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Factor out combine / finalize / extract PSBT helpers

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Refactor the new CombinePSBT, FinalizePSBT, and FinalizeAndExtractPSBT
general-purpose functions out of the combinepsbt and finalizepsbt RPCs,
for use in the GUI code.
This commit is contained in:
Glenn Willen
2019-01-09 03:08:32 -08:00
parent 78b9893d02
commit 102faad81e
6 changed files with 95 additions and 26 deletions
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27
src/psbt.h
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@@ -544,4 +544,31 @@ bool PSBTInputSigned(PSBTInput& input);
/** Signs a PSBTInput, verifying that all provided data matches what is being signed. */
bool SignPSBTInput(const SigningProvider& provider, PartiallySignedTransaction& psbt, int index, int sighash = SIGHASH_ALL);
/**
* Finalizes a PSBT if possible, combining partial signatures.
*
* @param[in,out] &psbtx reference to PartiallySignedTransaction to finalize
* return True if the PSBT is now complete, false otherwise
*/
bool FinalizePSBT(PartiallySignedTransaction& psbtx);
/**
* Finalizes a PSBT if possible, and extracts it to a CMutableTransaction if it could be finalized.
*
* @param[in] &psbtx reference to PartiallySignedTransaction
* @param[out] result CMutableTransaction representing the complete transaction, if successful
* @return True if we successfully extracted the transaction, false otherwise
*/
bool FinalizeAndExtractPSBT(PartiallySignedTransaction& psbtx, CMutableTransaction& result);
/**
* Combines PSBTs with the same underlying transaction, resulting in a single PSBT with all partial signatures from each input.
*
* @param[out] &out the combined PSBT, if successful
* @param[out] &error reference to TransactionError to fill with error info on failure
* @param[in] psbtxs the PSBTs to combine
* @return True if we successfully combined the transactions, false if they were not compatible
*/
bool CombinePSBTs(PartiallySignedTransaction& out, TransactionError& error, const std::vector<PartiallySignedTransaction>& psbtxs);
#endif // BITCOIN_PSBT_H