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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.
#ifndef BITCOIN_WALLET_SPEND_H
#define BITCOIN_WALLET_SPEND_H
#include <wallet/coinselection.h>
#include <wallet/transaction.h>
#include <wallet/wallet.h>
class COutput
{
public:
const CWalletTx *tx;
/** Index in tx->vout. */
int i;
/**
* Depth in block chain.
* If > 0: the tx is on chain and has this many confirmations.
* If = 0: the tx is waiting confirmation.
* If < 0: a conflicting tx is on chain and has this many confirmations. */
int nDepth;
/** Pre-computed estimated size of this output as a fully-signed input in a transaction. Can be -1 if it could not be calculated */
int nInputBytes;
/** Whether we have the private keys to spend this output */
bool fSpendable;
/** Whether we know how to spend this output, ignoring the lack of keys */
bool fSolvable;
/** Whether to use the maximum sized, 72 byte signature when calculating the size of the input spend. This should only be set when watch-only outputs are allowed */
bool use_max_sig;
/**
* Whether this output is considered safe to spend. Unconfirmed transactions
* from outside keys and unconfirmed replacement transactions are considered
* unsafe and will not be used to fund new spending transactions.
*/
bool fSafe;
COutput(const CWalletTx *txIn, int iIn, int nDepthIn, bool fSpendableIn, bool fSolvableIn, bool fSafeIn, bool use_max_sig_in = false)
{
tx = txIn; i = iIn; nDepth = nDepthIn; fSpendable = fSpendableIn; fSolvable = fSolvableIn; fSafe = fSafeIn; nInputBytes = -1; use_max_sig = use_max_sig_in;
// If known and signable by the given wallet, compute nInputBytes
// Failure will keep this value -1
if (fSpendable && tx) {
nInputBytes = tx->GetSpendSize(i, use_max_sig);
}
}
std::string ToString() const;
inline CInputCoin GetInputCoin() const
{
return CInputCoin(tx->tx, i, nInputBytes);
}
};
#endif // BITCOIN_WALLET_SPEND_H
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