26 lines
617 B
Nim
26 lines
617 B
Nim
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import std/json
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import std/strutils
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import pkg/asynctest
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import pkg/ethers
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proc revertReason*(e: ref ValueError): string =
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try:
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let json = parseJson(e.msg)
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var msg = json{"message"}.getStr
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const revertPrefix =
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"Error: VM Exception while processing transaction: reverted with " &
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"reason string "
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msg = msg.replace(revertPrefix)
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msg = msg.replace("\'", "")
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return msg
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except JsonParsingError:
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return ""
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template revertsWith*(reason, body) =
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var revertReason = ""
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try:
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body
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except ValueError as e:
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revertReason = e.revertReason
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check revertReason == reason
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