nimbus-eth1/nimbus/evm/state_transactions.nim

59 lines
1.6 KiB
Nim

# Nimbus
# Copyright (c) 2018-2024 Status Research & Development GmbH
# Licensed under either of
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
# http://www.apache.org/licenses/LICENSE-2.0)
# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
# http://opensource.org/licenses/MIT)
# at your option. This file may not be copied, modified, or distributed except
# according to those terms.
import
eth/common/eth_types,
../constants,
../db/ledger,
../transaction,
./computation,
./interpreter_dispatch,
./interpreter/gas_costs,
./message,
./state,
./types
{.push raises: [].}
proc setupTxContext*(vmState: BaseVMState,
txCtx: sink TxContext,
forkOverride=Opt.none(EVMFork)) =
## this proc will be called each time a new transaction
## is going to be executed
vmState.txCtx = system.move(txCtx)
vmState.fork =
if forkOverride.isSome:
forkOverride.get
else:
vmState.determineFork
vmState.gasCosts = vmState.fork.forkToSchedule
proc preExecComputation(c: Computation) =
if not c.msg.isCreate:
c.vmState.mutateStateDB:
db.incNonce(c.msg.sender)
func postExecComputation(c: Computation) =
if c.isSuccess:
if c.fork < FkLondon:
# EIP-3529: Reduction in refunds
c.refundSelfDestruct()
c.vmState.status = c.isSuccess
proc execComputation*(c: Computation) =
c.preExecComputation()
c.execCallOrCreate()
c.postExecComputation()
template execSysCall*(c: Computation) =
# A syscall to EVM doesn't require
# a pre or post ceremony
c.execCallOrCreate()