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Helper procs for updating opcode executor based on fork

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This commit is contained in:
coffeepots 2018-09-18 13:10:30 +01:00
parent d435e434ec
commit b49637cdbf
1 changed files with 14 additions and 6 deletions
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20
nimbus/vm/interpreter_dispatch.nim
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@ -222,14 +222,22 @@ macro genFrontierDispatch(computation: BaseComputation): untyped =
proc frontierVM(computation: var BaseComputation) =
genFrontierDispatch(computation)
proc updateOpcodeExec*(computation: var BaseComputation, fork: Fork) =
case fork
of FkFrontier:
computation.opCodeExec = frontierVM
computation.frontierVM()
else:
raise newException(VMError, "Unknown or not implemented fork: " & $fork)
proc updateOpcodeExec*(computation: var BaseComputation) =
let fork = computation.vmState.blockHeader.blockNumber.toFork
computation.updateOpcodeExec(fork)
proc executeOpcodes*(computation: var BaseComputation) =
# TODO: Optimise getting fork and updating opCodeExec only when necessary
let fork = computation.vmState.blockHeader.blockNumber.toFork
try:
case fork
of FkFrontier:
computation.opCodeExec = frontierVM
computation.frontierVM()
else:
raise newException(ValueError, "not implemented fork: " & $fork)
computation.updateOpcodeExec(fork)
except VMError:
computation.error = Error(info: getCurrentExceptionMsg())