89 lines
2.6 KiB
Nim
89 lines
2.6 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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## EVM Opcodes, Definitions
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## ========================
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##
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{.push raises: [].}
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import
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../../types,
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../../../common/evmforks,
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../../evm_errors,
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../op_codes
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type
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VmCtx* = tuple
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cpt: Computation ## computation text
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VmOpFn* = ## general op handler, return codes are passed
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## back via argument descriptor ``k``
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proc(k: var VmCtx): EvmResultVoid {.nimcall, gcsafe, raises:[].}
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VmOpExec* = tuple ## op code handler entry
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opCode: Op ## index back-reference
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forks: set[EVMFork] ## forks applicable for this operation
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name: string ## handler name
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info: string ## handter info, explainer
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exec: VmOpFn
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# ------------------------------------------------------------------------------
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# Public
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# ------------------------------------------------------------------------------
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const
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VmOpIgnore*: VmOpFn = ## No operation, placeholder function
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proc(k: var VmCtx): EvmResultVoid = ok()
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# similar to: toSeq(Fork).mapIt({it}).foldl(a+b)
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VmOpAllForks* =
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{EVMFork.low .. EVMFork.high}
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VmOpHomesteadAndLater* = ## Set of all fork symbols
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VmOpAllForks - {FkFrontier}
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VmOpTangerineAndLater* = ## Set of fork symbols starting from Homestead
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VmOpHomesteadAndLater - {FkHomestead}
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VmOpSpuriousAndLater* = ## ditto ...
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VmOpTangerineAndLater - {FkTangerine}
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VmOpByzantiumAndLater* =
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VmOpSpuriousAndLater - {FkSpurious}
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VmOpConstantinopleAndLater* =
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VmOpByzantiumAndLater - {FkByzantium}
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VmOpPetersburgAndLater* =
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VmOpConstantinopleAndLater - {FkConstantinople}
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VmOpIstanbulAndLater* =
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VmOpPetersburgAndLater - {FkPetersburg}
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VmOpBerlinAndLater* =
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VmOpIstanbulAndLater - {FkIstanbul}
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VmOpLondonAndLater* =
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VmOpBerlinAndLater - {FkBerlin}
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VmOpParisAndLater* =
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VmOpLondonAndLater - {FkLondon}
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VmOpShanghaiAndLater* =
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VmOpParisAndLater - {FkParis}
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VmOpCancunAndLater* =
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VmOpShanghaiAndLater - {FkShanghai}
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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