func list_unspent(addr string) {
fmt.Println("Checking unspent coins for addr", addr)
defer func() { // in case if ad.OutScript() would panic
if r := recover(); r != nil {
err := r.(error)
fmt.Println("main panic recovered:", err.Error())
}
}()
var ad *btc.BtcAddr
var e error
ad, e = btc.NewAddrFromString(addr)
if e != nil {
println(e.Error())
return
}
sa := ad.StealthAddr
var walk chain.FunctionWalkUnspent
var unsp chain.AllUnspentTx
if sa == nil {
exp_scr := ad.OutScript()
walk = func(tx *chain.QdbRec) {
for idx, rec := range tx.Outs {
if rec != nil && bytes.Equal(rec.PKScr, exp_scr) {
unsp = append(unsp, tx.ToUnspent(uint32(idx), ad))
}
}
}
} else {
var c, spen_exp []byte
var rec, out *chain.QdbTxOut
var h160 [20]byte
wallet.FetchStealthKeys()
d := wallet.FindStealthSecret(sa)
if d == nil {
fmt.Println("No matching secret found in your wallet/stealth folder")
return
}
walk = func(tx *chain.QdbRec) {
for i := 0; i < len(tx.Outs)-1; i++ {
if rec = tx.Outs[i]; rec == nil {
continue
}
if out = tx.Outs[i+1]; out == nil {
continue
}
if !rec.IsStealthIdx() || !out.IsP2KH() || !ad.StealthAddr.CheckNonce(rec.PKScr[3:40]) {
continue
}
c = btc.StealthDH(rec.PKScr[7:40], d)
spen_exp = btc.DeriveNextPublic(sa.SpendKeys[0][:], c)
btc.RimpHash(spen_exp, h160[:])
if bytes.Equal(out.PKScr[3:23], h160[:]) {
uo := new(chain.OneUnspentTx)
uo.TxPrevOut.Hash = tx.TxID
uo.TxPrevOut.Vout = uint32(i + 1)
uo.Value = out.Value
uo.MinedAt = tx.InBlock
uo.BtcAddr = btc.NewAddrFromHash160(h160[:], btc.AddrVerPubkey(common.CFG.Testnet))
uo.FixDestString()
uo.BtcAddr.StealthAddr = sa
uo.BtcAddr.Extra = ad.Extra
uo.StealthC = c
unsp = append(unsp, uo)
}
}
}
}
common.BlockChain.Unspent.BrowseUTXO(false, walk)
sort.Sort(unsp)
var sum uint64
for i := range unsp {
if len(unsp) < 200 {
fmt.Println(unsp[i].String())
}
sum += unsp[i].Value
}
fmt.Printf("Total %.8f unspent BTC in %d outputs at address %s\n",
float64(sum)/1e8, len(unsp), ad.String())
}
