95 lines
2.8 KiB
Nim
95 lines
2.8 KiB
Nim
# Nimbus
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# Copyright (c) 2018-2023 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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import
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../../types,
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../../../common/evmforks,
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../op_codes
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type
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Vm2Ctx* = tuple
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cpt: Computation ## computation text
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rc: int ## return code from op handler
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Vm2OpFn* = ## general op handler, return codes are passed
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## back via argument descriptor ``k``
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proc(k: var Vm2Ctx) {.gcsafe, raises: [CatchableError].}
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Vm2OpHanders* = tuple ## three step op code execution, typically
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## only the ``run`` entry is activated
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prep: Vm2OpFn
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run: Vm2OpFn
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post: Vm2OpFn
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Vm2OpExec* = 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: Vm2OpHanders
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# ------------------------------------------------------------------------------
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# Public
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# ------------------------------------------------------------------------------
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const
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vm2OpIgnore*: Vm2OpFn = ## No operation, placeholder function
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proc(k: var Vm2Ctx) = discard
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# similar to: toSeq(Fork).mapIt({it}).foldl(a+b)
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Vm2OpAllForks* =
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{EVMFork.low .. EVMFork.high}
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Vm2OpHomesteadAndLater* = ## Set of all fork symbols
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Vm2OpAllForks - {FkFrontier}
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Vm2OpTangerineAndLater* = ## Set of fork symbols starting from Homestead
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Vm2OpHomesteadAndLater - {FkHomestead}
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Vm2OpSpuriousAndLater* = ## ditto ...
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Vm2OpTangerineAndLater - {FkTangerine}
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Vm2OpByzantiumAndLater* =
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Vm2OpSpuriousAndLater - {FkSpurious}
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Vm2OpConstantinopleAndLater* =
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Vm2OpByzantiumAndLater - {FkByzantium}
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Vm2OpPetersburgAndLater* =
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Vm2OpConstantinopleAndLater - {FkConstantinople}
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Vm2OpIstanbulAndLater* =
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Vm2OpPetersburgAndLater - {FkPetersburg}
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Vm2OpBerlinAndLater* =
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Vm2OpIstanbulAndLater - {FkIstanbul}
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Vm2OpLondonAndLater* =
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Vm2OpBerlinAndLater - {FkBerlin}
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Vm2OpParisAndLater* =
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Vm2OpLondonAndLater - {FkLondon}
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Vm2OpShanghaiAndLater* =
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Vm2OpParisAndLater - {FkParis}
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Vm2OpCancunAndLater* =
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Vm2OpShanghaiAndLater - {FkShanghai}
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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