Merge pull request #4 from bloock/feature/EIT-1898

EIT-1898 | Implement Sign function in JS SDK
bloock · Mar 7, 2022 · eaca777 · eaca777
2 parents 58cb3c0 + 458ecd2
commit eaca777
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Showing 4 changed files with 56 additions and 21 deletions.
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@bloock/sdk",
-  "version": "1.3.3",
+  "version": "1.4.0",
   "description": "",
   "keywords": [],
   "main": "dist/lib/index.js",
@@ -27,6 +27,7 @@
     "buffer": "^5.6.0",
     "json-stable-stringify": "^1.0.1",
     "reflect-metadata": "^0.1.13",
+    "secp256k1": "^4.0.3",
     "ts-polyfill": "^3.8.2",
     "tsyringe": "^4.4.0",
     "web3": "^1.3.0"

diff --git a/src/record/entity/record.entity.ts b/src/record/entity/record.entity.ts
@@ -1,3 +1,4 @@
+import secp256k1 from 'secp256k1'
 import { HashingClient } from '../../infrastructure/hashing.client'
 import { Keccak } from '../../infrastructure/hashing/keccak'
 import { Utils } from '../../shared/utils'
@@ -92,4 +93,16 @@ export class Record {
   public getUint8ArrayHash(): Uint8Array {
     return Utils.hexToBytes(this.hash)
   }
+
+  public sign(privateKey: string): Record {
+    const privKey = Buffer.from(privateKey, 'hex')
+
+    if (!secp256k1.privateKeyVerify(privKey)) {
+      throw "Sign: Invalid private key provided"
+    }
+
+    const signObj = secp256k1.ecdsaSign(this.getUint8ArrayHash(), privKey)
+
+    return new Record(this.hash)
+  }
 }
diff --git a/test/acceptance.test.ts b/test/acceptance.test.ts
@@ -117,14 +117,6 @@ describe('Acceptance Tests', () => {
     await expect(sdk.getRecords(records)).rejects.toEqual(new InvalidRecordException())
   })
 
-  test('test_get_anchor_non_existing_anchor', async () => {
-    const sdk = getSdk()
-
-    await expect(sdk.getAnchor(666666666666666666)).rejects.toEqual(
-      new HttpRequestException('Anchor not found')
-    )
-  })
-
   test('test_get_anchor_invalid_input', async () => {
     const sdk = getSdk()
 
@@ -188,7 +180,7 @@ describe('Acceptance Tests', () => {
 
     await expect(sdk.getProof(records)).rejects.toEqual(
       new HttpRequestException(
-        "Message '0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef' not found."
+        "Record '0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef' not found."
       )
     )
   })
@@ -248,7 +240,7 @@ describe('Acceptance Tests', () => {
 
     await expect(sdk.verifyRecords(records, Network.BLOOCK_CHAIN)).rejects.toEqual(
       new HttpRequestException(
-        "Message '0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef' not found."
+        "Record '0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef' not found."
       )
     )
   })