@dashevo/dashcore-lib - npm Package Compare versions

Comparing version 0.17.11 to 0.17.12

lib/errors/index.js

@@ -65,1 +65,4 @@ /* eslint-disable */
 };
+
+module.exports.WrongOutPointError = require('./WrongOutPointError');
+module.exports.WrongPublicKeyHashError = require('./WrongPublicKeyHashError');

lib/transaction/transaction.js

@@ -22,6 +22,2 @@ /* eslint-disable */
 var Input = require('./input');
-var PublicKeyHashInput = Input.PublicKeyHash;
-var PublicKeyInput = Input.PublicKey;
-var MultiSigScriptHashInput = Input.MultiSigScriptHash;
-var MultiSigInput = Input.MultiSig;
 var Output = require('./output');
@@ -32,3 +28,11 @@ var Script = require('../script');
 var Payload = require('./payload');
+var Opcode = require('../opcode');
+
+var PublicKeyHashInput = Input.PublicKeyHash;
+var PublicKeyInput = Input.PublicKey;
+var MultiSigScriptHashInput = Input.MultiSigScriptHash;
+var MultiSigInput = Input.MultiSig;
 var registeredTransactionTypes = Payload.constants.registeredTransactionTypes;
+var WrongOutPointError = errors.WrongOutPointError;
+var WrongPublicKeyHashError = errors.WrongPublicKeyHashError;
 
@@ -113,2 +117,21 @@ /**
 
+/**
+ * @param {Buffer} outPointBuffer
+ * @return {{outputIndex: number, transactionHash: string}}
+ */
+Transaction.parseOutPointBuffer = function parseOutPointBuffer(outPointBuffer) {
+  if (outPointBuffer.length !== 36) {
+    throw new WrongOutPointError('OutPoint buffer length expected to be 36 bytes');
+  }
+
+  var bufferReader = new BufferReader(outPointBuffer);
+  var transactionHash = bufferReader.read(32).toString('hex');
+  var outputIndex = bufferReader.readUInt32LE(4);
+
+  return {
+    transactionHash: transactionHash,
+    outputIndex: outputIndex
+  };
+};
+
 var hashProperty = {
@@ -1375,2 +1398,6 @@ configurable: false,
 
+/**
+ * @param {number} fundingAmount
+ * @return {Transaction}
+ */
 Transaction.prototype.addFundingOutput = function addFundingOutput(fundingAmount) {
@@ -1386,2 +1413,42 @@ var script = new Script().add('OP_RETURN');
 
+/**
+ * @param {number} satoshisToBurn
+ * @param {Buffer} publicKeyHash
+ * @return {Transaction}
+ */
+Transaction.prototype.addBurnOutput = function addBurnOutput(satoshisToBurn, publicKeyHash) {
+  if (publicKeyHash.length !== 20) {
+    throw new WrongPublicKeyHashError('Expect public key hash to be 20 bytes long');
+  }
+
+  var script = new Script()
+    .add(Opcode.OP_RETURN)
+    .add(publicKeyHash);
+  var output = new Output({
+    satoshis: satoshisToBurn,
+    script: script
+  });
+  this.addOutput(output);
+  return this;
+};
+
+/**
+ * Gives an OutPoint buffer for the output at a given index
+ *
+ * @param {number} outputIndex
+ * @return {Buffer}
+ */
+Transaction.prototype.getOutPointBuffer = function getOutPointBuffer(outputIndex) {
+  if (!this.outputs[outputIndex]) {
+    throw new WrongOutPointError("There's no output with such index in the transaction");
+  }
+
+  var binaryTransactionHash = Buffer.from(this.hash, 'hex');
+  var indexBuffer = Buffer.alloc(4);
+
+  indexBuffer.writeUInt32LE(outputIndex, 0);
+
+  return Buffer.concat([binaryTransactionHash, indexBuffer]);
+};
+
 module.exports = Transaction;

package.json

 {
   "name": "@dashevo/dashcore-lib",
-  "version": "0.17.11",
+  "version": "0.17.12",
   "description": "A pure and powerful JavaScript Dash library.",
@@ -5,0 +5,0 @@ "author": "Dash Core Group, Inc. <[e-mail]>",

test/transaction/payload/commitmenttxpayload.js

@@ -123,3 +123,3 @@ /* eslint-disable */
       var parsed = new Transaction(expectedCommitementHex);
-      console.log(parsed.hash);
+
       var actualCommitementHex = parsed.toString();
@@ -126,0 +126,0 @@ expect(actualCommitementHex).to.be.equal(expectedCommitementHex);

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Improved metrics

Total package byte prevSize

2856018

increased by0.27%

Number of package files

217

increased by0.93%

Lines of code

41153

increased by0.45%

No dependency changes