revm-primitives 23.0.0

Revm primitives types
Documentation 
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//! Global constants for the EVM
//!
//! Here you can find constants that dont belong to any EIP and are there for the genesis.

use alloy_primitives::{b256, Address, B256};

/// Number of block hashes that EVM can access in the past (pre-Prague)
pub const BLOCK_HASH_HISTORY: u64 = 256;

/// The address of precompile 3, which is handled specially in a few places
pub const PRECOMPILE3: Address =
    Address::new([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3]);

/// EVM interpreter stack limit
pub const STACK_LIMIT: usize = 1024;

/// EVM call stack limit
pub const CALL_STACK_LIMIT: u64 = 1024;

/// The Keccak-256 hash of the empty string `""`.
pub const KECCAK_EMPTY: B256 =
    b256!("0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470");