@waves/bignumber - npm Package Compare versions

Comparing version 0.0.1 to 0.0.2

dist/BigNumber.d.ts

@@ -6,4 +6,5 @@ import { default as BigNum } from 'bignumber.js';
     readonly bn: BigNum;
+    static MIN_VALUE: BigNumber;
     static MAX_VALUE: BigNumber;
-    static MIN_VALUE: BigNumber;
+    static MIN_UNSIGNED_VALUE: BigNumber;
     static MAX_UNSIGNED_VALUE: BigNumber;
@@ -35,3 +36,4 @@ static config: Config;
     isOdd(): boolean;
-    toBytes(): Uint8Array;
+    isInSignedRange(): boolean;
+    isInUnsignedRange(): boolean;
     toFormat(decimals?: number, roundMode?: BigNumber.ROUND_MODE, format?: IFormat): string;
@@ -43,3 +45,10 @@ toFixed(decimals?: number, roundMode?: BigNumber.ROUND_MODE): string;
     valueOf(): string;
-    static fromBytes(bytes: Uint8Array | Array<number>): BigNumber;
+    toBytes({ isSigned, isLong }?: {
+        isSigned?: boolean | undefined;
+        isLong?: boolean | undefined;
+    }): Uint8Array;
+    static fromBytes(bytes: Uint8Array | Array<number>, { isSigned, isLong }?: {
+        isSigned?: boolean | undefined;
+        isLong?: boolean | undefined;
+    }): BigNumber;
     static max(...items: Array<TLong>): BigNumber;
@@ -46,0 +55,0 @@ static min(...items: Array<TLong>): BigNumber;

dist/BigNumber.js

@@ -88,16 +88,8 @@ "use strict";
     };
-    BigNumber.prototype.toBytes = function () {
-        if (!this.isInt()) {
-            throw new Error('Cant create bytes from number with decimals!');
-        }
-        var isNegative = this.isNegative();
-        var toAdd = isNegative ? '1' : '0';
-        var baseStr = BigNumber._toLength(64, this.bn.plus(toAdd).abs().toString(2).replace('-', ''));
-        var baseStrArr = baseStr.split('');
-        var bytes = [];
-        do {
-            bytes.push(parseInt(baseStrArr.splice(0, 8).join(''), 2));
-        } while (baseStrArr.length);
-        return isNegative ? Uint8Array.from(bytes.map(function (byte) { return 255 - byte; })) : Uint8Array.from(bytes);
+    BigNumber.prototype.isInSignedRange = function () {
+        return (this.gte(BigNumber.MIN_VALUE) && this.lte(BigNumber.MAX_VALUE));
     };
+    BigNumber.prototype.isInUnsignedRange = function () {
+        return (this.gte(BigNumber.MIN_UNSIGNED_VALUE) && this.lte(BigNumber.MAX_UNSIGNED_VALUE));
+    };
     BigNumber.prototype.toFormat = function (decimals, roundMode, format) {
@@ -126,7 +118,41 @@ return this.bn.toFormat(decimals, roundMode, format);
     };
-    BigNumber.fromBytes = function (bytes) {
-        if (bytes.length !== 8) {
-            throw new Error('Wrong bytes length! Need 8 bytes!');
+    BigNumber.prototype.toBytes = function (_a) {
+        var _b = _a === void 0 ? {} : _a, _c = _b.isSigned, isSigned = _c === void 0 ? true : _c, _d = _b.isLong, isLong = _d === void 0 ? true : _d;
+        if (!this.isInt()) {
+            throw new Error('Cant create bytes from number with decimals!');
         }
-        var isNegative = bytes[0] > 127;
+        if (!isSigned && this.isNegative()) {
+            throw new Error('Cant create bytes from negative number in signed mode!');
+        }
+        if (isLong && isSigned && !this.isInSignedRange()) {
+            throw new Error('Number is not from signed numbers range');
+        }
+        if (isLong && !isSigned && !this.isInUnsignedRange()) {
+            throw new Error('Number is not from unsigned numbers range');
+        }
+        var isNegative = isSigned && this.isNegative();
+        var toAdd = isNegative ? '1' : '0';
+        var byteString = this.bn.plus(toAdd).toString(2).replace('-', '');
+        var stringLength = isLong
+            ? 64
+            : Math.ceil(byteString.length / 8) * 8;
+        var baseStr = BigNumber._toLength(stringLength, byteString);
+        var baseStrArr = baseStr.split('');
+        var bytes = [];
+        do {
+            bytes.push(parseInt(baseStrArr.splice(0, 8).join(''), 2));
+        } while (baseStrArr.length);
+        return isNegative
+            ? Uint8Array.from(bytes.map(function (byte) { return 255 - byte; }))
+            : Uint8Array.from(bytes);
+    };
+    BigNumber.fromBytes = function (bytes, _a) {
+        var _b = _a === void 0 ? {} : _a, _c = _b.isSigned, isSigned = _c === void 0 ? true : _c, _d = _b.isLong, isLong = _d === void 0 ? true : _d;
+        if (isLong && bytes.length !== 8) {
+            throw new Error('Wrong bytes length! Minimal length is 8 byte!');
+        }
+        bytes = ((!isLong && bytes.length > 0) || isLong)
+            ? bytes
+            : [0];
+        var isNegative = isSigned ? bytes[0] > 127 : false;
         var byteString = Array.from(bytes)
@@ -137,8 +163,5 @@ .map(function (byte) { return isNegative ? 255 - byte : byte; })
         var result = new BigNumber(new bignumber_js_1.default(byteString, 2));
-        if (isNegative) {
-            return result.mul(-1).sub(1);
-        }
-        else {
-            return result;
-        }
+        return isNegative
+            ? result.mul(-1).sub(1)
+            : result;
     };
@@ -206,4 +229,5 @@ BigNumber.max = function () {
     };
+    BigNumber.MIN_VALUE = new BigNumber('-9223372036854775808');
     BigNumber.MAX_VALUE = new BigNumber('9223372036854775807');
-    BigNumber.MIN_VALUE = new BigNumber('-9223372036854775808');
+    BigNumber.MIN_UNSIGNED_VALUE = new BigNumber('0');
     BigNumber.MAX_UNSIGNED_VALUE = new BigNumber('18446744073709551615');
@@ -210,0 +234,0 @@ BigNumber.config = new Config_1.Config();

dist/bignumber.umd.min.js

@@ -1,1 +0,1 @@
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package.json

 {
   "name": "@waves/bignumber",
-  "version": "0.0.1",
+  "version": "0.0.2",
   "description": "Waves Library for work with Bignumber in javascript",
@@ -30,3 +30,2 @@ "main": "dist/index.js",
   "dependencies": {
-    "@types/bignumber.js": "^5.0.0",
     "bignumber.js": "^8.1.1"
@@ -33,0 +32,0 @@ },

New alerts

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Found 1 instance in 1 package

New author

Supply chain risk

A new npm collaborator published a version of the package for the first time. New collaborators are usually benign additions to a project, but do indicate a change to the security surface area of a package.

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Fixed alerts

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Improved metrics

Total package byte prevSize

158700

increased by3.25%

Dependency count

1

decreased by-50%

Lines of code

3085

increased by1.98%

Worsened metrics

Number of medium supply chain risk alerts

1

increased byInfinity%

Dependency changes

• - Removed@types/bignumber.js@^5.0.0

• - Removed@types/bignumber.js@5.0.4(transitive)