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Release Notes

v4.0.0-beta.2

Bug Fixes:

Plus, various python modernization code cleanups, and testing against geth 1.7.2.

v4.0.0-beta.1

  • Python 3 is now required
  • ENS names can be used anywhere that a hex address can
  • Sign transactions and messages with local private keys
  • New filter mechanism: :meth:`~web3.utils.filters.Filter.get_all_entries` and :meth:`~web3.utils.filters.Filter.get_new_entries`
  • Quick automatic initialization with from web3.auto import w3
  • All addresses must be supplied with an EIP-55 checksum
  • All addresses are returned with a checksum
  • Renamed Web3.toDecimal() to toInt(), see: :ref:`overview_type_conversions`
  • All filter calls are synchronous, gevent integration dropped
  • Contract :meth:`~web3.contract.Contract.eventFilter` has replaced both Contract.on() and Contract.pastEvents()
  • Contract arguments of bytes ABI type now accept hex strings.
  • Contract arguments of string ABI type now accept python str.
  • Contract return values of string ABI type now return python str.
  • Many methods now return a bytes-like object where they used to return a hex string, like in :meth:`Web3.sha3()`
  • IPC connection left open and reused, rather than opened and closed on each call
  • A number of deprecated methods from v3 were removed

3.16.1

  • Addition of ethereum-tester as a dependency

3.16.0

  • Addition of named middlewares for easier manipulation of middleware stack.
  • Provider middlewares can no longer be modified during runtime.
  • Experimental custom ABI normalization API for Contract objects.

3.15.0

  • Change docs to use RTD theme
  • Experimental new EthereumTesterProvider for the ethereum-tester library.
  • Bugfix for function type abi encoding via ethereum-abi-utils upgrade to v0.4.1
  • Bugfix for Web3.toHex to conform to RPC spec.

3.14.2

  • Fix PyPi readme text.

3.14.1

  • Fix PyPi readme text.

3.14.0

  • New stalecheck_middleware
  • Improvements to Web3.toHex and Web3.toText.
  • Improvements to Web3.sha3 signature.
  • Bugfixes for Web3.eth.sign api

3.13.5

  • Add experimental fixture_middleware
  • Various bugfixes introduced in middleware API introduction and migration to formatter middleware.

3.13.4

  • Bugfix for formatter handling of contract creation transaction.

3.13.3

  • Improved testing infrastructure.

3.13.2

  • Bugfix for retrieving filter changes for both new block filters and pending transaction filters.

3.13.1

  • Fix mispelled attrdict_middleware (was spelled attrdict_middlware).

3.13.0

  • New Middleware API
  • Support for multiple providers
  • New web3.soliditySha3
  • Remove multiple functions that were never implemented from the original web3.
  • Deprecated web3.currentProvider accessor. Use web3.provider now instead.
  • Deprecated password prompt within web3.personal.newAccount.

3.12.0

  • Bugfix for abi filtering to correctly handle constructor and fallback type abi entries.

3.11.0

  • All web3 apis which accept address parameters now enforce checksums if the address looks like it is checksummed.
  • Improvements to error messaging with when calling a contract on a node that may not be fully synced
  • Bugfix for web3.eth.syncing to correctly handle False

3.10.0

  • Web3 now returns web3.utils.datastructures.AttributeDict in places where it previously returned a normal dict.
  • web3.eth.contract now performs validation on the address parameter.
  • Added web3.eth.getWork API

3.9.0

  • Add validation for the abi parameter of eth
  • Contract return values of bytes, bytesXX and string are no longer converted to text types and will be returned in their raw byte-string format.

3.8.1

  • Bugfix for eth_sign double hashing input.
  • Removed deprecated DelegatedSigningManager
  • Removed deprecate PrivateKeySigningManager

3.8.0

  • Update pyrlp dependency to >=0.4.7
  • Update eth-testrpc dependency to >=1.2.0
  • Deprecate DelegatedSigningManager
  • Deprecate PrivateKeySigningManager

3.7.1

  • upstream version bump for bugfix in eth-abi-utils

3.7.0

  • deprecate eth.defaultAccount defaulting to the coinbase account.

3.6.2

  • Fix error message from contract factory creation.
  • Use ethereum-utils for utility functions.

3.6.1

  • Upgrade ethereum-abi-utils dependency for upstream bugfix.

3.6.0

  • Deprecate Contract.code: replaced by Contract.bytecode
  • Deprecate Contract.code_runtime: replaced by Contract.bytecode_runtime
  • Deprecate abi, code, code_runtime and source as arguments for the Contract object.
  • Deprecate source as a property of the Contract object
  • Add Contract.factory() API.
  • Deprecate the construct_contract_factory helper function.

3.5.3

  • Bugfix for how requests library is used. Now reuses session.

3.5.2

  • Bugfix for construction of request_kwargs within HTTPProvider

3.5.1

  • Allow HTTPProvider to be imported from web3 module.
  • make HTTPProvider accessible as a property of web3 instances.

3.5.0

  • Deprecate web3.providers.rpc.RPCProvider
  • Deprecate web3.providers.rpc.KeepAliveRPCProvider
  • Add new web3.providers.rpc.HTTPProvider
  • Remove hard dependency on gevent.

3.4.4

  • Bugfix for web3.eth.getTransaction when the hash is unknown.

3.4.3

  • Bugfix for event log data decoding to properly handle dynamic sized values.
  • New web3.tester module to access extra RPC functionality from eth-testrpc

3.4.2

  • Fix package so that eth-testrpc is not required.

3.4.1

3.4.0

  • Bugfix for contract instances to respect web3.eth.defaultAccount
  • Better error reporting when ABI decoding fails for contract method response.

3.3.0

  • New EthereumTesterProvider now available. Faster test runs than TestRPCProvider
  • Updated underlying eth-testrpc requirement.

3.2.0

  • web3.shh is now implemented.
  • Introduced KeepAliveRPCProvider to correctly recycle HTTP connections and use HTTP keep alive

3.1.1

  • Bugfix for contract transaction sending not respecting the web3.eth.defaultAccount configuration.

3.1.0

  • New DelegatedSigningManager and PrivateKeySigningManager classes.

3.0.2

  • Bugfix or IPCProvider not handling large JSON responses well.

3.0.1

  • Better RPC compliance to be compatable with the Parity JSON-RPC server.

3.0.0

  • Filter objects now support controlling the interval through which they poll using the poll_interval property

2.9.0

  • Bugfix generation of event topics.
  • Web3.Iban now allows access to Iban address tools.

2.8.1

  • Bugfix for geth.ipc path on linux systems.

2.8.0

  • Changes to the Contract API:
    • Contract.deploy() parameter arguments renamed to args
    • Contract.deploy() now takes args and kwargs parameters to allow constructing with keyword arguments or positional arguments.
    • Contract.pastEvents now allows you to specify a fromBlock or ``toBlock. Previously these were forced to be 'earliest' and web3.eth.blockNumber respectively.
    • Contract.call, Contract.transact and Contract.estimateGas are now callable as class methods as well as instance methods. When called this way, an address must be provided with the transaction parameter.
    • Contract.call, Contract.transact and Contract.estimateGas now allow specifying an alternate address for the transaction.
  • RPCProvider now supports the following constructor arguments.
    • ssl for enabling SSL
    • connection_timeout and network_timeout for controlling the timeouts for requests.

2.7.1

  • Bugfix: Fix KeyError in merge_args_and_kwargs helper fn.

2.7.0

  • Bugfix for usage of block identifiers 'latest', 'earliest', 'pending'
  • Sphinx documentation
  • Non-data transactions now default to 90000 gas.
  • Web3 object now has helpers set as static methods rather than being set at initialization.
  • RPCProvider now takes a path parameter to allow configuration for requests to go to paths other than /.

2.6.0

  • TestRPCProvider no longer dumps logging output to stdout and stderr.
  • Bugfix for return types of address[]
  • Bugfix for event data types of address

2.5.0

  • All transactions which contain a data element will now have their gas automatically estimated with 100k additional buffer. This was previously only true with transactions initiated from a Contract object.

2.4.0

  • Contract functions can now be called using keyword arguments.

2.3.0

  • Upstream fixes for filters
  • Filter APIs on and pastEvents now callable as both instance and class methods.

2.2.0

  • The filters that come back from the contract on and pastEvents methods now call their callbacks with the same data format as web3.js.

2.1.1

  • Cast RPCProvider port to an integer.

2.1.0

  • Remove all monkeypatching

2.0.0

  • Pull in downstream updates to proper gevent usage.
  • Fix eth_sign
  • Bugfix with contract operations mutating the transaction object that is passed in.
  • More explicit linting ignore statements.

1.9.0

  • BugFix: fix for python3 only json.JSONDecodeError handling.

1.8.0

  • BugFix: RPCProvider not sending a content-type header
  • Bugfix: web3.toWei now returns an integer instead of a decimal.Decimal

1.7.1

  • TestRPCProvider can now be imported directly from web3

1.7.0

  • Add eth.admin interface.
  • Bugfix: Format the return value of web3.eth.syncing
  • Bugfix: IPCProvider socket interactions are now more robust.

1.6.0

  • Downstream package upgrades for eth-testrpc and ethereum-tester-client to handle configuration of the Homestead and DAO fork block numbers.

1.5.0

  • Rename web3.contract._Contract to web3.contract.Contract to expose it for static analysis and auto completion tools
  • Allow passing string parameters to functions
  • Automatically compute gas requirements for contract deployment and
  • transactions.
  • Contract Filters
  • Block, Transaction, and Log filters
  • web3.eth.txpool interface
  • web3.eth.mining interface
  • Fixes for encoding.

1.4.0

  • Bugfix to allow address types in constructor arguments.

1.3.0

  • Partial implementation of the web3.eth.contract interface.

1.2.0

  • Restructure project modules to be more flat
  • Add ability to run test suite without the slow tests.
  • Breakup encoding utils into smaller modules.
  • Basic pep8 formatting.
  • Apply python naming conventions to internal APIs
  • Lots of minor bugfixes.
  • Removal of dead code left behing from 1.0.0 refactor.
  • Removal of web3/solidity module.

1.1.0

  • Add missing isConnected() method.
  • Add test coverage for setProvider()

1.0.1

  • Specify missing pyrlp and gevent dependencies

1.0.0

  • Massive refactor to the majority of the app.

0.1.0

  • Initial release