func getUx(bc historydb.Blockchainer, seq uint64, txID cipher.SHA256, addr string) (*coin.UxOut, error) {
b := bc.GetBlockInDepth(seq)
if b == nil {
return nil, fmt.Errorf("no block in depth:%v", seq)
}
tx, ok := b.GetTransaction(txID)
if !ok {
return nil, errors.New("found transaction failed")
}
uxs := coin.CreateUnspents(b.Head, tx)
for _, u := range uxs {
if u.Body.Address.String() == addr {
return &u, nil
}
}
return nil, nil
}
