diff options
Diffstat (limited to 'src/qt/coincontroldialog.cpp')
| -rw-r--r-- | src/qt/coincontroldialog.cpp | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/qt/coincontroldialog.cpp b/src/qt/coincontroldialog.cpp index f909499952..837f8ba6c1 100644 --- a/src/qt/coincontroldialog.cpp +++ b/src/qt/coincontroldialog.cpp @@ -485,6 +485,7 @@ void CoinControlDialog::updateLabels(WalletModel *model, QDialog* dialog) unsigned int nQuantity = 0; int nQuantityUncompressed = 0; bool fAllowFree = false; + bool fWitness = false; std::vector<COutPoint> vCoinControl; std::vector<COutput> vOutputs; @@ -513,7 +514,14 @@ void CoinControlDialog::updateLabels(WalletModel *model, QDialog* dialog) // Bytes CTxDestination address; - if(ExtractDestination(out.tx->vout[out.i].scriptPubKey, address)) + int witnessversion = 0; + std::vector<unsigned char> witnessprogram; + if (out.tx->vout[out.i].scriptPubKey.IsWitnessProgram(witnessversion, witnessprogram)) + { + nBytesInputs += (32 + 4 + 1 + (107 / WITNESS_SCALE_FACTOR) + 4); + fWitness = true; + } + else if(ExtractDestination(out.tx->vout[out.i].scriptPubKey, address)) { CPubKey pubkey; CKeyID *keyid = boost::get<CKeyID>(&address); @@ -534,6 +542,14 @@ void CoinControlDialog::updateLabels(WalletModel *model, QDialog* dialog) { // Bytes nBytes = nBytesInputs + ((CoinControlDialog::payAmounts.size() > 0 ? CoinControlDialog::payAmounts.size() + 1 : 2) * 34) + 10; // always assume +1 output for change here + if (fWitness) + { + // there is some fudging in these numbers related to the actual virtual transaction size calculation that will keep this estimate from being exact. + // usually, the result will be an overestimate within a couple of satoshis so that the confirmation dialog ends up displaying a slightly smaller fee. + // also, the witness stack size value value is a variable sized integer. usually, the number of stack items will be well under the single byte var int limit. + nBytes += 2; // account for the serialized marker and flag bytes + nBytes += nQuantity; // account for the witness byte that holds the number of stack items for each input. + } // Priority double mempoolEstimatePriority = mempool.estimateSmartPriority(nTxConfirmTarget); |