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chore: add eip4844 constants (#3906)

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This commit is contained in:
Matthias Seitz
2023-07-25 15:49:41 +02:00
committed by GitHub
parent ab9a2e6c2e
commit dc52650018
2 changed files with 28 additions and 0 deletions
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25
crates/primitives/src/constants/eip4844.rs Normal file
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@@ -0,0 +1,25 @@
//! [EIP-4844](https://eips.ethereum.org/EIPS/eip-4844#parameters) protocol constants for shard Blob Transactions.
/// Size a single field element in bytes.
pub const FIELD_ELEMENT_BYTES: u64 = 32;
/// How many field elements are stored in a single data blob.
pub const FIELD_ELEMENTS_PER_BLOB: u64 = 4096;
/// Gas consumption of a single data blob.
pub const DATA_GAS_PER_BLOB: u64 = 131_072u64; // 32*4096 = 131072 == 2^17 == 0x20000
/// Maximum data gas for data blobs in a single block.
pub const MAX_DATA_GAS_PER_BLOCK: u64 = 786_432u64; // 0xC0000
/// Target data gas for data blobs in a single block.
pub const TARGET_DATA_GAS_PER_BLOCK: u64 = 393_216u64; // 0x60000
/// Maximum number of data blobs in a single block.
pub const MAX_BLOBS_PER_BLOCK: u64 = MAX_DATA_GAS_PER_BLOCK / DATA_GAS_PER_BLOB; // 786432 / 131072 = 6
/// Target number of data blobs in a single block.
pub const TARGET_BLOBS_PER_BLOCK: u64 = TARGET_DATA_GAS_PER_BLOCK / DATA_GAS_PER_BLOB; // 393216 / 131072 = 3
/// Used to determine the price for next data blob
pub const BLOB_GASPRICE_UPDATE_FRACTION: u64 = 3_338_477u64; // 3338477

3
crates/primitives/src/constants.rs → crates/primitives/src/constants/mod.rs
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@@ -4,6 +4,9 @@ use crate::{H256, U256};
use hex_literal::hex;
use std::time::Duration;
/// [EIP-4844](https://eips.ethereum.org/EIPS/eip-4844#parameters) constants.
pub mod eip4844;
/// The client version: `reth/v{major}.{minor}.{patch}`
pub const RETH_CLIENT_VERSION: &str = concat!("reth/v", env!("CARGO_PKG_VERSION"));