Dedupe signature splitting

nimiq · Jan 5, 2024 · 166daa3 · 166daa3
1 parent dda1b64
commit 166daa3
Showing 1 changed file with 14 additions and 10 deletions.
diff --git a/src/lib/polygon/PolygonKey.js b/src/lib/polygon/PolygonKey.js
@@ -90,11 +90,7 @@ class PolygonKey { // eslint-disable-line no-unused-vars
             message,
         );
 
-        const sigR = signature.slice(0, 66); // 0x prefix plus 32 bytes = 66 characters
-        const sigS = `0x${signature.slice(66, 130)}`; // 32 bytes = 64 characters
-        const sigV = parseInt(signature.slice(130, 132), 16); // last byte = 2 characters
-
-        return { sigR, sigS, sigV };
+        return this._signatureToParts(signature);
     }
 
     /**
@@ -139,11 +135,7 @@ class PolygonKey { // eslint-disable-line no-unused-vars
             message,
         );
 
-        const sigR = signature.slice(0, 66); // 0x prefix plus 32 bytes = 66 characters
-        const sigS = `0x${signature.slice(66, 130)}`; // 32 bytes = 64 characters
-        const sigV = parseInt(signature.slice(130, 132), 16); // last byte = 2 characters
-
-        return { sigR, sigS, sigV };
+        return this._signatureToParts(signature);
     }
 
     /**
@@ -171,6 +163,18 @@ class PolygonKey { // eslint-disable-line no-unused-vars
         return this._key;
     }
 
+    /**
+     * @param {string} signature
+     * @returns {{sigR: string, sigS: string, sigV: number}}
+     */
+    _signatureToParts(signature) {
+        const sigR = signature.slice(0, 66); // 0x prefix plus 32 bytes = 66 characters
+        const sigS = `0x${signature.slice(66, 130)}`; // 32 bytes = 64 characters
+        const sigV = parseInt(signature.slice(130, 132), 16); // last byte = 2 characters
+
+        return { sigR, sigS, sigV };
+    }
+
     /**
      * @type {string}
      */