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29 lines
815 B
Nim
29 lines
815 B
Nim
import pkg/contractabi/selector
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import ./basics
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type SolidityError* = object of EthersError
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{.push raises:[].}
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template errors*(types) {.pragma.}
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func decode*[E: SolidityError](_: type E, data: seq[byte]): ?!(ref E) =
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const name = $E
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const selector = selector(name, typeof(()))
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if data.len < 4:
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return failure "unable to decode " & name & ": signature too short"
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if selector.toArray[0..<4] != data[0..<4]:
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return failure "unable to decode " & name & ": signature doesn't match"
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success (ref E)()
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template convertCustomErrors*[ErrorTypes: tuple](body: untyped): untyped =
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try:
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body
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except ProviderError as error:
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block:
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if data =? error.data:
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for e in ErrorTypes.default.fields:
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if error =? typeof(e).decode(data):
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raise error
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raise error
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