diff options
Diffstat (limited to 'src/node/psbt.cpp')
| -rw-r--r-- | src/node/psbt.cpp | 31 |
1 files changed, 11 insertions, 20 deletions
diff --git a/src/node/psbt.cpp b/src/node/psbt.cpp index 8678b33cf3..5b16035f7d 100644 --- a/src/node/psbt.cpp +++ b/src/node/psbt.cpp @@ -18,9 +18,7 @@ PSBTAnalysis AnalyzePSBT(PartiallySignedTransaction psbtx) PSBTAnalysis result; bool calc_fee = true; - bool all_final = true; - bool only_missing_sigs = true; - bool only_missing_final = false; + CAmount in_amt = 0; result.inputs.resize(psbtx.tx->vin.size()); @@ -29,6 +27,9 @@ PSBTAnalysis AnalyzePSBT(PartiallySignedTransaction psbtx) PSBTInput& input = psbtx.inputs[i]; PSBTInputAnalysis& input_analysis = result.inputs[i]; + // We set next role here and ratchet backwards as required + input_analysis.next = PSBTRole::EXTRACTOR; + // Check for a UTXO CTxOut utxo; if (psbtx.GetInputUTXO(utxo, i)) { @@ -57,7 +58,6 @@ PSBTAnalysis AnalyzePSBT(PartiallySignedTransaction psbtx) // Check if it is final if (!utxo.IsNull() && !PSBTInputSigned(input)) { input_analysis.is_final = false; - all_final = false; // Figure out what is missing SignatureData outdata; @@ -74,11 +74,9 @@ PSBTAnalysis AnalyzePSBT(PartiallySignedTransaction psbtx) if (outdata.missing_pubkeys.empty() && outdata.missing_redeem_script.IsNull() && outdata.missing_witness_script.IsNull() && !outdata.missing_sigs.empty()) { input_analysis.next = PSBTRole::SIGNER; } else { - only_missing_sigs = false; input_analysis.next = PSBTRole::UPDATER; } } else { - only_missing_final = true; input_analysis.next = PSBTRole::FINALIZER; } } else if (!utxo.IsNull()){ @@ -86,10 +84,14 @@ PSBTAnalysis AnalyzePSBT(PartiallySignedTransaction psbtx) } } - if (all_final) { - only_missing_sigs = false; - result.next = PSBTRole::EXTRACTOR; + // Calculate next role for PSBT by grabbing "minimum" PSBTInput next role + result.next = PSBTRole::EXTRACTOR; + for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) { + PSBTInputAnalysis& input_analysis = result.inputs[i]; + result.next = std::min(result.next, input_analysis.next); } + assert(result.next > PSBTRole::CREATOR); + if (calc_fee) { // Get the output amount CAmount out_amt = std::accumulate(psbtx.tx->vout.begin(), psbtx.tx->vout.end(), CAmount(0), @@ -139,17 +141,6 @@ PSBTAnalysis AnalyzePSBT(PartiallySignedTransaction psbtx) result.estimated_feerate = feerate; } - if (only_missing_sigs) { - result.next = PSBTRole::SIGNER; - } else if (only_missing_final) { - result.next = PSBTRole::FINALIZER; - } else if (all_final) { - result.next = PSBTRole::EXTRACTOR; - } else { - result.next = PSBTRole::UPDATER; - } - } else { - result.next = PSBTRole::UPDATER; } return result; |