scryptlib - npm Package Compare versions

Comparing version 2.1.41 to 2.1.42

dist/utils.d.ts

@@ -25,3 +25,3 @@ /// <reference types="node" />
 export declare function hexStringToBytes(hex: string): number[];
-export declare function signTx(tx: bsv.Transaction, privateKey: bsv.PrivateKey, lockingScript: Script, inputAmount: number, inputIndex?: number, sighashType?: number, flags?: number): string;
+export declare function signTx(tx: bsv.Transaction, privateKey: bsv.PrivateKey, lockingScript: Script, inputAmount: number, inputIndex?: number, sighashType?: number, flags?: number, hashCache?: bsv.HashCache): string;
 export declare function getPreimage(tx: bsv.Transaction, lockingScript: Script, inputAmount: number, inputIndex?: number, sighashType?: number, flags?: number): string;
@@ -28,0 +28,0 @@ export declare function hashIsPositiveNumber(sighash: Buffer): boolean;

dist/utils.js

@@ -202,3 +202,3 @@ "use strict";
 exports.hexStringToBytes = hexStringToBytes;
-function signTx(tx, privateKey, lockingScript, inputAmount, inputIndex, sighashType, flags) {
+function signTx(tx, privateKey, lockingScript, inputAmount, inputIndex, sighashType, flags, hashCache) {
     if (inputIndex === void 0) { inputIndex = 0; }
@@ -222,3 +222,3 @@ if (sighashType === void 0) { sighashType = exports.DEFAULT_SIGHASH_TYPE; }
     }
-    return toHex(bsv.Transaction.Sighash.sign(tx, privateKey, sighashType, inputIndex, lockingScript, new bsv.crypto.BN(inputAmount), flags).toTxFormat());
+    return toHex(bsv.Transaction.Sighash.sign(tx, privateKey, sighashType, inputIndex, lockingScript, new bsv.crypto.BN(inputAmount), flags, hashCache).toTxFormat());
 }
@@ -225,0 +225,0 @@ exports.signTx = signTx;

package.json

 {
   "name": "scryptlib",
-  "version": "2.1.41",
+  "version": "2.1.42",
   "description": "Javascript SDK for integration of Bitcoin SV Smart Contracts written in sCrypt language.",
@@ -79,2 +79,2 @@ "engines": {
   }
-}
+}

patches/bsv/index.d.ts

@@ -756,6 +756,2 @@ /* eslint-disable @typescript-eslint/ban-types */
         class Point {
-            constructor(x: crypto.BN | string,
-                y: crypto.BN | string,
-                isRed: boolean);
-
             static fromX(odd: boolean, x: crypto.BN | string): Point;
@@ -768,9 +764,5 @@ static getG(): any;
             mul(n: crypto.BN): Point;
-            add(n: crypto.Point): Point;
-            neg(): Point;
         }
 
         class Signature {
-            constructor(r: crypto.BN, s: crypto.BN);
-
             static fromDER(sig: Buffer): Signature;
@@ -878,3 +870,4 @@ static fromTxFormat(buf: Buffer): Signature;
                 satoshisBN: crypto.BN,
-                flags?: number
+                flags?: number,
+                hashCache?: HashCache
             ): Buffer;
@@ -887,3 +880,4 @@ function sighash(
                 satoshisBN: crypto.BN,
-                flags?: number
+                flags?: number,
+                hashCache?: HashCache
             ): Buffer;
@@ -897,3 +891,4 @@ function sign(
                 satoshisBN: crypto.BN,
-                flags?: number
+                flags?: number,
+                hashCache?: HashCache
             ): crypto.Signature;
@@ -907,3 +902,4 @@ function verify(
                 satoshisBN: crypto.BN,
-                flags?: number
+                flags?: number,
+                hashCache?: HashCache
             ): boolean;
@@ -1495,2 +1491,18 @@ }
     }
-}
+
+    export class HashCache {
+        constructor(
+            prevoutsHashBuf?: Buffer,
+            sequenceHashBuf?: Buffer,
+            outputsHashBuf?: Buffer
+        )
+
+        static fromBuffer(buf: Buffer): HashCache
+        static fromJSON(json: object): HashCache
+        static fromHex(hex: string): HashCache
+        
+        toBuffer(): HashCache
+        toJSON(): HashCache
+        toHex(): HashCache
+    }
+}

patches/bsv/index.js

@@ -58,2 +58,3 @@ 'use strict'
 bsv.ECIES = require('./lib/ecies')
+bsv.HashCache = require('./lib/hash-cache')
 
@@ -60,0 +61,0 @@ // dependencies, subject to change

patches/bsv/lib/transaction/sighash.js

@@ -16,2 +16,3 @@ 'use strict'
 var _ = require('../util/_')
+var HashCache = require('../hash-cache')
 
@@ -24,3 +25,3 @@ var SIGHASH_SINGLE_BUG = Buffer.from('0000000000000000000000000000000000000000000000000000000000000001', 'hex')
 
-var sighashPreimageForForkId = function (transaction, sighashType, inputNumber, subscript, satoshisBN) {
+var sighashPreimageForForkId = function (transaction, sighashType, inputNumber, subscript, satoshisBN, hashCache = new HashCache()) {
   var input = transaction.inputs[inputNumber]
@@ -78,3 +79,3 @@ $.checkArgument(
   if (!(sighashType & Signature.SIGHASH_ANYONECANPAY)) {
-    hashPrevouts = GetPrevoutHash(transaction)
+    hashPrevouts = hashCache.prevoutsHashBuf ? hashCache.prevoutsHashBuf : hashCache.prevoutsHashBuf = GetPrevoutHash(transaction)
   }
@@ -85,7 +86,7 @@
     (sighashType & 31) !== Signature.SIGHASH_NONE) {
-    hashSequence = GetSequenceHash(transaction)
+    hashSequence = hashCache.sequenceHashBuf ? hashCache.sequenceHashBuf : hashCache.sequenceHashBuf = GetSequenceHash(transaction)
   }
 
   if ((sighashType & 31) !== Signature.SIGHASH_SINGLE && (sighashType & 31) !== Signature.SIGHASH_NONE) {
-    hashOutputs = GetOutputsHash(transaction)
+    hashOutputs = hashCache.outputsHashBuf ? hashCache.outputsHashBuf : hashCache.outputsHashBuf = GetOutputsHash(transaction)
   } else if ((sighashType & 31) === Signature.SIGHASH_SINGLE && inputNumber < transaction.outputs.length) {
@@ -143,3 +144,3 @@ hashOutputs = GetOutputsHash(transaction, inputNumber)
  */
-var sighashPreimage = function sighashPreimage (transaction, sighashType, inputNumber, subscript, satoshisBN, flags) {
+var sighashPreimage = function sighashPreimage (transaction, sighashType, inputNumber, subscript, satoshisBN, flags, hashCache = new HashCache()) {
   var Transaction = require('./transaction')
@@ -235,4 +236,4 @@ var Input = require('./input')
  */
-var sighash = function sighash (transaction, sighashType, inputNumber, subscript, satoshisBN, flags) {
-  var preimage = sighashPreimage(transaction, sighashType, inputNumber, subscript, satoshisBN, flags)
+var sighash = function sighash (transaction, sighashType, inputNumber, subscript, satoshisBN, flags, hashCache = new HashCache()) {
+  var preimage = sighashPreimage(transaction, sighashType, inputNumber, subscript, satoshisBN, flags, hashCache)
   if (preimage.compare(SIGHASH_SINGLE_BUG) === 0) return preimage
@@ -256,4 +257,4 @@ var ret = Hash.sha256sha256(preimage)
  */
-function sign (transaction, privateKey, sighashType, inputIndex, subscript, satoshisBN, flags) {
-  var hashbuf = sighash(transaction, sighashType, inputIndex, subscript, satoshisBN, flags)
+function sign (transaction, privateKey, sighashType, inputIndex, subscript, satoshisBN, flags, hashCache = new HashCache()) {
+  var hashbuf = sighash(transaction, sighashType, inputIndex, subscript, satoshisBN, flags, hashCache)
 
@@ -279,6 +280,6 @@ var sig = ECDSA.sign(hashbuf, privateKey, 'little').set({
  */
-function verify (transaction, signature, publicKey, inputIndex, subscript, satoshisBN, flags) {
+function verify (transaction, signature, publicKey, inputIndex, subscript, satoshisBN, flags, hashCache = new HashCache()) {
   $.checkArgument(!_.isUndefined(transaction))
   $.checkArgument(!_.isUndefined(signature) && !_.isUndefined(signature.nhashtype))
-  var hashbuf = sighash(transaction, signature.nhashtype, inputIndex, subscript, satoshisBN, flags)
+  var hashbuf = sighash(transaction, signature.nhashtype, inputIndex, subscript, satoshisBN, flags, hashCache)
   return ECDSA.verify(hashbuf, signature, publicKey, 'little')
@@ -285,0 +286,0 @@ }

patches/bsv/lib/transaction/transaction.js

@@ -65,3 +65,2 @@ 'use strict'
 var DEFAULT_NLOCKTIME = 0
-var MAX_BLOCK_SIZE = 1000000
 
@@ -1205,7 +1204,2 @@ // Minimum amount for an output for it not to be considered a dust output
 
-  // Size limits
-  if (this.toBuffer().length > MAX_BLOCK_SIZE) {
-    return 'transaction over the maximum block size'
-  }
-
   // Check for duplicate inputs
@@ -1212,0 +1206,0 @@ var txinmap = {}

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Improved metrics

Total package byte prevSize

978436

increased by0.21%

Number of package files

119

increased by0.85%

Lines of code

24118

increased by0.21%

No dependency changes