func NewUnspRec(l []byte) (uns *unspRec) { if l[64] != '-' { return nil } txid := btc.NewUint256FromString(string(l[:64])) if txid == nil { return nil } rst := strings.SplitN(string(l[65:]), " ", 2) vout, e := strconv.ParseUint(rst[0], 10, 32) if e != nil { return nil } uns = new(unspRec) uns.TxPrevOut.Hash = txid.Hash uns.TxPrevOut.Vout = uint32(vout) if len(rst) > 1 { uns.label = rst[1] } if first_determ_idx < len(keys) { str := string(l) if sti := strings.Index(str, "_StealthC:"); sti != -1 { c, e := hex.DecodeString(str[sti+10 : sti+10+64]) if e != nil { fmt.Println("ERROR at stealth", txid.String(), vout, e.Error()) } else { // add a new key to the wallet sec := btc.DeriveNextPrivate(keys[first_determ_idx].Key, c) rec := btc.NewPrivateAddr(sec, ver_secret(), true) // stealth keys are always compressed rec.BtcAddr.Extra.Label = uns.label keys = append(keys, rec) uns.stealth = true uns.key = rec } } } return }
// Get the secret seed and generate "keycnt" key pairs (both private and public) func make_wallet() { var lab string load_others() seed_key := make([]byte, 32) if !getseed(seed_key) { cleanExit(0) } defer func() { sys.ClearBuffer(seed_key) }() switch waltype { case 1: lab = "TypA" println("WARNING: Wallet Type 1 is obsolete") case 2: lab = "TypB" if type2sec != "" { d, e := hex.DecodeString(type2sec) if e != nil { println("t2sec error:", e.Error()) cleanExit(1) } type2_secret = d } else { type2_secret = make([]byte, 20) btc.RimpHash(seed_key, type2_secret) } case 3: lab = "TypC" default: println("ERROR: Unsupported wallet type", waltype) cleanExit(1) } if *verbose { fmt.Println("Generating", keycnt, "keys, version", ver_pubkey(), "...") } first_determ_idx = len(keys) for i := uint(0); i < keycnt; { prv_key := make([]byte, 32) if waltype == 3 { btc.ShaHash(seed_key, prv_key) seed_key = append(seed_key, byte(i)) } else if waltype == 2 { seed_key = btc.DeriveNextPrivate(seed_key, type2_secret) copy(prv_key, seed_key) } else { btc.ShaHash(seed_key, prv_key) copy(seed_key, prv_key) } if *scankey != "" { new_stealth_address(prv_key) return } rec := btc.NewPrivateAddr(prv_key, ver_secret(), !uncompressed) if *pubkey != "" && *pubkey == rec.BtcAddr.String() { fmt.Println("Public address:", rec.BtcAddr.String()) fmt.Println("Public hexdump:", hex.EncodeToString(rec.BtcAddr.Pubkey)) return } rec.BtcAddr.Extra.Label = fmt.Sprint(lab, " ", i+1) keys = append(keys, rec) i++ } if *verbose { fmt.Println("Private keys re-generated") } }