forks/go-ethereum
1
0
Fork 1
mirror of https://github.com/ethereum/go-ethereum.git synced 2026-07-26 22:56:43 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

review feedback

Browse source 
Signed-off-by: Guillaume Ballet <3272758+gballet@users.noreply.github.com>
This commit is contained in:
Guillaume Ballet 2025-04-07 13:19:07 +02:00
parent 13a09a48c4
commit f4e0f1bc46
1 changed files with 42 additions and 42 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

84
core/state/access_events.go
View file

@ -95,16 +95,16 @@ func (ae *AccessEvents) Copy() *AccessEvents {
// member fields of an account.
func (ae *AccessEvents) AddAccount(addr common.Address, isWrite bool, availableGas uint64) uint64 {
var gas uint64 // accumulate the consumed gas
consumed, wanted := ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.BasicDataLeafKey, isWrite, availableGas)
if consumed < wanted {
return wanted
consumed, expected := ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.BasicDataLeafKey, isWrite, availableGas)
if consumed < expected {
return expected
}
gas += consumed
consumed, wanted = ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.CodeHashLeafKey, isWrite, availableGas-consumed)
if consumed < wanted {
return wanted + gas
consumed, expected = ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.CodeHashLeafKey, isWrite, availableGas-consumed)
if consumed < expected {
return expected + gas
}
gas += wanted
gas += expected
return gas
}
@ -112,25 +112,25 @@ func (ae *AccessEvents) AddAccount(addr common.Address, isWrite bool, availableG
// cold member fields of an account, that need to be touched when making a message
// call to that account.
func (ae *AccessEvents) MessageCallGas(destination common.Address, availableGas uint64) uint64 {
_, wanted := ae.touchAddressAndChargeGas(destination, zeroTreeIndex, utils.BasicDataLeafKey, false, availableGas)
if wanted == 0 {
wanted = params.WarmStorageReadCostEIP2929
_, expected := ae.touchAddressAndChargeGas(destination, zeroTreeIndex, utils.BasicDataLeafKey, false, availableGas)
if expected == 0 {
expected = params.WarmStorageReadCostEIP2929
}
return wanted
return expected
}
// ValueTransferGas returns the gas to be charged for each of the currently
// cold balance member fields of the caller and the callee accounts.
func (ae *AccessEvents) ValueTransferGas(callerAddr, targetAddr common.Address, availableGas uint64) uint64 {
_, wanted1 := ae.touchAddressAndChargeGas(callerAddr, zeroTreeIndex, utils.BasicDataLeafKey, true, availableGas)
if wanted1 > availableGas {
return wanted1
_, expected1 := ae.touchAddressAndChargeGas(callerAddr, zeroTreeIndex, utils.BasicDataLeafKey, true, availableGas)
if expected1 > availableGas {
return expected1
}
_, wanted2 := ae.touchAddressAndChargeGas(targetAddr, zeroTreeIndex, utils.BasicDataLeafKey, true, availableGas-wanted1)
if wanted1+wanted2 > availableGas {
_, expected2 := ae.touchAddressAndChargeGas(targetAddr, zeroTreeIndex, utils.BasicDataLeafKey, true, availableGas-expected1)
if expected1+expected2 > availableGas {
return params.WarmStorageReadCostEIP2929
}
return wanted1 + wanted2
return expected1 + expected2
}
// ContractCreatePreCheckGas charges access costs before
@ -138,20 +138,20 @@ func (ae *AccessEvents) ValueTransferGas(callerAddr, targetAddr common.Address,
// address collision is done before the transfer, and so no write
// are guaranteed to happen at this point.
func (ae *AccessEvents) ContractCreatePreCheckGas(addr common.Address, availableGas uint64) uint64 {
consumed, wanted1 := ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.BasicDataLeafKey, false, availableGas)
_, wanted2 := ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.CodeHashLeafKey, false, availableGas-consumed)
return wanted1 + wanted2
consumed, expected1 := ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.BasicDataLeafKey, false, availableGas)
_, expected2 := ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.CodeHashLeafKey, false, availableGas-consumed)
return expected1 + expected2
}
// ContractCreateInitGas returns the access gas costs for the initialization of
// a contract creation.
func (ae *AccessEvents) ContractCreateInitGas(addr common.Address, availableGas uint64) (uint64, uint64) {
var gas uint64
consumed, wanted1 := ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.BasicDataLeafKey, true, availableGas)
consumed, expected1 := ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.BasicDataLeafKey, true, availableGas)
gas += consumed
consumed, wanted2 := ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.CodeHashLeafKey, true, availableGas-consumed)
consumed, expected2 := ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.CodeHashLeafKey, true, availableGas-consumed)
gas += consumed
return gas, wanted1 + wanted2
return gas, expected1 + expected2
}
// AddTxOrigin adds the member fields of the sender account to the access event list,
@ -171,15 +171,15 @@ func (ae *AccessEvents) AddTxDestination(addr common.Address, sendsValue, doesnt
// SlotGas returns the amount of gas to be charged for a cold storage access.
func (ae *AccessEvents) SlotGas(addr common.Address, slot common.Hash, isWrite bool, availableGas uint64, chargeWarmCosts bool) uint64 {
treeIndex, subIndex := utils.StorageIndex(slot.Bytes())
_, wanted := ae.touchAddressAndChargeGas(addr, *treeIndex, subIndex, isWrite, availableGas)
if wanted == 0 && chargeWarmCosts {
wanted = params.WarmStorageReadCostEIP2929
_, expected := ae.touchAddressAndChargeGas(addr, *treeIndex, subIndex, isWrite, availableGas)
if expected == 0 && chargeWarmCosts {
expected = params.WarmStorageReadCostEIP2929
}
return wanted
return expected
}
// touchAddressAndChargeGas adds any missing access event to the access event list, and returns the cold
// access cost to be charged, if need be.
// touchAddressAndChargeGas adds any missing access event to the access event list, and returns the
// consumed and required gas.
func (ae *AccessEvents) touchAddressAndChargeGas(addr common.Address, treeIndex uint256.Int, subIndex byte, isWrite bool, availableGas uint64) (uint64, uint64) {
branchKey := newBranchAccessKey(addr, treeIndex)
chunkKey := newChunkAccessKey(branchKey, subIndex)
@ -224,7 +224,7 @@ func (ae *AccessEvents) touchAddressAndChargeGas(addr common.Address, treeIndex
}
if availableGas < gas {
// consumed != wanted
// consumed != expected
return availableGas, gas
}
@ -241,7 +241,7 @@ func (ae *AccessEvents) touchAddressAndChargeGas(addr common.Address, treeIndex
ae.chunks[chunkKey] |= AccessWitnessWriteFlag
}
// consumed == wanted
// consumed == expected
return gas, gas
}
@ -293,10 +293,10 @@ func (ae *AccessEvents) CodeChunksRangeGas(contractAddr common.Address, startPC,
for chunkNumber := startPC / 31; chunkNumber <= endPC/31; chunkNumber++ {
treeIndex := *uint256.NewInt((chunkNumber + 128) / 256)
subIndex := byte((chunkNumber + 128) % 256)
consumed, wanted := ae.touchAddressAndChargeGas(contractAddr, treeIndex, subIndex, isWrite, availableGas)
consumed, expected := ae.touchAddressAndChargeGas(contractAddr, treeIndex, subIndex, isWrite, availableGas)
// did we OOG ?
if wanted > consumed {
return statelessGasCharged + consumed, statelessGasCharged + wanted
if expected > consumed {
return statelessGasCharged + consumed, statelessGasCharged + expected
}
var overflow bool
statelessGasCharged, overflow = math.SafeAdd(statelessGasCharged, consumed)
@ -313,14 +313,14 @@ func (ae *AccessEvents) CodeChunksRangeGas(contractAddr common.Address, startPC,
// Note that an access in write mode implies an access in read mode, whereas an
// access in read mode does not imply an access in write mode.
func (ae *AccessEvents) BasicDataGas(addr common.Address, isWrite bool, availableGas uint64, chargeWarmCosts bool) uint64 {
_, wanted := ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.BasicDataLeafKey, isWrite, availableGas)
if wanted == 0 && chargeWarmCosts {
_, expected := ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.BasicDataLeafKey, isWrite, availableGas)
if expected == 0 && chargeWarmCosts {
if availableGas < params.WarmStorageReadCostEIP2929 {
return availableGas
}
wanted = params.WarmStorageReadCostEIP2929
expected = params.WarmStorageReadCostEIP2929
}
return wanted
return expected
}
// CodeHashGas adds the account's code hash to the accessed data, and returns the
@ -329,12 +329,12 @@ func (ae *AccessEvents) BasicDataGas(addr common.Address, isWrite bool, availabl
// Note that an access in write mode implies an access in read mode, whereas an access in
// read mode does not imply an access in write mode.
func (ae *AccessEvents) CodeHashGas(addr common.Address, isWrite bool, availableGas uint64, chargeWarmCosts bool) uint64 {
_, wanted := ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.CodeHashLeafKey, isWrite, availableGas)
if wanted == 0 && chargeWarmCosts {
_, expected := ae.touchAddressAndChargeGas(addr, zeroTreeIndex, utils.CodeHashLeafKey, isWrite, availableGas)
if expected == 0 && chargeWarmCosts {
if availableGas < params.WarmStorageReadCostEIP2929 {
return availableGas
}
wanted = params.WarmStorageReadCostEIP2929
expected = params.WarmStorageReadCostEIP2929
}
return wanted
return expected
}