// FilterTransactionsByAddress returns all transactions currently in the
// mempool that either create an output to the passed address or spend a
// previously created ouput to the address.
func (mp *txMemPool) FilterTransactionsByAddress(addr coinutil.Address) ([]*coinutil.Tx, error) {
// Protect concurrent access.
mp.RLock()
defer mp.RUnlock()
if txs, exists := mp.addrindex[addr.EncodeAddress()]; exists {
addressTxs := make([]*coinutil.Tx, 0, len(txs))
for txHash := range txs {
if txD, exists := mp.pool[txHash]; exists {
addressTxs = append(addressTxs, txD.Tx)
}
}
return addressTxs, nil
}
return nil, fmt.Errorf("address does not have any transactions in the pool")
}
// TotalReceivedForAddr iterates through a wallet's transaction history,
// returning the total amount of bitcoins received for a single wallet
// address.
func (w *Wallet) TotalReceivedForAddr(addr coinutil.Address, minConf int32) (coinutil.Amount, error) {
syncBlock := w.Manager.SyncedTo()
var (
addrStr = addr.EncodeAddress()
amount coinutil.Amount
stopHeight int32
)
if minConf > 0 {
stopHeight = syncBlock.Height - minConf + 1
} else {
stopHeight = -1
}
err := w.TxStore.RangeTransactions(0, stopHeight, func(details []wtxmgr.TxDetails) (bool, error) {
for i := range details {
detail := &details[i]
for _, cred := range detail.Credits {
pkScript := detail.MsgTx.TxOut[cred.Index].PkScript
_, addrs, _, err := txscript.ExtractPkScriptAddrs(
pkScript, w.chainParams)
// An error creating addresses from the output script only
// indicates a non-standard script, so ignore this credit.
if err != nil {
continue
}
for _, a := range addrs {
if addrStr == a.EncodeAddress() {
amount += cred.Amount
break
}
}
}
}
return false, nil
})
return amount, err
}