lbcwallet/createtx_test.go

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package main
import (
"github.com/conformal/btcscript"
"github.com/conformal/btcutil"
"github.com/conformal/btcwallet/tx"
"github.com/conformal/btcwallet/wallet"
"github.com/conformal/btcwire"
"testing"
)
func TestFakeTxs(t *testing.T) {
// First we need a wallet.
w, err := wallet.NewWallet("banana wallet", "", []byte("banana"),
btcwire.MainNet, &wallet.BlockStamp{})
if err != nil {
t.Errorf("Can not create encrypted wallet: %s", err)
return
}
btcw := &BtcWallet{
Wallet: w,
}
w.Unlock([]byte("banana"))
// Create and add a fake Utxo so we have some funds to spend.
//
// This will pass validation because btcscript is unaware of invalid
// tx inputs, however, this example would fail in btcd.
utxo := &tx.Utxo{}
addr, err := w.NextUnusedAddress()
if err != nil {
t.Errorf("Cannot get next address: %s", err)
return
}
addr160, _, err := btcutil.DecodeAddress(addr)
if err != nil {
t.Errorf("Cannot decode address: %s", err)
return
}
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copy(utxo.AddrHash[:], addr160)
ophash := (btcwire.ShaHash)([...]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
28, 29, 30, 31, 32})
out := btcwire.NewOutPoint(&ophash, 0)
utxo.Out = tx.OutPoint(*out)
ss, err := btcscript.PayToPubKeyHashScript(addr160)
if err != nil {
t.Errorf("Could not create utxo PkScript: %s", err)
return
}
utxo.Subscript = tx.PkScript(ss)
utxo.Amt = 10000
utxo.Height = 12345
btcw.UtxoStore.s = append(btcw.UtxoStore.s, utxo)
// Fake our current block height so btcd doesn't need to be queried.
curBlock.BlockStamp.Height = 12346
// Create the transaction.
pairs := map[string]uint64{
"17XhEvq9Nahdj7Xe1nv6oRe1tEmaHUuynH": 5000,
}
_, err = btcw.txToPairs(pairs, 100, 0)
if err != nil {
t.Errorf("Tx creation failed: %s", err)
return
}
}