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trie: avoid intermediate copies of balance

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This commit is contained in:
Felix Lange 2024-08-30 11:22:47 +02:00
parent f42e55053e
commit 1733ea4d7b
1 changed files with 7 additions and 6 deletions
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13
trie/verkle.go
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@ -96,10 +96,9 @@ func (t *VerkleTrie) GetAccount(addr common.Address) (*types.StateAccount, error
if values == nil {
return nil, nil
}
acc.Nonce = binary.BigEndian.Uint64(values[utils.BasicDataLeafKey][utils.BasicDataNonceOffset:])
var balance [16]byte
copy(balance[:], values[utils.BasicDataLeafKey][utils.BasicDataBalanceOffset:])
acc.Balance = new(uint256.Int).SetBytes(balance[:])
basicData := values[utils.BasicDataLeafKey]
acc.Nonce = binary.BigEndian.Uint64(basicData[utils.BasicDataNonceOffset:])
acc.Balance = new(uint256.Int).SetBytes(basicData[utils.BasicDataBalanceOffset : utils.BasicDataBalanceOffset+16])
acc.CodeHash = values[utils.CodeHashLeafKey]
// TODO account.Root is leave as empty. How should we handle the legacy account?
@ -133,8 +132,10 @@ func (t *VerkleTrie) UpdateAccount(addr common.Address, acc *types.StateAccount,
// 4 bytes, so we need to shift the offset 1 byte to the left.
binary.BigEndian.PutUint32(basicData[utils.BasicDataCodeSizeOffset-1:], uint32(codeLen))
binary.BigEndian.PutUint64(basicData[utils.BasicDataNonceOffset:], acc.Nonce)
balanceBytes := acc.Balance.Bytes()
copy(basicData[32-len(balanceBytes):], balanceBytes[:])
if acc.Balance.ByteLen() > 16 {
panic("balance too large")
}
acc.Balance.WriteToSlice(basicData[utils.BasicDataBalanceOffset : utils.BasicDataBalanceOffset+16])
values[utils.BasicDataLeafKey] = basicData[:]
values[utils.CodeHashLeafKey] = acc.CodeHash[:]