents to append as an appendix to all manuals.
-#latex_appendices = []
-
-# If false, no module index is generated.
-#latex_domain_indices = True
-
-
-# -- Options for manual page output ---------------------------------------
-
-# One entry per manual page. List of tuples
-# (source start file, name, description, authors, manual section).
-man_pages = [
-    ('index', 'libp2p', 'py-libp2p Documentation',
-     ['The Ethereum Foundation'], 1)
-]
-
-# If true, show URL addresses after external links.
-#man_show_urls = False
-
-
-# -- Options for Texinfo output -------------------------------------------
-
-# Grouping the document tree into Texinfo files. List of tuples
-# (source start file, target name, title, author,
-#  dir menu entry, description, category)
-texinfo_documents = [
-  ('index', 'py-libp2p', 'py-libp2p Documentation',
-   'The Ethereum Foundation', 'py-libp2p', 'The Python implementation of the libp2p networking stack',
-   'Miscellaneous'),
-]
-
-# Documents to append as an appendix to all manuals.
-#texinfo_appendices = []
-
-# If false, no module index is generated.
-#texinfo_domain_indices = True
-
-# How to display URL addresses: 'footnote', 'no', or 'inline'.
-#texinfo_show_urls = 'footnote'
-
-# If true, do not generate a @detailmenu in the "Top" node's menu.
-#texinfo_no_detailmenu = False
-
-# -- Intersphinx configuration ------------------------------------------------
-
-intersphinx_mapping = {
-    'python': ('https://docs.python.org/3.6', None),
-}
-
-# -- Doctest configuration ----------------------------------------
-
-import doctest
-
-doctest_default_flags = (0
-    | doctest.DONT_ACCEPT_TRUE_FOR_1
-    | doctest.ELLIPSIS
-    | doctest.IGNORE_EXCEPTION_DETAIL
-    | doctest.NORMALIZE_WHITESPACE
-)
-
-# -- Mocked dependencies ----------------------------------------
-
-# Mock out dependencies that are unbuildable on readthedocs, as recommended here:
-# https://docs.readthedocs.io/en/rel/faq.html#i-get-import-errors-on-libraries-that-depend-on-c-modules
-
-import sys
-from unittest.mock import MagicMock
-
-# Add new modules to mock here (it should be the same list as those excluded in setup.py)
-MOCK_MODULES = [
-    "fastecdsa",
-    "fastecdsa.encoding",
-    "fastecdsa.encoding.sec1",
-]
-sys.modules.update((mod_name, MagicMock()) for mod_name in MOCK_MODULES)

docs/examples.chat.rst

@@ -1,22 +0,0 @@
-examples.chat package
-=====================
-
-Submodules
-----------
-
-examples.chat.chat module
--------------------------
-
-.. automodule:: examples.chat.chat
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: examples.chat
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/examples.rst

@@ -1,17 +0,0 @@
-examples package
-================
-
-Subpackages
------------
-
-.. toctree::
-
-    examples.chat
-
-Module contents
----------------
-
-.. automodule:: examples
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/index.rst

@@ -1,21 +0,0 @@
-py-libp2p
-==============================
-
-The Python implementation of the libp2p networking stack
-
-Contents
---------
-
-.. toctree::
-    :maxdepth: 3
-
-    libp2p
-    release_notes
-    examples
-
-
-Indices and tables
-------------------
-
-* :ref:`genindex`
-* :ref:`modindex`

docs/libp2p.crypto.pb.rst

@@ -1,22 +0,0 @@
-libp2p.crypto.pb package
-========================
-
-Submodules
-----------
-
-libp2p.crypto.pb.crypto\_pb2 module
------------------------------------
-
-.. automodule:: libp2p.crypto.pb.crypto_pb2
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.crypto.pb
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.crypto.rst

@@ -1,93 +0,0 @@
-libp2p.crypto package
-=====================
-
-Subpackages
------------
-
-.. toctree::
-
-    libp2p.crypto.pb
-
-Submodules
-----------
-
-libp2p.crypto.authenticated\_encryption module
-----------------------------------------------
-
-.. automodule:: libp2p.crypto.authenticated_encryption
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.crypto.ecc module
-------------------------
-
-.. automodule:: libp2p.crypto.ecc
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.crypto.ed25519 module
-----------------------------
-
-.. automodule:: libp2p.crypto.ed25519
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.crypto.exceptions module
--------------------------------
-
-.. automodule:: libp2p.crypto.exceptions
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.crypto.key\_exchange module
-----------------------------------
-
-.. automodule:: libp2p.crypto.key_exchange
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.crypto.keys module
--------------------------
-
-.. automodule:: libp2p.crypto.keys
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.crypto.rsa module
-------------------------
-
-.. automodule:: libp2p.crypto.rsa
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.crypto.secp256k1 module
-------------------------------
-
-.. automodule:: libp2p.crypto.secp256k1
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.crypto.serialization module
-----------------------------------
-
-.. automodule:: libp2p.crypto.serialization
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.crypto
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.host.rst

@@ -1,62 +0,0 @@
-libp2p.host package
-===================
-
-Submodules
-----------
-
-libp2p.host.basic\_host module
-------------------------------
-
-.. automodule:: libp2p.host.basic_host
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.host.defaults module
----------------------------
-
-.. automodule:: libp2p.host.defaults
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.host.exceptions module
------------------------------
-
-.. automodule:: libp2p.host.exceptions
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.host.host\_interface module
-----------------------------------
-
-.. automodule:: libp2p.host.host_interface
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.host.ping module
------------------------
-
-.. automodule:: libp2p.host.ping
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.host.routed\_host module
--------------------------------
-
-.. automodule:: libp2p.host.routed_host
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.host
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.identity.identify.pb.rst

@@ -1,22 +0,0 @@
-libp2p.identity.identify.pb package
-===================================
-
-Submodules
-----------
-
-libp2p.identity.identify.pb.identify\_pb2 module
-------------------------------------------------
-
-.. automodule:: libp2p.identity.identify.pb.identify_pb2
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.identity.identify.pb
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.identity.identify.rst

@@ -1,29 +0,0 @@
-libp2p.identity.identify package
-================================
-
-Subpackages
------------
-
-.. toctree::
-
-    libp2p.identity.identify.pb
-
-Submodules
-----------
-
-libp2p.identity.identify.protocol module
-----------------------------------------
-
-.. automodule:: libp2p.identity.identify.protocol
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.identity.identify
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.identity.rst

@@ -1,17 +0,0 @@
-libp2p.identity package
-=======================
-
-Subpackages
------------
-
-.. toctree::
-
-    libp2p.identity.identify
-
-Module contents
----------------
-
-.. automodule:: libp2p.identity
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.io.rst

@@ -1,46 +0,0 @@
-libp2p.io package
-=================
-
-Submodules
-----------
-
-libp2p.io.abc module
---------------------
-
-.. automodule:: libp2p.io.abc
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.io.exceptions module
----------------------------
-
-.. automodule:: libp2p.io.exceptions
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.io.msgio module
-----------------------
-
-.. automodule:: libp2p.io.msgio
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.io.utils module
-----------------------
-
-.. automodule:: libp2p.io.utils
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.io
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.network.connection.rst

@@ -1,54 +0,0 @@
-libp2p.network.connection package
-=================================
-
-Submodules
-----------
-
-libp2p.network.connection.exceptions module
--------------------------------------------
-
-.. automodule:: libp2p.network.connection.exceptions
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.network.connection.net\_connection\_interface module
------------------------------------------------------------
-
-.. automodule:: libp2p.network.connection.net_connection_interface
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.network.connection.raw\_connection module
-------------------------------------------------
-
-.. automodule:: libp2p.network.connection.raw_connection
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.network.connection.raw\_connection\_interface module
------------------------------------------------------------
-
-.. automodule:: libp2p.network.connection.raw_connection_interface
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.network.connection.swarm\_connection module
---------------------------------------------------
-
-.. automodule:: libp2p.network.connection.swarm_connection
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.network.connection
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.network.rst

@@ -1,54 +0,0 @@
-libp2p.network package
-======================
-
-Subpackages
------------
-
-.. toctree::
-
-    libp2p.network.connection
-    libp2p.network.stream
-
-Submodules
-----------
-
-libp2p.network.exceptions module
---------------------------------
-
-.. automodule:: libp2p.network.exceptions
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.network.network\_interface module
-----------------------------------------
-
-.. automodule:: libp2p.network.network_interface
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.network.notifee\_interface module
-----------------------------------------
-
-.. automodule:: libp2p.network.notifee_interface
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.network.swarm module
----------------------------
-
-.. automodule:: libp2p.network.swarm
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.network
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.network.stream.rst

@@ -1,38 +0,0 @@
-libp2p.network.stream package
-=============================
-
-Submodules
-----------
-
-libp2p.network.stream.exceptions module
----------------------------------------
-
-.. automodule:: libp2p.network.stream.exceptions
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.network.stream.net\_stream module
-----------------------------------------
-
-.. automodule:: libp2p.network.stream.net_stream
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.network.stream.net\_stream\_interface module
----------------------------------------------------
-
-.. automodule:: libp2p.network.stream.net_stream_interface
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.network.stream
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.peer.rst

@@ -1,78 +0,0 @@
-libp2p.peer package
-===================
-
-Submodules
-----------
-
-libp2p.peer.addrbook\_interface module
---------------------------------------
-
-.. automodule:: libp2p.peer.addrbook_interface
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.peer.id module
----------------------
-
-.. automodule:: libp2p.peer.id
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.peer.peerdata module
----------------------------
-
-.. automodule:: libp2p.peer.peerdata
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.peer.peerdata\_interface module
---------------------------------------
-
-.. automodule:: libp2p.peer.peerdata_interface
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.peer.peerinfo module
----------------------------
-
-.. automodule:: libp2p.peer.peerinfo
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.peer.peermetadata\_interface module
-------------------------------------------
-
-.. automodule:: libp2p.peer.peermetadata_interface
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.peer.peerstore module
-----------------------------
-
-.. automodule:: libp2p.peer.peerstore
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.peer.peerstore\_interface module
----------------------------------------
-
-.. automodule:: libp2p.peer.peerstore_interface
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.peer
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.protocol_muxer.rst

@@ -1,70 +0,0 @@
-libp2p.protocol\_muxer package
-==============================
-
-Submodules
-----------
-
-libp2p.protocol\_muxer.exceptions module
-----------------------------------------
-
-.. automodule:: libp2p.protocol_muxer.exceptions
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.protocol\_muxer.multiselect module
------------------------------------------
-
-.. automodule:: libp2p.protocol_muxer.multiselect
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.protocol\_muxer.multiselect\_client module
--------------------------------------------------
-
-.. automodule:: libp2p.protocol_muxer.multiselect_client
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.protocol\_muxer.multiselect\_client\_interface module
-------------------------------------------------------------
-
-.. automodule:: libp2p.protocol_muxer.multiselect_client_interface
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.protocol\_muxer.multiselect\_communicator module
--------------------------------------------------------
-
-.. automodule:: libp2p.protocol_muxer.multiselect_communicator
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.protocol\_muxer.multiselect\_communicator\_interface module
-------------------------------------------------------------------
-
-.. automodule:: libp2p.protocol_muxer.multiselect_communicator_interface
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.protocol\_muxer.multiselect\_muxer\_interface module
------------------------------------------------------------
-
-.. automodule:: libp2p.protocol_muxer.multiselect_muxer_interface
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.protocol_muxer
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.pubsub.pb.rst

@@ -1,22 +0,0 @@
-libp2p.pubsub.pb package
-========================
-
-Submodules
-----------
-
-libp2p.pubsub.pb.rpc\_pb2 module
---------------------------------
-
-.. automodule:: libp2p.pubsub.pb.rpc_pb2
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.pubsub.pb
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.pubsub.rst

@@ -1,93 +0,0 @@
-libp2p.pubsub package
-=====================
-
-Subpackages
------------
-
-.. toctree::
-
-    libp2p.pubsub.pb
-
-Submodules
-----------
-
-libp2p.pubsub.abc module
-------------------------
-
-.. automodule:: libp2p.pubsub.abc
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.pubsub.exceptions module
--------------------------------
-
-.. automodule:: libp2p.pubsub.exceptions
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.pubsub.floodsub module
------------------------------
-
-.. automodule:: libp2p.pubsub.floodsub
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.pubsub.gossipsub module
-------------------------------
-
-.. automodule:: libp2p.pubsub.gossipsub
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.pubsub.mcache module
----------------------------
-
-.. automodule:: libp2p.pubsub.mcache
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.pubsub.pubsub module
----------------------------
-
-.. automodule:: libp2p.pubsub.pubsub
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.pubsub.pubsub\_notifee module
-------------------------------------
-
-.. automodule:: libp2p.pubsub.pubsub_notifee
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.pubsub.subscription module
----------------------------------
-
-.. automodule:: libp2p.pubsub.subscription
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.pubsub.validators module
--------------------------------
-
-.. automodule:: libp2p.pubsub.validators
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.pubsub
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.routing.rst

@@ -1,23 +0,0 @@
-libp2p.routing package
-======================
-
-
-Submodules
-----------
-
-libp2p.routing.interfaces module
---------------------------------
-
-.. automodule:: libp2p.routing.interfaces
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.routing
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.rst

@@ -1,57 +0,0 @@
-libp2p package
-==============
-
-Subpackages
------------
-
-.. toctree::
-
-    libp2p.crypto
-    libp2p.host
-    libp2p.identity
-    libp2p.io
-    libp2p.network
-    libp2p.peer
-    libp2p.protocol_muxer
-    libp2p.pubsub
-    libp2p.routing
-    libp2p.security
-    libp2p.stream_muxer
-    libp2p.tools
-    libp2p.transport
-
-Submodules
-----------
-
-libp2p.exceptions module
-------------------------
-
-.. automodule:: libp2p.exceptions
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.typing module
---------------------
-
-.. automodule:: libp2p.typing
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.utils module
--------------------
-
-.. automodule:: libp2p.utils
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.security.insecure.pb.rst

@@ -1,22 +0,0 @@
-libp2p.security.insecure.pb package
-===================================
-
-Submodules
-----------
-
-libp2p.security.insecure.pb.plaintext\_pb2 module
--------------------------------------------------
-
-.. automodule:: libp2p.security.insecure.pb.plaintext_pb2
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.security.insecure.pb
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.security.insecure.rst

@@ -1,29 +0,0 @@
-libp2p.security.insecure package
-================================
-
-Subpackages
------------
-
-.. toctree::
-
-    libp2p.security.insecure.pb
-
-Submodules
-----------
-
-libp2p.security.insecure.transport module
------------------------------------------
-
-.. automodule:: libp2p.security.insecure.transport
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.security.insecure
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.security.noise.pb.rst

@@ -1,22 +0,0 @@
-libp2p.security.noise.pb package
-================================
-
-Submodules
-----------
-
-libp2p.security.noise.pb.noise\_pb2 module
-------------------------------------------
-
-.. automodule:: libp2p.security.noise.pb.noise_pb2
-   :members:
-   :undoc-members:
-   :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.security.noise.pb
-   :members:
-   :undoc-members:
-   :show-inheritance:

docs/libp2p.security.noise.rst

@@ -1,61 +0,0 @@
-libp2p.security.noise package
-=============================
-
-Subpackages
------------
-
-.. toctree::
-
-   libp2p.security.noise.pb
-
-Submodules
-----------
-
-libp2p.security.noise.exceptions module
----------------------------------------
-
-.. automodule:: libp2p.security.noise.exceptions
-   :members:
-   :undoc-members:
-   :show-inheritance:
-
-libp2p.security.noise.io module
--------------------------------
-
-.. automodule:: libp2p.security.noise.io
-   :members:
-   :undoc-members:
-   :show-inheritance:
-
-libp2p.security.noise.messages module
--------------------------------------
-
-.. automodule:: libp2p.security.noise.messages
-   :members:
-   :undoc-members:
-   :show-inheritance:
-
-libp2p.security.noise.patterns module
--------------------------------------
-
-.. automodule:: libp2p.security.noise.patterns
-   :members:
-   :undoc-members:
-   :show-inheritance:
-
-libp2p.security.noise.transport module
---------------------------------------
-
-.. automodule:: libp2p.security.noise.transport
-   :members:
-   :undoc-members:
-   :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.security.noise
-   :members:
-   :undoc-members:
-   :show-inheritance:

docs/libp2p.security.rst

@@ -1,71 +0,0 @@
-libp2p.security package
-=======================
-
-Subpackages
------------
-
-.. toctree::
-
-   libp2p.security.insecure
-   libp2p.security.noise
-   libp2p.security.secio
-
-Submodules
-----------
-
-libp2p.security.base\_session module
-------------------------------------
-
-.. automodule:: libp2p.security.base_session
-   :members:
-   :undoc-members:
-   :show-inheritance:
-
-libp2p.security.base\_transport module
---------------------------------------
-
-.. automodule:: libp2p.security.base_transport
-   :members:
-   :undoc-members:
-   :show-inheritance:
-
-libp2p.security.exceptions module
----------------------------------
-
-.. automodule:: libp2p.security.exceptions
-   :members:
-   :undoc-members:
-   :show-inheritance:
-
-libp2p.security.secure\_conn\_interface module
-----------------------------------------------
-
-.. automodule:: libp2p.security.secure_conn_interface
-   :members:
-   :undoc-members:
-   :show-inheritance:
-
-libp2p.security.secure\_transport\_interface module
----------------------------------------------------
-
-.. automodule:: libp2p.security.secure_transport_interface
-   :members:
-   :undoc-members:
-   :show-inheritance:
-
-libp2p.security.security\_multistream module
---------------------------------------------
-
-.. automodule:: libp2p.security.security_multistream
-   :members:
-   :undoc-members:
-   :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.security
-   :members:
-   :undoc-members:
-   :show-inheritance:

docs/libp2p.security.secio.pb.rst

@@ -1,22 +0,0 @@
-libp2p.security.secio.pb package
-================================
-
-Submodules
-----------
-
-libp2p.security.secio.pb.spipe\_pb2 module
-------------------------------------------
-
-.. automodule:: libp2p.security.secio.pb.spipe_pb2
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.security.secio.pb
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.security.secio.rst

@@ -1,37 +0,0 @@
-libp2p.security.secio package
-=============================
-
-Subpackages
------------
-
-.. toctree::
-
-    libp2p.security.secio.pb
-
-Submodules
-----------
-
-libp2p.security.secio.exceptions module
----------------------------------------
-
-.. automodule:: libp2p.security.secio.exceptions
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.security.secio.transport module
---------------------------------------
-
-.. automodule:: libp2p.security.secio.transport
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.security.secio
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.stream_muxer.mplex.rst

@@ -1,54 +0,0 @@
-libp2p.stream\_muxer.mplex package
-==================================
-
-Submodules
-----------
-
-libp2p.stream\_muxer.mplex.constants module
--------------------------------------------
-
-.. automodule:: libp2p.stream_muxer.mplex.constants
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.stream\_muxer.mplex.datastructures module
-------------------------------------------------
-
-.. automodule:: libp2p.stream_muxer.mplex.datastructures
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.stream\_muxer.mplex.exceptions module
---------------------------------------------
-
-.. automodule:: libp2p.stream_muxer.mplex.exceptions
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.stream\_muxer.mplex.mplex module
----------------------------------------
-
-.. automodule:: libp2p.stream_muxer.mplex.mplex
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.stream\_muxer.mplex.mplex\_stream module
------------------------------------------------
-
-.. automodule:: libp2p.stream_muxer.mplex.mplex_stream
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.stream_muxer.mplex
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.stream_muxer.rst

@@ -1,45 +0,0 @@
-libp2p.stream\_muxer package
-============================
-
-Subpackages
------------
-
-.. toctree::
-
-    libp2p.stream_muxer.mplex
-
-Submodules
-----------
-
-libp2p.stream\_muxer.abc module
--------------------------------
-
-.. automodule:: libp2p.stream_muxer.abc
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.stream\_muxer.exceptions module
---------------------------------------
-
-.. automodule:: libp2p.stream_muxer.exceptions
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.stream\_muxer.muxer\_multistream module
-----------------------------------------------
-
-.. automodule:: libp2p.stream_muxer.muxer_multistream
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.stream_muxer
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.tools.pubsub.rst

@@ -1,38 +0,0 @@
-libp2p.tools.pubsub package
-===========================
-
-Submodules
-----------
-
-libp2p.tools.pubsub.dummy\_account\_node module
------------------------------------------------
-
-.. automodule:: libp2p.tools.pubsub.dummy_account_node
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.tools.pubsub.floodsub\_integration\_test\_settings module
-----------------------------------------------------------------
-
-.. automodule:: libp2p.tools.pubsub.floodsub_integration_test_settings
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.tools.pubsub.utils module
---------------------------------
-
-.. automodule:: libp2p.tools.pubsub.utils
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.tools.pubsub
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.tools.rst

@@ -1,47 +0,0 @@
-libp2p.tools package
-====================
-
-Subpackages
------------
-
-.. toctree::
-
-    libp2p.tools.pubsub
-
-The interop module is left out for now, because of the extra dependencies it requires.
-
-Submodules
-----------
-
-libp2p.tools.constants module
------------------------------
-
-.. automodule:: libp2p.tools.constants
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.tools.factories module
------------------------------
-
-.. automodule:: libp2p.tools.factories
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.tools.utils module
--------------------------
-
-.. automodule:: libp2p.tools.utils
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.tools
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.transport.rst

@@ -1,61 +0,0 @@
-libp2p.transport package
-========================
-
-Subpackages
------------
-
-.. toctree::
-
-    libp2p.transport.tcp
-
-Submodules
-----------
-
-libp2p.transport.exceptions module
-----------------------------------
-
-.. automodule:: libp2p.transport.exceptions
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.transport.listener\_interface module
--------------------------------------------
-
-.. automodule:: libp2p.transport.listener_interface
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.transport.transport\_interface module
---------------------------------------------
-
-.. automodule:: libp2p.transport.transport_interface
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.transport.typing module
-------------------------------
-
-.. automodule:: libp2p.transport.typing
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-libp2p.transport.upgrader module
---------------------------------
-
-.. automodule:: libp2p.transport.upgrader
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.transport
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/libp2p.transport.tcp.rst

@@ -1,22 +0,0 @@
-libp2p.transport.tcp package
-============================
-
-Submodules
-----------
-
-libp2p.transport.tcp.tcp module
--------------------------------
-
-.. automodule:: libp2p.transport.tcp.tcp
-    :members:
-    :undoc-members:
-    :show-inheritance:
-
-
-Module contents
----------------
-
-.. automodule:: libp2p.transport.tcp
-    :members:
-    :undoc-members:
-    :show-inheritance:

docs/release_notes.rst

@@ -1,95 +0,0 @@
-Release Notes
-=============
-
-.. towncrier release notes start
-
-libp2p v0.1.5 (2020-03-25)
----------------------------
-
-Features
-~~~~~~~~
-
-- Dial all multiaddrs stored for a peer when attempting to connect (not just the first one in the peer store). (`#386 <https://github.com/libp2p/py-libp2p/issues/386>`__)
-- Migrate transport stack to trio-compatible code. Merge in #404. (`#396 <https://github.com/libp2p/py-libp2p/issues/396>`__)
-- Migrate network stack to trio-compatible code. Merge in #404. (`#397 <https://github.com/libp2p/py-libp2p/issues/397>`__)
-- Migrate host, peer and protocols stacks to trio-compatible code. Merge in #404. (`#398 <https://github.com/libp2p/py-libp2p/issues/398>`__)
-- Migrate muxer and security transport stacks to trio-compatible code. Merge in #404. (`#399 <https://github.com/libp2p/py-libp2p/issues/399>`__)
-- Migrate pubsub stack to trio-compatible code. Merge in #404. (`#400 <https://github.com/libp2p/py-libp2p/issues/400>`__)
-- Fix interop tests w/ new trio-style code. Merge in #404. (`#401 <https://github.com/libp2p/py-libp2p/issues/401>`__)
-- Fix remainder of test code w/ new trio-style code. Merge in #404. (`#402 <https://github.com/libp2p/py-libp2p/issues/402>`__)
-- Add initial infrastructure for `noise` security transport. (`#405 <https://github.com/libp2p/py-libp2p/issues/405>`__)
-- Add `PatternXX` of `noise` security transport. (`#406 <https://github.com/libp2p/py-libp2p/issues/406>`__)
-- The `msg_id` in a pubsub message is now configurable by the user of the library. (`#410 <https://github.com/libp2p/py-libp2p/issues/410>`__)
-
-
-Bugfixes
-~~~~~~~~
-
-- Use `sha256` when calculating a peer's ID from their public key in Kademlia DHTs. (`#385 <https://github.com/libp2p/py-libp2p/issues/385>`__)
-- Store peer ids in ``set`` instead of ``list`` and check if peer id exists in ``dict`` before accessing to prevent ``KeyError``. (`#387 <https://github.com/libp2p/py-libp2p/issues/387>`__)
-- Do not close a connection if it has been reset. (`#394 <https://github.com/libp2p/py-libp2p/issues/394>`__)
-
-
-Internal Changes - for py-libp2p Contributors
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-- Add support for `fastecdsa` on windows (and thereby supporting windows installation via `pip`) (`#380 <https://github.com/libp2p/py-libp2p/issues/380>`__)
-- Prefer f-string style formatting everywhere except logging statements. (`#389 <https://github.com/libp2p/py-libp2p/issues/389>`__)
-- Mark `lru` dependency as third-party to fix a windows inconsistency. (`#392 <https://github.com/libp2p/py-libp2p/issues/392>`__)
-- Bump `multiaddr` dependency to version `0.0.9` so that multiaddr objects are hashable. (`#393 <https://github.com/libp2p/py-libp2p/issues/393>`__)
-- Remove incremental mode of mypy to disable some warnings. (`#403 <https://github.com/libp2p/py-libp2p/issues/403>`__)
-
-
-libp2p v0.1.4 (2019-12-12)
---------------------------
-
-Features
-~~~~~~~~
-
-- Added support for Python 3.6 (`#372 <https://github.com/libp2p/py-libp2p/issues/372>`__)
-- Add signing and verification to pubsub (`#362 <https://github.com/libp2p/py-libp2p/issues/362>`__)
-
-
-Internal Changes - for py-libp2p Contributors
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-- Refactor and cleanup gossipsub (`#373 <https://github.com/libp2p/py-libp2p/issues/373>`__)
-
-
-libp2p v0.1.3 (2019-11-27)
---------------------------
-
-Bugfixes
-~~~~~~~~
-
-- Handle Stream* errors (like ``StreamClosed``) during calls to ``stream.write()`` and
-  ``stream.read()`` (`#350 <https://github.com/libp2p/py-libp2p/issues/350>`__)
-- Relax the protobuf dependency to play nicely with other libraries. It was pinned to 3.9.0, and now
-  permits v3.10 up to (but not including) v4. (`#354 <https://github.com/libp2p/py-libp2p/issues/354>`__)
-- Fixes KeyError when peer in a stream accidentally closes and resets the stream, because handlers
-  for both will try to ``del streams[stream_id]`` without checking if the entry still exists. (`#355 <https://github.com/libp2p/py-libp2p/issues/355>`__)
-
-
-Improved Documentation
-~~~~~~~~~~~~~~~~~~~~~~
-
-- Use Sphinx & autodoc to generate docs, now available on `py-libp2p.readthedocs.io <https://py-libp2p.readthedocs.io>`_ (`#318 <https://github.com/libp2p/py-libp2p/issues/318>`__)
-
-
-Internal Changes - for py-libp2p Contributors
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-- Added Makefile target to test a packaged version of libp2p before release. (`#353 <https://github.com/libp2p/py-libp2p/issues/353>`__)
-- Move helper tools from ``tests/`` to ``libp2p/tools/``, and some mildly-related cleanups. (`#356 <https://github.com/libp2p/py-libp2p/issues/356>`__)
-
-
-Miscellaneous changes
-~~~~~~~~~~~~~~~~~~~~~
-
-- `#357 <https://github.com/libp2p/py-libp2p/issues/357>`__
-
-
-v0.1.2
---------------
-
-Welcome to the great beyond, where changes were not tracked by release...

examples/chat/chat.py

@@ -1,103 +1,92 @@
-import argparse
+import asyncio
 import sys
 
+import click
 import multiaddr
-import trio
 
-from libp2p import new_host
-from libp2p.network.stream.net_stream_interface import INetStream
+from libp2p import new_node
 from libp2p.peer.peerinfo import info_from_p2p_addr
-from libp2p.typing import TProtocol
-
-PROTOCOL_ID = TProtocol("/chat/1.0.0")
-MAX_READ_LEN = 2 ** 32 - 1
 
 
-async def read_data(stream: INetStream) -> None:
+PROTOCOL_ID = '/chat/1.0.0'
+
+
+async def read_data(stream):
     while True:
-        read_bytes = await stream.read(MAX_READ_LEN)
-        if read_bytes is not None:
-            read_string = read_bytes.decode()
+        read_string = await stream.read()
+        if read_string is not None:
+            read_string = read_string.decode()
             if read_string != "\n":
                 # Green console colour: 	\x1b[32m
                 # Reset console colour: 	\x1b[0m
                 print("\x1b[32m %s\x1b[0m " % read_string, end="")
 
 
-async def write_data(stream: INetStream) -> None:
-    async_f = trio.wrap_file(sys.stdin)
+async def write_data(stream):
+    loop = asyncio.get_event_loop()
     while True:
-        line = await async_f.readline()
+        line = await loop.run_in_executor(None, sys.stdin.readline)
         await stream.write(line.encode())
 
 
-async def run(port: int, destination: str) -> None:
-    localhost_ip = "127.0.0.1"
-    listen_addr = multiaddr.Multiaddr(f"/ip4/0.0.0.0/tcp/{port}")
-    host = new_host()
-    async with host.run(listen_addrs=[listen_addr]), trio.open_nursery() as nursery:
+async def run(port, destination):
+    host = await new_node(transport_opt=["/ip4/127.0.0.1/tcp/%s" % port])
     if not destination:  # its the server
-
-            async def stream_handler(stream: INetStream) -> None:
-                nursery.start_soon(read_data, stream)
-                nursery.start_soon(write_data, stream)
-
+        async def stream_handler(stream):
+            asyncio.ensure_future(read_data(stream))
+            asyncio.ensure_future(write_data(stream))
         host.set_stream_handler(PROTOCOL_ID, stream_handler)
 
-            print(
-                f"Run 'python ./examples/chat/chat.py "
-                f"-p {int(port) + 1} "
-                f"-d /ip4/{localhost_ip}/tcp/{port}/p2p/{host.get_id().pretty()}' "
-                "on another console."
-            )
-            print("Waiting for incoming connection...")
+        port = None
+        for listener in host.network.listeners.values():
+            for addr in listener.get_addrs():
+                port = int(addr.value_for_protocol('tcp'))
+
+        if not port:
+            raise RuntimeError("was not able to find the actual local port")
+
+        print("Run './examples/chat/chat.py -p %s -d /ip4/127.0.0.1/tcp/%s/p2p/%s' on another console.\n" %
+              (int(port) + 1, port, host.get_id().pretty()))
+        print("You can replace 127.0.0.1 with public IP as well.")
+        print("\nWaiting for incoming connection\n\n")
 
     else: # its the client
-            maddr = multiaddr.Multiaddr(destination)
-            info = info_from_p2p_addr(maddr)
+        m = multiaddr.Multiaddr(destination)
+        info = info_from_p2p_addr(m)
         # Associate the peer with local ip address
         await host.connect(info)
+
         # Start a stream with the destination.
         # Multiaddress of the destination peer is fetched from the peerstore using 'peerId'.
         stream = await host.new_stream(info.peer_id, [PROTOCOL_ID])
 
-            nursery.start_soon(read_data, stream)
-            nursery.start_soon(write_data, stream)
-            print(f"Connected to peer {info.addrs[0]}")
-
-        await trio.sleep_forever()
+        asyncio.ensure_future(read_data(stream))
+        asyncio.ensure_future(write_data(stream))
+        print("Connected to peer %s" % info.addrs[0])
 
 
-def main() -> None:
-    description = """
-    This program demonstrates a simple p2p chat application using libp2p.
-    To use it, first run 'python ./chat -p <PORT>', where <PORT> is the port number.
-    Then, run another host with 'python ./chat -p <ANOTHER_PORT> -d <DESTINATION>',
-    where <DESTINATION> is the multiaddress of the previous listener host.
-    """
-    example_maddr = (
-        "/ip4/127.0.0.1/tcp/8000/p2p/QmQn4SwGkDZKkUEpBRBvTmheQycxAHJUNmVEnjA2v1qe8Q"
-    )
-    parser = argparse.ArgumentParser(description=description)
-    parser.add_argument(
-        "-p", "--port", default=8000, type=int, help="source port number"
-    )
-    parser.add_argument(
-        "-d",
-        "--destination",
-        type=str,
-        help=f"destination multiaddr string, e.g. {example_maddr}",
-    )
-    args = parser.parse_args()
+@click.command()
+@click.option('--port', '-p', help='source port number', default=8000)
+@click.option('--destination', '-d', help="Destination multiaddr string")
+@click.option('--help', is_flag=True, default=False, help='display help')
+# @click.option('--debug', is_flag=True, default=False, help='Debug generates the same node ID on every execution')
+def main(port, destination, help):
 
-    if not args.port:
-        raise RuntimeError("was not able to determine a local port")
+    if help:
+        print("This program demonstrates a simple p2p chat application using libp2p\n\n")
+        print("Usage: Run './chat -p <SOURCE_PORT>' where <SOURCE_PORT> can be any port number.")
+        print("Now run './chat -p <PORT> -d <MULTIADDR>' where <MULTIADDR> is multiaddress of previous listener host.")
+        return
 
+    loop = asyncio.get_event_loop()
     try:
-        trio.run(run, *(args.port, args.destination))
+        asyncio.ensure_future(run(port, destination))
+        loop.run_forever()
     except KeyboardInterrupt:
         pass
+    finally:
+        loop.close()
 
 
-if __name__ == "__main__":
+if __name__ == '__main__':
     main()

examples/echo/echo.py

@@ -1,116 +0,0 @@
-import argparse
-
-import multiaddr
-import trio
-
-from libp2p import new_host
-from libp2p.crypto.secp256k1 import create_new_key_pair
-from libp2p.network.stream.net_stream_interface import INetStream
-from libp2p.peer.peerinfo import info_from_p2p_addr
-from libp2p.typing import TProtocol
-
-PROTOCOL_ID = TProtocol("/echo/1.0.0")
-
-
-async def _echo_stream_handler(stream: INetStream) -> None:
-    # Wait until EOF
-    msg = await stream.read()
-    await stream.write(msg)
-    await stream.close()
-
-
-async def run(port: int, destination: str, seed: int = None) -> None:
-    localhost_ip = "127.0.0.1"
-    listen_addr = multiaddr.Multiaddr(f"/ip4/0.0.0.0/tcp/{port}")
-
-    if seed:
-        import random
-
-        random.seed(seed)
-        secret_number = random.getrandbits(32 * 8)
-        secret = secret_number.to_bytes(length=32, byteorder="big")
-    else:
-        import secrets
-
-        secret = secrets.token_bytes(32)
-
-    host = new_host(key_pair=create_new_key_pair(secret))
-    async with host.run(listen_addrs=[listen_addr]):
-
-        print(f"I am {host.get_id().to_string()}")
-
-        if not destination:  # its the server
-
-            host.set_stream_handler(PROTOCOL_ID, _echo_stream_handler)
-
-            print(
-                f"Run 'python ./examples/echo/echo.py "
-                f"-p {int(port) + 1} "
-                f"-d /ip4/{localhost_ip}/tcp/{port}/p2p/{host.get_id().pretty()}' "
-                "on another console."
-            )
-            print("Waiting for incoming connections...")
-            await trio.sleep_forever()
-
-        else:  # its the client
-            maddr = multiaddr.Multiaddr(destination)
-            info = info_from_p2p_addr(maddr)
-            # Associate the peer with local ip address
-            await host.connect(info)
-
-            # Start a stream with the destination.
-            # Multiaddress of the destination peer is fetched from the peerstore using 'peerId'.
-            stream = await host.new_stream(info.peer_id, [PROTOCOL_ID])
-
-            msg = b"hi, there!\n"
-
-            await stream.write(msg)
-            # Notify the other side about EOF
-            await stream.close()
-            response = await stream.read()
-
-            print(f"Sent: {msg}")
-            print(f"Got: {response}")
-
-
-def main() -> None:
-    description = """
-    This program demonstrates a simple echo protocol where a peer listens for
-    connections and copies back any input received on a stream.
-
-    To use it, first run 'python ./echo -p <PORT>', where <PORT> is the port number.
-    Then, run another host with 'python ./chat -p <ANOTHER_PORT> -d <DESTINATION>',
-    where <DESTINATION> is the multiaddress of the previous listener host.
-    """
-    example_maddr = (
-        "/ip4/127.0.0.1/tcp/8000/p2p/QmQn4SwGkDZKkUEpBRBvTmheQycxAHJUNmVEnjA2v1qe8Q"
-    )
-    parser = argparse.ArgumentParser(description=description)
-    parser.add_argument(
-        "-p", "--port", default=8000, type=int, help="source port number"
-    )
-    parser.add_argument(
-        "-d",
-        "--destination",
-        type=str,
-        help=f"destination multiaddr string, e.g. {example_maddr}",
-    )
-    parser.add_argument(
-        "-s",
-        "--seed",
-        type=int,
-        help="provide a seed to the random number generator (e.g. to fix peer IDs across runs)",
-    )
-    args = parser.parse_args()
-
-    if not args.port:
-        raise RuntimeError("was not able to determine a local port")
-
-    try:
-        trio.run(run, args.port, args.destination, args.seed)
-    except KeyboardInterrupt:
-        pass
-
-
-if __name__ == "__main__":
-    main()

libp2p/__init__.py

@@ -1,98 +1,38 @@
-from libp2p.crypto.keys import KeyPair
-from libp2p.crypto.rsa import create_new_key_pair
-from libp2p.host.basic_host import BasicHost
-from libp2p.host.host_interface import IHost
-from libp2p.host.routed_host import RoutedHost
-from libp2p.network.network_interface import INetworkService
-from libp2p.network.swarm import Swarm
-from libp2p.peer.id import ID
-from libp2p.peer.peerstore import PeerStore
-from libp2p.peer.peerstore_interface import IPeerStore
-from libp2p.routing.interfaces import IPeerRouting
-from libp2p.security.insecure.transport import PLAINTEXT_PROTOCOL_ID, InsecureTransport
-import libp2p.security.secio.transport as secio
-from libp2p.stream_muxer.mplex.mplex import MPLEX_PROTOCOL_ID, Mplex
-from libp2p.transport.tcp.tcp import TCP
-from libp2p.transport.typing import TMuxerOptions, TSecurityOptions
-from libp2p.transport.upgrader import TransportUpgrader
-from libp2p.typing import TProtocol
+from Crypto.PublicKey import RSA
+
+import multiaddr
+
+from .peer.peerstore import PeerStore
+from .peer.id import id_from_public_key
+from .network.swarm import Swarm
+from .host.basic_host import BasicHost
+from .transport.upgrader import TransportUpgrader
+from .transport.tcp.tcp import TCP
 
 
-def generate_new_rsa_identity() -> KeyPair:
-    return create_new_key_pair()
+async def new_node(
+        id_opt=None, transport_opt=None,
+        muxer_opt=None, sec_opt=None, peerstore=None):
 
+    if id_opt is None:
+        new_key = RSA.generate(2048, e=65537)
+        id_opt = id_from_public_key(new_key.publickey())
+        # private_key = new_key.exportKey("PEM")
 
-def generate_peer_id_from(key_pair: KeyPair) -> ID:
-    public_key = key_pair.public_key
-    return ID.from_pubkey(public_key)
+    transport_opt = transport_opt or ["/ip4/127.0.0.1/tcp/8001"]
+    transport_opt = [multiaddr.Multiaddr(t) for t in transport_opt]
+    muxer_opt = muxer_opt or ["mplex/6.7.0"]
+    sec_opt = sec_opt or ["secio"]
+    peerstore = peerstore or PeerStore()
 
+    upgrader = TransportUpgrader(sec_opt, transport_opt)
+    swarm = Swarm(id_opt, peerstore, upgrader)
+    tcp = TCP()
+    swarm.add_transport(tcp)
+    await swarm.listen(transport_opt[0])
 
-def new_swarm(
-    key_pair: KeyPair = None,
-    muxer_opt: TMuxerOptions = None,
-    sec_opt: TSecurityOptions = None,
-    peerstore_opt: IPeerStore = None,
-) -> INetworkService:
-    """
-    Create a swarm instance based on the parameters.
-
-    :param key_pair: optional choice of the ``KeyPair``
-    :param muxer_opt: optional choice of stream muxer
-    :param sec_opt: optional choice of security upgrade
-    :param peerstore_opt: optional peerstore
-    :return: return a default swarm instance
-    """
-
-    if key_pair is None:
-        key_pair = generate_new_rsa_identity()
-
-    id_opt = generate_peer_id_from(key_pair)
-
-    # TODO: Parse `listen_addrs` to determine transport
-    transport = TCP()
-
-    muxer_transports_by_protocol = muxer_opt or {MPLEX_PROTOCOL_ID: Mplex}
-    security_transports_by_protocol = sec_opt or {
-        TProtocol(PLAINTEXT_PROTOCOL_ID): InsecureTransport(key_pair),
-        TProtocol(secio.ID): secio.Transport(key_pair),
-    }
-    upgrader = TransportUpgrader(
-        security_transports_by_protocol, muxer_transports_by_protocol
-    )
-
-    peerstore = peerstore_opt or PeerStore()
-    # Store our key pair in peerstore
-    peerstore.add_key_pair(id_opt, key_pair)
-
-    return Swarm(id_opt, peerstore, upgrader, transport)
-
-
-def new_host(
-    key_pair: KeyPair = None,
-    muxer_opt: TMuxerOptions = None,
-    sec_opt: TSecurityOptions = None,
-    peerstore_opt: IPeerStore = None,
-    disc_opt: IPeerRouting = None,
-) -> IHost:
-    """
-    Create a new libp2p host based on the given parameters.
-
-    :param key_pair: optional choice of the ``KeyPair``
-    :param muxer_opt: optional choice of stream muxer
-    :param sec_opt: optional choice of security upgrade
-    :param peerstore_opt: optional peerstore
-    :param disc_opt: optional discovery
-    :return: return a host instance
-    """
-    swarm = new_swarm(
-        key_pair=key_pair,
-        muxer_opt=muxer_opt,
-        sec_opt=sec_opt,
-        peerstore_opt=peerstore_opt,
-    )
-    host: IHost
-    if disc_opt:
-        host = RoutedHost(swarm, disc_opt)
-    else:
+    # TODO enable support for other host type
+    # TODO routing unimplemented
     host = BasicHost(swarm)
+
     return host

libp2p/crypto/authenticated_encryption.py

@@ -1,125 +0,0 @@
-from dataclasses import dataclass
-import hmac
-from typing import Tuple
-
-from Crypto.Cipher import AES
-import Crypto.Util.Counter as Counter
-
-
-class InvalidMACException(Exception):
-    pass
-
-
-@dataclass(frozen=True)
-class EncryptionParameters:
-    cipher_type: str
-    hash_type: str
-    iv: bytes
-    mac_key: bytes
-    cipher_key: bytes
-
-
-class MacAndCipher:
-    def __init__(self, parameters: EncryptionParameters) -> None:
-        self.authenticator = hmac.new(
-            parameters.mac_key, digestmod=parameters.hash_type
-        )
-        iv_bit_size = 8 * len(parameters.iv)
-        cipher = AES.new(
-            parameters.cipher_key,
-            AES.MODE_CTR,
-            counter=Counter.new(
-                iv_bit_size,
-                initial_value=int.from_bytes(parameters.iv, byteorder="big"),
-            ),
-        )
-        self.cipher = cipher
-
-    def encrypt(self, data: bytes) -> bytes:
-        return self.cipher.encrypt(data)
-
-    def authenticate(self, data: bytes) -> bytes:
-        authenticator = self.authenticator.copy()
-        authenticator.update(data)
-        return authenticator.digest()
-
-    def decrypt_if_valid(self, data_with_tag: bytes) -> bytes:
-        tag_position = len(data_with_tag) - self.authenticator.digest_size
-        data = data_with_tag[:tag_position]
-        tag = data_with_tag[tag_position:]
-
-        authenticator = self.authenticator.copy()
-        authenticator.update(data)
-        expected_tag = authenticator.digest()
-
-        if not hmac.compare_digest(tag, expected_tag):
-            raise InvalidMACException(expected_tag, tag)
-
-        return self.cipher.decrypt(data)
-
-
-def initialize_pair(
-    cipher_type: str, hash_type: str, secret: bytes
-) -> Tuple[EncryptionParameters, EncryptionParameters]:
-    """Return a pair of ``Keys`` for use in securing a communications channel
-    with authenticated encryption derived from the ``secret`` and using the
-    requested ``cipher_type`` and ``hash_type``."""
-    if cipher_type != "AES-128":
-        raise NotImplementedError()
-    if hash_type != "SHA256":
-        raise NotImplementedError()
-
-    iv_size = 16
-    cipher_key_size = 16
-    hmac_key_size = 20
-    seed = "key expansion".encode()
-
-    params_size = iv_size + cipher_key_size + hmac_key_size
-    result = bytearray(2 * params_size)
-
-    authenticator = hmac.new(secret, digestmod=hash_type)
-    authenticator.update(seed)
-    tag = authenticator.digest()
-
-    i = 0
-    len_result = 2 * params_size
-    while i < len_result:
-        authenticator = hmac.new(secret, digestmod=hash_type)
-
-        authenticator.update(tag)
-        authenticator.update(seed)
-
-        another_tag = authenticator.digest()
-
-        remaining_bytes = len(another_tag)
-
-        if i + remaining_bytes > len_result:
-            remaining_bytes = len_result - i
-
-        result[i : i + remaining_bytes] = another_tag[0:remaining_bytes]
-
-        i += remaining_bytes
-
-        authenticator = hmac.new(secret, digestmod=hash_type)
-        authenticator.update(tag)
-        tag = authenticator.digest()
-
-    first_half = result[:params_size]
-    second_half = result[params_size:]
-
-    return (
-        EncryptionParameters(
-            cipher_type,
-            hash_type,
-            first_half[0:iv_size],
-            first_half[iv_size + cipher_key_size :],
-            first_half[iv_size : iv_size + cipher_key_size],
-        ),
-        EncryptionParameters(
-            cipher_type,
-            hash_type,
-            second_half[0:iv_size],
-            second_half[iv_size + cipher_key_size :],
-            second_half[iv_size : iv_size + cipher_key_size],
-        ),
-    )

libp2p/crypto/ecc.py

@@ -1,68 +0,0 @@
-from fastecdsa import curve as curve_types
-from fastecdsa import keys, point
-from fastecdsa.encoding.sec1 import SEC1Encoder
-
-from libp2p.crypto.keys import KeyPair, KeyType, PrivateKey, PublicKey
-
-
-def infer_local_type(curve: str) -> curve_types.Curve:
-    """converts a ``str`` representation of some elliptic curve to a
-    representation understood by the backend of this module."""
-    if curve == "P-256":
-        return curve_types.P256
-    else:
-        raise NotImplementedError()
-
-
-class ECCPublicKey(PublicKey):
-    def __init__(self, impl: point.Point, curve: curve_types.Curve) -> None:
-        self.impl = impl
-        self.curve = curve
-
-    def to_bytes(self) -> bytes:
-        return SEC1Encoder.encode_public_key(self.impl, compressed=False)
-
-    @classmethod
-    def from_bytes(cls, data: bytes, curve: str) -> "ECCPublicKey":
-        curve_type = infer_local_type(curve)
-        public_key_impl = SEC1Encoder.decode_public_key(data, curve_type)
-        return cls(public_key_impl, curve_type)
-
-    def get_type(self) -> KeyType:
-        return KeyType.ECC_P256
-
-    def verify(self, data: bytes, signature: bytes) -> bool:
-        raise NotImplementedError()
-
-
-class ECCPrivateKey(PrivateKey):
-    def __init__(self, impl: int, curve: curve_types.Curve) -> None:
-        self.impl = impl
-        self.curve = curve
-
-    @classmethod
-    def new(cls, curve: str) -> "ECCPrivateKey":
-        curve_type = infer_local_type(curve)
-        private_key_impl = keys.gen_private_key(curve_type)
-        return cls(private_key_impl, curve_type)
-
-    def to_bytes(self) -> bytes:
-        return keys.export_key(self.impl, self.curve)
-
-    def get_type(self) -> KeyType:
-        return KeyType.ECC_P256
-
-    def sign(self, data: bytes) -> bytes:
-        raise NotImplementedError()
-
-    def get_public_key(self) -> PublicKey:
-        public_key_impl = keys.get_public_key(self.impl, self.curve)
-        return ECCPublicKey(public_key_impl, self.curve)
-
-
-def create_new_key_pair(curve: str) -> KeyPair:
-    """Return a new ECC keypair with the requested ``curve`` type, e.g.
-    "P-256"."""
-    private_key = ECCPrivateKey.new(curve)
-    public_key = private_key.get_public_key()
-    return KeyPair(private_key, public_key)

libp2p/crypto/ed25519.py

@@ -1,69 +0,0 @@
-from Crypto.Hash import SHA256
-from nacl.exceptions import BadSignatureError
-from nacl.public import PrivateKey as PrivateKeyImpl
-from nacl.public import PublicKey as PublicKeyImpl
-from nacl.signing import SigningKey, VerifyKey
-import nacl.utils as utils
-
-from libp2p.crypto.keys import KeyPair, KeyType, PrivateKey, PublicKey
-
-
-class Ed25519PublicKey(PublicKey):
-    def __init__(self, impl: PublicKeyImpl) -> None:
-        self.impl = impl
-
-    def to_bytes(self) -> bytes:
-        return bytes(self.impl)
-
-    @classmethod
-    def from_bytes(cls, key_bytes: bytes) -> "Ed25519PublicKey":
-        return cls(PublicKeyImpl(key_bytes))
-
-    def get_type(self) -> KeyType:
-        return KeyType.Ed25519
-
-    def verify(self, data: bytes, signature: bytes) -> bool:
-        verify_key = VerifyKey(self.to_bytes())
-        try:
-            verify_key.verify(data, signature)
-        except BadSignatureError:
-            return False
-        return True
-
-
-class Ed25519PrivateKey(PrivateKey):
-    def __init__(self, impl: PrivateKeyImpl) -> None:
-        self.impl = impl
-
-    @classmethod
-    def new(cls, seed: bytes = None) -> "Ed25519PrivateKey":
-        if not seed:
-            seed = utils.random()
-
-        private_key_impl = PrivateKeyImpl.from_seed(seed)
-        return cls(private_key_impl)
-
-    def to_bytes(self) -> bytes:
-        return bytes(self.impl)
-
-    @classmethod
-    def from_bytes(cls, data: bytes) -> "Ed25519PrivateKey":
-        impl = PrivateKeyImpl(data)
-        return cls(impl)
-
-    def get_type(self) -> KeyType:
-        return KeyType.Ed25519
-
-    def sign(self, data: bytes) -> bytes:
-        h = SHA256.new(data)
-        signing_key = SigningKey(self.to_bytes())
-        return signing_key.sign(h)
-
-    def get_public_key(self) -> PublicKey:
-        return Ed25519PublicKey(self.impl.public_key)
-
-
-def create_new_key_pair(seed: bytes = None) -> KeyPair:
-    private_key = Ed25519PrivateKey.new(seed)
-    public_key = private_key.get_public_key()
-    return KeyPair(private_key, public_key)

libp2p/crypto/exceptions.py

@@ -1,12 +0,0 @@
-from libp2p.exceptions import BaseLibp2pError
-
-
-class CryptographyError(BaseLibp2pError):
-    pass
-
-
-class MissingDeserializerError(CryptographyError):
-    """Raise if the requested deserialization routine is missing for some type
-    of cryptographic key."""
-
-    pass

libp2p/crypto/key_exchange.py

@@ -1,29 +0,0 @@
-from typing import Callable, Tuple, cast
-
-from fastecdsa.encoding import util
-
-from libp2p.crypto.ecc import ECCPrivateKey, ECCPublicKey, create_new_key_pair
-from libp2p.crypto.keys import PublicKey
-
-SharedKeyGenerator = Callable[[bytes], bytes]
-
-int_bytelen = util.int_bytelen
-
-
-def create_ephemeral_key_pair(curve_type: str) -> Tuple[PublicKey, SharedKeyGenerator]:
-    """Facilitates ECDH key exchange."""
-    if curve_type != "P-256":
-        raise NotImplementedError()
-
-    key_pair = create_new_key_pair(curve_type)
-
-    def _key_exchange(serialized_remote_public_key: bytes) -> bytes:
-        private_key = cast(ECCPrivateKey, key_pair.private_key)
-
-        remote_point = ECCPublicKey.from_bytes(serialized_remote_public_key, curve_type)
-        secret_point = remote_point.impl * private_key.impl
-        secret_x_coordinate = secret_point.x
-        byte_size = int_bytelen(secret_x_coordinate)
-        return secret_x_coordinate.to_bytes(byte_size, byteorder="big")
-
-    return key_pair.public_key, _key_exchange

libp2p/crypto/keys.py

@@ -1,91 +0,0 @@
-from abc import ABC, abstractmethod
-from dataclasses import dataclass
-from enum import Enum, unique
-
-from .pb import crypto_pb2 as protobuf
-
-
-@unique
-class KeyType(Enum):
-    RSA = 0
-    Ed25519 = 1
-    Secp256k1 = 2
-    ECDSA = 3
-    ECC_P256 = 4
-
-
-class Key(ABC):
-    """A ``Key`` represents a cryptographic key."""
-
-    @abstractmethod
-    def to_bytes(self) -> bytes:
-        """Returns the byte representation of this key."""
-        ...
-
-    @abstractmethod
-    def get_type(self) -> KeyType:
-        """Returns the ``KeyType`` for ``self``."""
-        ...
-
-    def __eq__(self, other: object) -> bool:
-        if not isinstance(other, Key):
-            return NotImplemented
-        return self.to_bytes() == other.to_bytes()
-
-
-class PublicKey(Key):
-    """A ``PublicKey`` represents a cryptographic public key."""
-
-    @abstractmethod
-    def verify(self, data: bytes, signature: bytes) -> bool:
-        """Verify that ``signature`` is the cryptographic signature of the hash
-        of ``data``."""
-        ...
-
-    def _serialize_to_protobuf(self) -> protobuf.PublicKey:
-        """Return the protobuf representation of this ``Key``."""
-        key_type = self.get_type().value
-        data = self.to_bytes()
-        protobuf_key = protobuf.PublicKey(key_type=key_type, data=data)
-        return protobuf_key
-
-    def serialize(self) -> bytes:
-        """Return the canonical serialization of this ``Key``."""
-        return self._serialize_to_protobuf().SerializeToString()
-
-    @classmethod
-    def deserialize_from_protobuf(cls, protobuf_data: bytes) -> protobuf.PublicKey:
-        return protobuf.PublicKey.FromString(protobuf_data)
-
-
-class PrivateKey(Key):
-    """A ``PrivateKey`` represents a cryptographic private key."""
-
-    @abstractmethod
-    def sign(self, data: bytes) -> bytes:
-        ...
-
-    @abstractmethod
-    def get_public_key(self) -> PublicKey:
-        ...
-
-    def _serialize_to_protobuf(self) -> protobuf.PrivateKey:
-        """Return the protobuf representation of this ``Key``."""
-        key_type = self.get_type().value
-        data = self.to_bytes()
-        protobuf_key = protobuf.PrivateKey(key_type=key_type, data=data)
-        return protobuf_key
-
-    def serialize(self) -> bytes:
-        """Return the canonical serialization of this ``Key``."""
-        return self._serialize_to_protobuf().SerializeToString()
-
-    @classmethod
-    def deserialize_from_protobuf(cls, protobuf_data: bytes) -> protobuf.PrivateKey:
-        return protobuf.PrivateKey.FromString(protobuf_data)
-
-
-@dataclass(frozen=True)
-class KeyPair:
-    private_key: PrivateKey
-    public_key: PublicKey

libp2p/crypto/pb/crypto.proto

@@ -1,20 +0,0 @@
-syntax = "proto2";
-
-package crypto.pb;
-
-enum KeyType {
-  RSA = 0;
-  Ed25519 = 1;
-  Secp256k1 = 2;
-  ECDSA = 3;
-}
-
-message PublicKey {
-  required KeyType key_type = 1;
-  required bytes data = 2;
-}
-
-message PrivateKey {
-  required KeyType key_type = 1;
-  required bytes data = 2;
-}

libp2p/crypto/pb/crypto_pb2.py

@@ -1,162 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: libp2p/crypto/pb/crypto.proto
-
-import sys
-_b=sys.version_info[0]<3 and (lambda x:x) or (lambda x:x.encode('latin1'))
-from google.protobuf.internal import enum_type_wrapper
-from google.protobuf import descriptor as _descriptor
-from google.protobuf import message as _message
-from google.protobuf import reflection as _reflection
-from google.protobuf import symbol_database as _symbol_database
-# @@protoc_insertion_point(imports)
-
-_sym_db = _symbol_database.Default()
-
-
-
-
-DESCRIPTOR = _descriptor.FileDescriptor(
-  name='libp2p/crypto/pb/crypto.proto',
-  package='crypto.pb',
-  syntax='proto2',
-  serialized_options=None,
-  serialized_pb=_b('\n\x1dlibp2p/crypto/pb/crypto.proto\x12\tcrypto.pb\"?\n\tPublicKey\x12$\n\x08key_type\x18\x01 \x02(\x0e\x32\x12.crypto.pb.KeyType\x12\x0c\n\x04\x64\x61ta\x18\x02 \x02(\x0c\"@\n\nPrivateKey\x12$\n\x08key_type\x18\x01 \x02(\x0e\x32\x12.crypto.pb.KeyType\x12\x0c\n\x04\x64\x61ta\x18\x02 \x02(\x0c*9\n\x07KeyType\x12\x07\n\x03RSA\x10\x00\x12\x0b\n\x07\x45\x64\x32\x35\x35\x31\x39\x10\x01\x12\r\n\tSecp256k1\x10\x02\x12\t\n\x05\x45\x43\x44SA\x10\x03')
-)
-
-_KEYTYPE = _descriptor.EnumDescriptor(
-  name='KeyType',
-  full_name='crypto.pb.KeyType',
-  filename=None,
-  file=DESCRIPTOR,
-  values=[
-    _descriptor.EnumValueDescriptor(
-      name='RSA', index=0, number=0,
-      serialized_options=None,
-      type=None),
-    _descriptor.EnumValueDescriptor(
-      name='Ed25519', index=1, number=1,
-      serialized_options=None,
-      type=None),
-    _descriptor.EnumValueDescriptor(
-      name='Secp256k1', index=2, number=2,
-      serialized_options=None,
-      type=None),
-    _descriptor.EnumValueDescriptor(
-      name='ECDSA', index=3, number=3,
-      serialized_options=None,
-      type=None),
-  ],
-  containing_type=None,
-  serialized_options=None,
-  serialized_start=175,
-  serialized_end=232,
-)
-_sym_db.RegisterEnumDescriptor(_KEYTYPE)
-
-KeyType = enum_type_wrapper.EnumTypeWrapper(_KEYTYPE)
-RSA = 0
-Ed25519 = 1
-Secp256k1 = 2
-ECDSA = 3
-
-
-
-_PUBLICKEY = _descriptor.Descriptor(
-  name='PublicKey',
-  full_name='crypto.pb.PublicKey',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='key_type', full_name='crypto.pb.PublicKey.key_type', index=0,
-      number=1, type=14, cpp_type=8, label=2,
-      has_default_value=False, default_value=0,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
-    _descriptor.FieldDescriptor(
-      name='data', full_name='crypto.pb.PublicKey.data', index=1,
-      number=2, type=12, cpp_type=9, label=2,
-      has_default_value=False, default_value=_b(""),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto2',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=44,
-  serialized_end=107,
-)
-
-
-_PRIVATEKEY = _descriptor.Descriptor(
-  name='PrivateKey',
-  full_name='crypto.pb.PrivateKey',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='key_type', full_name='crypto.pb.PrivateKey.key_type', index=0,
-      number=1, type=14, cpp_type=8, label=2,
-      has_default_value=False, default_value=0,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
-    _descriptor.FieldDescriptor(
-      name='data', full_name='crypto.pb.PrivateKey.data', index=1,
-      number=2, type=12, cpp_type=9, label=2,
-      has_default_value=False, default_value=_b(""),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto2',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=109,
-  serialized_end=173,
-)
-
-_PUBLICKEY.fields_by_name['key_type'].enum_type = _KEYTYPE
-_PRIVATEKEY.fields_by_name['key_type'].enum_type = _KEYTYPE
-DESCRIPTOR.message_types_by_name['PublicKey'] = _PUBLICKEY
-DESCRIPTOR.message_types_by_name['PrivateKey'] = _PRIVATEKEY
-DESCRIPTOR.enum_types_by_name['KeyType'] = _KEYTYPE
-_sym_db.RegisterFileDescriptor(DESCRIPTOR)
-
-PublicKey = _reflection.GeneratedProtocolMessageType('PublicKey', (_message.Message,), {
-  'DESCRIPTOR' : _PUBLICKEY,
-  '__module__' : 'libp2p.crypto.pb.crypto_pb2'
-  # @@protoc_insertion_point(class_scope:crypto.pb.PublicKey)
-  })
-_sym_db.RegisterMessage(PublicKey)
-
-PrivateKey = _reflection.GeneratedProtocolMessageType('PrivateKey', (_message.Message,), {
-  'DESCRIPTOR' : _PRIVATEKEY,
-  '__module__' : 'libp2p.crypto.pb.crypto_pb2'
-  # @@protoc_insertion_point(class_scope:crypto.pb.PrivateKey)
-  })
-_sym_db.RegisterMessage(PrivateKey)
-
-
-# @@protoc_insertion_point(module_scope)

libp2p/crypto/pb/crypto_pb2.pyi

@@ -1,84 +0,0 @@
-# @generated by generate_proto_mypy_stubs.py.  Do not edit!
-import sys
-from google.protobuf.descriptor import (
-    Descriptor as google___protobuf___descriptor___Descriptor,
-    EnumDescriptor as google___protobuf___descriptor___EnumDescriptor,
-)
-
-from google.protobuf.message import (
-    Message as google___protobuf___message___Message,
-)
-
-from typing import (
-    List as typing___List,
-    Tuple as typing___Tuple,
-    cast as typing___cast,
-)
-
-from typing_extensions import (
-    Literal as typing_extensions___Literal,
-)
-
-
-class KeyType(int):
-    DESCRIPTOR: google___protobuf___descriptor___EnumDescriptor = ...
-    @classmethod
-    def Name(cls, number: int) -> str: ...
-    @classmethod
-    def Value(cls, name: str) -> KeyType: ...
-    @classmethod
-    def keys(cls) -> typing___List[str]: ...
-    @classmethod
-    def values(cls) -> typing___List[KeyType]: ...
-    @classmethod
-    def items(cls) -> typing___List[typing___Tuple[str, KeyType]]: ...
-    RSA = typing___cast(KeyType, 0)
-    Ed25519 = typing___cast(KeyType, 1)
-    Secp256k1 = typing___cast(KeyType, 2)
-    ECDSA = typing___cast(KeyType, 3)
-RSA = typing___cast(KeyType, 0)
-Ed25519 = typing___cast(KeyType, 1)
-Secp256k1 = typing___cast(KeyType, 2)
-ECDSA = typing___cast(KeyType, 3)
-
-class PublicKey(google___protobuf___message___Message):
-    DESCRIPTOR: google___protobuf___descriptor___Descriptor = ...
-    key_type = ... # type: KeyType
-    data = ... # type: bytes
-
-    def __init__(self,
-        *,
-        key_type : KeyType,
-        data : bytes,
-        ) -> None: ...
-    @classmethod
-    def FromString(cls, s: bytes) -> PublicKey: ...
-    def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
-    def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
-    if sys.version_info >= (3,):
-        def HasField(self, field_name: typing_extensions___Literal[u"data",u"key_type"]) -> bool: ...
-        def ClearField(self, field_name: typing_extensions___Literal[u"data",u"key_type"]) -> None: ...
-    else:
-        def HasField(self, field_name: typing_extensions___Literal[u"data",b"data",u"key_type",b"key_type"]) -> bool: ...
-        def ClearField(self, field_name: typing_extensions___Literal[u"data",b"data",u"key_type",b"key_type"]) -> None: ...
-
-class PrivateKey(google___protobuf___message___Message):
-    DESCRIPTOR: google___protobuf___descriptor___Descriptor = ...
-    key_type = ... # type: KeyType
-    data = ... # type: bytes
-
-    def __init__(self,
-        *,
-        key_type : KeyType,
-        data : bytes,
-        ) -> None: ...
-    @classmethod
-    def FromString(cls, s: bytes) -> PrivateKey: ...
-    def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
-    def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
-    if sys.version_info >= (3,):
-        def HasField(self, field_name: typing_extensions___Literal[u"data",u"key_type"]) -> bool: ...
-        def ClearField(self, field_name: typing_extensions___Literal[u"data",u"key_type"]) -> None: ...
-    else:
-        def HasField(self, field_name: typing_extensions___Literal[u"data",b"data",u"key_type",b"key_type"]) -> bool: ...
-        def ClearField(self, field_name: typing_extensions___Literal[u"data",b"data",u"key_type",b"key_type"]) -> None: ...

libp2p/crypto/rsa.py

@@ -1,65 +0,0 @@
-from Crypto.Hash import SHA256
-import Crypto.PublicKey.RSA as RSA
-from Crypto.PublicKey.RSA import RsaKey
-from Crypto.Signature import pkcs1_15
-
-from libp2p.crypto.keys import KeyPair, KeyType, PrivateKey, PublicKey
-
-
-class RSAPublicKey(PublicKey):
-    def __init__(self, impl: RsaKey) -> None:
-        self.impl = impl
-
-    def to_bytes(self) -> bytes:
-        return self.impl.export_key("DER")
-
-    @classmethod
-    def from_bytes(cls, key_bytes: bytes) -> "RSAPublicKey":
-        rsakey = RSA.import_key(key_bytes)
-        return cls(rsakey)
-
-    def get_type(self) -> KeyType:
-        return KeyType.RSA
-
-    def verify(self, data: bytes, signature: bytes) -> bool:
-        h = SHA256.new(data)
-        try:
-            pkcs1_15.new(self.impl).verify(h, signature)
-        except (ValueError, TypeError):
-            return False
-        return True
-
-
-class RSAPrivateKey(PrivateKey):
-    def __init__(self, impl: RsaKey) -> None:
-        self.impl = impl
-
-    @classmethod
-    def new(cls, bits: int = 2048, e: int = 65537) -> "RSAPrivateKey":
-        private_key_impl = RSA.generate(bits, e=e)
-        return cls(private_key_impl)
-
-    def to_bytes(self) -> bytes:
-        return self.impl.export_key("DER")
-
-    def get_type(self) -> KeyType:
-        return KeyType.RSA
-
-    def sign(self, data: bytes) -> bytes:
-        h = SHA256.new(data)
-        return pkcs1_15.new(self.impl).sign(h)
-
-    def get_public_key(self) -> PublicKey:
-        return RSAPublicKey(self.impl.publickey())
-
-
-def create_new_key_pair(bits: int = 2048, e: int = 65537) -> KeyPair:
-    """
-    Returns a new RSA keypair with the requested key size (``bits``) and the
-    given public exponent ``e``.
-
-    Sane defaults are provided for both values.
-    """
-    private_key = RSAPrivateKey.new(bits, e)
-    public_key = private_key.get_public_key()
-    return KeyPair(private_key, public_key)

libp2p/crypto/secp256k1.py

@@ -1,73 +0,0 @@
-import coincurve
-
-from libp2p.crypto.keys import KeyPair, KeyType, PrivateKey, PublicKey
-
-
-class Secp256k1PublicKey(PublicKey):
-    def __init__(self, impl: coincurve.PublicKey) -> None:
-        self.impl = impl
-
-    def to_bytes(self) -> bytes:
-        return self.impl.format()
-
-    @classmethod
-    def from_bytes(cls, data: bytes) -> "Secp256k1PublicKey":
-        impl = coincurve.PublicKey(data)
-        return cls(impl)
-
-    @classmethod
-    def deserialize(cls, data: bytes) -> "Secp256k1PublicKey":
-        protobuf_key = cls.deserialize_from_protobuf(data)
-        return cls.from_bytes(protobuf_key.data)
-
-    def get_type(self) -> KeyType:
-        return KeyType.Secp256k1
-
-    def verify(self, data: bytes, signature: bytes) -> bool:
-        return self.impl.verify(signature, data)
-
-
-class Secp256k1PrivateKey(PrivateKey):
-    def __init__(self, impl: coincurve.PrivateKey) -> None:
-        self.impl = impl
-
-    @classmethod
-    def new(cls, secret: bytes = None) -> "Secp256k1PrivateKey":
-        private_key_impl = coincurve.PrivateKey(secret)
-        return cls(private_key_impl)
-
-    def to_bytes(self) -> bytes:
-        return self.impl.secret
-
-    @classmethod
-    def from_bytes(cls, data: bytes) -> "Secp256k1PrivateKey":
-        impl = coincurve.PrivateKey(data)
-        return cls(impl)
-
-    @classmethod
-    def deserialize(cls, data: bytes) -> "Secp256k1PrivateKey":
-        protobuf_key = cls.deserialize_from_protobuf(data)
-        return cls.from_bytes(protobuf_key.data)
-
-    def get_type(self) -> KeyType:
-        return KeyType.Secp256k1
-
-    def sign(self, data: bytes) -> bytes:
-        return self.impl.sign(data)
-
-    def get_public_key(self) -> PublicKey:
-        public_key_impl = coincurve.PublicKey.from_secret(self.impl.secret)
-        return Secp256k1PublicKey(public_key_impl)
-
-
-def create_new_key_pair(secret: bytes = None) -> KeyPair:
-    """
-    Returns a new Secp256k1 keypair derived from the provided ``secret``, a
-    sequence of bytes corresponding to some integer between 0 and the group
-    order.
-
-    A valid secret is created if ``None`` is passed.
-    """
-    private_key = Secp256k1PrivateKey.new(secret)
-    public_key = private_key.get_public_key()
-    return KeyPair(private_key, public_key)

libp2p/crypto/serialization.py

@@ -1,38 +0,0 @@
-from libp2p.crypto.ed25519 import Ed25519PrivateKey, Ed25519PublicKey
-from libp2p.crypto.exceptions import MissingDeserializerError
-from libp2p.crypto.keys import KeyType, PrivateKey, PublicKey
-from libp2p.crypto.rsa import RSAPublicKey
-from libp2p.crypto.secp256k1 import Secp256k1PrivateKey, Secp256k1PublicKey
-
-key_type_to_public_key_deserializer = {
-    KeyType.Secp256k1.value: Secp256k1PublicKey.from_bytes,
-    KeyType.RSA.value: RSAPublicKey.from_bytes,
-    KeyType.Ed25519.value: Ed25519PublicKey.from_bytes,
-}
-
-key_type_to_private_key_deserializer = {
-    KeyType.Secp256k1.value: Secp256k1PrivateKey.from_bytes,
-    KeyType.Ed25519.value: Ed25519PrivateKey.from_bytes,
-}
-
-
-def deserialize_public_key(data: bytes) -> PublicKey:
-    f = PublicKey.deserialize_from_protobuf(data)
-    try:
-        deserializer = key_type_to_public_key_deserializer[f.key_type]
-    except KeyError as e:
-        raise MissingDeserializerError(
-            {"key_type": f.key_type, "key": "public_key"}
-        ) from e
-    return deserializer(f.data)
-
-
-def deserialize_private_key(data: bytes) -> PrivateKey:
-    f = PrivateKey.deserialize_from_protobuf(data)
-    try:
-        deserializer = key_type_to_private_key_deserializer[f.key_type]
-    except KeyError as e:
-        raise MissingDeserializerError(
-            {"key_type": f.key_type, "key": "private_key"}
-        ) from e
-    return deserializer(f.data)

libp2p/discovery/advertiser_interface.py

@@ -0,0 +1,16 @@
+from abc import ABC, abstractmethod
+# pylint: disable=too-few-public-methods
+
+class IAdvertiser(ABC):
+
+    def __init__(self):
+        pass
+
+    @abstractmethod
+    def advertise(self, service):
+        """
+        Advertise providing a specific service to the network
+        :param service: service that you provide
+        :raise Exception: network error
+        """
+        

libp2p/discovery/discoverer_interface.py

@@ -0,0 +1,17 @@
+from abc import ABC, abstractmethod
+# pylint: disable=too-few-public-methods
+
+
+class IDiscoverer(ABC):
+
+    def __init__(self):
+        pass
+
+    @abstractmethod
+    def find_peers(self, service):
+        """
+        Find peers on the networking providing a particular service
+        :param service: service that peers must provide
+        :return: PeerInfo generator that yields PeerInfo objects for discovered peers
+        :raise Exception: network error
+        """

libp2p/exceptions.py

@@ -1,16 +0,0 @@
-class BaseLibp2pError(Exception):
-    pass
-
-
-class ValidationError(BaseLibp2pError):
-    """Raised when something does not pass a validation check."""
-
-
-class ParseError(BaseLibp2pError):
-    pass
-
-
-class MultiError(BaseLibp2pError):
-    """Raised with multiple exceptions."""
-
-    # todo: find some way for this to fancy-print all encapsulated errors

libp2p/host/basic_host.py

@@ -1,195 +1,90 @@
-import logging
-from typing import TYPE_CHECKING, AsyncIterator, List, Sequence
-
-from async_generator import asynccontextmanager
-from async_service import background_trio_service
 import multiaddr
 
-from libp2p.crypto.keys import PrivateKey, PublicKey
-from libp2p.host.defaults import get_default_protocols
-from libp2p.host.exceptions import StreamFailure
-from libp2p.network.network_interface import INetworkService
-from libp2p.network.stream.net_stream_interface import INetStream
-from libp2p.peer.id import ID
-from libp2p.peer.peerinfo import PeerInfo
-from libp2p.peer.peerstore_interface import IPeerStore
-from libp2p.protocol_muxer.exceptions import MultiselectClientError, MultiselectError
-from libp2p.protocol_muxer.multiselect import Multiselect
-from libp2p.protocol_muxer.multiselect_client import MultiselectClient
-from libp2p.protocol_muxer.multiselect_communicator import MultiselectCommunicator
-from libp2p.typing import StreamHandlerFn, TProtocol
-
 from .host_interface import IHost
 
-if TYPE_CHECKING:
-    from collections import OrderedDict
-
 # Upon host creation, host takes in options,
 # including the list of addresses on which to listen.
 # Host then parses these options and delegates to its Network instance,
 # telling it to listen on the given listen addresses.
 
 
-logger = logging.getLogger("libp2p.network.basic_host")
-
-
 class BasicHost(IHost):
-    """
-    BasicHost is a wrapper of a `INetwork` implementation.
 
-    It performs protocol negotiation on a stream with multistream-select
-    right after a stream is initialized.
-    """
+    # default options constructor
+    def __init__(self, _network):
+        self.network = _network
+        self.peerstore = self.network.peerstore
 
-    _network: INetworkService
-    peerstore: IPeerStore
-
-    multiselect: Multiselect
-    multiselect_client: MultiselectClient
-
-    def __init__(
-        self,
-        network: INetworkService,
-        default_protocols: "OrderedDict[TProtocol, StreamHandlerFn]" = None,
-    ) -> None:
-        self._network = network
-        self._network.set_stream_handler(self._swarm_stream_handler)
-        self.peerstore = self._network.peerstore
-        # Protocol muxing
-        default_protocols = default_protocols or get_default_protocols(self)
-        self.multiselect = Multiselect(default_protocols)
-        self.multiselect_client = MultiselectClient()
-
-    def get_id(self) -> ID:
+    def get_id(self):
         """
         :return: peer_id of host
         """
-        return self._network.get_peer_id()
+        return self.network.get_peer_id()
 
-    def get_public_key(self) -> PublicKey:
-        return self.peerstore.pubkey(self.get_id())
-
-    def get_private_key(self) -> PrivateKey:
-        return self.peerstore.privkey(self.get_id())
-
-    def get_network(self) -> INetworkService:
+    def get_network(self):
         """
         :return: network instance of host
         """
-        return self._network
+        return self.network
 
-    def get_peerstore(self) -> IPeerStore:
+    def get_peerstore(self):
         """
         :return: peerstore of the host (same one as in its network instance)
         """
         return self.peerstore
 
-    def get_mux(self) -> Multiselect:
+    def get_mux(self):
         """
         :return: mux instance of host
         """
-        return self.multiselect
 
-    def get_addrs(self) -> List[multiaddr.Multiaddr]:
+    def get_addrs(self):
         """
-        :return: all the multiaddr addresses this host is listening to
+        :return: all the multiaddr addresses this host is listening too
         """
-        # TODO: We don't need "/p2p/{peer_id}" postfix actually.
-        p2p_part = multiaddr.Multiaddr(f"/p2p/{self.get_id()!s}")
+        p2p_part = multiaddr.Multiaddr('/p2p/{}'.format(self.get_id().pretty()))
 
-        addrs: List[multiaddr.Multiaddr] = []
-        for transport in self._network.listeners.values():
+        addrs = []
+        for transport in self.network.listeners.values():
             for addr in transport.get_addrs():
                 addrs.append(addr.encapsulate(p2p_part))
         return addrs
 
-    @asynccontextmanager
-    async def run(
-        self, listen_addrs: Sequence[multiaddr.Multiaddr]
-    ) -> AsyncIterator[None]:
+    def set_stream_handler(self, protocol_id, stream_handler):
         """
-        run the host instance and listen to ``listen_addrs``.
-
-        :param listen_addrs: a sequence of multiaddrs that we want to listen to
-        """
-        network = self.get_network()
-        async with background_trio_service(network):
-            await network.listen(*listen_addrs)
-            yield
-
-    def set_stream_handler(
-        self, protocol_id: TProtocol, stream_handler: StreamHandlerFn
-    ) -> None:
-        """
-        set stream handler for given `protocol_id`
-
+        set stream handler for host
         :param protocol_id: protocol id used on stream
         :param stream_handler: a stream handler function
+        :return: true if successful
         """
-        self.multiselect.add_handler(protocol_id, stream_handler)
+        return self.network.set_stream_handler(protocol_id, stream_handler)
 
-    async def new_stream(
-        self, peer_id: ID, protocol_ids: Sequence[TProtocol]
-    ) -> INetStream:
+    # protocol_id can be a list of protocol_ids
+    # stream will decide which protocol_id to run on
+    async def new_stream(self, peer_id, protocol_ids):
         """
         :param peer_id: peer_id that host is connecting
-        :param protocol_ids: available protocol ids to use for stream
-        :return: stream: new stream created
+        :param protocol_id: protocol id that stream runs on
+        :return: true if successful
         """
+        stream = await self.network.new_stream(peer_id, protocol_ids)
+        return stream
 
-        net_stream = await self._network.new_stream(peer_id)
-
-        # Perform protocol muxing to determine protocol to use
-        try:
-            selected_protocol = await self.multiselect_client.select_one_of(
-                list(protocol_ids), MultiselectCommunicator(net_stream)
-            )
-        except MultiselectClientError as error:
-            logger.debug("fail to open a stream to peer %s, error=%s", peer_id, error)
-            await net_stream.reset()
-            raise StreamFailure(f"failed to open a stream to peer {peer_id}") from error
-
-        net_stream.set_protocol(selected_protocol)
-        return net_stream
-
-    async def connect(self, peer_info: PeerInfo) -> None:
+    async def connect(self, peer_info):
         """
-        connect ensures there is a connection between this host and the peer
-        with given `peer_info.peer_id`. connect will absorb the addresses in
-        peer_info into its internal peerstore. If there is not an active
-        connection, connect will issue a dial, and block until a connection is
-        opened, or an error is returned.
+        connect ensures there is a connection between this host and the peer with
+        given peer_info.peer_id. connect will absorb the addresses in peer_info into its internal
+        peerstore. If there is not an active connection, connect will issue a
+        dial, and block until a connection is open, or an error is
+        returned.
 
-        :param peer_info: peer_info of the peer we want to connect to
+        :param peer_info: peer_info of the host we want to connect to
         :type peer_info: peer.peerinfo.PeerInfo
         """
         self.peerstore.add_addrs(peer_info.peer_id, peer_info.addrs, 10)
 
         # there is already a connection to this peer
-        if peer_info.peer_id in self._network.connections:
+        if peer_info.peer_id in self.network.connections:
             return
 
-        await self._network.dial_peer(peer_info.peer_id)
-
-    async def disconnect(self, peer_id: ID) -> None:
-        await self._network.close_peer(peer_id)
-
-    async def close(self) -> None:
-        await self._network.close()
-
-    # Reference: `BasicHost.newStreamHandler` in Go.
-    async def _swarm_stream_handler(self, net_stream: INetStream) -> None:
-        # Perform protocol muxing to determine protocol to use
-        try:
-            protocol, handler = await self.multiselect.negotiate(
-                MultiselectCommunicator(net_stream)
-            )
-        except MultiselectError as error:
-            peer_id = net_stream.muxed_conn.peer_id
-            logger.debug(
-                "failed to accept a stream from peer %s, error=%s", peer_id, error
-            )
-            await net_stream.reset()
-            return
-        net_stream.set_protocol(protocol)
-        await handler(net_stream)
+        await self.network.dial_peer(peer_info.peer_id)

libp2p/host/defaults.py

@@ -1,17 +0,0 @@
-from collections import OrderedDict
-from typing import TYPE_CHECKING
-
-from libp2p.host.host_interface import IHost
-from libp2p.host.ping import ID as PingID
-from libp2p.host.ping import handle_ping
-from libp2p.identity.identify.protocol import ID as IdentifyID
-from libp2p.identity.identify.protocol import identify_handler_for
-
-if TYPE_CHECKING:
-    from libp2p.typing import TProtocol, StreamHandlerFn
-
-
-def get_default_protocols(host: IHost) -> "OrderedDict[TProtocol, StreamHandlerFn]":
-    return OrderedDict(
-        ((IdentifyID, identify_handler_for(host)), (PingID, handle_ping))
-    )

libp2p/host/exceptions.py

@@ -1,13 +0,0 @@
-from libp2p.exceptions import BaseLibp2pError
-
-
-class HostException(BaseLibp2pError):
-    """A generic exception  in `IHost`."""
-
-
-class ConnectionFailure(HostException):
-    pass
-
-
-class StreamFailure(HostException):
-    pass

libp2p/host/host_interface.py

@@ -1,104 +1,60 @@
 from abc import ABC, abstractmethod
-from typing import Any, AsyncContextManager, List, Sequence
-
-import multiaddr
-
-from libp2p.crypto.keys import PrivateKey, PublicKey
-from libp2p.network.network_interface import INetworkService
-from libp2p.network.stream.net_stream_interface import INetStream
-from libp2p.peer.id import ID
-from libp2p.peer.peerinfo import PeerInfo
-from libp2p.typing import StreamHandlerFn, TProtocol
 
 
 class IHost(ABC):
+
     @abstractmethod
-    def get_id(self) -> ID:
+    def get_id(self):
         """
         :return: peer_id of host
         """
 
     @abstractmethod
-    def get_public_key(self) -> PublicKey:
-        """
-        :return: the public key belonging to the peer
-        """
-
-    @abstractmethod
-    def get_private_key(self) -> PrivateKey:
-        """
-        :return: the private key belonging to the peer
-        """
-
-    @abstractmethod
-    def get_network(self) -> INetworkService:
+    def get_network(self):
         """
         :return: network instance of host
         """
 
-    # FIXME: Replace with correct return type
     @abstractmethod
-    def get_mux(self) -> Any:
+    def get_mux(self):
         """
         :return: mux instance of host
         """
 
     @abstractmethod
-    def get_addrs(self) -> List[multiaddr.Multiaddr]:
+    def get_addrs(self):
         """
-        :return: all the multiaddr addresses this host is listening to
+        :return: all the multiaddr addresses this host is listening too
         """
 
     @abstractmethod
-    def run(
-        self, listen_addrs: Sequence[multiaddr.Multiaddr]
-    ) -> AsyncContextManager[None]:
+    def set_stream_handler(self, protocol_id, stream_handler):
         """
-        run the host instance and listen to ``listen_addrs``.
-
-        :param listen_addrs: a sequence of multiaddrs that we want to listen to
-        """
-
-    @abstractmethod
-    def set_stream_handler(
-        self, protocol_id: TProtocol, stream_handler: StreamHandlerFn
-    ) -> None:
-        """
-        set stream handler for host.
-
+        set stream handler for host
         :param protocol_id: protocol id used on stream
         :param stream_handler: a stream handler function
+        :return: true if successful
         """
 
     # protocol_id can be a list of protocol_ids
     # stream will decide which protocol_id to run on
     @abstractmethod
-    async def new_stream(
-        self, peer_id: ID, protocol_ids: Sequence[TProtocol]
-    ) -> INetStream:
+    def new_stream(self, peer_id, protocol_ids):
         """
         :param peer_id: peer_id that host is connecting
-        :param protocol_ids: available protocol ids to use for stream
-        :return: stream: new stream created
+        :param protocol_ids: protocol ids that stream can run on
+        :return: true if successful
         """
 
     @abstractmethod
-    async def connect(self, peer_info: PeerInfo) -> None:
+    def connect(self, peer_info):
         """
-        connect ensures there is a connection between this host and the peer
-        with given peer_info.peer_id. connect will absorb the addresses in
-        peer_info into its internal peerstore. If there is not an active
-        connection, connect will issue a dial, and block until a connection is
-        opened, or an error is returned.
+        connect ensures there is a connection between this host and the peer with
+        given peer_info.peer_id. connect will absorb the addresses in peer_info into its internal
+        peerstore. If there is not an active connection, connect will issue a
+        dial, and block until a connection is open, or an error is
+        returned.
 
-        :param peer_info: peer_info of the peer we want to connect to
+        :param peer_info: peer_info of the host we want to connect to
         :type peer_info: peer.peerinfo.PeerInfo
         """
-
-    @abstractmethod
-    async def disconnect(self, peer_id: ID) -> None:
-        pass
-
-    @abstractmethod
-    async def close(self) -> None:
-        pass

libp2p/host/ping.py

@@ -1,60 +0,0 @@
-import logging
-
-import trio
-
-from libp2p.network.stream.exceptions import StreamClosed, StreamEOF, StreamReset
-from libp2p.network.stream.net_stream_interface import INetStream
-from libp2p.peer.id import ID as PeerID
-from libp2p.typing import TProtocol
-
-ID = TProtocol("/ipfs/ping/1.0.0")
-PING_LENGTH = 32
-RESP_TIMEOUT = 60
-
-logger = logging.getLogger("libp2p.host.ping")
-
-
-async def _handle_ping(stream: INetStream, peer_id: PeerID) -> bool:
-    """Return a boolean indicating if we expect more pings from the peer at
-    ``peer_id``."""
-    try:
-        with trio.fail_after(RESP_TIMEOUT):
-            payload = await stream.read(PING_LENGTH)
-    except trio.TooSlowError as error:
-        logger.debug("Timed out waiting for ping from %s: %s", peer_id, error)
-        raise
-    except StreamEOF:
-        logger.debug("Other side closed while waiting for ping from %s", peer_id)
-        return False
-    except StreamReset as error:
-        logger.debug(
-            "Other side reset while waiting for ping from %s: %s", peer_id, error
-        )
-        raise
-    except Exception as error:
-        logger.debug("Error while waiting to read ping for %s: %s", peer_id, error)
-        raise
-
-    logger.debug("Received ping from %s with data: 0x%s", peer_id, payload.hex())
-
-    try:
-        await stream.write(payload)
-    except StreamClosed:
-        logger.debug("Fail to respond to ping from %s: stream closed", peer_id)
-        raise
-    return True
-
-
-async def handle_ping(stream: INetStream) -> None:
-    """``handle_ping`` responds to incoming ping requests until one side errors
-    or closes the ``stream``."""
-    peer_id = stream.muxed_conn.peer_id
-
-    while True:
-        try:
-            should_continue = await _handle_ping(stream, peer_id)
-            if not should_continue:
-                return
-        except Exception:
-            await stream.reset()
-            return

libp2p/host/routed_host.py

@@ -1,41 +0,0 @@
-from libp2p.host.basic_host import BasicHost
-from libp2p.host.exceptions import ConnectionFailure
-from libp2p.network.network_interface import INetworkService
-from libp2p.peer.peerinfo import PeerInfo
-from libp2p.routing.interfaces import IPeerRouting
-
-
-# RoutedHost is a p2p Host that includes a routing system.
-# This allows the Host to find the addresses for peers when it does not have them.
-class RoutedHost(BasicHost):
-    _router: IPeerRouting
-
-    def __init__(self, network: INetworkService, router: IPeerRouting):
-        super().__init__(network)
-        self._router = router
-
-    async def connect(self, peer_info: PeerInfo) -> None:
-        """
-        connect ensures there is a connection between this host and the peer
-        with given `peer_info.peer_id`. See (basic_host).connect for more
-        information.
-
-        RoutedHost's Connect differs in that if the host has no addresses for a
-        given peer, it will use its routing system to try to find some.
-
-        :param peer_info: peer_info of the peer we want to connect to
-        :type peer_info: peer.peerinfo.PeerInfo
-        """
-        # check if we were given some addresses, otherwise, find some with the routing system.
-        if not peer_info.addrs:
-            found_peer_info = await self._router.find_peer(peer_info.peer_id)
-            if not found_peer_info:
-                raise ConnectionFailure("Unable to find Peer address")
-            self.peerstore.add_addrs(peer_info.peer_id, found_peer_info.addrs, 10)
-        self.peerstore.add_addrs(peer_info.peer_id, peer_info.addrs, 10)
-
-        # there is already a connection to this peer
-        if peer_info.peer_id in self._network.connections:
-            return
-
-        await self._network.dial_peer(peer_info.peer_id)

libp2p/identity/identify/pb/identify.proto

@@ -1,12 +0,0 @@
-syntax = "proto2";
-
-package identify.pb;
-
-message Identify {
-  optional string protocol_version = 5;
-  optional string agent_version = 6;
-  optional bytes public_key = 1;
-  repeated bytes listen_addrs = 2;
-  optional bytes observed_addr = 4;
-  repeated string protocols = 3;
-}

libp2p/identity/identify/pb/identify_pb2.py

@@ -1,105 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: libp2p/identity/identify/pb/identify.proto
-
-import sys
-_b=sys.version_info[0]<3 and (lambda x:x) or (lambda x:x.encode('latin1'))
-from google.protobuf import descriptor as _descriptor
-from google.protobuf import message as _message
-from google.protobuf import reflection as _reflection
-from google.protobuf import symbol_database as _symbol_database
-# @@protoc_insertion_point(imports)
-
-_sym_db = _symbol_database.Default()
-
-
-
-
-DESCRIPTOR = _descriptor.FileDescriptor(
-  name='libp2p/identity/identify/pb/identify.proto',
-  package='identify.pb',
-  syntax='proto2',
-  serialized_options=None,
-  serialized_pb=_b('\n*libp2p/identity/identify/pb/identify.proto\x12\x0bidentify.pb\"\x8f\x01\n\x08Identify\x12\x18\n\x10protocol_version\x18\x05 \x01(\t\x12\x15\n\ragent_version\x18\x06 \x01(\t\x12\x12\n\npublic_key\x18\x01 \x01(\x0c\x12\x14\n\x0clisten_addrs\x18\x02 \x03(\x0c\x12\x15\n\robserved_addr\x18\x04 \x01(\x0c\x12\x11\n\tprotocols\x18\x03 \x03(\t')
-)
-
-
-
-
-_IDENTIFY = _descriptor.Descriptor(
-  name='Identify',
-  full_name='identify.pb.Identify',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='protocol_version', full_name='identify.pb.Identify.protocol_version', index=0,
-      number=5, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=_b("").decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
-    _descriptor.FieldDescriptor(
-      name='agent_version', full_name='identify.pb.Identify.agent_version', index=1,
-      number=6, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=_b("").decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
-    _descriptor.FieldDescriptor(
-      name='public_key', full_name='identify.pb.Identify.public_key', index=2,
-      number=1, type=12, cpp_type=9, label=1,
-      has_default_value=False, default_value=_b(""),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
-    _descriptor.FieldDescriptor(
-      name='listen_addrs', full_name='identify.pb.Identify.listen_addrs', index=3,
-      number=2, type=12, cpp_type=9, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
-    _descriptor.FieldDescriptor(
-      name='observed_addr', full_name='identify.pb.Identify.observed_addr', index=4,
-      number=4, type=12, cpp_type=9, label=1,
-      has_default_value=False, default_value=_b(""),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
-    _descriptor.FieldDescriptor(
-      name='protocols', full_name='identify.pb.Identify.protocols', index=5,
-      number=3, type=9, cpp_type=9, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto2',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=60,
-  serialized_end=203,
-)
-
-DESCRIPTOR.message_types_by_name['Identify'] = _IDENTIFY
-_sym_db.RegisterFileDescriptor(DESCRIPTOR)
-
-Identify = _reflection.GeneratedProtocolMessageType('Identify', (_message.Message,), {
-  'DESCRIPTOR' : _IDENTIFY,
-  '__module__' : 'libp2p.identity.identify.pb.identify_pb2'
-  # @@protoc_insertion_point(class_scope:identify.pb.Identify)
-  })
-_sym_db.RegisterMessage(Identify)
-
-
-# @@protoc_insertion_point(module_scope)

libp2p/identity/identify/pb/identify_pb2.pyi

@@ -1,53 +0,0 @@
-# @generated by generate_proto_mypy_stubs.py.  Do not edit!
-import sys
-from google.protobuf.descriptor import (
-    Descriptor as google___protobuf___descriptor___Descriptor,
-)
-
-from google.protobuf.internal.containers import (
-    RepeatedScalarFieldContainer as google___protobuf___internal___containers___RepeatedScalarFieldContainer,
-)
-
-from google.protobuf.message import (
-    Message as google___protobuf___message___Message,
-)
-
-from typing import (
-    Iterable as typing___Iterable,
-    Optional as typing___Optional,
-    Text as typing___Text,
-)
-
-from typing_extensions import (
-    Literal as typing_extensions___Literal,
-)
-
-
-class Identify(google___protobuf___message___Message):
-    DESCRIPTOR: google___protobuf___descriptor___Descriptor = ...
-    protocol_version = ... # type: typing___Text
-    agent_version = ... # type: typing___Text
-    public_key = ... # type: bytes
-    listen_addrs = ... # type: google___protobuf___internal___containers___RepeatedScalarFieldContainer[bytes]
-    observed_addr = ... # type: bytes
-    protocols = ... # type: google___protobuf___internal___containers___RepeatedScalarFieldContainer[typing___Text]
-
-    def __init__(self,
-        *,
-        protocol_version : typing___Optional[typing___Text] = None,
-        agent_version : typing___Optional[typing___Text] = None,
-        public_key : typing___Optional[bytes] = None,
-        listen_addrs : typing___Optional[typing___Iterable[bytes]] = None,
-        observed_addr : typing___Optional[bytes] = None,
-        protocols : typing___Optional[typing___Iterable[typing___Text]] = None,
-        ) -> None: ...
-    @classmethod
-    def FromString(cls, s: bytes) -> Identify: ...
-    def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
-    def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
-    if sys.version_info >= (3,):
-        def HasField(self, field_name: typing_extensions___Literal[u"agent_version",u"observed_addr",u"protocol_version",u"public_key"]) -> bool: ...
-        def ClearField(self, field_name: typing_extensions___Literal[u"agent_version",u"listen_addrs",u"observed_addr",u"protocol_version",u"protocols",u"public_key"]) -> None: ...
-    else:
-        def HasField(self, field_name: typing_extensions___Literal[u"agent_version",b"agent_version",u"observed_addr",b"observed_addr",u"protocol_version",b"protocol_version",u"public_key",b"public_key"]) -> bool: ...
-        def ClearField(self, field_name: typing_extensions___Literal[u"agent_version",b"agent_version",u"listen_addrs",b"listen_addrs",u"observed_addr",b"observed_addr",u"protocol_version",b"protocol_version",u"protocols",b"protocols",u"public_key",b"public_key"]) -> None: ...

libp2p/identity/identify/protocol.py

@@ -1,55 +0,0 @@
-import logging
-
-from multiaddr import Multiaddr
-
-from libp2p.host.host_interface import IHost
-from libp2p.network.stream.exceptions import StreamClosed
-from libp2p.network.stream.net_stream_interface import INetStream
-from libp2p.typing import StreamHandlerFn, TProtocol
-
-from .pb.identify_pb2 import Identify
-
-ID = TProtocol("/ipfs/id/1.0.0")
-PROTOCOL_VERSION = "ipfs/0.1.0"
-# TODO dynamically generate the agent version
-AGENT_VERSION = "py-libp2p/alpha"
-logger = logging.getLogger("libp2p.identity.identify")
-
-
-def _multiaddr_to_bytes(maddr: Multiaddr) -> bytes:
-    return maddr.to_bytes()
-
-
-def _mk_identify_protobuf(host: IHost) -> Identify:
-    public_key = host.get_public_key()
-    laddrs = host.get_addrs()
-    protocols = host.get_mux().get_protocols()
-
-    return Identify(
-        protocol_version=PROTOCOL_VERSION,
-        agent_version=AGENT_VERSION,
-        public_key=public_key.serialize(),
-        listen_addrs=map(_multiaddr_to_bytes, laddrs),
-        # TODO send observed address from ``stream``
-        observed_addr=b"",
-        protocols=protocols,
-    )
-
-
-def identify_handler_for(host: IHost) -> StreamHandlerFn:
-    async def handle_identify(stream: INetStream) -> None:
-        peer_id = stream.muxed_conn.peer_id
-        logger.debug("received a request for %s from %s", ID, peer_id)
-
-        protobuf = _mk_identify_protobuf(host)
-        response = protobuf.SerializeToString()
-
-        try:
-            await stream.write(response)
-        except StreamClosed:
-            logger.debug("Fail to respond to %s request: stream closed", ID)
-        else:
-            await stream.close()
-            logger.debug("successfully handled request for %s from %s", ID, peer_id)
-
-    return handle_identify

libp2p/io/abc.py

@@ -1,65 +0,0 @@
-from abc import ABC, abstractmethod
-
-
-class Closer(ABC):
-    @abstractmethod
-    async def close(self) -> None:
-        ...
-
-
-class Reader(ABC):
-    @abstractmethod
-    async def read(self, n: int = None) -> bytes:
-        ...
-
-
-class Writer(ABC):
-    @abstractmethod
-    async def write(self, data: bytes) -> None:
-        ...
-
-
-class WriteCloser(Writer, Closer):
-    pass
-
-
-class ReadCloser(Reader, Closer):
-    pass
-
-
-class ReadWriter(Reader, Writer):
-    pass
-
-
-class ReadWriteCloser(Reader, Writer, Closer):
-    pass
-
-
-class MsgReader(ABC):
-    @abstractmethod
-    async def read_msg(self) -> bytes:
-        ...
-
-
-class MsgWriter(ABC):
-    @abstractmethod
-    async def write_msg(self, msg: bytes) -> None:
-        ...
-
-
-class MsgReadWriteCloser(MsgReader, MsgWriter, Closer):
-    pass
-
-
-class Encrypter(ABC):
-    @abstractmethod
-    def encrypt(self, data: bytes) -> bytes:
-        ...
-
-    @abstractmethod
-    def decrypt(self, data: bytes) -> bytes:
-        ...
-
-
-class EncryptedMsgReadWriter(MsgReadWriteCloser, Encrypter):
-    """Read/write message with encryption/decryption."""

libp2p/io/exceptions.py

@@ -1,29 +0,0 @@
-from libp2p.exceptions import BaseLibp2pError
-
-
-class IOException(BaseLibp2pError):
-    pass
-
-
-class IncompleteReadError(IOException):
-    """Fewer bytes were read than requested."""
-
-
-class MsgioException(IOException):
-    pass
-
-
-class MissingLengthException(MsgioException):
-    pass
-
-
-class MissingMessageException(MsgioException):
-    pass
-
-
-class DecryptionFailedException(MsgioException):
-    pass
-
-
-class MessageTooLarge(MsgioException):
-    pass

libp2p/io/msgio.py

@@ -1,89 +0,0 @@
-"""
-``msgio`` is an implementation of `https://github.com/libp2p/go-msgio`.
-
-from that repo: "a simple package to r/w length-delimited slices."
-
-NOTE: currently missing the capability to indicate lengths by "varint" method.
-"""
-from abc import abstractmethod
-
-from libp2p.io.abc import MsgReadWriteCloser, Reader, ReadWriteCloser
-from libp2p.io.utils import read_exactly
-from libp2p.utils import decode_uvarint_from_stream, encode_varint_prefixed
-
-from .exceptions import MessageTooLarge
-
-BYTE_ORDER = "big"
-
-
-async def read_length(reader: Reader, size_len_bytes: int) -> int:
-    length_bytes = await read_exactly(reader, size_len_bytes)
-    return int.from_bytes(length_bytes, byteorder=BYTE_ORDER)
-
-
-def encode_msg_with_length(msg_bytes: bytes, size_len_bytes: int) -> bytes:
-    try:
-        len_prefix = len(msg_bytes).to_bytes(size_len_bytes, byteorder=BYTE_ORDER)
-    except OverflowError:
-        raise ValueError(
-            "msg_bytes is too large for `size_len_bytes` bytes length: "
-            f"msg_bytes={msg_bytes!r}, size_len_bytes={size_len_bytes}"
-        )
-    return len_prefix + msg_bytes
-
-
-class BaseMsgReadWriter(MsgReadWriteCloser):
-    read_write_closer: ReadWriteCloser
-    size_len_bytes: int
-
-    def __init__(self, read_write_closer: ReadWriteCloser) -> None:
-        self.read_write_closer = read_write_closer
-
-    async def read_msg(self) -> bytes:
-        length = await self.next_msg_len()
-        return await read_exactly(self.read_write_closer, length)
-
-    @abstractmethod
-    async def next_msg_len(self) -> int:
-        ...
-
-    @abstractmethod
-    def encode_msg(self, msg: bytes) -> bytes:
-        ...
-
-    async def close(self) -> None:
-        await self.read_write_closer.close()
-
-    async def write_msg(self, msg: bytes) -> None:
-        encoded_msg = self.encode_msg(msg)
-        await self.read_write_closer.write(encoded_msg)
-
-
-class FixedSizeLenMsgReadWriter(BaseMsgReadWriter):
-    size_len_bytes: int
-
-    async def next_msg_len(self) -> int:
-        return await read_length(self.read_write_closer, self.size_len_bytes)
-
-    def encode_msg(self, msg: bytes) -> bytes:
-        return encode_msg_with_length(msg, self.size_len_bytes)
-
-
-class VarIntLengthMsgReadWriter(BaseMsgReadWriter):
-    max_msg_size: int
-
-    async def next_msg_len(self) -> int:
-        msg_len = await decode_uvarint_from_stream(self.read_write_closer)
-        if msg_len > self.max_msg_size:
-            raise MessageTooLarge(
-                f"msg_len={msg_len} > max_msg_size={self.max_msg_size}"
-            )
-        return msg_len
-
-    def encode_msg(self, msg: bytes) -> bytes:
-        msg_len = len(msg)
-        if msg_len > self.max_msg_size:
-            raise MessageTooLarge(
-                f"msg_len={msg_len} > max_msg_size={self.max_msg_size}"
-            )
-        return encode_varint_prefixed(msg)

libp2p/io/trio.py

@@ -1,40 +0,0 @@
-import logging
-
-import trio
-
-from libp2p.io.abc import ReadWriteCloser
-from libp2p.io.exceptions import IOException
-
-logger = logging.getLogger("libp2p.io.trio")
-
-
-class TrioTCPStream(ReadWriteCloser):
-    stream: trio.SocketStream
-    # NOTE: Add both read and write lock to avoid `trio.BusyResourceError`
-    read_lock: trio.Lock
-    write_lock: trio.Lock
-
-    def __init__(self, stream: trio.SocketStream) -> None:
-        self.stream = stream
-        self.read_lock = trio.Lock()
-        self.write_lock = trio.Lock()
-
-    async def write(self, data: bytes) -> None:
-        """Raise `RawConnError` if the underlying connection breaks."""
-        async with self.write_lock:
-            try:
-                await self.stream.send_all(data)
-            except (trio.ClosedResourceError, trio.BrokenResourceError) as error:
-                raise IOException from error
-
-    async def read(self, n: int = None) -> bytes:
-        async with self.read_lock:
-            if n is not None and n == 0:
-                return b""
-            try:
-                return await self.stream.receive_some(n)
-            except (trio.ClosedResourceError, trio.BrokenResourceError) as error:
-                raise IOException from error
-
-    async def close(self) -> None:
-        await self.stream.aclose()

libp2p/io/utils.py

@@ -1,21 +0,0 @@
-from libp2p.io.abc import Reader
-from libp2p.io.exceptions import IncompleteReadError
-
-DEFAULT_RETRY_READ_COUNT = 100
-
-
-async def read_exactly(
-    reader: Reader, n: int, retry_count: int = DEFAULT_RETRY_READ_COUNT
-) -> bytes:
-    """
-    NOTE: relying on exceptions to break out on erroneous conditions, like EOF
-    """
-    data = await reader.read(n)
-
-    for _ in range(retry_count):
-        if len(data) < n:
-            remaining = n - len(data)
-            data += await reader.read(remaining)
-        else:
-            return data
-    raise IncompleteReadError({"requested_count": n, "received_count": len(data)})

libp2p/kademlia/__init__.py

@@ -0,0 +1,5 @@
+"""
+Kademlia is a Python implementation of the Kademlia protocol which
+utilizes the asyncio library.
+"""
+__version__ = "1.1"

libp2p/kademlia/crawling.py

@@ -0,0 +1,181 @@
+from collections import Counter
+import logging
+
+from .kademlia.node import Node, NodeHeap
+from .kademlia.utils import gather_dict
+
+log = logging.getLogger(__name__)
+
+
+class SpiderCrawl:
+    """
+    Crawl the network and look for given 160-bit keys.
+    """
+    def __init__(self, protocol, node, peers, ksize, alpha):
+        """
+        Create a new C{SpiderCrawl}er.
+
+        Args:
+            protocol: A :class:`~kademlia.protocol.KademliaProtocol` instance.
+            node: A :class:`~kademlia.node.Node` representing the key we're
+                  looking for
+            peers: A list of :class:`~kademlia.node.Node` instances that
+                   provide the entry point for the network
+            ksize: The value for k based on the paper
+            alpha: The value for alpha based on the paper
+        """
+        self.protocol = protocol
+        self.ksize = ksize
+        self.alpha = alpha
+        self.node = node
+        self.nearest = NodeHeap(self.node, self.ksize)
+        self.lastIDsCrawled = []
+        log.info("creating spider with peers: %s", peers)
+        self.nearest.push(peers)
+
+    async def _find(self, rpcmethod):
+        """
+        Get either a value or list of nodes.
+
+        Args:
+            rpcmethod: The protocol's callfindValue or callFindNode.
+
+        The process:
+          1. calls find_* to current ALPHA nearest not already queried nodes,
+             adding results to current nearest list of k nodes.
+          2. current nearest list needs to keep track of who has been queried
+             already sort by nearest, keep KSIZE
+          3. if list is same as last time, next call should be to everyone not
+             yet queried
+          4. repeat, unless nearest list has all been queried, then ur done
+        """
+        log.info("crawling network with nearest: %s", str(tuple(self.nearest)))
+        count = self.alpha
+        if self.nearest.getIDs() == self.lastIDsCrawled:
+            count = len(self.nearest)
+        self.lastIDsCrawled = self.nearest.getIDs()
+
+        ds = {}
+        for peer in self.nearest.getUncontacted()[:count]:
+            ds[peer.id] = rpcmethod(peer, self.node)
+            self.nearest.markContacted(peer)
+        found = await gather_dict(ds)
+        return await self._nodesFound(found)
+
+    async def _nodesFound(self, responses):
+        raise NotImplementedError
+
+
+class ValueSpiderCrawl(SpiderCrawl):
+    def __init__(self, protocol, node, peers, ksize, alpha):
+        SpiderCrawl.__init__(self, protocol, node, peers, ksize, alpha)
+        # keep track of the single nearest node without value - per
+        # section 2.3 so we can set the key there if found
+        self.nearestWithoutValue = NodeHeap(self.node, 1)
+
+    async def find(self):
+        """
+        Find either the closest nodes or the value requested.
+        """
+        return await self._find(self.protocol.callFindValue)
+
+    async def _nodesFound(self, responses):
+        """
+        Handle the result of an iteration in _find.
+        """
+        toremove = []
+        foundValues = []
+        for peerid, response in responses.items():
+            response = RPCFindResponse(response)
+            if not response.happened():
+                toremove.append(peerid)
+            elif response.hasValue():
+                foundValues.append(response.getValue())
+            else:
+                peer = self.nearest.getNodeById(peerid)
+                self.nearestWithoutValue.push(peer)
+                self.nearest.push(response.getNodeList())
+        self.nearest.remove(toremove)
+
+        if len(foundValues) > 0:
+            return await self._handleFoundValues(foundValues)
+        if self.nearest.allBeenContacted():
+            # not found!
+            return None
+        return await self.find()
+
+    async def _handleFoundValues(self, values):
+        """
+        We got some values!  Exciting.  But let's make sure
+        they're all the same or freak out a little bit.  Also,
+        make sure we tell the nearest node that *didn't* have
+        the value to store it.
+        """
+        valueCounts = Counter(values)
+        if len(valueCounts) != 1:
+            log.warning("Got multiple values for key %i: %s",
+                        self.node.long_id, str(values))
+        value = valueCounts.most_common(1)[0][0]
+
+        peerToSaveTo = self.nearestWithoutValue.popleft()
+        if peerToSaveTo is not None:
+            await self.protocol.callStore(peerToSaveTo, self.node.id, value)
+        return value
+
+
+class NodeSpiderCrawl(SpiderCrawl):
+    async def find(self):
+        """
+        Find the closest nodes.
+        """
+        return await self._find(self.protocol.callFindNode)
+
+    async def _nodesFound(self, responses):
+        """
+        Handle the result of an iteration in _find.
+        """
+        toremove = []
+        for peerid, response in responses.items():
+            response = RPCFindResponse(response)
+            if not response.happened():
+                toremove.append(peerid)
+            else:
+                self.nearest.push(response.getNodeList())
+        self.nearest.remove(toremove)
+
+        if self.nearest.allBeenContacted():
+            return list(self.nearest)
+        return await self.find()
+
+
+class RPCFindResponse:
+    def __init__(self, response):
+        """
+        A wrapper for the result of a RPC find.
+
+        Args:
+            response: This will be a tuple of (<response received>, <value>)
+                      where <value> will be a list of tuples if not found or
+                      a dictionary of {'value': v} where v is the value desired
+        """
+        self.response = response
+
+    def happened(self):
+        """
+        Did the other host actually respond?
+        """
+        return self.response[0]
+
+    def hasValue(self):
+        return isinstance(self.response[1], dict)
+
+    def getValue(self):
+        return self.response[1]['value']
+
+    def getNodeList(self):
+        """
+        Get the node list in the response.  If there's no value, this should
+        be set.
+        """
+        nodelist = self.response[1] or []
+        return [Node(*nodeple) for nodeple in nodelist]

libp2p/kademlia/network.py

@@ -0,0 +1,258 @@
+"""
+Package for interacting on the network at a high level.
+"""
+import random
+import pickle
+import asyncio
+import logging
+
+from .kademlia.protocol import KademliaProtocol
+from .kademlia.utils import digest
+from .kademlia.storage import ForgetfulStorage
+from .kademlia.node import Node
+from .kademlia.crawling import ValueSpiderCrawl
+from .kademlia.crawling import NodeSpiderCrawl
+
+log = logging.getLogger(__name__)
+
+
+class Server:
+    """
+    High level view of a node instance.  This is the object that should be
+    created to start listening as an active node on the network.
+    """
+
+    protocol_class = KademliaProtocol
+
+    def __init__(self, ksize=20, alpha=3, node_id=None, storage=None):
+        """
+        Create a server instance.  This will start listening on the given port.
+
+        Args:
+            ksize (int): The k parameter from the paper
+            alpha (int): The alpha parameter from the paper
+            node_id: The id for this node on the network.
+            storage: An instance that implements
+                     :interface:`~kademlia.storage.IStorage`
+        """
+        self.ksize = ksize
+        self.alpha = alpha
+        self.storage = storage or ForgetfulStorage()
+        self.node = Node(node_id or digest(random.getrandbits(255)))
+        self.transport = None
+        self.protocol = None
+        self.refresh_loop = None
+        self.save_state_loop = None
+
+    def stop(self):
+        if self.transport is not None:
+            self.transport.close()
+
+        if self.refresh_loop:
+            self.refresh_loop.cancel()
+
+        if self.save_state_loop:
+            self.save_state_loop.cancel()
+
+    def _create_protocol(self):
+        return self.protocol_class(self.node, self.storage, self.ksize)
+
+    def listen(self, port, interface='0.0.0.0'):
+        """
+        Start listening on the given port.
+
+        Provide interface="::" to accept ipv6 address
+        """
+        loop = asyncio.get_event_loop()
+        listen = loop.create_datagram_endpoint(self._create_protocol,
+                                               local_addr=(interface, port))
+        log.info("Node %i listening on %s:%i",
+                 self.node.long_id, interface, port)
+        self.transport, self.protocol = loop.run_until_complete(listen)
+        # finally, schedule refreshing table
+        self.refresh_table()
+
+    def refresh_table(self):
+        log.debug("Refreshing routing table")
+        asyncio.ensure_future(self._refresh_table())
+        loop = asyncio.get_event_loop()
+        self.refresh_loop = loop.call_later(3600, self.refresh_table)
+
+    async def _refresh_table(self):
+        """
+        Refresh buckets that haven't had any lookups in the last hour
+        (per section 2.3 of the paper).
+        """
+        ds = []
+        for node_id in self.protocol.getRefreshIDs():
+            node = Node(node_id)
+            nearest = self.protocol.router.findNeighbors(node, self.alpha)
+            spider = NodeSpiderCrawl(self.protocol, node, nearest,
+                                     self.ksize, self.alpha)
+            ds.append(spider.find())
+
+        # do our crawling
+        await asyncio.gather(*ds)
+
+        # now republish keys older than one hour
+        for dkey, value in self.storage.iteritemsOlderThan(3600):
+            await self.set_digest(dkey, value)
+
+    def bootstrappableNeighbors(self):
+        """
+        Get a :class:`list` of (ip, port) :class:`tuple` pairs suitable for
+        use as an argument to the bootstrap method.
+
+        The server should have been bootstrapped
+        already - this is just a utility for getting some neighbors and then
+        storing them if this server is going down for a while.  When it comes
+        back up, the list of nodes can be used to bootstrap.
+        """
+        neighbors = self.protocol.router.findNeighbors(self.node)
+        return [tuple(n)[-2:] for n in neighbors]
+
+    async def bootstrap(self, addrs):
+        """
+        Bootstrap the server by connecting to other known nodes in the network.
+
+        Args:
+            addrs: A `list` of (ip, port) `tuple` pairs.  Note that only IP
+                   addresses are acceptable - hostnames will cause an error.
+        """
+        log.debug("Attempting to bootstrap node with %i initial contacts",
+                  len(addrs))
+        cos = list(map(self.bootstrap_node, addrs))
+        gathered = await asyncio.gather(*cos)
+        nodes = [node for node in gathered if node is not None]
+        spider = NodeSpiderCrawl(self.protocol, self.node, nodes,
+                                 self.ksize, self.alpha)
+        return await spider.find()
+
+    async def bootstrap_node(self, addr):
+        result = await self.protocol.ping(addr, self.node.id)
+        return Node(result[1], addr[0], addr[1]) if result[0] else None
+
+    async def get(self, key):
+        """
+        Get a key if the network has it.
+
+        Returns:
+            :class:`None` if not found, the value otherwise.
+        """
+        log.info("Looking up key %s", key)
+        dkey = digest(key)
+        # if this node has it, return it
+        if self.storage.get(dkey) is not None:
+            return self.storage.get(dkey)
+        node = Node(dkey)
+        nearest = self.protocol.router.findNeighbors(node)
+        if len(nearest) == 0:
+            log.warning("There are no known neighbors to get key %s", key)
+            return None
+        spider = ValueSpiderCrawl(self.protocol, node, nearest,
+                                  self.ksize, self.alpha)
+        return await spider.find()
+
+    async def set(self, key, value):
+        """
+        Set the given string key to the given value in the network.
+        """
+        if not check_dht_value_type(value):
+            raise TypeError(
+                "Value must be of type int, float, bool, str, or bytes"
+            )
+        log.info("setting '%s' = '%s' on network", key, value)
+        dkey = digest(key)
+        return await self.set_digest(dkey, value)
+
+    async def set_digest(self, dkey, value):
+        """
+        Set the given SHA1 digest key (bytes) to the given value in the
+        network.
+        """
+        node = Node(dkey)
+
+        nearest = self.protocol.router.findNeighbors(node)
+        if len(nearest) == 0:
+            log.warning("There are no known neighbors to set key %s",
+                        dkey.hex())
+            return False
+
+        spider = NodeSpiderCrawl(self.protocol, node, nearest,
+                                 self.ksize, self.alpha)
+        nodes = await spider.find()
+        log.info("setting '%s' on %s", dkey.hex(), list(map(str, nodes)))
+
+        # if this node is close too, then store here as well
+        biggest = max([n.distanceTo(node) for n in nodes])
+        if self.node.distanceTo(node) < biggest:
+            self.storage[dkey] = value
+        ds = [self.protocol.callStore(n, dkey, value) for n in nodes]
+        # return true only if at least one store call succeeded
+        return any(await asyncio.gather(*ds))
+
+    def saveState(self, fname):
+        """
+        Save the state of this node (the alpha/ksize/id/immediate neighbors)
+        to a cache file with the given fname.
+        """
+        log.info("Saving state to %s", fname)
+        data = {
+            'ksize': self.ksize,
+            'alpha': self.alpha,
+            'id': self.node.id,
+            'neighbors': self.bootstrappableNeighbors()
+        }
+        if len(data['neighbors']) == 0:
+            log.warning("No known neighbors, so not writing to cache.")
+            return
+        with open(fname, 'wb') as f:
+            pickle.dump(data, f)
+
+    @classmethod
+    def loadState(self, fname):
+        """
+        Load the state of this node (the alpha/ksize/id/immediate neighbors)
+        from a cache file with the given fname.
+        """
+        log.info("Loading state from %s", fname)
+        with open(fname, 'rb') as f:
+            data = pickle.load(f)
+        s = Server(data['ksize'], data['alpha'], data['id'])
+        if len(data['neighbors']) > 0:
+            s.bootstrap(data['neighbors'])
+        return s
+
+    def saveStateRegularly(self, fname, frequency=600):
+        """
+        Save the state of node with a given regularity to the given
+        filename.
+
+        Args:
+            fname: File name to save retularly to
+            frequency: Frequency in seconds that the state should be saved.
+                        By default, 10 minutes.
+        """
+        self.saveState(fname)
+        loop = asyncio.get_event_loop()
+        self.save_state_loop = loop.call_later(frequency,
+                                               self.saveStateRegularly,
+                                               fname,
+                                               frequency)
+
+
+def check_dht_value_type(value):
+    """
+    Checks to see if the type of the value is a valid type for
+    placing in the dht.
+    """
+    typeset = set(
+        [
+            int,
+            float,
+            bool,
+            str,
+            bytes,
+        ]
+    )
+    return type(value) in typeset

libp2p/kademlia/node.py

@@ -0,0 +1,115 @@
+from operator import itemgetter
+import heapq
+
+
+class Node:
+    def __init__(self, node_id, ip=None, port=None):
+        self.id = node_id
+        self.ip = ip
+        self.port = port
+        self.long_id = int(node_id.hex(), 16)
+
+    def sameHomeAs(self, node):
+        return self.ip == node.ip and self.port == node.port
+
+    def distanceTo(self, node):
+        """
+        Get the distance between this node and another.
+        """
+        return self.long_id ^ node.long_id
+
+    def __iter__(self):
+        """
+        Enables use of Node as a tuple - i.e., tuple(node) works.
+        """
+        return iter([self.id, self.ip, self.port])
+
+    def __repr__(self):
+        return repr([self.long_id, self.ip, self.port])
+
+    def __str__(self):
+        return "%s:%s" % (self.ip, str(self.port))
+
+
+class NodeHeap:
+    """
+    A heap of nodes ordered by distance to a given node.
+    """
+    def __init__(self, node, maxsize):
+        """
+        Constructor.
+
+        @param node: The node to measure all distnaces from.
+        @param maxsize: The maximum size that this heap can grow to.
+        """
+        self.node = node
+        self.heap = []
+        self.contacted = set()
+        self.maxsize = maxsize
+
+    def remove(self, peerIDs):
+        """
+        Remove a list of peer ids from this heap.  Note that while this
+        heap retains a constant visible size (based on the iterator), it's
+        actual size may be quite a bit larger than what's exposed.  Therefore,
+        removal of nodes may not change the visible size as previously added
+        nodes suddenly become visible.
+        """
+        peerIDs = set(peerIDs)
+        if len(peerIDs) == 0:
+            return
+        nheap = []
+        for distance, node in self.heap:
+            if node.id not in peerIDs:
+                heapq.heappush(nheap, (distance, node))
+        self.heap = nheap
+
+    def getNodeById(self, node_id):
+        for _, node in self.heap:
+            if node.id == node_id:
+                return node
+        return None
+
+    def allBeenContacted(self):
+        return len(self.getUncontacted()) == 0
+
+    def getIDs(self):
+        return [n.id for n in self]
+
+    def markContacted(self, node):
+        self.contacted.add(node.id)
+
+    def popleft(self):
+        if len(self) > 0:
+            return heapq.heappop(self.heap)[1]
+        return None
+
+    def push(self, nodes):
+        """
+        Push nodes onto heap.
+
+        @param nodes: This can be a single item or a C{list}.
+        """
+        if not isinstance(nodes, list):
+            nodes = [nodes]
+
+        for node in nodes:
+            if node not in self:
+                distance = self.node.distanceTo(node)
+                heapq.heappush(self.heap, (distance, node))
+
+    def __len__(self):
+        return min(len(self.heap), self.maxsize)
+
+    def __iter__(self):
+        nodes = heapq.nsmallest(self.maxsize, self.heap)
+        return iter(map(itemgetter(1), nodes))
+
+    def __contains__(self, node):
+        for _, n in self.heap:
+            if node.id == n.id:
+                return True
+        return False
+
+    def getUncontacted(self):
+        return [n for n in self if n.id not in self.contacted]

libp2p/kademlia/protocol.py

@@ -0,0 +1,128 @@
+import random
+import asyncio
+import logging
+
+from rpcudp.protocol import RPCProtocol
+
+from .kademlia.node import Node
+from .kademlia.routing import RoutingTable
+from .kademlia.utils import digest
+
+log = logging.getLogger(__name__)
+
+
+class KademliaProtocol(RPCProtocol):
+    def __init__(self, sourceNode, storage, ksize):
+        RPCProtocol.__init__(self)
+        self.router = RoutingTable(self, ksize, sourceNode)
+        self.storage = storage
+        self.sourceNode = sourceNode
+
+    def getRefreshIDs(self):
+        """
+        Get ids to search for to keep old buckets up to date.
+        """
+        ids = []
+        for bucket in self.router.getLonelyBuckets():
+            rid = random.randint(*bucket.range).to_bytes(20, byteorder='big')
+            ids.append(rid)
+        return ids
+
+    def rpc_stun(self, sender):
+        return sender
+
+    def rpc_ping(self, sender, nodeid):
+        source = Node(nodeid, sender[0], sender[1])
+        self.welcomeIfNewNode(source)
+        return self.sourceNode.id
+
+    def rpc_store(self, sender, nodeid, key, value):
+        source = Node(nodeid, sender[0], sender[1])
+        self.welcomeIfNewNode(source)
+        log.debug("got a store request from %s, storing '%s'='%s'",
+                  sender, key.hex(), value)
+        self.storage[key] = value
+        return True
+
+    def rpc_find_node(self, sender, nodeid, key):
+        log.info("finding neighbors of %i in local table",
+                 int(nodeid.hex(), 16))
+        source = Node(nodeid, sender[0], sender[1])
+        self.welcomeIfNewNode(source)
+        node = Node(key)
+        neighbors = self.router.findNeighbors(node, exclude=source)
+        return list(map(tuple, neighbors))
+
+    def rpc_find_value(self, sender, nodeid, key):
+        source = Node(nodeid, sender[0], sender[1])
+        self.welcomeIfNewNode(source)
+        value = self.storage.get(key, None)
+        if value is None:
+            return self.rpc_find_node(sender, nodeid, key)
+        return {'value': value}
+
+    async def callFindNode(self, nodeToAsk, nodeToFind):
+        address = (nodeToAsk.ip, nodeToAsk.port)
+        result = await self.find_node(address, self.sourceNode.id,
+                                      nodeToFind.id)
+        return self.handleCallResponse(result, nodeToAsk)
+
+    async def callFindValue(self, nodeToAsk, nodeToFind):
+        address = (nodeToAsk.ip, nodeToAsk.port)
+        result = await self.find_value(address, self.sourceNode.id,
+                                       nodeToFind.id)
+        return self.handleCallResponse(result, nodeToAsk)
+
+    async def callPing(self, nodeToAsk):
+        address = (nodeToAsk.ip, nodeToAsk.port)
+        result = await self.ping(address, self.sourceNode.id)
+        return self.handleCallResponse(result, nodeToAsk)
+
+    async def callStore(self, nodeToAsk, key, value):
+        address = (nodeToAsk.ip, nodeToAsk.port)
+        result = await self.store(address, self.sourceNode.id, key, value)
+        return self.handleCallResponse(result, nodeToAsk)
+
+    def welcomeIfNewNode(self, node):
+        """
+        Given a new node, send it all the keys/values it should be storing,
+        then add it to the routing table.
+
+        @param node: A new node that just joined (or that we just found out
+        about).
+
+        Process:
+        For each key in storage, get k closest nodes.  If newnode is closer
+        than the furtherst in that list, and the node for this server
+        is closer than the closest in that list, then store the key/value
+        on the new node (per section 2.5 of the paper)
+        """
+        if not self.router.isNewNode(node):
+            return
+
+        log.info("never seen %s before, adding to router", node)
+        for key, value in self.storage.items():
+            keynode = Node(digest(key))
+            neighbors = self.router.findNeighbors(keynode)
+            if len(neighbors) > 0:
+                last = neighbors[-1].distanceTo(keynode)
+                newNodeClose = node.distanceTo(keynode) < last
+                first = neighbors[0].distanceTo(keynode)
+                thisNodeClosest = self.sourceNode.distanceTo(keynode) < first
+            if len(neighbors) == 0 or (newNodeClose and thisNodeClosest):
+                asyncio.ensure_future(self.callStore(node, key, value))
+        self.router.addContact(node)
+
+    def handleCallResponse(self, result, node):
+        """
+        If we get a response, add the node to the routing table.  If
+        we get no response, make sure it's removed from the routing table.
+        """
+        if not result[0]:
+            log.warning("no response from %s, removing from router", node)
+            self.router.removeContact(node)
+            return result
+
+        log.info("got successful response from %s", node)
+        self.welcomeIfNewNode(node)
+        return result

libp2p/kademlia/routing.py

@@ -0,0 +1,185 @@
+import heapq
+import time
+import operator
+import asyncio
+
+from collections import OrderedDict
+
+from .kademlia.utils import OrderedSet, sharedPrefix, bytesToBitString
+
+
+class KBucket:
+    def __init__(self, rangeLower, rangeUpper, ksize):
+        self.range = (rangeLower, rangeUpper)
+        self.nodes = OrderedDict()
+        self.replacementNodes = OrderedSet()
+        self.touchLastUpdated()
+        self.ksize = ksize
+
+    def touchLastUpdated(self):
+        self.lastUpdated = time.monotonic()
+
+    def getNodes(self):
+        return list(self.nodes.values())
+
+    def split(self):
+        midpoint = (self.range[0] + self.range[1]) / 2
+        one = KBucket(self.range[0], midpoint, self.ksize)
+        two = KBucket(midpoint + 1, self.range[1], self.ksize)
+        for node in self.nodes.values():
+            bucket = one if node.long_id <= midpoint else two
+            bucket.nodes[node.id] = node
+        return (one, two)
+
+    def removeNode(self, node):
+        if node.id not in self.nodes:
+            return
+
+        # delete node, and see if we can add a replacement
+        del self.nodes[node.id]
+        if len(self.replacementNodes) > 0:
+            newnode = self.replacementNodes.pop()
+            self.nodes[newnode.id] = newnode
+
+    def hasInRange(self, node):
+        return self.range[0] <= node.long_id <= self.range[1]
+
+    def isNewNode(self, node):
+        return node.id not in self.nodes
+
+    def addNode(self, node):
+        """
+        Add a C{Node} to the C{KBucket}.  Return True if successful,
+        False if the bucket is full.
+
+        If the bucket is full, keep track of node in a replacement list,
+        per section 4.1 of the paper.
+        """
+        if node.id in self.nodes:
+            del self.nodes[node.id]
+            self.nodes[node.id] = node
+        elif len(self) < self.ksize:
+            self.nodes[node.id] = node
+        else:
+            self.replacementNodes.push(node)
+            return False
+        return True
+
+    def depth(self):
+        vals = self.nodes.values()
+        sp = sharedPrefix([bytesToBitString(n.id) for n in vals])
+        return len(sp)
+
+    def head(self):
+        return list(self.nodes.values())[0]
+
+    def __getitem__(self, node_id):
+        return self.nodes.get(node_id, None)
+
+    def __len__(self):
+        return len(self.nodes)
+
+
+class TableTraverser:
+    def __init__(self, table, startNode):
+        index = table.getBucketFor(startNode)
+        table.buckets[index].touchLastUpdated()
+        self.currentNodes = table.buckets[index].getNodes()
+        self.leftBuckets = table.buckets[:index]
+        self.rightBuckets = table.buckets[(index + 1):]
+        self.left = True
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        """
+        Pop an item from the left subtree, then right, then left, etc.
+        """
+        if len(self.currentNodes) > 0:
+            return self.currentNodes.pop()
+
+        if self.left and len(self.leftBuckets) > 0:
+            self.currentNodes = self.leftBuckets.pop().getNodes()
+            self.left = False
+            return next(self)
+
+        if len(self.rightBuckets) > 0:
+            self.currentNodes = self.rightBuckets.pop(0).getNodes()
+            self.left = True
+            return next(self)
+
+        raise StopIteration
+
+
+class RoutingTable:
+    def __init__(self, protocol, ksize, node):
+        """
+        @param node: The node that represents this server.  It won't
+        be added to the routing table, but will be needed later to
+        determine which buckets to split or not.
+        """
+        self.node = node
+        self.protocol = protocol
+        self.ksize = ksize
+        self.flush()
+
+    def flush(self):
+        self.buckets = [KBucket(0, 2 ** 160, self.ksize)]
+
+    def splitBucket(self, index):
+        one, two = self.buckets[index].split()
+        self.buckets[index] = one
+        self.buckets.insert(index + 1, two)
+
+    def getLonelyBuckets(self):
+        """
+        Get all of the buckets that haven't been updated in over
+        an hour.
+        """
+        hrago = time.monotonic() - 3600
+        return [b for b in self.buckets if b.lastUpdated < hrago]
+
+    def removeContact(self, node):
+        index = self.getBucketFor(node)
+        self.buckets[index].removeNode(node)
+
+    def isNewNode(self, node):
+        index = self.getBucketFor(node)
+        return self.buckets[index].isNewNode(node)
+
+    def addContact(self, node):
+        index = self.getBucketFor(node)
+        bucket = self.buckets[index]
+
+        # this will succeed unless the bucket is full
+        if bucket.addNode(node):
+            return
+
+        # Per section 4.2 of paper, split if the bucket has the node
+        # in its range or if the depth is not congruent to 0 mod 5
+        if bucket.hasInRange(self.node) or bucket.depth() % 5 != 0:
+            self.splitBucket(index)
+            self.addContact(node)
+        else:
+            asyncio.ensure_future(self.protocol.callPing(bucket.head()))
+
+    def getBucketFor(self, node):
+        """
+        Get the index of the bucket that the given node would fall into.
+        """
+        for index, bucket in enumerate(self.buckets):
+            if node.long_id < bucket.range[1]:
+                return index
+
+    def findNeighbors(self, node, k=None, exclude=None):
+        k = k or self.ksize
+        nodes = []
+        for neighbor in TableTraverser(self, node):
+            notexcluded = exclude is None or not neighbor.sameHomeAs(exclude)
+            if neighbor.id != node.id and notexcluded:
+                heapq.heappush(nodes, (node.distanceTo(neighbor), neighbor))
+            if len(nodes) == k:
+                break
+
+        return list(map(operator.itemgetter(1), heapq.nsmallest(k, nodes)))

libp2p/kademlia/storage.py

@@ -0,0 +1,97 @@
+import time
+from itertools import takewhile
+import operator
+from collections import OrderedDict
+
+
+class IStorage:
+    """
+    Local storage for this node.
+    IStorage implementations of get must return the same type as put in by set
+    """
+
+    def __setitem__(self, key, value):
+        """
+        Set a key to the given value.
+        """
+        raise NotImplementedError
+
+    def __getitem__(self, key):
+        """
+        Get the given key.  If item doesn't exist, raises C{KeyError}
+        """
+        raise NotImplementedError
+
+    def get(self, key, default=None):
+        """
+        Get given key.  If not found, return default.
+        """
+        raise NotImplementedError
+
+    def iteritemsOlderThan(self, secondsOld):
+        """
+        Return the an iterator over (key, value) tuples for items older
+        than the given secondsOld.
+        """
+        raise NotImplementedError
+
+    def __iter__(self):
+        """
+        Get the iterator for this storage, should yield tuple of (key, value)
+        """
+        raise NotImplementedError
+
+
+class ForgetfulStorage(IStorage):
+    def __init__(self, ttl=604800):
+        """
+        By default, max age is a week.
+        """
+        self.data = OrderedDict()
+        self.ttl = ttl
+
+    def __setitem__(self, key, value):
+        if key in self.data:
+            del self.data[key]
+        self.data[key] = (time.monotonic(), value)
+        self.cull()
+
+    def cull(self):
+        for _, _ in self.iteritemsOlderThan(self.ttl):
+            self.data.popitem(last=False)
+
+    def get(self, key, default=None):
+        self.cull()
+        if key in self.data:
+            return self[key]
+        return default
+
+    def __getitem__(self, key):
+        self.cull()
+        return self.data[key][1]
+
+    def __iter__(self):
+        self.cull()
+        return iter(self.data)
+
+    def __repr__(self):
+        self.cull()
+        return repr(self.data)
+
+    def iteritemsOlderThan(self, secondsOld):
+        minBirthday = time.monotonic() - secondsOld
+        zipped = self._tripleIterable()
+        matches = takewhile(lambda r: minBirthday >= r[1], zipped)
+        return list(map(operator.itemgetter(0, 2), matches))
+
+    def _tripleIterable(self):
+        ikeys = self.data.keys()
+        ibirthday = map(operator.itemgetter(0), self.data.values())
+        ivalues = map(operator.itemgetter(1), self.data.values())
+        return zip(ikeys, ibirthday, ivalues)
+
+    def items(self):
+        self.cull()
+        ikeys = self.data.keys()
+        ivalues = map(operator.itemgetter(1), self.data.values())
+        return zip(ikeys, ivalues)

libp2p/kademlia/utils.py

@@ -0,0 +1,57 @@
+"""
+General catchall for functions that don't make sense as methods.
+"""
+import hashlib
+import operator
+import asyncio
+
+
+async def gather_dict(d):
+    cors = list(d.values())
+    results = await asyncio.gather(*cors)
+    return dict(zip(d.keys(), results))
+
+
+def digest(s):
+    if not isinstance(s, bytes):
+        s = str(s).encode('utf8')
+    return hashlib.sha1(s).digest()
+
+
+class OrderedSet(list):
+    """
+    Acts like a list in all ways, except in the behavior of the
+    :meth:`push` method.
+    """
+
+    def push(self, thing):
+        """
+        1. If the item exists in the list, it's removed
+        2. The item is pushed to the end of the list
+        """
+        if thing in self:
+            self.remove(thing)
+        self.append(thing)
+
+
+def sharedPrefix(args):
+    """
+    Find the shared prefix between the strings.
+
+    For instance:
+
+        sharedPrefix(['blahblah', 'blahwhat'])
+
+    returns 'blah'.
+    """
+    i = 0
+    while i < min(map(len, args)):
+        if len(set(map(operator.itemgetter(i), args))) != 1:
+            break
+        i += 1
+    return args[0][:i]
+
+
+def bytesToBitString(bites):
+    bits = [bin(bite)[2:].rjust(8, '0') for bite in bites]
+    return "".join(bits)

libp2p/network/connection/exceptions.py

@@ -1,5 +0,0 @@
-from libp2p.io.exceptions import IOException
-
-
-class RawConnError(IOException):
-    pass

libp2p/network/connection/net_connection_interface.py

@@ -1,21 +0,0 @@
-from abc import abstractmethod
-from typing import Tuple
-
-import trio
-
-from libp2p.io.abc import Closer
-from libp2p.network.stream.net_stream_interface import INetStream
-from libp2p.stream_muxer.abc import IMuxedConn
-
-
-class INetConn(Closer):
-    muxed_conn: IMuxedConn
-    event_started: trio.Event
-
-    @abstractmethod
-    async def new_stream(self) -> INetStream:
-        ...
-
-    @abstractmethod
-    def get_streams(self) -> Tuple[INetStream, ...]:
-        ...

libp2p/network/connection/raw_connection.py

@@ -1,36 +1,25 @@
-from libp2p.io.abc import ReadWriteCloser
-from libp2p.io.exceptions import IOException
-
-from .exceptions import RawConnError
 from .raw_connection_interface import IRawConnection
 
 
 class RawConnection(IRawConnection):
-    stream: ReadWriteCloser
-    is_initiator: bool
 
-    def __init__(self, stream: ReadWriteCloser, initiator: bool) -> None:
-        self.stream = stream
-        self.is_initiator = initiator
+    def __init__(self, ip, port, reader, writer, initiator):
+        # pylint: disable=too-many-arguments
+        self.conn_ip = ip
+        self.conn_port = port
+        self.reader = reader
+        self.writer = writer
+        self._next_id = 0 if initiator else 1
+        self.initiator = initiator
 
-    async def write(self, data: bytes) -> None:
-        """Raise `RawConnError` if the underlying connection breaks."""
-        try:
-            await self.stream.write(data)
-        except IOException as error:
-            raise RawConnError from error
+    def close(self):
+        self.writer.close()
 
-    async def read(self, n: int = None) -> bytes:
+    def next_stream_id(self):
         """
-        Read up to ``n`` bytes from the underlying stream. This call is
-        delegated directly to the underlying ``self.reader``.
-
-        Raise `RawConnError` if the underlying connection breaks
+        Get next available stream id
+        :return: next available stream id for the connection
         """
-        try:
-            return await self.stream.read(n)
-        except IOException as error:
-            raise RawConnError from error
-
-    async def close(self) -> None:
-        await self.stream.close()
+        next_id = self._next_id
+        self._next_id += 2
+        return next_id

libp2p/network/connection/raw_connection_interface.py

@@ -1,7 +1,9 @@
-from libp2p.io.abc import ReadWriteCloser
+from abc import ABC
+
+# pylint: disable=too-few-public-methods
 
 
-class IRawConnection(ReadWriteCloser):
-    """A Raw Connection provides a Reader and a Writer."""
-
-    is_initiator: bool
+class IRawConnection(ABC):
+    """
+    A Raw Connection provides a Reader and a Writer
+    """

libp2p/network/connection/swarm_connection.py

@@ -1,100 +0,0 @@
-from typing import TYPE_CHECKING, Set, Tuple
-
-import trio
-
-from libp2p.network.connection.net_connection_interface import INetConn
-from libp2p.network.stream.net_stream import NetStream
-from libp2p.stream_muxer.abc import IMuxedConn, IMuxedStream
-from libp2p.stream_muxer.exceptions import MuxedConnUnavailable
-
-if TYPE_CHECKING:
-    from libp2p.network.swarm import Swarm  # noqa: F401
-
-
-"""
-Reference: https://github.com/libp2p/go-libp2p-swarm/blob/04c86bbdafd390651cb2ee14e334f7caeedad722/swarm_conn.go  # noqa: E501
-"""
-
-
-class SwarmConn(INetConn):
-    muxed_conn: IMuxedConn
-    swarm: "Swarm"
-    streams: Set[NetStream]
-    event_closed: trio.Event
-
-    def __init__(self, muxed_conn: IMuxedConn, swarm: "Swarm") -> None:
-        self.muxed_conn = muxed_conn
-        self.swarm = swarm
-        self.streams = set()
-        self.event_closed = trio.Event()
-        self.event_started = trio.Event()
-
-    @property
-    def is_closed(self) -> bool:
-        return self.event_closed.is_set()
-
-    async def close(self) -> None:
-        if self.event_closed.is_set():
-            return
-        self.event_closed.set()
-        await self._cleanup()
-
-    async def _cleanup(self) -> None:
-        self.swarm.remove_conn(self)
-
-        await self.muxed_conn.close()
-
-        # This is just for cleaning up state. The connection has already been closed.
-        # We *could* optimize this but it really isn't worth it.
-        for stream in self.streams.copy():
-            await stream.reset()
-        # Force context switch for stream handlers to process the stream reset event we just emit
-        # before we cancel the stream handler tasks.
-        await trio.sleep(0.1)
-
-        await self._notify_disconnected()
-
-    async def _handle_new_streams(self) -> None:
-        self.event_started.set()
-        async with trio.open_nursery() as nursery:
-            while True:
-                try:
-                    stream = await self.muxed_conn.accept_stream()
-                except MuxedConnUnavailable:
-                    await self.close()
-                    break
-                # Asynchronously handle the accepted stream, to avoid blocking the next stream.
-                nursery.start_soon(self._handle_muxed_stream, stream)
-
-    async def _handle_muxed_stream(self, muxed_stream: IMuxedStream) -> None:
-        net_stream = await self._add_stream(muxed_stream)
-        try:
-            # Ignore type here since mypy complains: https://github.com/python/mypy/issues/2427
-            await self.swarm.common_stream_handler(net_stream)  # type: ignore
-        finally:
-            # As long as `common_stream_handler`, remove the stream.
-            self.remove_stream(net_stream)
-
-    async def _add_stream(self, muxed_stream: IMuxedStream) -> NetStream:
-        net_stream = NetStream(muxed_stream)
-        self.streams.add(net_stream)
-        await self.swarm.notify_opened_stream(net_stream)
-        return net_stream
-
-    async def _notify_disconnected(self) -> None:
-        await self.swarm.notify_disconnected(self)
-
-    async def start(self) -> None:
-        await self._handle_new_streams()
-
-    async def new_stream(self) -> NetStream:
-        muxed_stream = await self.muxed_conn.open_stream()
-        return await self._add_stream(muxed_stream)
-
-    def get_streams(self) -> Tuple[NetStream, ...]:
-        return tuple(self.streams)
-
-    def remove_stream(self, stream: NetStream) -> None:
-        if stream not in self.streams:
-            return
-        self.streams.remove(stream)

libp2p/network/exceptions.py

@@ -1,5 +0,0 @@
-from libp2p.exceptions import BaseLibp2pError
-
-
-class SwarmException(BaseLibp2pError):
-    pass