76aa419320
- CCIP/trustless bridge contracts, GRU tokens, DEX/PMM tests, reserve vault. - Token-aggregation service routes, planner, chain config, relay env templates. - Config snapshots and multi-chain deployment markdown updates. - gitignore services/btc-intake/dist/ (tsc output); do not track dist. Run forge build && forge test before deploy (large solc graph). Made-with: Cursor
70 lines
2.8 KiB
Solidity
70 lines
2.8 KiB
Solidity
// SPDX-License-Identifier: MIT
|
|
pragma solidity ^0.8.20;
|
|
|
|
import {Script, console} from "forge-std/Script.sol";
|
|
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
|
|
import {IERC3156FlashBorrower} from "@openzeppelin/contracts/interfaces/IERC3156FlashBorrower.sol";
|
|
import {SimpleERC3156FlashVault} from "../../contracts/flash/SimpleERC3156FlashVault.sol";
|
|
import {MinimalERC3156FlashBorrower} from "../../contracts/flash/MinimalERC3156FlashBorrower.sol";
|
|
|
|
/**
|
|
* @title TestScaledFlash
|
|
* @notice Sequential flashes: 1, 10, 100, 1000 USDT (6 decimals) against FLASH_VAULT. One borrower, fee prefunded per step.
|
|
*
|
|
* Env: PRIVATE_KEY, FLASH_VAULT; optional FLASH_VAULT_TOKEN (default official USDT 138).
|
|
*
|
|
* If vault.borrowerAllowlistEnabled(), deployer must be vault owner so the script can setBorrowerApproved.
|
|
*
|
|
* Usage:
|
|
* forge script script/flash/TestScaledFlash.s.sol:TestScaledFlash --rpc-url $RPC_URL_138 --broadcast -vvvv
|
|
*/
|
|
contract TestScaledFlash is Script {
|
|
address internal constant DEFAULT_USDT_138 = 0x004b63A7B5b0E06f6bB6adb4a5F9f590BF3182D1;
|
|
|
|
function run() external {
|
|
uint256 pk = vm.envUint("PRIVATE_KEY");
|
|
address deployer = vm.addr(pk);
|
|
address vaultAddr = vm.envAddress("FLASH_VAULT");
|
|
address token = vm.envOr("FLASH_VAULT_TOKEN", DEFAULT_USDT_138);
|
|
|
|
SimpleERC3156FlashVault vault = SimpleERC3156FlashVault(vaultAddr);
|
|
require(!vault.borrowerAllowlistEnabled() || vault.owner() == deployer, "allowlist on: deployer must be vault owner");
|
|
|
|
uint256[4] memory amounts = [
|
|
uint256(1_000_000),
|
|
uint256(10_000_000),
|
|
uint256(100_000_000),
|
|
uint256(1_000_000_000)
|
|
];
|
|
|
|
vm.startBroadcast(pk);
|
|
|
|
MinimalERC3156FlashBorrower borrower = new MinimalERC3156FlashBorrower(vaultAddr);
|
|
console.log("Borrower:", address(borrower));
|
|
|
|
if (vault.borrowerAllowlistEnabled()) {
|
|
vault.setBorrowerApproved(address(borrower), true);
|
|
}
|
|
|
|
for (uint256 i = 0; i < amounts.length; i++) {
|
|
uint256 amount = amounts[i];
|
|
uint256 fee = vault.previewFlashFee(token, amount);
|
|
uint256 vb = IERC20(token).balanceOf(vaultAddr);
|
|
require(vb >= amount, "vault liquidity < amount");
|
|
|
|
console.log("--- step", i + 1);
|
|
console.log("amount (raw):", amount);
|
|
console.log("fee (raw):", fee);
|
|
console.log("vault before (raw):", vb);
|
|
|
|
IERC20(token).transfer(address(borrower), fee);
|
|
vault.flashLoan(IERC3156FlashBorrower(address(borrower)), token, amount, "");
|
|
|
|
console.log("vault after (raw):", IERC20(token).balanceOf(vaultAddr));
|
|
}
|
|
|
|
vm.stopBroadcast();
|
|
console.log("Scaled ladder complete.");
|
|
}
|
|
}
|