fix error msgs

TransactionBuilder.js

@@ -158,7 +158,7 @@ TransactionBuilder._scriptForOut = function(out) {
   else if (out.pubkeys || out.nreq || out.nreq > 1)
     ret = this._scriptForPubkeys(out);
   else 
-    throw new Error('unknow out type');
+    throw new Error('unknown out type');
 
   return ret;
 };
@@ -240,7 +240,8 @@ TransactionBuilder.prototype._selectUnspent = function(neededAmountSat) {
   } while (!fulfill && minConfirmationSteps.length);
 
   if (!fulfill)
-    throw new Error('no enough unspent to fulfill totalNeededAmount');
+    throw new Error('no enough unspent to fulfill totalNeededAmount [SAT]:' +
+                    neededAmountSat);
 
   this.selectedUtxos = sel;
   this._setInputMap();

examples/CreateMultisig.js

@@ -0,0 +1,104 @@
+
+var run = function() {
+  bitcore = typeof (bitcore) === 'undefined' ? require('../bitcore') : bitcore;
+  var networks = require('../networks');
+  var WalletKey = bitcore.WalletKey;
+  var Script = bitcore.Script;
+  var Builder = bitcore.TransactionBuilder;
+  var opts = {network: networks.testnet};
+
+  console.log('## Network: ' + opts.network.name);
+
+  var input = {};
+  input.addr = "n2hoFVbPrYQf7RJwiRy1tkbuPPqyhAEfbp";
+  input.priv = "cS62Ej4SobZnpFQYN1PEEBr2KWf5sgRYYnELtumcG6WVCfxno39V";
+
+  // Complete with the corresponding UTXO you want to use
+  var utxos = [
+    {
+    address: input.addr,
+    txid: "a2a1b0bfbbe769253787d83c097adf61e6d77088e295249e9c3f1ca8a035c639",
+    vout: 0,
+    ts: 1396288753,
+    scriptPubKey: "76a914e867aad8bd361f57c50adc37a0c018692b5b0c9a88ac",
+    amount: 0.63,
+    confirmations: 2
+  }
+  ];
+
+  var privs =  [
+    "cP6JBHuQf7yqeqtdKRd22ibF3VehDv7G6BdzxSNABgrv3jFJUGoN",
+    "cQfRwF7XLSM5xGUpF8PZvob2MZyULvZPA2j5cat2RKDJrja7FtCZ",
+    "cUkYub4jtFVYymHh38yMMW36nJB4pXG5Pzd5QjResq79kAndkJcg",
+    "cMyBgowsyrJRufoKWob73rMQB1PBqDdwFt8z4TJ6APN2HkmX1Ttm",
+    "cN9yZCom6hAZpHtCp8ovE1zFa7RqDf3Cr4W6AwH2tp59Jjh9JcXu",
+  ];
+
+  var pubkeys = []
+  privs.forEach(function(p) {
+    var wk = new WalletKey(opts);
+    wk.fromObj({priv: p});
+    pubkeys.push(bitcore.buffertools.toHex(wk.privKey.public));
+  });
+
+
+  var outs = [{nreq:3, pubkeys:pubkeys, amount:0.05}];
+  var tx = new Builder(opts)
+    .setUnspent(utxos)
+    .setOutputs(outs)
+    .sign([input.priv])
+    .build();
+  var txHex =  tx.serialize().toString('hex');
+  console.log('1) SEND TO MULSISIG TX: ', txHex);
+  console.log('[this example originally generated TXID: ff5c8b4912f6d056f0cf8431ec27032a73df22c167726267dd4cc0d7817a1e7d on testnet]\n\n\thttp://test.bitcore.io/tx/ff5c8b4912f6d056f0cf8431ec27032a73df22c167726267dd4cc0d7817a1e7d\n\n');
+
+
+  //save scriptPubKey
+  var scriptPubKey = tx.outs[0].s.toString('hex');
+
+  /* 
+   *
+   * REDDEEM TX
+   */
+  var utxos2 = [
+    {
+    address: input.addr,
+    txid: "ff5c8b4912f6d056f0cf8431ec27032a73df22c167726267dd4cc0d7817a1e7d",
+    vout: 0,
+    ts: 1396288753,
+    scriptPubKey: scriptPubKey, 
+    amount: 0.05,
+    confirmations: 2
+  }
+  ];
+
+  outs = [{address:input.addr, amount:0.04}];
+  var b = new Builder(opts)
+    .setUnspent(utxos2)
+    .setOutputs(outs)
+    .sign(privs);
+
+
+  tx= b.build();
+
+
+  var txHex =  tx.serialize().toString('hex');
+  console.log('2) REDEEM SCRIPT: ', txHex);
+console.log('=> Is signed status:', b.isFullySigned(), b.countInputMultiSig(0) );
+
+  console.log('[this example originally generated TXID: 2813c5a670d2c9d0527718f9d0ea896c78c3c8fc57b409e67308744fc7a7a98e on testnet]\n\n\thttp://test.bitcore.io/tx/2813c5a670d2c9d0527718f9d0ea896c78c3c8fc57b409e67308744fc7a7a98e');
+
+};
+
+// This is just for browser & mocha compatibility
+if (typeof module !== 'undefined') {
+  module.exports.run = run;
+  if (require.main === module) {
+    run();
+  }
+} else {
+  run();
+}
+
+////
+

test/test.TransactionBuilder.js

@@ -523,9 +523,6 @@ describe('TransactionBuilder', function() {
     b.isFullySigned().should.equal(false);
     b.countInputMultiSig(0).should.equal(1);
 
-
-
-
     b.sign(k23);
     b.isFullySigned().should.equal(true);
     b.countInputMultiSig(0).should.equal(3);