From f7e3c037e79a30f3ce15e42eec8cbc1db125cfa6 Mon Sep 17 00:00:00 2001
From: Matias Alejo Garcia <ematiu@gmail.com>
Date: Wed, 1 Oct 2014 11:47:49 -0300
Subject: [PATCH] add test for uxtos containing dust

---
 test/data/unspentDust.json      | 46 +++++++++++++++++++++++++++++++++
 test/test.TransactionBuilder.js | 43 ++++++++++++++++++++++++++++++
 test/testdata.js                |  2 ++
 3 files changed, 91 insertions(+)
 create mode 100644 test/data/unspentDust.json

diff --git a/test/data/unspentDust.json b/test/data/unspentDust.json
new file mode 100644
index 000000000..2e0ee1b0d
--- /dev/null
+++ b/test/data/unspentDust.json
@@ -0,0 +1,46 @@
+[{
+    "address": "3M9KXMPSVmiGi3hMn8uLCfGpvL4uDVxesf",
+    "txid": "a81dee966f2c9e8b0dfed79e2cece5f75a8381717521e60d4c67bd3cb47bfc4a",
+    "vout": 12,
+    "ts": 1411839163,
+    "scriptPubKey": "a914d563e5922bb15a5564a69e1b98202ec086eaf5ab87",
+    "amount": 1e-8,
+    "confirmations": 6,
+    "confirmationsFromCache": true
+  },
+
+
+  {
+    "address": "3M9KXMPSVmiGi3hMn8uLCfGpvL4uDVxesf",
+    "txid": "183861109cf81ea2305873957a3c2619a8a299b580bbb613880f99bf7c4d4e81",
+    "vout": 1,
+    "ts": 1411765691,
+    "scriptPubKey": "a914d563e5922bb15a5564a69e1b98202ec086eaf5ab87",
+    "amount": 0.06407,
+    "confirmations": 6,
+    "confirmationsFromCache": true
+  },
+
+  {
+    "address": "3QfLBMCLsjWRgJBbze7ebsRq46YHmbWnkd",
+    "txid": "a84dd7361ad406c13a13499167397cc68da221aaadec3669475df58ba4127d30",
+    "vout": 45,
+    "ts": 1411839163,
+    "scriptPubKey": "a914fbf94cc1a14da52761e4704ac371f87b2b4e475187",
+    "amount": 1e-8,
+    "confirmations": 6,
+    "confirmationsFromCache": true
+  },
+
+
+  {
+    "address": "3QfLBMCLsjWRgJBbze7ebsRq46YHmbWnkd",
+    "txid": "fe017b836ece3b1ab11d42409632fc6bc9757d116e12d80f74f7982d0c247ece",
+    "vout": 0,
+    "ts": 1411765691,
+    "scriptPubKey": "a914fbf94cc1a14da52761e4704ac371f87b2b4e475187",
+    "amount": 3.5348,
+    "confirmations": 6,
+    "confirmationsFromCache": true
+  }
+]
diff --git a/test/test.TransactionBuilder.js b/test/test.TransactionBuilder.js
index 418c34825..0885e1229 100644
--- a/test/test.TransactionBuilder.js
+++ b/test/test.TransactionBuilder.js
@@ -144,6 +144,27 @@ describe('TransactionBuilder', function() {
       .setOutputs(outs);
   };
 
+
+  var getBuilderDust = function() {
+    var opts = {
+      remainderOut: {
+        address: 'mwZabyZXg8JzUtFX1pkGygsMJjnuqiNhgd'
+      },
+      spendUnconfirmed: true,
+    };
+
+    var outs = [{
+      address: 'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE',
+      amount: 3.27585303, 
+    }];
+
+    return new TransactionBuilder(opts)
+      .setUnspent(testdata.dataUnspentDust)
+      .setOutputs(outs);
+  };
+
+
+
   it('should fail to create tx', function() {
 
     (function() {
@@ -213,6 +234,28 @@ describe('TransactionBuilder', function() {
   });
 
 
+  it('should be able to create a tx with dust UTXOs', function() {
+    var b = getBuilderDust();
+
+    b.isFullySigned().should.equal(false);
+    b.getSelectedUnspent().length.should.equal(4);
+
+    var tx = b.build();
+    should.exist(tx);
+
+    tx.version.should.equal(1);
+    tx.ins.length.should.equal(4);
+    tx.outs.length.should.equal(2);
+    util.valueToBigInt(tx.outs[0].v).cmp(327585303).should.equal(0);
+
+
+    // remainder is ( 0.06407+ 3.5348 + 1-e8 + 1-e8 ) * 100000000  - fee - 359877002
+    util.valueToBigInt(tx.outs[1].v).cmp(32291699).should.equal(0);
+  });
+
+
+
+
   it('should create same output as bitcoind createrawtransaction ', function() {
     var tx = getBuilder2().build();
 
diff --git a/test/testdata.js b/test/testdata.js
index a86183e11..58b087bd3 100644
--- a/test/testdata.js
+++ b/test/testdata.js
@@ -9,6 +9,7 @@ var dataScriptValid = JSON.parse(fs.readFileSync('test/data/script_valid.json'))
 var dataScriptInvalid = JSON.parse(fs.readFileSync('test/data/script_invalid.json'));
 var dataUnspent = JSON.parse(fs.readFileSync('test/data/unspent.json'));
 var dataUnspentSign = JSON.parse(fs.readFileSync('test/data/unspentSign.json'));
+var dataUnspentDust = JSON.parse(fs.readFileSync('test/data/unspentDust.json'));
 var dataSigCanonical = JSON.parse(fs.readFileSync('test/data/sig_canonical.json'));
 var dataSigNonCanonical = JSON.parse(fs.readFileSync('test/data/sig_noncanonical.json'));
 var dataBase58KeysValid = JSON.parse(fs.readFileSync('test/data/base58_keys_valid.json'));
@@ -26,6 +27,7 @@ module.exports.dataScriptInvalid = dataScriptInvalid;
 module.exports.dataScriptAll = dataScriptValid.concat(dataScriptInvalid);
 module.exports.dataUnspent = dataUnspent;
 module.exports.dataUnspentSign = dataUnspentSign;
+module.exports.dataUnspentDust = dataUnspentDust;
 module.exports.dataSigCanonical = dataSigCanonical;
 module.exports.dataSigNonCanonical = dataSigNonCanonical;
 module.exports.dataBase58KeysValid = dataBase58KeysValid;