65 lines
1.8 KiB
Nim
65 lines
1.8 KiB
Nim
# Nimbus
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# Copyright (c) 2018-2024 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
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# http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except
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# according to those terms.
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import
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eth/common/eth_types,
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../constants,
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../db/ledger,
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../transaction,
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./computation,
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./interpreter_dispatch,
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./interpreter/gas_costs,
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./message,
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./state,
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./types
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{.push raises: [].}
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proc setupTxContext*(vmState: BaseVMState,
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txCtx: sink TxContext,
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forkOverride=none(EVMFork)) =
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## this proc will be called each time a new transaction
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## is going to be executed
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vmState.txCtx = system.move(txCtx)
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vmState.fork =
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if forkOverride.isSome:
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forkOverride.get
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else:
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vmState.determineFork
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vmState.gasCosts = vmState.fork.forkToSchedule
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# FIXME-awkwardFactoring: the factoring out of the pre and
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# post parts feels awkward to me, but for now I'd really like
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# not to have too much duplicated code between sync and async.
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# --Adam
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proc preExecComputation(c: Computation) =
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if not c.msg.isCreate:
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c.vmState.mutateStateDB:
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db.incNonce(c.msg.sender)
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proc postExecComputation(c: Computation) =
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if c.isSuccess:
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if c.fork < FkLondon:
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# EIP-3529: Reduction in refunds
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c.refundSelfDestruct()
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c.vmState.status = c.isSuccess
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proc execComputation*(c: Computation)
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{.gcsafe, raises: [CatchableError].} =
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c.preExecComputation()
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c.execCallOrCreate()
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c.postExecComputation()
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template execSysCall*(c: Computation) =
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# A syscall to EVM doesn't require
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# a pre or post ceremony
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c.execCallOrCreate()
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