wallet: SelectExternal actually external inputs

If an external input's utxo was created by a transaction that the wallet
knows about, then it would not be selected using SelectExternal. This
results in either funding failure or incorrect weight calculation.
This commit is contained in:
Andrew Chow
2022-07-22 15:30:10 -04:00
parent f2d00bfe1a
commit a537d7aaa0
2 changed files with 9 additions and 5 deletions

View File

@@ -1127,12 +1127,16 @@ bool FundTransaction(CWallet& wallet, CMutableTransaction& tx, CAmount& nFeeRet,
wallet.chain().findCoins(coins);
for (const CTxIn& txin : tx.vin) {
// if it's not in the wallet and corresponding UTXO is found than select as external output
const auto& outPoint = txin.prevout;
if (wallet.mapWallet.find(outPoint.hash) == wallet.mapWallet.end() && !coins[outPoint].out.IsNull()) {
coinControl.SelectExternal(outPoint, coins[outPoint].out);
} else {
if (wallet.IsMine(outPoint)) {
// The input was found in the wallet, so select as internal
coinControl.Select(outPoint);
} else if (coins[outPoint].out.IsNull()) {
error = _("Unable to find UTXO for external input");
return false;
} else {
// The input was not in the wallet, but is in the UTXO set, so select as external
coinControl.SelectExternal(outPoint, coins[outPoint].out);
}
}