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Add bool PSBTInputSigned

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Refactor out a "PSBTInputSigned" function to check if a PSBT is signed,
for use in subsequent commits.

Also improve a related comment.

GitHub-Pull: #14588
Rebased-From: 53e6fffb8f
This commit is contained in:
Glenn Willen
2018-10-26 15:28:48 -07:00
committed by Pieter Wuille
parent 70ee1f8709
commit 39ece4fc28
3 changed files with 14 additions and 4 deletions
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8
src/script/sign.cpp
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@@ -233,10 +233,14 @@ bool ProduceSignature(const SigningProvider& provider, const BaseSignatureCreato
return sigdata.complete;
}
bool PSBTInputSigned(PSBTInput& input)
{
return !input.final_script_sig.empty() || !input.final_script_witness.IsNull();
}
bool SignPSBTInput(const SigningProvider& provider, const CMutableTransaction& tx, PSBTInput& input, SignatureData& sigdata, int index, int sighash)
{
// if this input has a final scriptsig or scriptwitness, don't do anything with it
if (!input.final_script_sig.empty() || !input.final_script_witness.IsNull()) {
if (PSBTInputSigned(input)) {
return true;
}