49 lines
1.2 KiB
Nim
49 lines
1.2 KiB
Nim
import std/strutils
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import ./provider
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import ./signer
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proc revertReason*(emsg: string): string =
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var msg = emsg
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const revertPrefixes = @[
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# hardhat
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"Error: VM Exception while processing transaction: reverted with " &
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"reason string ",
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# ganache
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"VM Exception while processing transaction: revert "
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]
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for prefix in revertPrefixes.items:
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msg = msg.replace(prefix)
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msg = msg.replace("\'")
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return msg
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proc revertReason*(e: ref EthersError): string =
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var msg = e.msg
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msg.revertReason
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proc reverts*[T](call: Future[T]): Future[bool] {.async.} =
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try:
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when T is void:
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await call
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else:
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discard await call
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return false
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except ProviderError, EstimateGasError:
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return true
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proc reverts*[T](call: Future[T], reason: string): Future[bool] {.async.} =
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try:
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when T is void:
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await call
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else:
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discard await call
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return false
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except ProviderError, EstimateGasError:
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let e = getCurrentException()
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var passed = reason == (ref EthersError)(e).revertReason
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if not passed and
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not e.parent.isNil and
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e.parent of (ref EthersError):
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let revertReason = (ref EthersError)(e.parent).revertReason
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passed = reason == revertReason
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return passed
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