diff options
Diffstat (limited to 'src/qt/transactionrecord.cpp')
| -rw-r--r-- | src/qt/transactionrecord.cpp | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/src/qt/transactionrecord.cpp b/src/qt/transactionrecord.cpp new file mode 100644 index 0000000000..6c1f3a5e58 --- /dev/null +++ b/src/qt/transactionrecord.cpp @@ -0,0 +1,254 @@ +#include "transactionrecord.h" + + +/* Return positive answer if transaction should be shown in list. + */ +bool TransactionRecord::showTransaction(const CWalletTx &wtx) +{ + if (wtx.IsCoinBase()) + { + // Don't show generated coin until confirmed by at least one block after it + // so we don't get the user's hopes up until it looks like it's probably accepted. + // + // It is not an error when generated blocks are not accepted. By design, + // some percentage of blocks, like 10% or more, will end up not accepted. + // This is the normal mechanism by which the network copes with latency. + // + // We display regular transactions right away before any confirmation + // because they can always get into some block eventually. Generated coins + // are special because if their block is not accepted, they are not valid. + // + if (wtx.GetDepthInMainChain() < 2) + { + return false; + } + } + return true; +} + +/* Decompose CWallet transaction to model transaction records. + */ +QList<TransactionRecord> TransactionRecord::decomposeTransaction(const CWalletTx &wtx) +{ + QList<TransactionRecord> parts; + int64 nTime = wtx.nTimeDisplayed = wtx.GetTxTime(); + int64 nCredit = wtx.GetCredit(true); + int64 nDebit = wtx.GetDebit(); + int64 nNet = nCredit - nDebit; + uint256 hash = wtx.GetHash(); + std::map<std::string, std::string> mapValue = wtx.mapValue; + + if (showTransaction(wtx)) + { + if (nNet > 0 || wtx.IsCoinBase()) + { + // + // Credit + // + TransactionRecord sub(hash, nTime); + + sub.credit = nNet; + + if (wtx.IsCoinBase()) + { + // Generated + sub.type = TransactionRecord::Generated; + + if (nCredit == 0) + { + int64 nUnmatured = 0; + BOOST_FOREACH(const CTxOut& txout, wtx.vout) + nUnmatured += txout.GetCredit(); + sub.credit = nUnmatured; + } + } + else if (!mapValue["from"].empty() || !mapValue["message"].empty()) + { + // Received by IP connection + sub.type = TransactionRecord::RecvFromIP; + if (!mapValue["from"].empty()) + sub.address = mapValue["from"]; + } + else + { + // Received by Bitcoin Address + sub.type = TransactionRecord::RecvWithAddress; + BOOST_FOREACH(const CTxOut& txout, wtx.vout) + { + if (txout.IsMine()) + { + std::vector<unsigned char> vchPubKey; + if (ExtractPubKey(txout.scriptPubKey, true, vchPubKey)) + { + sub.address = PubKeyToAddress(vchPubKey); + } + break; + } + } + } + parts.append(sub); + } + else + { + bool fAllFromMe = true; + BOOST_FOREACH(const CTxIn& txin, wtx.vin) + fAllFromMe = fAllFromMe && txin.IsMine(); + + bool fAllToMe = true; + BOOST_FOREACH(const CTxOut& txout, wtx.vout) + fAllToMe = fAllToMe && txout.IsMine(); + + if (fAllFromMe && fAllToMe) + { + // Payment to self + int64 nChange = wtx.GetChange(); + + parts.append(TransactionRecord(hash, nTime, TransactionRecord::SendToSelf, "", + -(nDebit - nChange), nCredit - nChange)); + } + else if (fAllFromMe) + { + // + // Debit + // + int64 nTxFee = nDebit - wtx.GetValueOut(); + + for (int nOut = 0; nOut < wtx.vout.size(); nOut++) + { + const CTxOut& txout = wtx.vout[nOut]; + TransactionRecord sub(hash, nTime); + sub.idx = parts.size(); + + if (txout.IsMine()) + { + // Ignore parts sent to self, as this is usually the change + // from a transaction sent back to our own address. + continue; + } + else if (!mapValue["to"].empty()) + { + // Sent to IP + sub.type = TransactionRecord::SendToIP; + sub.address = mapValue["to"]; + } + else + { + // Sent to Bitcoin Address + sub.type = TransactionRecord::SendToAddress; + uint160 hash160; + if (ExtractHash160(txout.scriptPubKey, hash160)) + sub.address = Hash160ToAddress(hash160); + } + + int64 nValue = txout.nValue; + /* Add fee to first output */ + if (nTxFee > 0) + { + nValue += nTxFee; + nTxFee = 0; + } + sub.debit = -nValue; + + parts.append(sub); + } + } + else + { + // + // Mixed debit transaction, can't break down payees + // + bool fAllMine = true; + BOOST_FOREACH(const CTxOut& txout, wtx.vout) + fAllMine = fAllMine && txout.IsMine(); + BOOST_FOREACH(const CTxIn& txin, wtx.vin) + fAllMine = fAllMine && txin.IsMine(); + + parts.append(TransactionRecord(hash, nTime, TransactionRecord::Other, "", nNet, 0)); + } + } + } + + return parts; +} + +void TransactionRecord::updateStatus(const CWalletTx &wtx) +{ + // Determine transaction status + + // Find the block the tx is in + CBlockIndex* pindex = NULL; + std::map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(wtx.hashBlock); + if (mi != mapBlockIndex.end()) + pindex = (*mi).second; + + // Sort order, unrecorded transactions sort to the top + status.sortKey = strprintf("%010d-%01d-%010u-%03d", + (pindex ? pindex->nHeight : INT_MAX), + (wtx.IsCoinBase() ? 1 : 0), + wtx.nTimeReceived, + idx); + status.confirmed = wtx.IsConfirmed(); + status.depth = wtx.GetDepthInMainChain(); + status.cur_num_blocks = nBestHeight; + + if (!wtx.IsFinal()) + { + if (wtx.nLockTime < 500000000) + { + status.status = TransactionStatus::OpenUntilBlock; + status.open_for = nBestHeight - wtx.nLockTime; + } + else + { + status.status = TransactionStatus::OpenUntilDate; + status.open_for = wtx.nLockTime; + } + } + else + { + if (GetAdjustedTime() - wtx.nTimeReceived > 2 * 60 && wtx.GetRequestCount() == 0) + { + status.status = TransactionStatus::Offline; + } + else if (status.depth < 6) + { + status.status = TransactionStatus::Unconfirmed; + } + else + { + status.status = TransactionStatus::HaveConfirmations; + } + } + + // For generated transactions, determine maturity + if(type == TransactionRecord::Generated) + { + int64 nCredit = wtx.GetCredit(true); + if (nCredit == 0) + { + status.maturity = TransactionStatus::Immature; + + if (wtx.IsInMainChain()) + { + status.matures_in = wtx.GetBlocksToMaturity(); + + // Check if the block was requested by anyone + if (GetAdjustedTime() - wtx.nTimeReceived > 2 * 60 && wtx.GetRequestCount() == 0) + status.maturity = TransactionStatus::MaturesWarning; + } + else + { + status.maturity = TransactionStatus::NotAccepted; + } + } + else + { + status.maturity = TransactionStatus::Mature; + } + } +} + +bool TransactionRecord::statusUpdateNeeded() +{ + return status.cur_num_blocks != nBestHeight; +} |