transaction.cpp

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// Copyright (c) 2021 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 <wallet/transaction.h>
 
#include <interfaces/chain.h>
 
using interfaces::FoundBlock;
 
namespace wallet {
bool CWalletTx::IsEquivalentTo(const CWalletTx& _tx) const
{
        CMutableTransaction tx1 {*this->tx};
        CMutableTransaction tx2 {*_tx.tx};
        for (auto& txin : tx1.vin) {
            txin.scriptSig = CScript();
            txin.scriptWitness.SetNull();
        }
        for (auto& txin : tx2.vin) {
            txin.scriptSig = CScript();
            txin.scriptWitness.SetNull();
        }
        return CTransaction(tx1) == CTransaction(tx2);
}
 
bool CWalletTx::InMempool() const
{
    return state<TxStateInMempool>();
}
 
int64_t CWalletTx::GetTxTime() const
{
    int64_t n = nTimeSmart;
    return n ? n : nTimeReceived;
}
 
void CWalletTx::updateState(interfaces::Chain& chain)
{
    bool active;
    auto lookup_block = [&](const uint256& hash, int& height, TxState& state) {
        // If tx block (or conflicting block) was reorged out of chain
        // while the wallet was shutdown, change tx status to UNCONFIRMED
        // and reset block height, hash, and index. ABANDONED tx don't have
        // associated blocks and don't need to be updated. The case where a
        // transaction was reorged out while online and then reconfirmed
        // while offline is covered by the rescan logic.
        if (!chain.findBlock(hash, FoundBlock().inActiveChain(active).height(height)) || !active) {
            state = TxStateInactive{};
        }
    };
    if (auto* conf = state<TxStateConfirmed>()) {
        lookup_block(conf->confirmed_block_hash, conf->confirmed_block_height, m_state);
    } else if (auto* conf = state<TxStateBlockConflicted>()) {
        lookup_block(conf->conflicting_block_hash, conf->conflicting_block_height, m_state);
    }
}
 
void CWalletTx::CopyFrom(const CWalletTx& _tx)
{
    *this = _tx;
}
} // namespace wallet