alloy_consensus/
constants.rs

1//! Ethereum protocol-related constants
2use alloy_primitives::{b256, B256};
3
4pub use alloy_eips::eip2718::{
5    EIP1559_TX_TYPE_ID, EIP2930_TX_TYPE_ID, EIP4844_TX_TYPE_ID, EIP7702_TX_TYPE_ID,
6    LEGACY_TX_TYPE_ID,
7};
8pub use alloy_trie::{EMPTY_ROOT_HASH, KECCAK_EMPTY};
9
10/// The first four bytes of the call data for a function call specifies the function to be called.
11pub const SELECTOR_LEN: usize = 4;
12
13/// Maximum extra data size in a block after genesis
14pub const MAXIMUM_EXTRA_DATA_SIZE: usize = 32;
15
16/// Multiplier for converting gwei to wei.
17pub const GWEI_TO_WEI: u64 = 1_000_000_000;
18
19/// Multiplier for converting finney (milliether) to wei.
20pub const FINNEY_TO_WEI: u128 = (GWEI_TO_WEI as u128) * 1_000_000;
21
22/// Multiplier for converting ether to wei.
23pub const ETH_TO_WEI: u128 = FINNEY_TO_WEI * 1000;
24
25/// Multiplier for converting mgas to gas.
26pub const MGAS_TO_GAS: u64 = 1_000_000u64;
27
28/// The Ethereum mainnet genesis hash.
29pub const MAINNET_GENESIS_HASH: B256 =
30    b256!("d4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3");
31
32/// Goerli genesis hash.
33pub const GOERLI_GENESIS_HASH: B256 =
34    b256!("bf7e331f7f7c1dd2e05159666b3bf8bc7a8a3a9eb1d518969eab529dd9b88c1a");
35
36/// Sepolia genesis hash.
37pub const SEPOLIA_GENESIS_HASH: B256 =
38    b256!("25a5cc106eea7138acab33231d7160d69cb777ee0c2c553fcddf5138993e6dd9");
39
40/// Holesky genesis hash.
41pub const HOLESKY_GENESIS_HASH: B256 =
42    b256!("b5f7f912443c940f21fd611f12828d75b534364ed9e95ca4e307729a4661bde4");
43
44/// Hoodi genesis hash.
45pub const HOODI_GENESIS_HASH: B256 =
46    b256!("bbe312868b376a3001692a646dd2d7d1e4406380dfd86b98aa8a34d1557c971b");
47
48/// Testnet genesis hash.
49pub const DEV_GENESIS_HASH: B256 =
50    b256!("2f980576711e3617a5e4d83dd539548ec0f7792007d505a3d2e9674833af2d7c");
51
52/// Optimism goerli genesis hash.
53pub const GOERLI_OP_GENESIS: B256 =
54    b256!("c1fc15cd51159b1f1e5cbc4b82e85c1447ddfa33c52cf1d98d14fba0d6354be1");
55
56/// Base goerli genesis hash.
57pub const GOERLI_BASE_GENESIS: B256 =
58    b256!("a3ab140f15ea7f7443a4702da64c10314eb04d488e72974e02e2d728096b4f76");
59
60/// Ommer root of empty list.
61pub const EMPTY_OMMER_ROOT_HASH: B256 =
62    b256!("1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347");
63
64/// Transactions root of empty receipts set.
65pub const EMPTY_RECEIPTS: B256 = EMPTY_ROOT_HASH;
66
67/// Transactions root of empty transactions set.
68pub const EMPTY_TRANSACTIONS: B256 = EMPTY_ROOT_HASH;
69
70/// Withdrawals root of empty withdrawals set.
71pub const EMPTY_WITHDRAWALS: B256 = EMPTY_ROOT_HASH;
alloy_consensus/constants.rs

alloy_consensus/
constants.rs
