diff options
Diffstat (limited to 'src/psbt.cpp')
-rw-r--r-- | src/psbt.cpp | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/src/psbt.cpp b/src/psbt.cpp index 184129e330..f31f2af0d1 100644 --- a/src/psbt.cpp +++ b/src/psbt.cpp @@ -340,129 +340,6 @@ std::string PSBTRoleName(PSBTRole role) { } } -PSBTAnalysis AnalyzePSBT(PartiallySignedTransaction psbtx) -{ - // Go through each input and build status - 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()); - - for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) { - PSBTInput& input = psbtx.inputs[i]; - PSBTInputAnalysis& input_analysis = result.inputs[i]; - - // Check for a UTXO - CTxOut utxo; - if (psbtx.GetInputUTXO(utxo, i)) { - in_amt += utxo.nValue; - input_analysis.has_utxo = true; - } else { - input_analysis.has_utxo = false; - input_analysis.is_final = false; - input_analysis.next = PSBTRole::UPDATER; - calc_fee = false; - } - - // 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; - bool complete = SignPSBTInput(DUMMY_SIGNING_PROVIDER, psbtx, i, 1, &outdata); - - // Things are missing - if (!complete) { - input_analysis.missing_pubkeys = outdata.missing_pubkeys; - input_analysis.missing_redeem_script = outdata.missing_redeem_script; - input_analysis.missing_witness_script = outdata.missing_witness_script; - input_analysis.missing_sigs = outdata.missing_sigs; - - // If we are only missing signatures and nothing else, then next is signer - 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()){ - input_analysis.is_final = true; - } - } - - if (all_final) { - only_missing_sigs = false; - result.next = PSBTRole::EXTRACTOR; - } - if (calc_fee) { - // Get the output amount - CAmount out_amt = std::accumulate(psbtx.tx->vout.begin(), psbtx.tx->vout.end(), CAmount(0), - [](CAmount a, const CTxOut& b) { - return a += b.nValue; - } - ); - - // Get the fee - CAmount fee = in_amt - out_amt; - result.fee = fee; - - // Estimate the size - CMutableTransaction mtx(*psbtx.tx); - CCoinsView view_dummy; - CCoinsViewCache view(&view_dummy); - bool success = true; - - for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) { - PSBTInput& input = psbtx.inputs[i]; - Coin newcoin; - - if (!SignPSBTInput(DUMMY_SIGNING_PROVIDER, psbtx, i, 1, nullptr, true) || !psbtx.GetInputUTXO(newcoin.out, i)) { - success = false; - break; - } else { - mtx.vin[i].scriptSig = input.final_script_sig; - mtx.vin[i].scriptWitness = input.final_script_witness; - newcoin.nHeight = 1; - view.AddCoin(psbtx.tx->vin[i].prevout, std::move(newcoin), true); - } - } - - if (success) { - CTransaction ctx = CTransaction(mtx); - size_t size = GetVirtualTransactionSize(ctx, GetTransactionSigOpCost(ctx, view, STANDARD_SCRIPT_VERIFY_FLAGS)); - result.estimated_vsize = size; - // Estimate fee rate - CFeeRate feerate(fee, size); - 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; -} - bool DecodeBase64PSBT(PartiallySignedTransaction& psbt, const std::string& base64_tx, std::string& error) { bool invalid; |