test(cbdc-example): removed dependency on chai and update tests

examples/cactus-example-cbdc-bridging-backend/package.json

@@ -72,35 +72,33 @@
     "async-exit-hook": "2.0.1",
     "axios": "1.6.0",
     "crypto-js": "4.2.0",
-    "dotenv": "^16.0.1",
+    "dotenv": "16.0.1",
     "fabric-network": "2.2.20",
     "fs-extra": "10.1.0",
     "knex": "2.5.1",
     "kubo-rpc-client": "3.0.1",
-    "nyc": "^13.1.0",
+    "nyc": "13.1.0",
     "openapi-types": "9.1.0",
-    "sqlite3": "^5.0.8",
+    "sqlite3": "5.0.8",
     "typescript-optional": "2.0.1",
     "uuid": "8.3.2",
     "web3-core": "1.5.2",
     "web3-utils": "1.5.2"
   },
   "devDependencies": {
-    "@types/chai": "^4.3.1",
     "@types/crypto-js": "4.1.1",
-    "@types/cucumber": "^4.0.4",
+    "@types/cucumber": "4.0.4",
     "@types/express": "4.17.19",
     "@types/express-jwt": "6.0.2",
     "@types/fs-extra": "9.0.13",
-    "@types/node": "^10.17.60",
+    "@types/node": "10.17.60",
     "@types/uuid": "8.3.4",
-    "chai": "^4.1.2",
-    "cucumber": "^5.0.3",
+    "cucumber": "5.0.3",
     "hardhat": "2.17.2",
     "http-status-codes": "2.1.4",
     "jose": "4.9.2",
-    "remix-tests": "^0.1.34",
-    "ts-node": "^7.0.1"
+    "remix-tests": "0.1.34",
+    "ts-node": "7.0.1"
   },
   "engines": {
     "node": ">=18",

examples/cactus-example-cbdc-bridging-backend/src/main/typescript/satp-extension/client-helper.ts

@@ -119,7 +119,7 @@ export class ClientHelper extends ClientGatewayHelper {
         .isValidBridgeBackCBDC(
           sessionData.sourceLedgerAssetID,
           sessionData.assetProfile.keyInformationLink[0].toString(), // Amount
-          sessionData.assetProfile.keyInformationLink[2].toString(), // Amount
+          sessionData.assetProfile.keyInformationLink[2].toString(), // ethAddress
         )
         .catch((err) => {
           throw new Error(`${err}`);

examples/cactus-example-cbdc-bridging-backend/src/test/typescript/cucumber/features/bridge-back.feature

@@ -50,38 +50,18 @@ Feature: Client successfully bridges back CBDC
     Given "bob" locks and deletes an asset reference with id "c5dfbd04-a71b-4848-92d1-78cd1fafaaf1" in the source chain
     Given "alice" with 500 CBDC available in the sidechain smart contract
     When "alice" escrows 500 CBDC and creates an asset reference with id "d25fbcbb-0895-4905-b8d5-502d5e83b122" in the sidechain
-    Then "alice" fails to initiate bridge back of 10000 CBDC referenced by id "d25fbcbb-0895-4905-b8d5-502d5e83b122" to "alice" address in the source chain
-
-  @bridgeBack
-  @fabric
-  @besu
-  Scenario: Client fails to initiate bridge back of CBDC to another user address in the source chain but transfer
-    Given "alice" with 500 CBDC available in the source chain
-    Given "alice" escrows 500 CBDC and creates an asset reference with id "c5dfbd04-a71b-4848-92d1-78cd1fafaaf1" in the source chain
-    Given "bob" locks and deletes an asset reference with id "c5dfbd04-a71b-4848-92d1-78cd1fafaaf1" in the source chain
-    Given "alice" with 500 CBDC available in the sidechain smart contract
-    When "alice" escrows 500 CBDC and creates an asset reference with id "d25fbcbb-0895-4905-b8d5-502d5e83b122" in the sidechain
-    Then "alice" fails to initiate bridge back of 500 CBDC referenced by id "d25fbcbb-0895-4905-b8d5-502d5e83b122" to "charlie" address in the source chain
-    Then "alice" has 0 CBDC available in the source chain
-    Then "alice" has 0 CBDC available in the sidechain
-    Then "bob" has 500 CBDC available in the source chain
-    Then "bob" has 500 CBDC available in the sidechain
-    Then "charlie" has 0 CBDC available in the source chain
-    Then "charlie" has 0 CBDC available in the sidechain
+    Then "alice" fails to initiate bridge back of 10000 CBDC referenced by id "d25fbcbb-0895-4905-b8d5-502d5e83b122"
 
   @bridgeBack
   @fabric
   @besu
   Scenario: Impersonator fails to initiate bridge back of CBDC escrowed by another user address but transfer
-    Given "alice" with 500 CBDC available in the source chain
-    Given "alice" escrows 500 CBDC and creates an asset reference with id "c5dfbd04-a71b-4848-92d1-78cd1fafaaf1" in the source chain
-    Given "bob" locks and deletes an asset reference with id "c5dfbd04-a71b-4848-92d1-78cd1fafaaf1" in the source chain
     Given "alice" with 500 CBDC available in the sidechain smart contract
     When "alice" escrows 500 CBDC and creates an asset reference with id "d25fbcbb-0895-4905-b8d5-502d5e83b122" in the sidechain
-    Then "charlie" fails to initiate bridge back of 500 CBDC referenced by id "d25fbcbb-0895-4905-b8d5-502d5e83b122" to "alice" address in the source chain
+    Then "charlie" fails to initiate bridge back of 500 CBDC referenced by id "d25fbcbb-0895-4905-b8d5-502d5e83b122"
     Then "alice" has 0 CBDC available in the source chain
     Then "alice" has 0 CBDC available in the sidechain
-    Then "bob" has 500 CBDC available in the source chain
+    Then "bob" has 0 CBDC available in the source chain
     Then "bob" has 500 CBDC available in the sidechain
     Then "charlie" has 0 CBDC available in the source chain
     Then "charlie" has 0 CBDC available in the sidechain

examples/cactus-example-cbdc-bridging-backend/src/test/typescript/cucumber/steps/besu-gateway.steps.ts

@@ -1,5 +1,4 @@
 import { Given, When, Then, Before, After } from "cucumber";
-import { expect } from "chai";
 import axios from "axios";
 import CryptoMaterial from "../../../../crypto-material/crypto-material.json";
 import {
@@ -10,7 +9,7 @@ import {
 } from "../besu-helper";
 import AssetReferenceContractJson from "../../../../solidity/asset-reference-contract/AssetReferenceContract.json";
 import CBDCcontractJson from "../../../../solidity/cbdc-erc-20/CBDCcontract.json";
-import { getEthAddress, getPrvKey } from "./common";
+import { getEthAddress, getPrvKey, assertEqual, assertStringContains } from "./common";
 
 const BESU_CONTRACT_CBDC_ERC20_NAME = CBDCcontractJson.contractName;
 const BESU_CONTRACT_ASSET_REF_NAME = AssetReferenceContractJson.contractName;
@@ -25,6 +24,7 @@ After({ timeout: 20 * 1000, tags: "@besu" }, async function () {
 
 Given(
   "{string} with {int} CBDC available in the sidechain smart contract",
+  { timeout: 10 * 1000 },
   async function (user: string, amount: number) {
     await axios.post(
       "http://127.0.0.1:4100/api/v1/plugins/@hyperledger/cactus-plugin-ledger-connector-besu/invoke-contract",
@@ -47,6 +47,7 @@ Given(
 
 When(
   "{string} escrows {int} CBDC and creates an asset reference with id {string} in the sidechain",
+  { timeout: 10 * 1000 },
   async function (user: string, amount: number, assetRefID: string) {
     await axios.post(
       "http://127.0.0.1:4100/api/v1/plugins/@hyperledger/cactus-plugin-ledger-connector-besu/invoke-contract",
@@ -69,6 +70,7 @@ When(
 
 When(
   "bob locks the asset reference with id {string} in the sidechain",
+  { timeout: 10 * 1000 },
   async function (assetRefID: string) {
     await lockBesuAssetReference(
       getEthAddress("bob"),
@@ -80,6 +82,7 @@ When(
 
 When(
   "bob deletes the asset reference with id {string} in the sidechain",
+  { timeout: 10 * 1000 },
   async function (assetRefID: string) {
     await axios.post(
       "http://127.0.0.1:4100/api/v1/plugins/@hyperledger/cactus-plugin-ledger-connector-besu/invoke-contract",
@@ -103,21 +106,21 @@ When(
 Then(
   "the asset reference smart contract has an asset reference with id {string}",
   async function (assetRefID: string) {
-    expect(await isBesuAssetReference(assetRefID)).to.be.true;
+    assertEqual(await isBesuAssetReference(assetRefID), true);
   },
 );
 
 Then(
   "the asset reference smart contract has no asset reference with id {string}",
   async function (assetRefID: string) {
-    expect(await isBesuAssetReference(assetRefID)).to.be.false;
+    assertEqual(await isBesuAssetReference(assetRefID), false);
   },
 );
 
 Then(
   "{string} has {int} CBDC available in the sidechain",
   async function (user: string, amount: number) {
-    expect(await getBesuBalance(getEthAddress(user))).to.equal(amount);
+    assertEqual(await getBesuBalance(getEthAddress(user)), amount);
   },
 );
 
@@ -141,7 +144,7 @@ Then(
       },
     );
 
-    expect(response.data.callOutput).to.equal(true);
+    assertEqual(response.data.callOutput, true);
   },
 );
 
@@ -153,7 +156,7 @@ Then(
       getPrvKey(user),
       assetRefID,
     ).catch((err) => {
-      expect(err.response.data.error).to.contain(
+      assertStringContains(err.response.data.error,
         `Transaction has been reverted by the EVM`,
       );
     });

examples/cactus-example-cbdc-bridging-backend/src/test/typescript/cucumber/steps/bridge-back.steps.ts

@@ -1,8 +1,7 @@
 import { Then } from "cucumber";
-import { expect } from "chai";
 import axios from "axios";
 import CryptoMaterial from "../../../../crypto-material/crypto-material.json";
-import { getFabricId, getEthAddress } from "./common";
+import { getFabricId, getEthAddress, assertEqual } from "./common";
 
 const MAX_RETRIES = 5;
 const MAX_TIMEOUT = 5000;
@@ -64,21 +63,20 @@ Then(
       },
     );
 
-    expect(response.status).to.equal(200);
+    assertEqual(response.status, 200);
   },
 );
 
 Then(
-  "{string} fails to initiate bridge back of {int} CBDC referenced by id {string} to {string} address in the source chain",
+  "{string} fails to initiate bridge back of {int} CBDC referenced by id {string}",
   { timeout: 60 * 1000 },
   async function (
     user: string,
     amount: number,
     assetRefID: string,
-    finalUser: string,
   ) {
     const address = getEthAddress(user);
-    const fabricID = getFabricId(finalUser);
+    const fabricID = getFabricId(user);
 
     const assetProfile = {
       expirationDate: new Date(2060, 11, 24).toString(),
@@ -126,7 +124,7 @@ Then(
         },
       )
       .catch((err) => {
-        expect(err.response.status).to.equal(500);
+        assertEqual(err.response.status, 500);
       });
   },
 );

examples/cactus-example-cbdc-bridging-backend/src/test/typescript/cucumber/steps/bridge-out.steps.ts

@@ -1,8 +1,7 @@
 import { When, Then } from "cucumber";
-import { expect } from "chai";
 import axios from "axios";
 import CryptoMaterial from "../../../../crypto-material/crypto-material.json";
-import { getUserFromPseudonim, getFabricId, getEthAddress } from "./common";
+import { getUserFromPseudonim, getFabricId, getEthAddress, assertEqual, assertStringContains } from "./common";
 
 const MAX_RETRIES = 5;
 const MAX_TIMEOUT = 5000;
@@ -28,7 +27,7 @@ Then(
       },
     );
 
-    expect(parseInt(response.data.functionOutput)).to.equal(amount);
+    assertEqual(parseInt(response.data.functionOutput), amount);
   },
 );
 
@@ -88,8 +87,8 @@ When(
         recipientLedgerAssetID: "FABRIC_ASSET_ID",
       },
     );
-
-    expect(response.status).to.equal(200);
+    
+    assertEqual(response.status, 200);
   },
 );
 
@@ -152,7 +151,7 @@ Then(
         },
       )
       .catch((err) => {
-        expect(err.response.data.error).to.contain(failureReason);
+        assertStringContains(err.response.data.error, failureReason);
       });
   },
 );

examples/cactus-example-cbdc-bridging-backend/src/test/typescript/cucumber/steps/common.ts

@@ -1,4 +1,3 @@
-import { assert } from "chai";
 import CryptoMaterial from "../../../../crypto-material/crypto-material.json";
 
 export function getUserFromPseudonim(user: string): string {
@@ -10,7 +9,7 @@ export function getUserFromPseudonim(user: string): string {
     case "bob":
       return "bridge";
     default:
-      assert.fail(0, 1, "Invalid user provided");
+      throw Error("Invalid user provided");
   }
 }
 
@@ -23,7 +22,7 @@ export function getFabricId(user: string): string {
     case "bridge":
       return CryptoMaterial.accounts["bridge"].fabricID;
     default:
-      assert.fail(0, 1, "Invalid user provided");
+      throw Error("Invalid user provided");
   }
 }
 
@@ -36,7 +35,7 @@ export function getEthAddress(user: string): string {
     case "bridge":
       return CryptoMaterial.accounts["bridge"].ethAddress;
     default:
-      assert.fail(0, 1, "Invalid user provided");
+      throw Error("Invalid user provided");
   }
 }
 
@@ -49,6 +48,32 @@ export function getPrvKey(user: string): string {
     case "bridge":
       return CryptoMaterial.accounts["bridge"].privateKey;
     default:
-      assert.fail(0, 1, "Invalid user provided");
+      throw Error("Invalid user provided");
   }
 }
+
+export function assertEqual(
+  value_1: unknown,
+  value_2: unknown,
+) {
+  if (value_1 !== value_2) {
+    throw Error(`Expected ${value_1} to be equal to ${value_2}`);
+  }
+}
+
+export function assertStringContains(
+  mainString: string,
+  subString: string,
+): void {
+  if (!mainString.includes(subString)) {
+      throw new Error(`String "${mainString}" does not contain "${subString}"`);
+  }
+}
+
+export function assertNonNullish<TValue>(
+  value: TValue,
+): asserts value is NonNullable<TValue> {
+  if (value === null || value === undefined) {
+    throw Error(`${value} was expected to be non-null`);
+  }
+}