Merge branch 'master' of github.com:orbs-network/orbs-client-sdk-javascript

Author: Gil Amran

package.json

@@ -1,6 +1,6 @@
 {
   "name": "orbs-client-sdk",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "description": "orbs-client-sdk",
   "main": "dist/orbs-client-sdk.js",
   "browser": "dist/orbs-client-sdk-web.js",

src/crypto/Digest.test.ts

@@ -0,0 +1,17 @@
+/**
+ * Copyright 2019 the orbs-client-sdk-javascript authors
+ * This file is part of the orbs-client-sdk-javascript library in the Orbs project.
+ *
+ * This source code is licensed under the MIT license found in the LICENSE file in the root directory of this source tree.
+ * The above notice should be included in all copies or substantial portions of the software.
+ */
+
+import * as Digest from "./Digest";
+import { encodeHex } from "./Encoding";
+
+test("HexEncodeWithChecksum", () => {
+    expect(() => { Digest.contractNameToAddressAsBytes(""); }).toThrowError("invalid contract name");
+
+    // This value was generated by orbs-contract-sdk-go which was tested with an e2e test against gamma
+    expect(encodeHex(Digest.contractNameToAddressAsBytes("ERC721Receiver1567581564581813000"))).toEqual("0x63D2fE13c426Fe78E3C92E0B22d04508c54aA4BF");
+});

src/crypto/Digest.ts

@@ -47,3 +47,11 @@ export function extractTxId(txId: Uint8Array): [Uint8Array, bigint] {
 export function calcQueryHash(queryBuf: Uint8Array): Uint8Array {
   return Hash.calcSha256(queryBuf);
 }
+
+export function contractNameToAddressAsBytes(contractName: string): Uint8Array {
+  if (!contractName || contractName === "") {
+    throw new Error("invalid contract name");
+  }
+
+  return calcSha256(new TextEncoder().encode(contractName)).slice(CLIENT_ADDRESS_SHA256_OFFSET);
+}

src/index.ts

@@ -10,7 +10,7 @@ export { createAccount, addressToBytes, bytesToAddress, Account } from "./orbs/A
 export { ExecutionResult } from "./codec/ExecutionResult";
 export { RequestStatus } from "./codec/RequestStatus";
 export { Client, PROCESSOR_TYPE_NATIVE, PROCESSOR_TYPE_JAVASCRIPT } from "./orbs/Client";
-export { calcClientAddressOfEd25519PublicKey } from "./crypto/Digest";
+export { calcClientAddressOfEd25519PublicKey, contractNameToAddressAsBytes } from "./crypto/Digest";
 export { encodeHex, decodeHex } from "./crypto/Encoding";
 export { argUint32, argUint64, argString, argBytes, argAddress } from "./codec/Arguments";
 export { NetworkType } from "./codec/NetworkType";