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all: implement EIP-2929 (gas cost increases for state access opcodes) + yolo-v2 (#21509)

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* core/vm, core/state: implement EIP-2929 + YOLOv2

* core/state, core/vm: fix some review concerns

* core/state, core/vm: address review concerns

* core/vm: address review concerns

* core/vm: better documentation

* core/vm: unify sload cost as fully dynamic

* core/vm: fix typo

* core/vm/runtime: fix compilation flaw

* core/vm/runtime: fix renaming-err leftovers

* core/vm: renaming

* params/config: use correct yolov2 chainid for config

* core, params: use a proper new genesis for yolov2

* core/state/tests: golinter nitpicks
This commit is contained in:
Martin Holst Swende
2020-10-23 08:26:57 +02:00
committed by GitHub
parent fb2c79df19
commit 6487c002f6
28 changed files with 980 additions and 73 deletions
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25
core/vm/evm.go
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@ -42,11 +42,26 @@ type (
GetHashFunc func(uint64) common.Hash
)
// ActivePrecompiles returns the addresses of the precompiles enabled with the current
// configuration
func (evm *EVM) ActivePrecompiles() []common.Address {
switch {
case evm.chainRules.IsYoloV2:
return PrecompiledAddressesYoloV2
case evm.chainRules.IsIstanbul:
return PrecompiledAddressesIstanbul
case evm.chainRules.IsByzantium:
return PrecompiledAddressesByzantium
default:
return PrecompiledAddressesHomestead
}
}
func (evm *EVM) precompile(addr common.Address) (PrecompiledContract, bool) {
var precompiles map[common.Address]PrecompiledContract
switch {
case evm.chainRules.IsYoloV1:
precompiles = PrecompiledContractsYoloV1
case evm.chainRules.IsYoloV2:
precompiles = PrecompiledContractsYoloV2
case evm.chainRules.IsIstanbul:
precompiles = PrecompiledContractsIstanbul
case evm.chainRules.IsByzantium:
@ -416,7 +431,11 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
}
nonce := evm.StateDB.GetNonce(caller.Address())
evm.StateDB.SetNonce(caller.Address(), nonce+1)
// We add this to the access list _before_ taking a snapshot. Even if the creation fails,
// the access-list change should not be rolled back
if evm.chainRules.IsYoloV2 {
evm.StateDB.AddAddressToAccessList(address)
}
// Ensure there's no existing contract already at the designated address
contractHash := evm.StateDB.GetCodeHash(address)
if evm.StateDB.GetNonce(address) != 0 || (contractHash != (common.Hash{}) && contractHash != emptyCodeHash) {