Provide command line utilities

Hardhat should provide useful command line utilities for tasks like computing a hash or fetching a transaction.

Abi

• abi sig
• abi sig-event
• abi encode-args and abi encode-type
• abi encode-event
• abi encode-calldata
• abi decode-args and abi decode-type
• abi decode-calldata
• abi decode-event
• abi decode-error
• abi decode-value string <arg>
• abi encode-type int256 <value>
• abi encode-type uint256 <value>

Contract

• contract compute
• contract compute-create2

Constant

• constant zero-address
• https://github.com/NomicFoundation/hardhat/pull/8567
• https://github.com/NomicFoundation/hardhat/pull/8571

Conversion

• https://github.com/NomicFoundation/hardhat/pull/8566
• convert to-hex
• convert from-hex
• convert to-wei
• convert from-wei
• convert from-eth
• convert format-units
• convert parse-units
• convert to-utf8
• convert from-utf8
• convert to-rlp
• convert from-rlp
• convert pad --right
• convert format-bytes32-string
• convert parse-bytes32-string
• convert parse-bytes32-address
• convert concat-hex
• convert pad
• convert shl
• convert shr

ERC20

• erc20 balance
• erc20 allowance
• erc20 name
• erc20 symbol
• erc20 decimals
• erc20 total-supply

fetch

• fetch base-fee
• fetch chain
• fetch chain-id
• fetch client
• fetch gas-price
• fetch logs
• fetch block
• fetch block-number
• fetch timestamp
• fetch balance
• fetch nonce
• fetch tx
• fetch receipt
• fetch code
• fetch codehash
• fetch codesize
• fetch storage
• fetch storage-root
• fetch proof

hash

• hash keccak
• hash message

tx

• tx call
• tx estimate
• tx publish
• tx decode