mirror of https://github.com/status-im/nim-eth.git
30 lines
1.2 KiB
Nim
30 lines
1.2 KiB
Nim
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import
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testutils/fuzzing, stew/byteutils,
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eth/rlp, eth/p2p/discoveryv5/enr
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test:
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block:
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# This is fuzzing the full ENR deserialisation. As ENRs contain a signature
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# this will practically always fail. So the second (encoding) steps will
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# never be reached.
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# However, as the signature checking is done at the end, a big part of the
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# parsing will still be fuzzed.
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let decoded = try: rlp.decode(payload, enr.Record)
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except RlpError as e:
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debug "decode failed", err = e.msg
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break
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except ValueError as e:
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debug "decode failed", err = e.msg
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break
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let encoded = try: rlp.encode(decoded)
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except RlpError as e:
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debug "decode failed", err = e.msg
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doAssert(false, "decoding worked but encoding failed")
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break
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if encoded != payload.toOpenArray(0, encoded.len - 1):
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echo "payload: ", toHex(payload.toOpenArray(0, encoded.len - 1))
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echo "encoded: ", toHex(encoded)
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doAssert(false, "re-encoded result does not equal original payload")
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