ethers-gcp-kms-signer - npm Package Compare versions

Comparing version 1.1.0 to 1.1.1

CHANGELOG.md

@@ -0,1 +1,8 @@
+## [1.1.1](https://github.com/openlawteam/ethers-gcp-kms-signer/compare/v1.1.0...v1.1.1) (2021-10-28)
+
+
+### fix
+
+* recoverPubKey function ([20af9ba](https://github.com/openlawteam/ethers-gcp-kms-signer/commit/20af9ba81d25c1f61bd902d3e23e5f416ae345e9))
+
 # [1.1.0](https://github.com/openlawteam/ethers-gcp-kms-signer/compare/v1.0.0...v1.1.0) (2021-10-28)
@@ -2,0 +9,0 @@

dist/util/signature-utils.d.ts

@@ -0,3 +1,12 @@
+/// <reference types="node" />
 import { MessageTypes, SignTypedDataVersion, TypedDataV1, TypedMessage } from "@metamask/eth-sig-util";
 /**
+ * Recover the public key from the given signature and message hash.
+ *
+ * @param messageHash - The hash of the signed message.
+ * @param signature - The signature.
+ * @returns The public key of the signer.
+ */
+export declare function recoverPublicKey(messageHash: any, signature: any): Buffer;
+/**
  * Validate that the given value is a valid version string.
@@ -4,0 +13,0 @@ *

dist/util/signature-utils.js

@@ -6,2 +6,3 @@ "use strict";
 });
+exports.recoverPublicKey = recoverPublicKey;
 exports.recoverTypedSignature = recoverTypedSignature;
@@ -12,7 +13,16 @@ exports.validateVersion = validateVersion;
 
-var _utils = require("@metamask/eth-sig-util/dist/utils");
-
 var _ethereumjsUtil = require("ethereumjs-util");
 
 /**
+ * Recover the public key from the given signature and message hash.
+ *
+ * @param messageHash - The hash of the signed message.
+ * @param signature - The signature.
+ * @returns The public key of the signer.
+ */
+function recoverPublicKey(messageHash, signature) {
+  const sigParams = (0, _ethereumjsUtil.fromRpcSig)(signature);
+  return (0, _ethereumjsUtil.ecrecover)(messageHash, sigParams.v, sigParams.r, sigParams.s);
+}
+/**
  * Validate that the given value is a valid version string.
@@ -24,2 +34,4 @@ *
  */
+
+
 function validateVersion(version, allowedVersions) {
@@ -66,5 +78,5 @@ if (!Object.keys(_ethSigUtil.SignTypedDataVersion).includes(version)) {
 
-  const publicKey = (0, _utils.recoverPublicKey)(messageHash, signature);
+  const publicKey = recoverPublicKey(messageHash, signature);
   const sender = (0, _ethereumjsUtil.publicToAddress)(publicKey);
   return (0, _ethereumjsUtil.bufferToHex)(sender);
 }

package.json

 {
   "name": "ethers-gcp-kms-signer",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "description": "An Ethers.js compatible signer that connects to GCP KMS",
@@ -5,0 +5,0 @@ "main": "dist/signer.js",

src/util/signature-utils.ts

@@ -9,6 +9,17 @@ import {
 } from "@metamask/eth-sig-util";
-import { recoverPublicKey } from "@metamask/eth-sig-util/dist/utils";
-import { bufferToHex, publicToAddress } from "ethereumjs-util";
+import { bufferToHex, publicToAddress, fromRpcSig, ecrecover } from "ethereumjs-util";
 
 /**
+ * Recover the public key from the given signature and message hash.
+ *
+ * @param messageHash - The hash of the signed message.
+ * @param signature - The signature.
+ * @returns The public key of the signer.
+ */
+export function recoverPublicKey(messageHash, signature) {
+  const sigParams = fromRpcSig(signature);
+  return ecrecover(messageHash, sigParams.v, sigParams.r, sigParams.s);
+}
+
+/**
  * Validate that the given value is a valid version string.
@@ -15,0 +26,0 @@ *

No alert changes

Improved metrics

Total package byte prevSize

54658

increased by2.49%

Lines of code

934

increased by3.32%

No dependency changes