web3/web3.js v4.0.1-alpha.2

on GitHub

Added

web3-eth-contract

• Decoding error data, using Error ABI if available, if error was returned from a smart contract function call (#5662).

web3-types

• These types were moved from web3-eth-accounts to web3-types package: Cipher, CipherOptions, ScryptParams, PBKDF2SHA256Params, KeyStore (#5581 )

web3-utils

• Export a new function uuidV4 that generates a random v4 Uuid (#5373).
• Enable passing a starting number, to increment based on it, for the Json Rpc Request id (#5652).
• Export a new function isPromise that checks if an object is a promise (#5652).

web3-eth-contract

• SpecialOutput type was added as a generic type into the call function to support reassigning output types (#5631)
• Overloaded functions types (ContractOverloadedMethodInputs, ContractOverloadedMethodOutputs) was added (#5631)

Fixed

web3-eth-contract

• Emit past contract events based on fromBlock when passed to contract.events.someEventName (#5201)
• Use different types for ContractOptions -> jsonInterface setter and getter (#5474)
• An issue within the Contract constructor where provider wasn't being set when provided within the optionsOrContextOrReturnFormat argument (#5669)

web3-types

• Make the request method of EIP1193Provider class, compatible with EIP 1193 (#5591)

web3-utils

• Use Uuid for the response id, to fix the issue "Responses get mixed up due to conflicting payload IDs" (#5373).

web3-validator

• Fix isHexreturning false for -123, fix isHexStrict returning true for -0x, and fix isHex returning true for empty strings `` (#5373).

web3-eth-abi

• Fix ContractMethodOutputParameters type to support output object types by index and string key. Also, it returns void if ABI doesn't have outputs and returns exactly one type if the output array has only one element. (#5631)

Removed

web3-eth-accounts

• These types were moved from web3-eth-accounts to web3-types package: Cipher, CipherOptions, ScryptParams, PBKDF2SHA256Params, KeyStore (#5581 )