@iov/encoding - npm Package Compare versions

Comparing version 0.17.7 to 0.17.8

build/decimal.js

@@ -7,2 +7,5 @@ "use strict";
 const bn_js_1 = __importDefault(require("bn.js"));
+// Too large values lead to massive memory usage. Limit to something sensible.
+// The largest value we need is 18 (Ether).
+const maxFractionalDigits = 100;
 /**
@@ -59,2 +62,5 @@ * A type for arbitrary precision, non-negative decimals.
             throw new Error("Fractional digits must not be negative");
+        if (fractionalDigits > maxFractionalDigits) {
+            throw new Error(`Fractional digits must not exceed ${maxFractionalDigits}`);
+        }
     }
@@ -64,2 +70,5 @@ get atomics() {
     }
+    get fractionalDigits() {
+        return this.data.fractionalDigits;
+    }
     constructor(atomics, fractionalDigits) {
@@ -84,4 +93,25 @@ this.data = {
     }
+    /**
+     * Returns an approximation as a float type. Only use this if no
+     * exact calculation is required.
+     */
+    toFloatApproximation() {
+        const out = Number(this.toString());
+        if (Number.isNaN(out))
+            throw new Error("Conversion to number failed");
+        return out;
+    }
+    /**
+     * a.plus(b) returns a+b.
+     *
+     * Both values need to have the same fractional digits.
+     */
+    plus(b) {
+        if (this.fractionalDigits !== b.fractionalDigits)
+            throw new Error("Fractional digits do not match");
+        const sum = this.data.atomics.add(new bn_js_1.default(b.atomics));
+        return new Decimal(sum.toString(), this.fractionalDigits);
+    }
 }
 exports.Decimal = Decimal;
 //# sourceMappingURL=decimal.js.map

build/integers.js

@@ -16,3 +16,3 @@ "use strict";
         for (let i = 0; i < bytes.length; ++i) {
-            if (bytes[i] > 255 || bytes[i] < 0 || Number.isNaN(bytes[i])) {
+            if (!Number.isInteger(bytes[i]) || bytes[i] > 255 || bytes[i] < 0) {
                 throw new Error("Invalid value in byte. Found: " + bytes[i]);
@@ -109,3 +109,3 @@ }
         for (let i = 0; i < bytes.length; ++i) {
-            if (bytes[i] > 255 || bytes[i] < 0 || Number.isNaN(bytes[i])) {
+            if (!Number.isInteger(bytes[i]) || bytes[i] > 255 || bytes[i] < 0) {
                 throw new Error("Invalid value in byte. Found: " + bytes[i]);
@@ -112,0 +112,0 @@ }

package.json

 {
   "name": "@iov/encoding",
-  "version": "0.17.7",
+  "version": "0.17.8",
   "description": "Encoding helpers for IOV projects",
@@ -48,3 +48,3 @@ "author": "IOV SAS <[e-mail]>",
   },
-  "gitHead": "69743bbaf8b5aadb93f199b8aecc7a740253954e"
+  "gitHead": "722c7ed3539806384a1b02c6d6777aadd9eeb6b4"
 }

types/decimal.d.ts

@@ -11,5 +11,17 @@ /**
   readonly atomics: string;
+  readonly fractionalDigits: number;
   private readonly data;
   private constructor();
   toString(): string;
+  /**
+   * Returns an approximation as a float type. Only use this if no
+   * exact calculation is required.
+   */
+  toFloatApproximation(): number;
+  /**
+   * a.plus(b) returns a+b.
+   *
+   * Both values need to have the same fractional digits.
+   */
+  plus(b: Decimal): Decimal;
 }

No alert changes

Improved metrics

Total package byte prevSize

60519

3.74%

Lines of code

782

5.68%

No dependency changes