func IsMultisig(ad *btc.BtcAddr) (yes bool, rec *MultisigAddr) { yes = ad.Version == btc.AddrVerScript(common.Testnet) if !yes { return } fn := common.GocoinHomeDir + "wallet" + string(os.PathSeparator) + "multisig" + string(os.PathSeparator) + ad.String() + ".json" d, er := ioutil.ReadFile(fn) if er != nil { //println("fn", fn, er.Error()) return } var msa MultisigAddr er = json.Unmarshal(d, &msa) if er == nil { rec = &msa } else { println(fn, er.Error()) } return }
/* { "address" : "2NAHUDSC1EmbTBwQQp4VQ2FNzWDqHtmk1i6", "redeemScript" : "512102cdc4fff0ad031ea5f2d0d4337e2bf976b84334f8f80b08fe3f69886d58bc5a8a2102ebf54926d3edaae51bde71f2976948559a8d43fce52f5e7ed9ed85dbaa449d7f52ae" } */ func main() { var testnet bool if len(os.Args) < 3 { fmt.Println("Specify one integer and at least one public key.") fmt.Println("For Testent, make the integer negative.") return } cnt, er := strconv.ParseInt(os.Args[1], 10, 32) if er != nil { println("Count value:", er.Error()) return } if cnt < 0 { testnet = true cnt = -cnt } if cnt < 1 || cnt > 16 { println("The integer (required number of keys) must be between 1 and 16") return } buf := new(bytes.Buffer) buf.WriteByte(byte(0x50 + cnt)) fmt.Println("Trying to prepare multisig address for", cnt, "out of", len(os.Args)-2, "public keys ...") var pkeys byte var ads string for i := 2; i < len(os.Args); i++ { if pkeys == 16 { println("Oh, give me a break. You don't need more than 16 public keys - stopping here!") break } d, er := hex.DecodeString(os.Args[i]) if er != nil { println("pubkey", i, er.Error()) } _, er = btc.NewPublicKey(d) if er != nil { println("pubkey", i, er.Error()) return } pkeys++ buf.WriteByte(byte(len(d))) buf.Write(d) if ads != "" { ads += ", " } ads += "\"" + btc.NewAddrFromPubkey(d, btc.AddrVerPubkey(testnet)).String() + "\"" } buf.WriteByte(0x50 + pkeys) buf.WriteByte(0xae) p2sh := buf.Bytes() addr := btc.NewAddrFromPubkey(p2sh, btc.AddrVerScript(testnet)) rec := "{\n" rec += fmt.Sprintf("\t\"multiAddress\" : \"%s\",\n", addr.String()) rec += fmt.Sprintf("\t\"scriptPubKey\" : \"a914%s87\",\n", hex.EncodeToString(addr.Hash160[:])) rec += fmt.Sprintf("\t\"keysRequired\" : %d,\n", cnt) rec += fmt.Sprintf("\t\"keysProvided\" : %d,\n", pkeys) rec += fmt.Sprintf("\t\"redeemScript\" : \"%s\",\n", hex.EncodeToString(p2sh)) rec += fmt.Sprintf("\t\"listOfAddres\" : [%s]\n", ads) rec += "}\n" fname := addr.String() + ".json" ioutil.WriteFile(fname, []byte(rec), 0666) fmt.Println("The address record stored in", fname) }