31 lines
922 B
Nim
31 lines
922 B
Nim
|
import std/unittest
|
||
|
|
import pkg/questionable/results
|
||
|
|
import pkg/ethers/errors
|
||
|
|
|
||
|
|
suite "Decoding of custom errors":
|
||
|
|
|
||
|
|
type SimpleError = object of SolidityError
|
||
|
|
|
||
|
|
test "decodes a simple error":
|
||
|
|
let decoded = SimpleError.decode(@[0xc2'u8, 0xbb, 0x94, 0x7c])
|
||
|
|
check decoded is ?!(ref SimpleError)
|
||
|
|
check decoded.isSuccess
|
||
|
|
check (!decoded) != nil
|
||
|
|
|
||
|
|
test "returns failure when decoding fails":
|
||
|
|
let invalid = @[0xc2'u8, 0xbb, 0x94, 0x0] # last byte is wrong
|
||
|
|
let decoded = SimpleError.decode(invalid)
|
||
|
|
check decoded.isFailure
|
||
|
|
|
||
|
|
test "returns failure when data is less than 4 bytes":
|
||
|
|
let invalid = @[0xc2'u8, 0xbb, 0x94]
|
||
|
|
let decoded = SimpleError.decode(invalid)
|
||
|
|
check decoded.isFailure
|
||
|
|
|
||
|
|
test "decoding only works for SolidityErrors":
|
||
|
|
type InvalidError = ref object of CatchableError
|
||
|
|
const works = compiles:
|
||
|
|
InvalidError.decode(@[0x1'u8, 0x2, 0x3, 0x4])
|
||
|
|
check not works
|
||
|
|
|