Migrate tools.js file to Hardhat and Typescript to remove web3 references.

Author: zguesmi

test/utils/IexecWrapper.ts

@@ -25,7 +25,7 @@ import {
     WorkerpoolRegistry__factory,
     Workerpool__factory,
 } from '../../typechain';
-import { IexecPoco1__factory } from '../../typechain/factories/contracts/modules/interfaces/IexecPoco1.v8.sol';
+import { IexecPoco1__factory } from '../../typechain/factories/contracts/modules/interfaces/IexecPoco1.v8.sol/IexecPoco1__factory';
 import {
     IexecOrders,
     OrderOperation,

utils/tools.d.ts

@@ -0,0 +1,35 @@
+// SPDX-FileCopyrightText: 2020-2025 IEXEC BLOCKCHAIN TECH <[email protected]>
+// SPDX-License-Identifier: Apache-2.0
+
+import { assert } from 'chai';
+import type { BigNumber } from 'ethers';
+import { ethers } from 'hardhat';
+
+import { ContractReceipt, Event } from '@ethersproject/contracts';
+
+export function extractEventsFromReceipt(
+    txReceipt: ContractReceipt,
+    address: string,
+    name: string,
+): Event[] {
+    const receiptEvents = txReceipt?.events || [];
+    const events = receiptEvents.filter((event) => {
+        return event.address == address && event.event == name;
+    });
+    assert.isNotEmpty(events, `Fail to extract '${name}' event`);
+    return events;
+}
+
+export function compactSignature(signature: string): string {
+    const split = ethers.utils.splitSignature(signature);
+    let vs = ethers.utils.arrayify(split.s);
+    if (split.v == 1 || split.v == 28) {
+        vs[0] |= 0x80;
+    }
+    return ethers.utils.hexlify(ethers.utils.concat([split.r, vs]));
+}
+
+export function BN2Address(bignumber: BigNumber) {
+    const lowercaseAddress = ethers.utils.hexZeroPad(bignumber.toHexString(), 20);
+    return ethers.utils.getAddress(lowercaseAddress);
+}