Remove temp-signatures, use forked repo for fix Secp256k1KeyPair

package.json

@@ -55,6 +55,7 @@
     "ecdsa-secp256k1-signature-2019": "^1.0.0",
     "elliptic": "^6.5.2",
     "ethr-did-resolver": "^2.2.0",
+    "secp256k1-key-pair": "https://github.com/SamHellawell/secp256k1-key-pair",
     "vc-js": "^0.5.0"
   }
 }

src/modules/vc.js

@@ -2,7 +2,8 @@ import documentLoader from '../utils/vc/document-loader';
 import {issue, verifyCredential, createPresentation, signPresentation, verify} from 'vc-js';
 import {Ed25519KeyPair, suites} from 'jsonld-signatures';
 const {Ed25519Signature2018} = suites;
-import {EcdsaSepc256k1Signature2019, Secp256k1KeyPair} from '../utils/vc/temp-signatures';
+import Secp256k1KeyPair from 'secp256k1-key-pair';
+import {EcdsaSepc256k1Signature2019} from '../utils/vc/signatures';
 
 
 /** Class to sign and verify Verifiable Credentials */

src/utils/vc/signatures.js

@@ -0,0 +1,38 @@
+import Secp256k1KeyPair from 'secp256k1-key-pair';
+import {suites} from 'jsonld-signatures';
+
+// TODO: use this package https://github.com/digitalbazaar/ecdsa-secp256k1-signature-2019
+// once this PR is merged: https://github.com/digitalbazaar/secp256k1-key-pair/pull/8
+export class EcdsaSepc256k1Signature2019 extends suites.JwsLinkedDataSignature {
+  /**
+   * @param type {string} Provided by subclass.
+   *
+   * One of these parameters is required to use a suite for signing:
+   *
+   * @param [creator] {string} A key id URL to the paired public key.
+   * @param [verificationMethod] {string} A key id URL to the paired public key.
+   *
+   * This parameter is required for signing:
+   *
+   * @param [signer] {function} an optional signer.
+   *
+   * Advanced optional parameters and overrides:
+   *
+   * @param [proof] {object} a JSON-LD document with options to use for
+   *   the `proof` node (e.g. any other custom fields can be provided here
+   *   using a context different from security-v2).
+   * @param [date] {string|Date} signing date to use if not passed.
+   * @param [key] {LDKeyPair} an optional crypto-ld KeyPair.
+   * @param [useNativeCanonize] {boolean} true to use a native canonize
+   *   algorithm.
+   */
+  constructor({
+    signer, key, creator, verificationMethod, proof, date, useNativeCanonize
+  } = {}) {
+    super({
+      type: 'EcdsaSecp256k1Signature2019', alg: 'ES256K',
+      LDKeyClass: Secp256k1KeyPair, creator, verificationMethod, signer, key,
+      proof, date, useNativeCanonize});
+    this.requiredKeyType = 'EcdsaSecp256k1VerificationKey2019';
+  }
+}

yarn.lock

@@ -5163,6 +5163,13 @@ secp256k1-key-pair@^1.0.0:
     elliptic "^6.5.0"
     node-forge "^0.8.5"
 
+"secp256k1-key-pair@https://github.com/SamHellawell/secp256k1-key-pair":
+  version "1.1.1-0"
+  resolved "https://github.com/SamHellawell/secp256k1-key-pair#da66af97da3944b864406ebe5a8aec96cb6152a5"
+  dependencies:
+    elliptic "^6.5.0"
+    node-forge "^0.8.5"
+
 security-context@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/security-context/-/security-context-4.0.0.tgz#e73f5d22bee9c7699a02eaaced359d001dc948e9"