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- """
- Type definitions for the Ethereum Virtual Machine (EVM).
- """
- from typing import (
- Literal,
- NewType,
- TypeVar,
- Union,
- )
- from .encoding import (
- HexStr,
- )
- Hash32 = NewType("Hash32", bytes)
- """
- A 32-byte hash value.
- """
- BlockNumber = NewType("BlockNumber", int)
- """
- Any integer that represents a valid block number on a chain.
- """
- BlockParams = Literal["latest", "earliest", "pending", "safe", "finalized"]
- """
- A type which specifies the block reference parameter.
- - ``"latest"``: The latest block.
- - ``"earliest"``: The earliest block.
- - ``"pending"``: The pending block.
- - ``"safe"``: The safe block.
- - ``"finalized"``: The finalized block.
- """
- BlockIdentifier = Union[BlockParams, BlockNumber, Hash32, HexStr, int]
- """
- A type that represents a block identifier value.
- - ``BlockParams``: A block reference parameter.
- - ``BlockNumber``: A block number integer value.
- - ``Hash32``: A 32-byte hash value.
- - ``HexStr``: A string that represents a hex value.
- - ``int``: An integer value.
- """
- Address = NewType("Address", bytes)
- """
- A type that contains a 32-byte canonical address.
- """
- HexAddress = NewType("HexAddress", HexStr)
- """
- A type that contains a hex encoded address. This is a 32-byte hex string with a prefix
- of "0x".
- """
- ChecksumAddress = NewType("ChecksumAddress", HexAddress)
- """
- A type that contains a eth_typing.evm.HexAddress that is formatted according to
- `ERC55 <https://github.com/ethereum/EIPs/issues/55>`_. This is a 40 character hex
- string with a prefix of "0x" and mixed case letters.
- """
- AnyAddress = TypeVar("AnyAddress", Address, HexAddress, ChecksumAddress)
- """
- A type that represents any type of address.
- """
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