mirror of
https://github.com/logos-storage/plonky2.git
synced 2026-01-12 02:33:06 +00:00
3f08cca116
- `GlobalMetadata` - offsets for global kernel variables in memory - `ContextMetadata` - offsets for context-specific kernel variables in memory - `GAS_CONSTANTS`, based on the yellowpaper Also move constants to a separate module since `aggregator` was getting long.
88 lines
2.5 KiB
Rust
88 lines
2.5 KiB
Rust
use std::collections::HashMap;
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use ethereum_types::U256;
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use hex_literal::hex;
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use crate::cpu::kernel::context_metadata::ContextMetadata;
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use crate::cpu::kernel::global_metadata::GlobalMetadata;
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use crate::cpu::kernel::txn_fields::NormalizedTxnField;
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use crate::memory::segments::Segment;
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/// Constants that are accessible to our kernel assembly code.
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pub fn evm_constants() -> HashMap<String, U256> {
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let mut c = HashMap::new();
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for (name, value) in EC_CONSTANTS {
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c.insert(name.into(), U256::from_big_endian(&value));
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}
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for (name, value) in GAS_CONSTANTS {
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c.insert(name.into(), U256::from(value));
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}
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for segment in Segment::all() {
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c.insert(segment.var_name().into(), (segment as u32).into());
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}
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for txn_field in NormalizedTxnField::all() {
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c.insert(txn_field.var_name().into(), (txn_field as u32).into());
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}
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for txn_field in GlobalMetadata::all() {
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c.insert(txn_field.var_name().into(), (txn_field as u32).into());
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}
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for txn_field in ContextMetadata::all() {
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c.insert(txn_field.var_name().into(), (txn_field as u32).into());
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}
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c
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}
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const EC_CONSTANTS: [(&str, [u8; 32]); 3] = [
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(
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"BN_BASE",
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hex!("30644e72e131a029b85045b68181585d97816a916871ca8d3c208c16d87cfd47"),
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),
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(
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"SECP_BASE",
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hex!("fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f"),
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),
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(
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"SECP_SCALAR",
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hex!("fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141"),
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),
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];
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const GAS_CONSTANTS: [(&str, u16); 36] = [
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("GAS_ZERO", 0),
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("GAS_JUMPDEST", 1),
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("GAS_BASE", 2),
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("GAS_VERYLOW", 3),
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("GAS_LOW", 5),
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("GAS_MID", 8),
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("GAS_HIGH", 10),
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("GAS_WARMACCESS", 100),
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("GAS_ACCESSLISTADDRESS", 2_400),
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("GAS_ACCESSLISTSTORAGE", 1_900),
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("GAS_COLDACCOUNTACCESS", 2_600),
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("GAS_COLDSLOAD", 2_100),
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("GAS_SSET", 20_000),
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("GAS_SRESET", 2_900),
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("REFUND_SCLEAR", 15_000),
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("REFUND_SELFDESTRUCT", 24_000),
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("GAS_SELFDESTRUCT", 5_000),
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("GAS_CREATE", 32_000),
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("GAS_CODEDEPOSIT", 200),
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("GAS_CALLVALUE", 9_000),
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("GAS_CALLSTIPEND", 2_300),
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("GAS_NEWACCOUNT", 25_000),
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("GAS_EXP", 10),
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("GAS_EXPBYTE", 50),
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("GAS_MEMORY", 3),
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("GAS_TXCREATE", 32_000),
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("GAS_TXDATAZERO", 4),
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("GAS_TXDATANONZERO", 16),
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("GAS_TRANSACTION", 21_000),
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("GAS_LOG", 375),
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("GAS_LOGDATA", 8),
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("GAS_LOGTOPIC", 375),
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("GAS_KECCAK256", 30),
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("GAS_KECCAK256WORD", 6),
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("GAS_COPY", 3),
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("GAS_BLOCKHASH", 20),
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];
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