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bip-322: clarify when to return ERROR in verify action

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Karl-Johan Alm 2019-08-08 01:08:12 +09:00
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@ -121,6 +121,8 @@ The resulting signature proof should be encoded using base64 encoding.
The "Verify" action takes as input a standard flags value, a script sig, an optional witness, and a purpose. The "Verify" action takes as input a standard flags value, a script sig, an optional witness, and a purpose.
It emits one of INCONCLUSIVE, VALID, INVALID, or ERROR. It emits one of INCONCLUSIVE, VALID, INVALID, or ERROR.
While omitted below, ERROR is returned if an unforeseen error occurs at any point in the process. A concrete example of this is if a legacy proof is given as input to a non-legacy address; the deserialization of the proof will fail in this case, and this should result in an ERROR result.
# Obtain the sighash and scriptPubKey from the purpose; pass on result code if not VALID # Obtain the sighash and scriptPubKey from the purpose; pass on result code if not VALID
# Verify Script with flags=consensus flags (currently P2SH, DERSIG, NULLDUMMY, CLTV, CSV, WITNESS), scriptSig=script sig, scriptPubKey=scriptPubKey, witness=witness, and sighash=sighash # Verify Script with flags=consensus flags (currently P2SH, DERSIG, NULLDUMMY, CLTV, CSV, WITNESS), scriptSig=script sig, scriptPubKey=scriptPubKey, witness=witness, and sighash=sighash
# Return INVALID if verification fails # Return INVALID if verification fails