mirror of
https://github.com/status-im/nimbus-eth1.git
synced 2025-01-09 20:06:52 +00:00
97 lines
2.8 KiB
Nim
97 lines
2.8 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.
|
|
|
|
## EVM Opcodes, Definitions
|
|
## ========================
|
|
##
|
|
|
|
{.push raises: [].}
|
|
|
|
import
|
|
../../types,
|
|
../../../common/evmforks,
|
|
../../evm_errors,
|
|
../op_codes
|
|
|
|
type
|
|
VmCtx* = tuple
|
|
cpt: Computation ## computation text
|
|
|
|
VmOpFn* = ## general op handler, return codes are passed
|
|
## back via argument descriptor ``k``
|
|
proc(k: var VmCtx): EvmResultVoid {.nimcall, gcsafe, raises:[].}
|
|
|
|
|
|
VmOpHanders* = tuple ## three step op code execution, typically
|
|
## only the ``run`` entry is activated
|
|
prep: VmOpFn
|
|
run: VmOpFn
|
|
post: VmOpFn
|
|
|
|
|
|
VmOpExec* = tuple ## op code handler entry
|
|
opCode: Op ## index back-reference
|
|
forks: set[EVMFork] ## forks applicable for this operation
|
|
name: string ## handler name
|
|
info: string ## handter info, explainer
|
|
exec: VmOpHanders
|
|
|
|
# ------------------------------------------------------------------------------
|
|
# Public
|
|
# ------------------------------------------------------------------------------
|
|
|
|
const
|
|
VmOpIgnore*: VmOpFn = ## No operation, placeholder function
|
|
proc(k: var VmCtx): EvmResultVoid = ok()
|
|
|
|
# similar to: toSeq(Fork).mapIt({it}).foldl(a+b)
|
|
VmOpAllForks* =
|
|
{EVMFork.low .. EVMFork.high}
|
|
|
|
VmOpHomesteadAndLater* = ## Set of all fork symbols
|
|
VmOpAllForks - {FkFrontier}
|
|
|
|
VmOpTangerineAndLater* = ## Set of fork symbols starting from Homestead
|
|
VmOpHomesteadAndLater - {FkHomestead}
|
|
|
|
VmOpSpuriousAndLater* = ## ditto ...
|
|
VmOpTangerineAndLater - {FkTangerine}
|
|
|
|
VmOpByzantiumAndLater* =
|
|
VmOpSpuriousAndLater - {FkSpurious}
|
|
|
|
VmOpConstantinopleAndLater* =
|
|
VmOpByzantiumAndLater - {FkByzantium}
|
|
|
|
VmOpPetersburgAndLater* =
|
|
VmOpConstantinopleAndLater - {FkConstantinople}
|
|
|
|
VmOpIstanbulAndLater* =
|
|
VmOpPetersburgAndLater - {FkPetersburg}
|
|
|
|
VmOpBerlinAndLater* =
|
|
VmOpIstanbulAndLater - {FkIstanbul}
|
|
|
|
VmOpLondonAndLater* =
|
|
VmOpBerlinAndLater - {FkBerlin}
|
|
|
|
VmOpParisAndLater* =
|
|
VmOpLondonAndLater - {FkLondon}
|
|
|
|
VmOpShanghaiAndLater* =
|
|
VmOpParisAndLater - {FkParis}
|
|
|
|
VmOpCancunAndLater* =
|
|
VmOpShanghaiAndLater - {FkShanghai}
|
|
|
|
# ------------------------------------------------------------------------------
|
|
# End
|
|
# ------------------------------------------------------------------------------
|