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test: support asset issuance in test framework sighashes

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Replaces #932
This commit is contained in:
Andrew Poelstra 2021-09-19 20:16:37 +00:00
parent 34eafaf761
commit 0907fa0f6f
1 changed files with 17 additions and 3 deletions
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20
test/functional/test_framework/script.py
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@ -763,7 +763,16 @@ def LegacySignatureHash(script, txTo, inIdx, hashtype, enable_sighash_rangeproof
# do manual sighash serialization:
s = b""
s += struct.pack("<i", txtmp.nVersion)
s += ser_vector(txtmp.vin)
# ELEMENTS: vin serialization is different from non-witness serialization (pegin/issuance
# flags are not set in the sighash)
s += ser_compact_size(len(txtmp.vin))
for i in range(len(txtmp.vin)):
s += txtmp.vin[i].prevout.serialize()
s += ser_string(txtmp.vin[i].scriptSig)
s += struct.pack("<I", txtmp.vin[i].nSequence)
if not txtmp.vin[i].assetIssuance.isNull():
s += txtmp.vin[i].assetIssuance.serialize()
# If SIGHASH_RANGEPROOF is set, we need to add the rangeproof serialization after each output
if enable_sighash_rangeproof and hashtype & SIGHASH_RANGEPROOF:
s += ser_compact_size(len(txtmp.vout))
@ -812,8 +821,11 @@ def SegwitV0SignatureHash(script, txTo, inIdx, hashtype, amount, enable_sighash_
if not (hashtype & SIGHASH_ANYONECANPAY):
serialize_issuance = bytes()
# TODO actually serialize issuances
for _ in txTo.vin:
serialize_issuance += b'\x00'
for inp in txTo.vin:
if inp.assetIssuance.isNull():
serialize_issuance += b'\x00'
else:
serialize_issuance += inp.assetIssuance.serialize()
hashIssuance = uint256_from_str(hash256(serialize_issuance))
if ((hashtype & 0x1f) != SIGHASH_SINGLE and (hashtype & 0x1f) != SIGHASH_NONE):
@ -848,6 +860,8 @@ def SegwitV0SignatureHash(script, txTo, inIdx, hashtype, amount, enable_sighash_
ss += ser_string(script)
ss += amount.serialize()
ss += struct.pack("<I", txTo.vin[inIdx].nSequence)
if not txTo.vin[inIdx].assetIssuance.isNull():
ss += txTo.vin[inIdx].assetIssuance.serialize()
ss += ser_uint256(hashOutputs)
if enable_sighash_rangeproof and hashtype & SIGHASH_RANGEPROOF:
ss += ser_uint256(hashRangeproofs)