Implement joinpsbts RPC and tests

Adds a joinpsbts RPC which combines multiple distinct PSBTs into
one PSBT.
This commit is contained in:
Andrew Chow
2018-07-20 18:24:16 -07:00
parent 7344a7b998
commit 08f749c914
5 changed files with 115 additions and 0 deletions

View File

@ -321,6 +321,23 @@ class PSBTTest(BitcoinTestFramework):
assert "witness_utxo" not in decoded['inputs'][1] and "non_witness_utxo" not in decoded['inputs'][1]
assert "witness_utxo" not in decoded['inputs'][2] and "non_witness_utxo" not in decoded['inputs'][2]
# Two PSBTs with a common input should not be joinable
psbt1 = self.nodes[1].createpsbt([{"txid":txid1, "vout":vout1}], {self.nodes[0].getnewaddress():Decimal('10.999')})
assert_raises_rpc_error(-8, "exists in multiple PSBTs", self.nodes[1].joinpsbts, [psbt1, updated])
# Join two distinct PSBTs
addr4 = self.nodes[1].getnewaddress("", "p2sh-segwit")
txid4 = self.nodes[0].sendtoaddress(addr4, 5)
vout4 = find_output(self.nodes[0], txid4, 5)
self.nodes[0].generate(6)
self.sync_all()
psbt2 = self.nodes[1].createpsbt([{"txid":txid4, "vout":vout4}], {self.nodes[0].getnewaddress():Decimal('4.999')})
psbt2 = self.nodes[1].walletprocesspsbt(psbt2)['psbt']
psbt2_decoded = self.nodes[0].decodepsbt(psbt2)
assert "final_scriptwitness" in psbt2_decoded['inputs'][0] and "final_scriptSig" in psbt2_decoded['inputs'][0]
joined = self.nodes[0].joinpsbts([psbt, psbt2])
joined_decoded = self.nodes[0].decodepsbt(joined)
assert len(joined_decoded['inputs']) == 4 and len(joined_decoded['outputs']) == 2 and "final_scriptwitness" not in joined_decoded['inputs'][3] and "final_scriptSig" not in joined_decoded['inputs'][3]
if __name__ == '__main__':