elements/src/qt/transactionrecord.cpp
2019-04-11 15:38:35 -04:00

312 lines
9.9 KiB
C++

// Copyright (c) 2011-2018 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <qt/transactionrecord.h>
#include <consensus/consensus.h>
#include <interfaces/wallet.h>
#include <key_io.h>
#include <policy/policy.h>
#include <timedata.h>
#include <validation.h>
#include <stdint.h>
/* Return positive answer if transaction should be shown in list.
*/
bool TransactionRecord::showTransaction()
{
// There are currently no cases where we hide transactions, but
// we may want to use this in the future for things like RBF.
return true;
}
/*
* Decompose CWallet transaction to model transaction records.
*/
QList<TransactionRecord> TransactionRecord::decomposeTransaction(const interfaces::WalletTx& wtx)
{
QList<TransactionRecord> parts;
int64_t nTime = wtx.time;
CAmount nCredit = valueFor(wtx.credit, ::policyAsset);
CAmount nDebit = valueFor(wtx.debit, ::policyAsset);
CAmount nNet = nCredit - nDebit;
uint256 hash = wtx.tx->GetHash();
std::map<std::string, std::string> mapValue = wtx.value_map;
bool involvesWatchAddress = false;
isminetype fAllFromMe = ISMINE_SPENDABLE;
bool any_from_me = false;
std::set<CAsset> assets_issued_to_me_only;
if (wtx.is_coinbase) {
fAllFromMe = ISMINE_NO;
}
else
{
CAmountMap assets_received_by_me_only;
for (unsigned int i = 0; i < wtx.tx->vout.size(); i++)
{
if (wtx.tx->vout[i].IsFee()) {
continue;
}
const CAsset& asset = wtx.txout_assets[i];
if (assets_received_by_me_only.count(asset) && assets_received_by_me_only.at(asset) < 0) {
// Already known to be received by not-me
continue;
}
isminetype mine = wtx.txout_address_is_mine[i];
if (!mine) {
assets_received_by_me_only[asset] = -1;
} else {
assets_received_by_me_only[asset] += wtx.txout_amounts[i];
}
}
any_from_me = false;
for (size_t i = 0; i < wtx.tx->vin.size(); ++i)
{
/* Issuance detection */
isminetype mine = wtx.txin_is_mine[i];
if(mine & ISMINE_WATCH_ONLY) involvesWatchAddress = true;
if(fAllFromMe > mine) fAllFromMe = mine;
if (mine) any_from_me = true;
CAmountMap assets;
assets[wtx.txin_issuance_asset[i]] = wtx.txin_issuance_asset_amount[i];
assets[wtx.txin_issuance_token[i]] = wtx.txin_issuance_token_amount[i];
for (const auto& asset : assets) {
if (!asset.first.IsNull()) {
if (assets_received_by_me_only.count(asset.first) == 0) {
continue;
}
if (asset.second == assets_received_by_me_only.at(asset.first)) {
// Special case: collapse the chain of issue, send, receive to just an issue
assets_issued_to_me_only.insert(asset.first);
continue;
} else {
TransactionRecord sub(hash, nTime);
sub.involvesWatchAddress = involvesWatchAddress;
sub.asset = asset.first;
sub.amount = asset.second;
sub.type = TransactionRecord::IssuedAsset;
parts.append(sub);
}
}
}
}
}
if (fAllFromMe || !any_from_me) {
for(unsigned int i = 0; i < wtx.tx->vout.size(); i++)
{
const CTxOut& txout = wtx.tx->vout[i];
const CAsset& asset = wtx.txout_assets[i];
if (txout.IsFee()) {
// explicit fee; ignore
continue;
}
if (fAllFromMe && assets_issued_to_me_only.count(asset) == 0) {
// Change is only really possible if we're the sender
// Otherwise, someone just sent bitcoins to a change address, which should be shown
if (wtx.txout_is_change[i]) {
continue;
}
//
// Debit
//
TransactionRecord sub(hash, nTime);
sub.idx = i;
sub.involvesWatchAddress = involvesWatchAddress;
sub.amount = -wtx.txout_amounts[i];
sub.asset = asset;
if (!boost::get<CNoDestination>(&wtx.txout_address[i]))
{
// Sent to Bitcoin Address
sub.type = TransactionRecord::SendToAddress;
sub.address = EncodeDestination(wtx.txout_address[i]);
}
else
{
// Sent to IP, or other non-address transaction like OP_EVAL
sub.type = TransactionRecord::SendToOther;
sub.address = mapValue["to"];
}
parts.append(sub);
}
isminetype mine = wtx.txout_is_mine[i];
if(mine)
{
//
// Credit
//
TransactionRecord sub(hash, nTime);
CTxDestination address;
sub.idx = i; // vout index
sub.amount = wtx.txout_amounts[i];
sub.involvesWatchAddress = mine & ISMINE_WATCH_ONLY;
if (wtx.txout_address_is_mine[i])
{
// Received by Bitcoin Address
sub.type = TransactionRecord::RecvWithAddress;
sub.address = EncodeDestination(wtx.txout_address[i]);
sub.asset = asset;
}
else
{
// Received by IP connection (deprecated features), or a multisignature or other non-simple transaction
sub.type = TransactionRecord::RecvFromOther;
sub.address = mapValue["from"];
sub.asset = wtx.txout_assets[i];
}
if (wtx.is_coinbase)
{
// Generated
sub.type = TransactionRecord::Generated;
sub.asset = wtx.txout_assets[i];
}
if (assets_issued_to_me_only.count(wtx.txout_assets[i])) {
sub.type = TransactionRecord::IssuedAsset;
}
parts.append(sub);
}
}
if (fAllFromMe) {
for (const auto& tx_fee : GetFeeMap(*wtx.tx)) {
if (!tx_fee.second) continue;
TransactionRecord sub(hash, nTime);
sub.type = TransactionRecord::Fee;
sub.asset = tx_fee.first;
sub.amount = -tx_fee.second;
parts.append(sub);
}
}
}
else
{
//
// Mixed debit transaction, can't break down payees
//
parts.append(TransactionRecord(hash, nTime, TransactionRecord::Other, "", nNet, CAsset()));
parts.last().involvesWatchAddress = involvesWatchAddress;
}
return parts;
}
void TransactionRecord::updateStatus(const interfaces::WalletTxStatus& wtx, int numBlocks, int64_t adjustedTime)
{
// Determine transaction status
// Sort order, unrecorded transactions sort to the top
int typesort;
switch (type) {
case Fee:
typesort = 0;
break;
case IssuedAsset:
typesort = 1;
break;
case SendToAddress:
case SendToOther:
case SendToSelf:
typesort = 2;
break;
case RecvWithAddress:
case RecvFromOther:
typesort = 3;
break;
default:
typesort = 10;
}
status.sortKey = strprintf("%010d-%01d-%010u-%03d-%d",
wtx.block_height,
wtx.is_coinbase ? 1 : 0,
wtx.time_received,
idx,
typesort);
status.countsForBalance = wtx.is_trusted && !(wtx.blocks_to_maturity > 0);
status.depth = wtx.depth_in_main_chain;
status.cur_num_blocks = numBlocks;
if (!wtx.is_final)
{
if (wtx.lock_time < LOCKTIME_THRESHOLD)
{
status.status = TransactionStatus::OpenUntilBlock;
status.open_for = wtx.lock_time - numBlocks;
}
else
{
status.status = TransactionStatus::OpenUntilDate;
status.open_for = wtx.lock_time;
}
}
// For generated transactions, determine maturity
else if(type == TransactionRecord::Generated)
{
if (wtx.blocks_to_maturity > 0)
{
status.status = TransactionStatus::Immature;
if (wtx.is_in_main_chain)
{
status.matures_in = wtx.blocks_to_maturity;
}
else
{
status.status = TransactionStatus::NotAccepted;
}
}
else
{
status.status = TransactionStatus::Confirmed;
}
}
else
{
if (status.depth < 0)
{
status.status = TransactionStatus::Conflicted;
}
else if (status.depth == 0)
{
status.status = TransactionStatus::Unconfirmed;
if (wtx.is_abandoned)
status.status = TransactionStatus::Abandoned;
}
else if (status.depth < RecommendedNumConfirmations)
{
status.status = TransactionStatus::Confirming;
}
else
{
status.status = TransactionStatus::Confirmed;
}
}
status.needsUpdate = false;
}
bool TransactionRecord::statusUpdateNeeded(int numBlocks) const
{
return status.cur_num_blocks != numBlocks || status.needsUpdate;
}
QString TransactionRecord::getTxHash() const
{
return QString::fromStdString(hash.ToString());
}
int TransactionRecord::getOutputIndex() const
{
return idx;
}