266 lines
8.4 KiB
C++
266 lines
8.4 KiB
C++
// Copyright (c) 2011-2016 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "transactionrecord.h"
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#include "base58.h"
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#include "consensus/consensus.h"
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#include "validation.h"
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#include "timedata.h"
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#include "wallet/wallet.h"
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#include <stdint.h>
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#include <boost/foreach.hpp>
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/* Return positive answer if transaction should be shown in list.
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*/
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bool TransactionRecord::showTransaction(const CWalletTx &wtx)
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{
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// There are currently no cases where we hide transactions, but
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// we may want to use this in the future for things like RBF.
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return true;
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}
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/*
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* Decompose CWallet transaction to model transaction records.
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*/
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QList<TransactionRecord> TransactionRecord::decomposeTransaction(const CWallet *wallet, const CWalletTx &wtx)
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{
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QList<TransactionRecord> parts;
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int64_t nTime = wtx.GetTxTime();
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CAmount nCredit = wtx.GetCredit(ISMINE_ALL);
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CAmount nDebit = wtx.GetDebit(ISMINE_ALL);
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CAmount nNet = nCredit - nDebit;
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uint256 hash = wtx.GetHash();
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std::map<std::string, std::string> mapValue = wtx.mapValue;
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if (nNet > 0 || wtx.IsCoinBase())
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{
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//
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// Credit
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//
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for(unsigned int i = 0; i < wtx.tx->vout.size(); i++)
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{
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const CTxOut& txout = wtx.tx->vout[i];
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isminetype mine = wallet->IsMine(txout);
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if(mine)
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{
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TransactionRecord sub(hash, nTime);
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CTxDestination address;
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sub.idx = i; // vout index
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sub.credit = txout.nValue;
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sub.involvesWatchAddress = mine & ISMINE_WATCH_ONLY;
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if (ExtractDestination(txout.scriptPubKey, address) && IsMine(*wallet, address))
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{
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// Received by Bitcoin Address
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sub.type = TransactionRecord::RecvWithAddress;
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sub.address = CBitcoinAddress(address).ToString();
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}
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else
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{
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// Received by IP connection (deprecated features), or a multisignature or other non-simple transaction
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sub.type = TransactionRecord::RecvFromOther;
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sub.address = mapValue["from"];
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}
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if (wtx.IsCoinBase())
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{
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// Generated
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sub.type = TransactionRecord::Generated;
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}
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parts.append(sub);
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}
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}
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}
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else
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{
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bool involvesWatchAddress = false;
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isminetype fAllFromMe = ISMINE_SPENDABLE;
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BOOST_FOREACH(const CTxIn& txin, wtx.tx->vin)
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{
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isminetype mine = wallet->IsMine(txin);
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if(mine & ISMINE_WATCH_ONLY) involvesWatchAddress = true;
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if(fAllFromMe > mine) fAllFromMe = mine;
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}
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isminetype fAllToMe = ISMINE_SPENDABLE;
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BOOST_FOREACH(const CTxOut& txout, wtx.tx->vout)
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{
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isminetype mine = wallet->IsMine(txout);
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if(mine & ISMINE_WATCH_ONLY) involvesWatchAddress = true;
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if(fAllToMe > mine) fAllToMe = mine;
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}
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if (fAllFromMe && fAllToMe)
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{
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// Payment to self
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CAmount nChange = wtx.GetChange();
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parts.append(TransactionRecord(hash, nTime, TransactionRecord::SendToSelf, "",
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-(nDebit - nChange), nCredit - nChange));
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parts.last().involvesWatchAddress = involvesWatchAddress; // maybe pass to TransactionRecord as constructor argument
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}
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else if (fAllFromMe)
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{
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//
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// Debit
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//
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CAmount nTxFee = nDebit - wtx.tx->GetValueOut();
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for (unsigned int nOut = 0; nOut < wtx.tx->vout.size(); nOut++)
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{
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const CTxOut& txout = wtx.tx->vout[nOut];
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TransactionRecord sub(hash, nTime);
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sub.idx = nOut;
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sub.involvesWatchAddress = involvesWatchAddress;
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if(wallet->IsMine(txout))
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{
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// Ignore parts sent to self, as this is usually the change
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// from a transaction sent back to our own address.
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continue;
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}
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CTxDestination address;
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if (ExtractDestination(txout.scriptPubKey, address))
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{
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// Sent to Bitcoin Address
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sub.type = TransactionRecord::SendToAddress;
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sub.address = CBitcoinAddress(address).ToString();
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}
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else
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{
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// Sent to IP, or other non-address transaction like OP_EVAL
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sub.type = TransactionRecord::SendToOther;
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sub.address = mapValue["to"];
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}
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CAmount nValue = txout.nValue;
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/* Add fee to first output */
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if (nTxFee > 0)
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{
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nValue += nTxFee;
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nTxFee = 0;
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}
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sub.debit = -nValue;
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parts.append(sub);
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}
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}
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else
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{
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//
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// Mixed debit transaction, can't break down payees
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//
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parts.append(TransactionRecord(hash, nTime, TransactionRecord::Other, "", nNet, 0));
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parts.last().involvesWatchAddress = involvesWatchAddress;
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}
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}
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return parts;
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}
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void TransactionRecord::updateStatus(const CWalletTx &wtx)
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{
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AssertLockHeld(cs_main);
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// Determine transaction status
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// Find the block the tx is in
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CBlockIndex* pindex = NULL;
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BlockMap::iterator mi = mapBlockIndex.find(wtx.hashBlock);
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if (mi != mapBlockIndex.end())
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pindex = (*mi).second;
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// Sort order, unrecorded transactions sort to the top
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status.sortKey = strprintf("%010d-%01d-%010u-%03d",
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(pindex ? pindex->nHeight : std::numeric_limits<int>::max()),
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(wtx.IsCoinBase() ? 1 : 0),
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wtx.nTimeReceived,
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idx);
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status.countsForBalance = wtx.IsTrusted() && !(wtx.GetBlocksToMaturity() > 0);
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status.depth = wtx.GetDepthInMainChain();
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status.cur_num_blocks = chainActive.Height();
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if (!CheckFinalTx(wtx))
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{
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if (wtx.tx->nLockTime < LOCKTIME_THRESHOLD)
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{
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status.status = TransactionStatus::OpenUntilBlock;
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status.open_for = wtx.tx->nLockTime - chainActive.Height();
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}
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else
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{
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status.status = TransactionStatus::OpenUntilDate;
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status.open_for = wtx.tx->nLockTime;
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}
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}
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// For generated transactions, determine maturity
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else if(type == TransactionRecord::Generated)
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{
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if (wtx.GetBlocksToMaturity() > 0)
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{
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status.status = TransactionStatus::Immature;
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if (wtx.IsInMainChain())
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{
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status.matures_in = wtx.GetBlocksToMaturity();
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// Check if the block was requested by anyone
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if (GetAdjustedTime() - wtx.nTimeReceived > 2 * 60 && wtx.GetRequestCount() == 0)
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status.status = TransactionStatus::MaturesWarning;
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}
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else
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{
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status.status = TransactionStatus::NotAccepted;
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}
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}
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else
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{
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status.status = TransactionStatus::Confirmed;
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}
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}
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else
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{
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if (status.depth < 0)
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{
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status.status = TransactionStatus::Conflicted;
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}
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else if (GetAdjustedTime() - wtx.nTimeReceived > 2 * 60 && wtx.GetRequestCount() == 0)
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{
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status.status = TransactionStatus::Offline;
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}
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else if (status.depth == 0)
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{
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status.status = TransactionStatus::Unconfirmed;
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if (wtx.isAbandoned())
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status.status = TransactionStatus::Abandoned;
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}
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else if (status.depth < RecommendedNumConfirmations)
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{
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status.status = TransactionStatus::Confirming;
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}
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else
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{
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status.status = TransactionStatus::Confirmed;
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}
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}
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}
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bool TransactionRecord::statusUpdateNeeded()
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{
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AssertLockHeld(cs_main);
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return status.cur_num_blocks != chainActive.Height();
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}
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QString TransactionRecord::getTxID() const
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{
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return QString::fromStdString(hash.ToString());
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}
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int TransactionRecord::getOutputIndex() const
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{
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return idx;
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}
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