Git-Mirrors/blockchains-security-toolkit
1
0
Fork 0
mirror of https://github.com/autistic-symposium/blockchains-security-toolkit.git synced 2025-05-14 12:42:14 -04:00
Code Issues Projects Releases Packages Wiki Activity

🥓 add function to set USDC balance by jambro

Browse source
This commit is contained in:
bt3gl 2022-10-04 08:31:09 -07:00 • committed by GitHub
parent a500941b61
commit 1afacf08e0
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 28 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

28
hardhat/set_usdc_balance.js Normal file
View file

@ -0,0 +1,28 @@
// function to set USDC balance of ethereum mainnet forks by @janbro
const { ethers } = require("hardhat");
async function setUSDCBalance(account, balance) {
const balances_index = 9;
const USDC_ADDRESS = "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"; // ETH mainnet USDC address
// modify usdc's storage to give rich account large amount of tokens
const index = ethers.utils.solidityKeccak256(
["uint256", "uint256"],
[account, balances_index] // key, slot
);
await await ethers.provider.send(
"hardhat_setStorageAt",
[
USDC_ADDRESS,
index,
ethers.utils.hexlify(ethers.utils.zeroPad(balance.toHexString(), 32)).toString()
]
);
}
module.exports = {
setUSDCBalance,
};