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Merge bitcoin/bitcoin#28492: RPC: descriptorprocesspsbt returns hex encoded tx if complete

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a99e9e655a doc: add release note (ismaelsadeeq)
2b4edf889a test: check `descriptorprocesspsbt` return hex encoded tx (ismaelsadeeq)
c405207a18 rpc: `descriptorprocesspsbt` return hex encoded tx (ismaelsadeeq)

Pull request description:

  Coming from [#28414 comment](https://github.com/bitcoin/bitcoin/pull/28414#pullrequestreview-1618684391) Same thing also for `descriptorprocesspsbt`.

  Before this PR `descriptorprocesspsbt` returns a boolean `complete` which indicates that the psbt is final, users then have to call `finalizepsbt` to get the hex encoded network transaction.

  In this PR if the psbt is complete the return object also has the hex encoded network transaction ready for broadcast with `sendrawtransaction`.

  This save users calling `finalizepsbt` with the descriptor, if it is already complete.

ACKs for top commit:
  achow101:
    ACK a99e9e655a
  pinheadmz:
    ACK a99e9e655a
  ishaanam:
    ACK a99e9e655a

Tree-SHA512: c3f1b1391d4df05216c463127cd593f8703840430a99febb54890bc66fadabf9d9530860605f347ec54c1694019173247a0e7a9eb879d3cbb420f9e8d9839b75
This commit is contained in:
Andrew Chow
2023-09-23 11:48:05 -04:00
parent b000ed5ee5 a99e9e655a
commit 719cb301e6
3 changed files with 23 additions and 9 deletions
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10
src/rpc/rawtransaction.cpp
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@@ -1949,6 +1949,7 @@ RPCHelpMan descriptorprocesspsbt()
{
{RPCResult::Type::STR, "psbt", "The base64-encoded partially signed transaction"},
{RPCResult::Type::BOOL, "complete", "If the transaction has a complete set of signatures"},
{RPCResult::Type::STR_HEX, "hex", /*optional=*/true, "The hex-encoded network transaction if complete"},
}
},
RPCExamples{
@@ -1989,7 +1990,14 @@ RPCHelpMan descriptorprocesspsbt()
result.pushKV("psbt", EncodeBase64(ssTx));
result.pushKV("complete", complete);
if (complete) {
CMutableTransaction mtx;
PartiallySignedTransaction psbtx_copy = psbtx;
CHECK_NONFATAL(FinalizeAndExtractPSBT(psbtx_copy, mtx));
CDataStream ssTx_final(SER_NETWORK, PROTOCOL_VERSION);
ssTx_final << mtx;
result.pushKV("hex", HexStr(ssTx_final));
}
return result;
},
};