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44 lines
1.6 KiB
Rust
44 lines
1.6 KiB
Rust
//! Ethereum protocol-related constants
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use crate::H256;
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use hex_literal::hex;
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/// The first four bytes of the call data for a function call specifies the function to be called.
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pub const SELECTOR_LEN: usize = 4;
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/// Initial base fee as defined in [EIP-1559](https://eips.ethereum.org/EIPS/eip-1559)
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pub const EIP1559_INITIAL_BASE_FEE: u64 = 1_000_000_000;
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/// Base fee max change denominator as defined in [EIP-1559](https://eips.ethereum.org/EIPS/eip-1559)
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pub const EIP1559_BASE_FEE_MAX_CHANGE_DENOMINATOR: u64 = 8;
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/// Elasticity multiplier as defined in [EIP-1559](https://eips.ethereum.org/EIPS/eip-1559)
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pub const EIP1559_ELASTICITY_MULTIPLIER: u64 = 2;
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/// Multiplier for converting gwei to wei.
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pub const GWEI_TO_WEI: u64 = 1_000_000_000;
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/// The Ethereum mainnet genesis hash.
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pub const MAINNET_GENESIS: H256 =
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H256(hex!("d4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3"));
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/// Goerli genesis hash.
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pub const GOERLI_GENESIS: H256 =
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H256(hex!("bf7e331f7f7c1dd2e05159666b3bf8bc7a8a3a9eb1d518969eab529dd9b88c1a"));
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/// Sepolia genesis hash.
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pub const SEPOLIA_GENESIS: H256 =
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H256(hex!("25a5cc106eea7138acab33231d7160d69cb777ee0c2c553fcddf5138993e6dd9"));
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/// Keccak256 over empty array.
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pub const KECCAK_EMPTY: H256 =
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H256(hex!("c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"));
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/// Ommer root of empty list.
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pub const EMPTY_OMMER_ROOT: H256 =
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H256(hex!("1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"));
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/// Withdrawals root of empty withdrawals set.
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pub const EMPTY_WITHDRAWALS: H256 =
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H256(hex!("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421"));
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