Features

• Add tx.from, tx.to, and tx.input properties to access transaction details

Other changes

• Upgrade to alloy 1.1.0
• Upgrade to Foundry 1.4.4

Features

• Add vm.getEnv to get environment variables
• Add abi.getSignature to get the signature of a function or error by its selector
• Add support for mapping to contract types

Bug fixes

• Fix bytes to address casting
• Fix Etherscan API V2 support

Bug fixes

• Fix conversion from bytesN to bytes
• Fix traceCall not working with block option

Features

• Refactor account management functions:
  • Move all account management functions to accounts namespace:
    • Rename repl.current to accounts.current
  • Allow to select already loaded accounts without loading them again
  • Add more management functions to accounts namespace:
    • accounts.loaded to list all loaded accounts
    • accounts.select to select a loaded account
    • accounts.listKeystores to list all keystores in ~/.foundry/keystore/
    • accounts.alias to set an alias for an account
• Add abi.decodeMultisend to decode Safe multisend transactions
• Integrate 4byte.directory API to find function signatures by selector when decoding calldata

Bug fixes

• Fix fixed bytes parsing/casting

Other changes

• Add 0x prefix to JSON serialized bytes
• Rename repl.loadAbi to abi.load and repl.fetchAbi to abi.fetch
• Rename repl.connected to vm.connected
• Rename POLYGON_API_KEY to POLYGONSCAN_API_KEY and POLYGON_ZKEVM_API_KEY to POLYGONSCAN_ZKEVM_API_KEY
• Add support for Etherscan API V2

Features

• Add repl.fork to start run and use an Anvil instance as a fork of the current URL
• Add repl.startPrank / repl.stopPrank to start/stop impersonating an address
• Add FUNC.traceCall method to contract functions
• Add abi.decodeData to decode function calldata and errors from any known ABI
• Add address.transfer to send ETH to an address
• Add json.stringify to convert a value to a JSON string
• Add fs.write to write a string to a file
• Add vm.skip and vm.mine to skip time and mine blocks

Other changes

• Encode FixedBytes as with zero padding on the left instead of the right
• Allow to load a private key from bytes32
• Move repl.block, repl.startPrank, repl.stopPrank, repl.rpc, repl.fork, and repl.deal to vm namespace

Features

• Decode logs returned by Transaction.getReceipt() when available in ABI
• Add support for array concatenation
• Add array.filter function
• Add array.reduce function
• Add support for bitwise operators
• [EXPERIMENTAL] Add support for anonymous functions
• [EXPERIMENTAL] Add support for fetching events
• Add support for negative indices in arrays and slices

Bug fixes

• Fix abi.decode for nested types
• Fix completion not triggering right after [

Other changes

• Drop Receipt type and use NamedTuple instead

Features

• Add repl.block()
• Allow to customize more variables through call options:
  • block - block number to use for the call
  • from - address to use as msg.sender
  • gasLimit - gas limit to use for the transaction
  • maxFee - maximum fee to pay for the transaction
  • priorityFee - priority fee to pay for the transaction
  • gasPrice - gas price to use for the (legacy) transaction
• Allow to select version of Eclair when installing using install script
• Add repl.loadKeystore to load keystore from a file created by cast
• Allow conversion between different fixed-size bytes types (e.g. bytes32 -> bytes4 or vice-versa)
• Allow slicing on bytes and strings

Bug fixes

• Fix parsing of fix bytes with less than 32 bytes (e.g. bytes4)
• Fix display of functions that don't check argument types

Features

• Add support for bytes<->uint256 conversion

Bug fixes

• Fix bug with abi.encode and abi.decode that caused the functions to fail/return incorrect values

This is the first release of Eclair.
Many of the features already work but it is not production ready and the API is still subject to change.