deploy_account.js

import fs from "fs";

import {
  defaultProvider,
  ec,
  json,
  SequencerProvider,
  Account,
} from "starknet";

// SETUP

const provider = process.env.STARKNET_PROVIDER_BASE_URL === undefined ?
  defaultProvider :
  new SequencerProvider({ baseUrl: process.env.STARKNET_PROVIDER_BASE_URL });

console.log("Reading OpenZeppelin Account Contract...");

const compiledOZAccount = json.parse(
  fs.readFileSync("./Account.json").toString("ascii")
);

// class hash of ./Account.json. 
// Starknet.js currently doesn't have the functionality to calculate the class hash
const OZContractClassHash = '0x058d97f7d76e78f44905cc30cb65b91ea49a4b908a76703c54197bca90f81773';

///////////////////////////////////////////////////////////////////
// Since there are no Externally Owned Accounts (EOA) in StarkNet,
// all Accounts in StarkNet are contracts.

// Unlike in Ethereum where a account is created with a public and private key pair,
// StarkNet Accounts are the only way to sign transactions and messages, and verify signatures.
// Therefore a Account - Contract interface is needed.
///////////////////////////////////////////////////////////////////


///// STEP 3 - optional /////
// Declare account contract IF IT HAS NOT ALREADY BEEN DECLARED BEFORE

// NOTE: This step will fail if you haven't sent funds to the predeployed address in STEP 1

// We need to use an already deployed account in order to declare ours.
// StarkNet will always have at least 1 already declared/deployed account for this purpose.
// In our case we will use the devnet's predeployed OZ account, after you start the devnet with: `starknet-devnet --seed 0`

const devnetPrivateKey = '0xe3e70682c2094cac629f6fbed82c07cd';
const devnetAccount0Address = '0x7e00d496e324876bbc8531f2d9a82bf154d1a04a50218ee74cdd372f75a551a';
const devnetKeyPair = ec.getKeyPair(devnetPrivateKey);

const predeployedAccount = new Account(provider, devnetAccount0Address, devnetKeyPair);

const declareTx = await predeployedAccount.declare({
  classHash: OZContractClassHash,
  contract: compiledOZAccount
});

await provider.waitForTransaction(declareTx.transaction_hash);

console.log("account declared");
console.log(declareTx);


///// STEP 4 /////
// Deploy account contract
// NOTE: This step will fail if you haven't sent funds to the predeployed address in STEP 1

const precalculatedAddress = '0x21da1673e364bd2719563b2e211bcda6b57624291ab26e6e61a2d6dc2de3992'; // get from step 1
const privateKey = '0x0325f5dbc170b650b91adb2fe151445584746d9a294c72e7429e01814d7a5961'; // get from step 1
const starkKeyPair = ec.getKeyPair(privateKey);
const starkKeyPub = ec.getStarkKey(starkKeyPair);

const account = new Account(provider, precalculatedAddress, starkKeyPair);

const accountResponse = await account.deployAccount({
  classHash: OZContractClassHash,
  constructorCalldata: [starkKeyPub],
  contractAddress: precalculatedAddress,
  addressSalt: starkKeyPub
});

await provider.waitForTransaction(accountResponse.transaction_hash);
console.log(accountResponse);