// 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 btcutil.Address) ([]*btcutil.Tx, error) {
// Protect concurrent access.
mp.RLock()
defer mp.RUnlock()
if txs, exists := mp.addrindex[addr.EncodeAddress()]; exists {
addressTxs := make([]*btcutil.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")
}
