57 lines
2.1 KiB
Solidity
57 lines
2.1 KiB
Solidity
|
// SPDX-License-Identifier: UNLICENSED
|
||
|
|
pragma solidity =0.7.6;
|
||
|
|
|
||
|
|
import '../libraries/TickMath.sol';
|
||
|
|
|
||
|
|
import '../interfaces/callback/IUniswapV3SwapCallback.sol';
|
||
|
|
|
||
|
|
import '../interfaces/IUniswapV3Pool.sol';
|
||
|
|
|
||
|
|
contract TestUniswapV3ReentrantCallee is IUniswapV3SwapCallback {
|
||
|
|
string private constant expectedReason = 'LOK';
|
||
|
|
|
||
|
|
function swapToReenter(address pool) external {
|
||
|
|
IUniswapV3Pool(pool).swap(address(0), false, 1, TickMath.MAX_SQRT_RATIO - 1, new bytes(0));
|
||
|
|
}
|
||
|
|
|
||
|
|
function uniswapV3SwapCallback(
|
||
|
|
int256,
|
||
|
|
int256,
|
||
|
|
bytes calldata
|
||
|
|
) external override {
|
||
|
|
// try to reenter swap
|
||
|
|
try IUniswapV3Pool(msg.sender).swap(address(0), false, 1, 0, new bytes(0)) {} catch Error(
|
||
|
|
string memory reason
|
||
|
|
) {
|
||
|
|
require(keccak256(abi.encode(reason)) == keccak256(abi.encode(expectedReason)));
|
||
|
|
}
|
||
|
|
|
||
|
|
// try to reenter mint
|
||
|
|
try IUniswapV3Pool(msg.sender).mint(address(0), 0, 0, 0, new bytes(0)) {} catch Error(string memory reason) {
|
||
|
|
require(keccak256(abi.encode(reason)) == keccak256(abi.encode(expectedReason)));
|
||
|
|
}
|
||
|
|
|
||
|
|
// try to reenter collect
|
||
|
|
try IUniswapV3Pool(msg.sender).collect(address(0), 0, 0, 0, 0) {} catch Error(string memory reason) {
|
||
|
|
require(keccak256(abi.encode(reason)) == keccak256(abi.encode(expectedReason)));
|
||
|
|
}
|
||
|
|
|
||
|
|
// try to reenter burn
|
||
|
|
try IUniswapV3Pool(msg.sender).burn(0, 0, 0) {} catch Error(string memory reason) {
|
||
|
|
require(keccak256(abi.encode(reason)) == keccak256(abi.encode(expectedReason)));
|
||
|
|
}
|
||
|
|
|
||
|
|
// try to reenter flash
|
||
|
|
try IUniswapV3Pool(msg.sender).flash(address(0), 0, 0, new bytes(0)) {} catch Error(string memory reason) {
|
||
|
|
require(keccak256(abi.encode(reason)) == keccak256(abi.encode(expectedReason)));
|
||
|
|
}
|
||
|
|
|
||
|
|
// try to reenter collectProtocol
|
||
|
|
try IUniswapV3Pool(msg.sender).collectProtocol(address(0), 0, 0) {} catch Error(string memory reason) {
|
||
|
|
require(keccak256(abi.encode(reason)) == keccak256(abi.encode(expectedReason)));
|
||
|
|
}
|
||
|
|
|
||
|
|
require(false, 'Unable to reenter');
|
||
|
|
}
|
||
|
|
}
|