Open-aea

AEA:
- Adds support for packages hashing with `IPFSHashOnly` from `aea.helpers.ipfs.base`
- Updates the `aea run` command to print hash table for available packages in an agent project

Plugins:
- Makes error raising optional when sending transactions and adds error logging for the same

Docs:
- Adds documentation for the newly introduced profiling script
- Removes reference to `docs.fetch.ai`

Chores:
- Adds a script to analyze and visualize profiling data from agent runs
- Updates authors list

AEA:
- Adds in null equivalents so that environment variables can default to a none value
- Adds support for remote IPFS registry usage in CLI tool
- Adds support to show IPFS hashes of each component yaml at start of `aea run`

Plugins:
- Adds support for remote IPFS registry usage in IPFS plugin
- Fixes gas price repricing strategy in ethereum ledger plugin

Packages:
- Ports `acn` packages from fetchai repo
- Bumps protobuf compiler version and updates protocols

Docs:
- Adds demo of http connections and skills
- Adds demo of environment variable usage
- Adds miscellaneous updates to documentation based on developer feedback

Chores:
- Updates copyright script to support all patterns
- Simplifies Dockerfiles and removes unneeded dependencies


Plugins patch (2022-01-27)

Plugins:
- Bumps `open-aea-ethereum-ledger` to `1.4.1` after fixing a bug in the log retrieval logic.

AEA:
- Exposes agent data directory on skill context.
- Adds support for environment variables loading from aea-config files.
- Extends contract base class to support new plugin functionality.

Plugins:
- Adds support for transaction preparation and log retrieval into the ethereum plugin.
- Adds support for retrieving the revert reason when transaction is not verified in ethereum plugin.

Docs:
- Simplifies documentation further and updates with latest features

Plugins patch (2022-01-15)

Plugins:
- Bumps `open-aea-ethereum-ledger` to `1.3.2` after adding tip increase logic

Plugins patch (2022-01-05)

Plugins:
- Fixes dynamic gas pricing on open-aea-ethereum
- Improves daemon availability check in `IPFSDaemon` on `open-aea-cli-ipfs`
- Bumps `open-aea-cli-ipfs` and open-aea-ethereum-ledger to `1.3.1`

Docs:
- Removes reference to fetch.ai.

AEA:
- Adds support to scaffold packages outside an AEA project
- Adds support for IPFS package hashing and IPFS based registry.
- Allows contracts to depend on other contracts.

Plugins:
- Adds support for EIP1559 based gas estimation strategy on aea-ledger-ethereum.
- Adds support for package hashing and local IPFS registry on `aea-cli-ipfs`.
- Bumps `aea-ledger-ethereum` and `aea-cli-ipfs` to `1.3.0`.

Docs:
- Applies new styling
- Simplifies documentation and updates with latest features

AEA:
- Adds type hint for dialogue valid replies in protocol generator
- Adds generator fixes to pass darglint checks
- Adds various test fixes and fixes on MAM
- Allows additional entropy to be passed to key generation in plugins (including. via CLI)
- Fixes an issue with message key-value setter
- Fixes an issue with improper termination of subprocesses in the test tools
- Fixes typing issues
- Miscellaneous minor fixes

Plugins:
- Updates aea-ledger-ethereum for EIP1159 compatibility
- Bumps aea-ledger-ethereum dependencies

Packages:
- Miscellaneous minor fixes

Docs:
- Updates API documentation

Chores:
- Enables darglint for protocols

AEA:
- Adds public keys to agent identity and skill context
- Adds contract test tool
- Adds multiprocess support for task manager
- Adds multiprocess backed support to `MultiAgentManager`
- Adds support for excluding connection on `aea run`
- Adds support for adding a key that is being generated (`—add-key` option for `generate-key` command)
- Adds check for dependencies to be present in registry on a package push
- Makes more efficient installing of project dependencies on `aea install`
- Adds dependency conflict detection on `aea install`
- Improves pip install error details on `aea install`
- Adds validation of `aea_version` when loading configuration
- Adds a check for consistency of package versions in `MultiAgent Manager`
- Adds better error reporting for aea registry requests
- Fixes IPFS hash calculation for large files
- Fixes protobuf dictionary serializer's uncovered cases and makes it deterministic
- Fixes scaffolding of error and decision maker handlers
- Fixes pywin32 problem when checking dependency
- Improves existing testing tools

Benchmarks:
- Adds agents construction and decision maker benchmark cases

Plugins:
- Upgrades fetchai plugin to use CosmPy instead of CLI calls
- Upgrades cosmos plugin to use CosmPy instead of CLI calls
- Upgrades fetchai plugin to use StargateWorld
- Upgrades cosmos plugin to Stargate
- Sets the correct maximum Gas for fetch.ai plugin

Packages:
- Adds support for Tac to be run against fetchai StargateWorld test-net
- Adds more informative error messages to CosmWasm ERC1155 contract
- Adds support for atomic swap to CosmWasm ERC1155 contract
- Adds an ACN protocol that formalises ACN communication using the framework's protocol language
- Adds `cosm_trade` protocol for preparing atomic swap transactions for cosmos-based networks
- Adds https support for server connection
- Adds parametrising of http(s) in soef connection
- Fixes http server content length response problem
- Updates Oracle contract to 0.14
- Implements the full ACN spec throughout the ACN packages
- Implements correct error code usage in ACN packages
- Refactors ACN packages to unify reused logic
- Adds tests for gym skills
- Adds dockerised SOEF
- Adds libp2p mailbox connection
- Multiple fixes and stability improvements for `p2p_libp2p` connections

Docs:
- Adds ACN internals documentation
- Fixes tutorial for HTTP connection and skill
- Multiple additional docs updates
- Adds more context to private keys docs

Chores:
- Various development features bumped
- Bumped Mermaid-JS, for UML diagrams to major version 8
- Applies darglint to the code

Examples:
- Adds a unified script for running various versions/modes of Tac