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utils.ts
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utils.ts
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import { Contract, Signer } from "ethers";
import { LogDescription } from "ethers/lib/utils";
import { ethers } from "hardhat";
export const ETHERNAUT_ADDRESS = `0xD991431D8b033ddCb84dAD257f4821E9d5b38C33`;
// manually copied from the website while inspect the web console's `ethernaut.abi`
const ETHERNAUT_ABI = [
{
anonymous: false,
inputs: [
{
indexed: true,
internalType: "address",
name: "player",
type: "address",
},
{
indexed: false,
internalType: "contract Level",
name: "level",
type: "address",
},
],
name: "LevelCompletedLog",
type: "event",
signature:
"0x9dfdf7e3e630f506a3dfe38cdbe34e196353364235df33e5a3b588488d9a1e78",
},
{
anonymous: false,
inputs: [
{
indexed: true,
internalType: "address",
name: "player",
type: "address",
},
{
indexed: false,
internalType: "address",
name: "instance",
type: "address",
},
],
name: "LevelInstanceCreatedLog",
type: "event",
signature:
"0x7bf7f1ed7f75e83b76de0ff139966989aff81cb85aac26469c18978d86aac1c2",
},
{
anonymous: false,
inputs: [
{
indexed: true,
internalType: "address",
name: "previousOwner",
type: "address",
},
{
indexed: true,
internalType: "address",
name: "newOwner",
type: "address",
},
],
name: "OwnershipTransferred",
type: "event",
signature:
"0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0",
},
{
inputs: [
{
internalType: "contract Level",
name: "_level",
type: "address",
},
],
name: "createLevelInstance",
outputs: [],
stateMutability: "payable",
type: "function",
payable: true,
signature: "0xdfc86b17",
},
{
inputs: [],
name: "owner",
outputs: [
{
internalType: "address",
name: "",
type: "address",
},
],
stateMutability: "view",
type: "function",
constant: true,
signature: "0x8da5cb5b",
},
{
inputs: [
{
internalType: "contract Level",
name: "_level",
type: "address",
},
],
name: "registerLevel",
outputs: [],
stateMutability: "nonpayable",
type: "function",
signature: "0x202023d4",
},
{
inputs: [],
name: "renounceOwnership",
outputs: [],
stateMutability: "nonpayable",
type: "function",
signature: "0x715018a6",
},
{
inputs: [
{
internalType: "address payable",
name: "_instance",
type: "address",
},
],
name: "submitLevelInstance",
outputs: [],
stateMutability: "nonpayable",
type: "function",
signature: "0xc882d7c2",
},
{
inputs: [
{
internalType: "address",
name: "newOwner",
type: "address",
},
],
name: "transferOwnership",
outputs: [],
stateMutability: "nonpayable",
type: "function",
signature: "0xf2fde38b",
},
];
export const submitLevel = async (address: string) => {
try {
const ethernaut = await ethers.getContractAt(
ETHERNAUT_ABI,
ETHERNAUT_ADDRESS
);
let tx = await ethernaut.submitLevelInstance(address);
await tx.wait();
const txReceipt = await ethernaut.provider!.getTransactionReceipt(tx.hash);
if (txReceipt.logs.length === 0) return false;
const event = ethernaut.interface.parseLog(txReceipt.logs[0]);
return event.name === `LevelCompletedLog`;
} catch (error) {
console.error(`submitLevel: ${error.message}`);
return false;
}
};
export const createChallenge = async (
contractLevel: string,
value: any = `0`
) => {
try {
const ethernaut = await ethers.getContractAt(
ETHERNAUT_ABI,
ETHERNAUT_ADDRESS
);
let tx = await ethernaut.createLevelInstance(contractLevel, {
value,
});
await tx.wait();
const txReceipt = await ethernaut.provider!.getTransactionReceipt(tx.hash);
if (txReceipt.logs.length === 0) throw new Error(`No event found`);
const events: LogDescription[] = txReceipt.logs
.map((log) => {
try {
return ethernaut.interface.parseLog(log);
} catch {
return undefined;
}
})
.filter(Boolean) as LogDescription[];
const event = events.find(
(event) => event.name === `LevelInstanceCreatedLog` && event.args.instance
);
if (!event) throw new Error(`Invalid Event ${JSON.stringify(event)}`);
return event.args.instance;
} catch (error) {
console.error(`createChallenge: ${error.message}`);
throw new Error(`createChallenge failed: ${error.message}`);
}
};