add createTx example to mocha
This commit is contained in:
Matias Alejo Garcia
parent
7bff26cead
commit
f4eb198bdb
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@ -0,0 +1,210 @@
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var run = function() {
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var bitcore = require('../bitcore');
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var priv = 'cTgGUrcro89yUtKeG6gHBAS14r3qp25KwTTxG9d4kEzcFxecuZDm';
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var amt = '0.005';
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var toAddress = 'myuAQcCc1REUgXGsCTiYhZvPPc3XxZ36G1';
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var changeAddressString = 'moDz3jEo9q7CxjBDjmb13sL4SKkgo2AACE';
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var feeString = '0.0001';
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var safeUnspent = [
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{
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address: "mqSjTad2TKbPcKQ3Jq4kgCkKatyN44UMgZ",
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hash: "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1",
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vout: 1,
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ts: 1394719301,
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scriptPubKey: "76a9146ce4e1163eb18939b1440c42844d5f0261c0338288ac",
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amount: 0.01,
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confirmations: 2
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}
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]
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;
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console.log('TX Data: BTC:' + amt + ' => '+ toAddress + ', change To:' + changeAddressString ) ;
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console.log('Unspends:', safeUnspent);
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var wk = new bitcore.WalletKey({
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network: bitcore.networks.testnet
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});
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wk.fromObj({ priv: priv, });
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var wkObj= wk.storeObj();
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var keyPairs = [{
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key: wkObj.priv,
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address: wkObj.addr,
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}];
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console.log('KEY DB IS:', keyPairs);
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var Address = bitcore.Address;
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var Transaction = bitcore.Transaction;
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var Script = bitcore.Script;
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var nets = bitcore.networks;
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var z = bitcore.bignum(0);
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var amt = bitcore.util.parseValue(amt);
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if(z.cmp(amt) === 0 )
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throw "spend amount must be greater than zero";
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if(!changeAddressString)
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throw "change address was not provided";
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var fee = bitcore.util.parseValue(feeString || '0');
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var total = bitcore.bignum(0).add(amt).add(fee);
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var address = new Address(toAddress);
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var sendTx = new Transaction();
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var i;
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var unspent = [];
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var unspentAmt = bitcore.bignum(0);
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for(i=0;i<safeUnspent.length;i++) {
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unspent.push(safeUnspent[i]);
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var amountSatoshiString = new bitcore.bignum(safeUnspent[i].amount * Math.pow(10,8)).toString();
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unspentAmt = unspentAmt.add(new bitcore.bignum(amountSatoshiString));
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// If > -1, we have enough to send the requested amount
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if(unspentAmt.cmp(total) > -1) {
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break;
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}
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}
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if(unspentAmt.cmp(total) < 0) {
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throw "you do not have enough bitcoins to send this amount";
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}
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var txobj = {};
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txobj.version = 1;
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txobj.lock_time = 0;
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txobj.ins = [];
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txobj.outs = [];
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for(i=0;i<unspent.length;i++) {
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var txin = {};
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txin.s = bitcore.util.EMPTY_BUFFER;
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txin.q = 0xffffffff;
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var hash = new bitcore.Buffer(unspent[i].hash, 'hex');
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var hashReversed = bitcore.buffertools.reverse(hash);
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var vout = parseInt(unspent[i].vout);
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var voutBuf = new bitcore.Buffer(4);
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voutBuf.writeUInt32LE(vout, 0);
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txin.o = bitcore.Buffer.concat([hashReversed, voutBuf]);
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txobj.ins.push(txin);
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}
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// This is not used really, but we keep it for the future.
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var version = address.version();
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var script;
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if (version == nets.livenet.addressPubkey || version == nets.testnet.addressPubkey)
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script = Script.createPubKeyHashOut(address.payload());
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else if (version == nets.livenet.addressScript || version == nets.testnet.addressScript)
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script = Script.createP2SH(address.payload());
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else
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throw new Error('invalid output address');
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var value = bitcore.util.bigIntToValue(amt);
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var txout = {
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v: value,
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s: script.getBuffer(),
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};
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txobj.outs.push(txout);
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var remainder = unspentAmt.sub(total);
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if(z.cmp(amt) !== 0 ) {
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var changeAddress = new Address(changeAddressString);
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var changeValue = bitcore.util.bigIntToValue(remainder);
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// This is not used really, but we keep it for the future.
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var cversion = changeAddress.version();
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var cscript;
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if (cversion == nets.livenet.addressPubkey || cversion == nets.testnet.addressPubkey)
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cscript = Script.createPubKeyHashOut(changeAddress.payload());
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else if (cversion == nets.livenet.addressScript || cversion == nets.testnet.addressScript)
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cscript = Script.createP2SH(changeAddress.payload());
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else
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throw new Error('invalid change output address');
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var change = {
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v: changeValue,
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s: cscript.getBuffer(),
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};
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txobj.outs.push(change);
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}
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var tx = new Transaction(txobj);
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var anypay = false;
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var l = unspent.length;
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var allFound = l;
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// Here will be the beginning of your signing for loop
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for(i=0;i < l;i++) {
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var scriptBuf = new bitcore.Buffer(unspent[i].scriptPubKey, 'hex');
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var s = new Script(scriptBuf);
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if (s.classify() !== Script.TX_PUBKEYHASH) {
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throw new Error('input script type '+ s.getRawOutType() +' not supported yet');
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}
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var txSigHash = tx.hashForSignature(s, i,
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anypay ? Transaction.SIGHASH_ANYONECANPAY : Transaction.SIGHASH_ALL);
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// txSigHash = bitcore.buffertools.reverse(txSigHash);
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for(var j=0;j<keyPairs.length;j++) {
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var kp = keyPairs[j];
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if(kp.address === unspent[i].address) {
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console.log('SIGNING With...', kp.key); //TODO
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console.log('HASH TO SIGN: ',bitcore.buffertools.toHex(txSigHash)); //TODO
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var wKey = new bitcore.WalletKey({network: bitcore.networks.testnet});
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wKey.fromObj({
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priv: kp.key,
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});
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console.log('PRIV KEY', bitcore.buffertools.toHex(wKey.privKey.private )); //TODO
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console.log('PUB KEY', bitcore.buffertools.toHex(wKey.privKey.public )); //TODO
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var sigRaw = wKey.privKey.signSync(txSigHash);
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console.log('SIGNATURE: ',bitcore.buffertools.toHex(sigRaw)); //TODO
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console.log('VERIFY: ',wKey.privKey.verifySignatureSync(txSigHash, sigRaw)); //TODO
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var sigType = new bitcore.Buffer(1);
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sigType[0] = anypay ? Transaction.SIGHASH_ANYONECANPAY : Transaction.SIGHASH_ALL;
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var sig = bitcore.Buffer.concat([sigRaw, sigType]);
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var scriptSig = new Script();
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scriptSig.chunks.push(sig);
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scriptSig.chunks.push(wKey.privKey.public);
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scriptSig.updateBuffer();
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tx.ins[i].s = scriptSig.getBuffer();
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allFound--;
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break;
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}
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}
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}
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if (allFound !== 0) {
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throw new Error('could not find priv key for some inputs');
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}
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var txHex = tx.serialize().toString('hex');
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console.log('TX HEX IS: ', txHex);
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};
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module.exports.run = run;
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if (require.main === module) {
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run();
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}
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////
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@ -1,205 +0,0 @@
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var bitcore = require('../bitcore');
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var priv = 'cTgGUrcro89yUtKeG6gHBAS14r3qp25KwTTxG9d4kEzcFxecuZDm';
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var amt = '0.005';
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var toAddress = 'myuAQcCc1REUgXGsCTiYhZvPPc3XxZ36G1';
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var changeAddressString = 'moDz3jEo9q7CxjBDjmb13sL4SKkgo2AACE';
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var feeString = '0.0001';
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var safeUnspent = [
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{
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address: "mqSjTad2TKbPcKQ3Jq4kgCkKatyN44UMgZ",
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hash: "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1",
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vout: 1,
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ts: 1394719301,
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scriptPubKey: "76a9146ce4e1163eb18939b1440c42844d5f0261c0338288ac",
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amount: 0.01,
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confirmations: 2
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}
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]
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;
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console.log('TX Data: BTC:' + amt + ' => '+ toAddress + ', change To:' + changeAddressString ) ;
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console.log('Unspends:', safeUnspent);
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var wk = new bitcore.WalletKey({
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network: bitcore.networks.testnet
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});
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wk.fromObj({ priv: priv, });
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var wkObj= wk.storeObj();
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var keyPairs = [{
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key: wkObj.priv,
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address: wkObj.addr,
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}];
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console.log('KEY DB IS:', keyPairs);
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var Address = bitcore.Address;
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var Transaction = bitcore.Transaction;
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var Script = bitcore.Script;
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var nets = bitcore.networks;
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var z = bitcore.bignum(0);
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var amt = bitcore.util.parseValue(amt);
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if(z.cmp(amt) === 0 )
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throw "spend amount must be greater than zero";
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if(!changeAddressString)
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throw "change address was not provided";
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var fee = bitcore.util.parseValue(feeString || '0');
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var total = bitcore.bignum(0).add(amt).add(fee);
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var address = new Address(toAddress);
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var sendTx = new Transaction();
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var i;
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var unspent = [];
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var unspentAmt = bitcore.bignum(0);
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for(i=0;i<safeUnspent.length;i++) {
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unspent.push(safeUnspent[i]);
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var amountSatoshiString = new bitcore.bignum(safeUnspent[i].amount * Math.pow(10,8)).toString();
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unspentAmt = unspentAmt.add(new bitcore.bignum(amountSatoshiString));
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// If > -1, we have enough to send the requested amount
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if(unspentAmt.cmp(total) > -1) {
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break;
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}
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}
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if(unspentAmt.cmp(total) < 0) {
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throw "you do not have enough bitcoins to send this amount";
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}
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var txobj = {};
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txobj.version = 1;
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txobj.lock_time = 0;
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txobj.ins = [];
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txobj.outs = [];
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for(i=0;i<unspent.length;i++) {
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var txin = {};
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txin.s = bitcore.util.EMPTY_BUFFER;
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txin.q = 0xffffffff;
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var hash = new bitcore.Buffer(unspent[i].hash, 'hex');
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var hashReversed = bitcore.buffertools.reverse(hash);
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var vout = parseInt(unspent[i].vout);
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var voutBuf = new bitcore.Buffer(4);
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voutBuf.writeUInt32LE(vout, 0);
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txin.o = bitcore.Buffer.concat([hashReversed, voutBuf]);
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txobj.ins.push(txin);
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}
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// This is not used really, but we keep it for the future.
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var version = address.version();
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var script;
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if (version == nets.livenet.addressPubkey || version == nets.testnet.addressPubkey)
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script = Script.createPubKeyHashOut(address.payload());
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else if (version == nets.livenet.addressScript || version == nets.testnet.addressScript)
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script = Script.createP2SH(address.payload());
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else
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throw new Error('invalid output address');
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var value = bitcore.util.bigIntToValue(amt);
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var txout = {
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v: value,
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s: script.getBuffer(),
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};
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txobj.outs.push(txout);
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var remainder = unspentAmt.sub(total);
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if(z.cmp(amt) !== 0 ) {
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var changeAddress = new Address(changeAddressString);
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var changeValue = bitcore.util.bigIntToValue(remainder);
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// This is not used really, but we keep it for the future.
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var cversion = changeAddress.version();
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var cscript;
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if (cversion == nets.livenet.addressPubkey || cversion == nets.testnet.addressPubkey)
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cscript = Script.createPubKeyHashOut(changeAddress.payload());
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else if (cversion == nets.livenet.addressScript || cversion == nets.testnet.addressScript)
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cscript = Script.createP2SH(changeAddress.payload());
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else
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throw new Error('invalid change output address');
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var change = {
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v: changeValue,
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s: cscript.getBuffer(),
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};
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txobj.outs.push(change);
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}
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var tx = new Transaction(txobj);
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var anypay = false;
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var l = unspent.length;
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var allFound = l;
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// Here will be the beginning of your signing for loop
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for(i=0;i < l;i++) {
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var scriptBuf = new bitcore.Buffer(unspent[i].scriptPubKey, 'hex');
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var s = new Script(scriptBuf);
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if (s.classify() !== Script.TX_PUBKEYHASH) {
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throw new Error('input script type '+ s.getRawOutType() +' not supported yet');
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}
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var txSigHash = tx.hashForSignature(s, i,
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anypay ? Transaction.SIGHASH_ANYONECANPAY : Transaction.SIGHASH_ALL);
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// txSigHash = bitcore.buffertools.reverse(txSigHash);
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for(var j=0;j<keyPairs.length;j++) {
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var kp = keyPairs[j];
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if(kp.address === unspent[i].address) {
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console.log('[wallet.js.409:address:] SIGNING With...', kp.key); //TODO
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console.log('[kk.js.168:txSigHash:] HASH TO SIGN: ',bitcore.buffertools.toHex(txSigHash)); //TODO
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var wKey = new bitcore.WalletKey({network: bitcore.networks.testnet});
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wKey.fromObj({
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priv: kp.key,
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});
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console.log('[kk2.js.169] PRIV KEY', bitcore.buffertools.toHex(wKey.privKey.private )); //TODO
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console.log('[kk2.js.169] PUB KEY', bitcore.buffertools.toHex(wKey.privKey.public )); //TODO
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var sigRaw = wKey.privKey.signSync(txSigHash);
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console.log('[kk.js.168:txSigHash:] SIGNATURE: ',bitcore.buffertools.toHex(sigRaw)); //TODO
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//VERIFY
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console.log('[kk.js.168:txSigHash:] VERIFY: ',wKey.privKey.verifySignatureSync(txSigHash, sigRaw)); //TODO
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var sigType = new bitcore.Buffer(1);
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sigType[0] = anypay ? Transaction.SIGHASH_ANYONECANPAY : Transaction.SIGHASH_ALL;
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var sig = bitcore.Buffer.concat([sigRaw, sigType]);
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var scriptSig = new Script();
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scriptSig.chunks.push(sig);
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scriptSig.chunks.push(wKey.privKey.public);
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scriptSig.updateBuffer();
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tx.ins[i].s = scriptSig.getBuffer();
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allFound--;
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break;
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}
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}
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}
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if (allFound !== 0) {
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throw new Error('could not find priv key for some inputs');
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}
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var txHex = tx.serialize().toString('hex');
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console.log('[kk.js.188:ret:] OUT IS: ', txHex);
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////
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@ -10,6 +10,7 @@ var examples = [
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'PeerManager',
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'Rpc',
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'SendTx',
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'CreateAndSignTx',
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'Script',
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];
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