Support the ethers.js. Update README. Fix eslint issues

integration/.env

@@ -2,7 +2,6 @@ TEZOS_RPC_URL=
 ETHERLINK_RPC_URL=
 DIPDUP_BASE_URL=
 TZKT_API_BASE_URL=
-TEZOS_ROLLUP_BASE_URL=
 TEZOS_ACCOUNT_PRIVATE_KEY=
 ETHERLINK_ACCOUNT_PRIVATE_KEY=
 TEZOS_ROLLUP_ADDRESS=

integration/testConfig.ts

@@ -18,7 +18,6 @@ export interface TestConfig {
   readonly etherlinkRpcUrl: string;
   readonly dipDupBaseUrl: string;
   readonly tzKTApiBaseUrl: string;
-  readonly tezosRollupBaseUrl: string;
   readonly tezosRollupAddress: string;
   readonly etherlinkKernelAddress: string;
   readonly etherlinkWithdrawPrecompileAddress: string;
@@ -32,7 +31,6 @@ const envInfos = [
   ['ETHERLINK_RPC_URL', 'the RPC URL for Etherlink'],
   ['DIPDUP_BASE_URL', 'the base URL of the DipDup Bridge Data Provider'],
   ['TZKT_API_BASE_URL', 'the base URL of the TzKT API'],
-  ['TEZOS_ROLLUP_BASE_URL', 'the base URL of the Tezos Rollup Node'],
   ['TEZOS_ACCOUNT_PRIVATE_KEY', 'the private key of the test Tezos account'],
   ['ETHERLINK_ACCOUNT_PRIVATE_KEY', 'the private key of the test Etherlink account'],
   ['TEZOS_ROLLUP_ADDRESS', 'the address of the Bridge Rollup in Tezos'],
@@ -64,11 +62,11 @@ const createTestTokens = (): TestTokens => {
       },
       tzbtc: {
         type: 'fa1.2',
-        address: 'KT1Vq1toL9mQquJhCvVRbbcC8PbZJWM4bPui'
+        address: 'KT1HmyazXfKDbo8XjwtWPXcoyHcmNPDCvZyb'
       },
       usdt: {
         type: 'fa2',
-        address: 'KT1K6uyg7cjNRoPkYw6SfyCm1f2tPLHfVUez',
+        address: 'KT1V2ak1MfNd3w4oyKD64ehYU7K4CrpUcDGR',
         tokenId: '0'
       }
     },
@@ -78,11 +76,11 @@ const createTestTokens = (): TestTokens => {
       },
       tzbtc: {
         type: 'erc20',
-        address: '0x87dcBf128677ba36E79D47dAf4eb4e51610e0150'
+        address: '0x8e73aE3CF688Fbd8368c99520d26F9eF1B4d3BCa'
       },
       usdt: {
         type: 'erc20',
-        address: '0x8554cD57C0C3E5Ab9d1782c9063279fA9bFA4680'
+        address: '0xf68997eCC03751cb99B5B36712B213f11342452b'
       }
     }
   };
@@ -100,7 +98,6 @@ export const getTestConfig = (): TestConfig => {
     etherlinkRpcUrl: env.ETHERLINK_RPC_URL,
     dipDupBaseUrl: env.DIPDUP_BASE_URL,
     tzKTApiBaseUrl: env.TZKT_API_BASE_URL,
-    tezosRollupBaseUrl: env.TEZOS_ROLLUP_BASE_URL,
     tezosAccountPrivateKey: env.TEZOS_ACCOUNT_PRIVATE_KEY,
     etherlinkAccountPrivateKey: env.ETHERLINK_ACCOUNT_PRIVATE_KEY,
     tezosRollupAddress: env.TEZOS_ROLLUP_ADDRESS,

integration/testHelpers.ts

@@ -1,5 +1,7 @@
 import { InMemorySigner } from '@taquito/signer';
 import { TezosToolkit } from '@taquito/taquito';
+import { ethers as ethers } from 'ethers';
+import { ethers as ethersV5 } from 'ethers-v5';
 import Web3 from 'web3';
 
 import { TestConfig } from './testConfig';
@@ -8,6 +10,8 @@ import {
   TokenBridge,
   TaquitoContractTezosBridgeBlockchainService,
   Web3EtherlinkBridgeBlockchainService,
+  EthersV5EtherlinkBridgeBlockchainService,
+  EthersEtherlinkBridgeBlockchainService,
   DefaultDataProvider,
   BridgeTokenTransferKind, BridgeTokenTransferStatus, LogLevel,
   type TezosToken, type EtherlinkToken,
@@ -23,10 +27,15 @@ const withdrawalIdRegex = /^0x[0-9a-f]{64}_\d+$/;
 const tezosOperationRegex = /^o[0-9a-zA-Z]{50}$/;
 const etherlinkOperationRegex = /^0x[0-9a-f]{64}$/;
 
+export type EtherlinkToolkit =
+  | { type: 'web3', web3: Web3 }
+  | { type: 'ethers-v6', ethers: typeof ethers, signer: ethers.Signer }
+  | { type: 'ethers-v5', ethers: typeof ethersV5, signer: ethersV5.Signer };
+
 interface CreateTestTokenBridgeParams {
   testConfig: TestConfig,
   tezosToolkit?: TezosToolkit,
-  etherlinkToolkit?: Web3,
+  etherlinkToolkit?: EtherlinkToolkit,
   overriddenDefaultDataProviderOptions?: Partial<DefaultDataProviderOptions>
 }
 
@@ -47,7 +56,7 @@ export const createTestTokenBridge = ({ testConfig, tezosToolkit, etherlinkToolk
       {
         tezos: {
           ...testConfig.tokens.tezos.tez,
-          ticketHelperContractAddress: 'KT1MJxf4KVN3sosR99VRG7WBbWTJtAyWUJt9'
+          ticketHelperContractAddress: 'KT1VEjeQfDBSfpDH5WeBM5LukHPGM2htYEh3'
         },
         etherlink: {
           ...testConfig.tokens.etherlink.tez,
@@ -56,8 +65,8 @@ export const createTestTokenBridge = ({ testConfig, tezosToolkit, etherlinkToolk
       {
         tezos: {
           ...testConfig.tokens.tezos.tzbtc,
-          ticketerContractAddress: 'KT1AAi4DCQiTUv5MYoXtdiFwUrPH3t3Yhkjo',
-          ticketHelperContractAddress: 'KT1FcXb4oFBWtUVbEa96Do4DfQZXn6878yu1'
+          ticketerContractAddress: 'KT1H7if3gSZE1pZSK48W3NzGpKmbWyBxWDHe',
+          ticketHelperContractAddress: 'KT1KUAaaRMeMS5TJJyGTQJANcpSR4egvHBUk'
         },
         etherlink: {
           ...testConfig.tokens.etherlink.tzbtc
@@ -66,8 +75,8 @@ export const createTestTokenBridge = ({ testConfig, tezosToolkit, etherlinkToolk
       {
         tezos: {
           ...testConfig.tokens.tezos.usdt,
-          ticketerContractAddress: 'KT1JT3T9jodxKchWEcwMtHzKTcM5pKD4phFp',
-          ticketHelperContractAddress: 'KT1G4athp6hNRmy65MdM1stv3bXXh82NEvCH'
+          ticketerContractAddress: 'KT1S6Nf9MnafAgSUWLKcsySPNFLUxxqSkQCw',
+          ticketHelperContractAddress: 'KT1JLZe4qTa76y6Us2aDoRNUgZyssSDUr6F5'
         },
         etherlink: {
           ...testConfig.tokens.etherlink.usdt
@@ -82,9 +91,18 @@ export const createTestTokenBridge = ({ testConfig, tezosToolkit, etherlinkToolk
       tezosToolkit,
       smartRollupAddress: testConfig.tezosRollupAddress
     }),
-    etherlinkBridgeBlockchainService: new Web3EtherlinkBridgeBlockchainService({
-      web3: etherlinkToolkit
-    }),
+    etherlinkBridgeBlockchainService: etherlinkToolkit.type === 'web3'
+      ? new Web3EtherlinkBridgeBlockchainService({
+        web3: etherlinkToolkit.web3
+      })
+      : etherlinkToolkit.type === 'ethers-v6' ? new EthersEtherlinkBridgeBlockchainService({
+        ethers: etherlinkToolkit.ethers,
+        signer: etherlinkToolkit.signer
+      })
+        : new EthersV5EtherlinkBridgeBlockchainService({
+          ethers: etherlinkToolkit.ethers,
+          signer: etherlinkToolkit.signer
+        }),
     bridgeDataProviders: {
       transfers: defaultDataProvider,
       balances: defaultDataProvider,
@@ -103,16 +121,41 @@ export const createTezosToolkitWithSigner = (rpcUrl: string, privateKey: string)
   return toolkit;
 };
 
-export const createEtherlinkToolkitWithSigner = (rpcUrl: string, privateKey: string): Web3 => {
+const createWeb3EtherlinkToolkitWithSigner = (rpcUrl: string, privateKey: string) => {
+  const web3 = new Web3(rpcUrl);
+  const account = web3.eth.accounts.privateKeyToAccount(privateKey);
+  web3.eth.accounts.wallet.add(account);
+  web3.eth.defaultAccount = account.address;
+
+  return { type: 'web3', web3 } satisfies EtherlinkToolkit;
+};
+
+const createEthersEtherlinkToolkitWithSigner = (rpcUrl: string, privateKey: string) => {
+  const provider = new ethers.JsonRpcProvider(rpcUrl);
+  const wallet = new ethers.Wallet(privateKey, provider);
+
+  return { type: 'ethers-v6', ethers, signer: wallet } satisfies EtherlinkToolkit;
+};
+
+const createEthersV5EtherlinkToolkitWithSigner = (rpcUrl: string, privateKey: string) => {
+  const provider = new ethersV5.providers.JsonRpcProvider(rpcUrl);
+  const wallet = new ethersV5.Wallet(privateKey, provider);
+
+  return { type: 'ethers-v5', ethers: ethersV5, signer: wallet } satisfies EtherlinkToolkit;
+};
+
+export const createEtherlinkToolkitWithSigner = (rpcUrl: string, privateKey: string, type: EtherlinkToolkit['type'] = 'web3') => {
   if (!privateKey.startsWith('0x'))
     privateKey = '0x' + privateKey;
 
-  const toolkit = new Web3(rpcUrl);
-  const account = toolkit.eth.accounts.privateKeyToAccount(privateKey);
-  toolkit.eth.accounts.wallet.add(account);
-  toolkit.eth.defaultAccount = account.address;
-
-  return toolkit;
+  switch (type) {
+    case 'web3':
+      return createWeb3EtherlinkToolkitWithSigner(rpcUrl, privateKey);
+    case 'ethers-v6':
+      return createEthersEtherlinkToolkitWithSigner(rpcUrl, privateKey);
+    case 'ethers-v5':
+      return createEthersV5EtherlinkToolkitWithSigner(rpcUrl, privateKey);
+  }
 };
 
 export const expectPendingDeposit = (

integration/tests/balances.test.ts

@@ -1,17 +1,14 @@
 import { TezosToolkit } from '@taquito/taquito';
-import Web3 from 'web3';
 
 import type { AccountTokenBalance, AccountTokenBalances } from '../../src';
 import { getTestConfig, type TestConfig, type TestTokens } from '../testConfig';
-import {
-  createTezosToolkitWithSigner, createEtherlinkToolkitWithSigner, createTestTokenBridge
-} from '../testHelpers';
+import { createTezosToolkitWithSigner, createEtherlinkToolkitWithSigner, createTestTokenBridge, type EtherlinkToolkit } from '../testHelpers';
 
 describe('Balances', () => {
   let testConfig: TestConfig;
   let tokens: TestTokens;
   let tezosToolkit: TezosToolkit;
-  let etherlinkToolkit: Web3;
+  let etherlinkToolkit: EtherlinkToolkit;
   let tokenBridge: ReturnType<typeof createTestTokenBridge>;
   let testTezosAccountAddress: string;
   let testEtherlinkAccountAddress: string;

integration/tests/deposit.test.ts

@@ -1,10 +1,6 @@
 import { TezosToolkit } from '@taquito/taquito';
-import Web3 from 'web3';
 
-import {
-  BridgeTokenTransferStatus,
-  type NativeEtherlinkToken, type NativeTezosToken
-} from '../../src';
+import { BridgeTokenTransferStatus } from '../../src';
 import { bridgeUtils } from '../../src/utils';
 import { getTestConfig, type TestConfig, type TestTokens } from '../testConfig';
 import {
@@ -13,14 +9,15 @@ import {
   expectPendingDeposit,
   expectCreatedDeposit,
   expectFinishedDeposit,
-  createTestTokenBridge
+  createTestTokenBridge,
+  type EtherlinkToolkit
 } from '../testHelpers';
 
 describe('Deposit', () => {
   let testConfig: TestConfig;
   let tokens: TestTokens;
   let tezosToolkit: TezosToolkit;
-  let etherlinkToolkit: Web3;
+  let etherlinkToolkit: EtherlinkToolkit;
   let tokenBridge: ReturnType<typeof createTestTokenBridge>;
   let testTezosAccountAddress: string;
   let testEtherlinkAccountAddress: string;

integration/tests/withdrawal.test.ts

@@ -1,5 +1,4 @@
 import { TezosToolkit } from '@taquito/taquito';
-import Web3 from 'web3';
 
 import { BridgeTokenTransferStatus, type TokenBridge } from '../../src';
 import { getTestConfig, type TestConfig, type TestTokens } from '../testConfig';
@@ -10,7 +9,8 @@ import {
   expectCreatedWithdrawal,
   expectSealedWithdrawal,
   expectFinishedWithdrawal,
-  createTestTokenBridge
+  createTestTokenBridge,
+  type EtherlinkToolkit
 } from '../testHelpers';
 
 const withdrawalTimeout = process.env.WITHDRAWAL_TIMEOUT ? parseInt(process.env.WITHDRAWAL_TIMEOUT, 10) : 15 * 60 * 1000;
@@ -19,7 +19,7 @@ describe('Withdrawal', () => {
   let testConfig: TestConfig;
   let tokens: TestTokens;
   let tezosToolkit: TezosToolkit;
-  let etherlinkToolkit: Web3;
+  let etherlinkToolkit: EtherlinkToolkit;
   let tokenBridge: TokenBridge;
   let testTezosAccountAddress: string;
   let testEtherlinkAccountAddress: string;