Hi I was attempting to create a 2of2 P2SH-P2WSH address using bitcoinj. 
Since I couldn't properly sign(invalid private key from bitcoind) received 
output I wanted verify that I am correctly creating this address.

Here is the* code used*. Library used is *0.14.5.* with some inspiration 
taken from* segwit branch* on github.

            final List<String> privKeys = 
Arrays.asList("c3accc350d70d1981c4366fd6fd86d9cc311048ae8620dac0b3dc9d18ce415fa",
                
"1093e97f3c01bd766473cc51441d443e9325a59387421a9e2fb69b7f9587d915");

        List<ECKey> ecKeys = new ArrayList<>();
        final SecureRandom secureRandom = getSecureRandom();
        privKeys.forEach(privKey -> {
            try {
                final ECKey ecKey = 
ECKey.fromPrivate(Hex.decodeHex(privKey.toCharArray()));
                ecKeys.add(ecKey);
                System.out.println(String.format("Private Key %s", 
ecKey.getPrivateKeyAsHex()));
                System.out.println(String.format("Public Key %s", 
ecKey.getPublicKeyAsHex()));
                
System.out.println("--------------------------------------------------------");
            }
            catch (DecoderException e) {
                throw new RuntimeException(e);
            }
        });
        System.out.println();

        final Script witnessProgram = ScriptBuilder.createRedeemScript(2, 
ecKeys);
        System.out.println("Witness program=" + witnessProgram);
        System.out.println("Witness hex=" + 
Hex.encodeHexString(witnessProgram.getProgram()) + "\n");

        byte[] hash = Sha256Hash.hash(witnessProgram.getProgram());
        final Script redeemScript = new 
ScriptBuilder().smallNum(0).data(hash).build();
        System.out.println("redeemScript program=" + redeemScript);
        System.out.println("redeemScript hex=" + 
Hex.encodeHexString(redeemScript.getProgram()) + "\n");

        final Script scriptPubKey = 
ScriptBuilder.createP2SHOutputScript(redeemScript);
        System.out.println("scriptPubKey program=" + scriptPubKey);
        System.out.println("scriptPubKey hex=" + 
Hex.encodeHexString(scriptPubKey.getProgram())  + "\n");

        final org.bitcoinj.core.Address addressT = 
scriptPubKey.getToAddress(TestNet3Params.get());
        System.out.println(String.format("TestNetAddress=%s", addressT));

*Program output:*
Private Key c3accc350d70d1981c4366fd6fd86d9cc311048ae8620dac0b3dc9d18ce415fa
Public Key 
0320ce424c6d61f352ccfea60d209651672cfb03b2dc77d1d64d3ba519aec756ae
--------------------------------------------------------
Private Key 1093e97f3c01bd766473cc51441d443e9325a59387421a9e2fb69b7f9587d915
Public Key 
020b020e27e49f049eac10010506499a84e1d59a500cd3680e9ded580df9a107b0
--------------------------------------------------------

Witness program=2 
PUSHDATA(33)[020b020e27e49f049eac10010506499a84e1d59a500cd3680e9ded580df9a107b0]
 
PUSHDATA(33)[0320ce424c6d61f352ccfea60d209651672cfb03b2dc77d1d64d3ba519aec756ae]
 
2 CHECKMULTISIG
Witness 
hex=5221020b020e27e49f049eac10010506499a84e1d59a500cd3680e9ded580df9a107b0210320ce424c6d61f352ccfea60d209651672cfb03b2dc77d1d64d3ba519aec756ae52ae

redeemScript program=0 
PUSHDATA(32)[16a91e58e02069f95ea6defba7436199658573c34d384c69779779f4500d7cac]
redeemScript 
hex=002016a91e58e02069f95ea6defba7436199658573c34d384c69779779f4500d7cac

scriptPubKey program=HASH160 
PUSHDATA(20)[035e0a0739eec3c195f9dc0d8b85e6e3f6ae1ece] EQUAL
scriptPubKey hex=a914035e0a0739eec3c195f9dc0d8b85e6e3f6ae1ece87

TestNetAddress=2MsZ2fpGKUydzY62v6trPHR8eCx5JTy1Dpa

-- 
You received this message because you are subscribed to the Google Groups 
"bitcoinj" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to bitcoinj+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to