chore: Create a UniswapV4Utils with encoding functions

--- don't change below this line ---
ENG-4223 Took 4 hours 33 minutes

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Took 28 minutes
This commit is contained in:
Diana Carvalho
2025-02-12 18:00:18 +00:00
parent 28bfe2e32a
commit 29eb50d0a1
2 changed files with 51 additions and 43 deletions

View File

@@ -1,9 +1,10 @@
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.26;
import "./UniswapV4Utils.sol";
import "@src/executors/UniswapV4Executor.sol";
import {Test} from "../../lib/forge-std/src/Test.sol";
import {Constants} from "../Constants.sol";
import {Test} from "../../lib/forge-std/src/Test.sol";
import {console} from "forge-std/console.sol";
contract UniswapV4ExecutorExposed is UniswapV4Executor {
@@ -42,7 +43,7 @@ contract UniswapV4ExecutorTest is Test, Constants {
uint24 expectedPoolFee = 500;
uint128 expectedAmount = 100;
bytes memory data = _encodeExactInputSingle(
bytes memory data = UniswapV4Utils.encodeExactInputSingle(
USDE_ADDR, USDT_ADDR, expectedPoolFee, false, 1, expectedAmount
);
@@ -62,7 +63,7 @@ contract UniswapV4ExecutorTest is Test, Constants {
uint256 usdeBalanceBeforeSwapExecutor =
USDE.balanceOf(address(uniswapV4Exposed));
bytes memory data = _encodeExactInputSingle(
bytes memory data = UniswapV4Utils.encodeExactInputSingle(
USDE_ADDR, USDT_ADDR, 100, true, 1, uint128(amountIn)
);
@@ -74,44 +75,4 @@ contract UniswapV4ExecutorTest is Test, Constants {
);
assertTrue(USDT.balanceOf(address(uniswapV4Exposed)) == amountOut);
}
function _encodeExactInputSingle(
address tokenIn,
address tokenOut,
uint24 fee,
bool zeroForOne,
uint24 tickSpacing,
uint128 amountIn
) internal pure returns (bytes memory) {
PoolKey memory key = PoolKey({
currency0: Currency.wrap(zeroForOne ? tokenIn : tokenOut),
currency1: Currency.wrap(zeroForOne ? tokenOut : tokenIn),
fee: fee,
tickSpacing: int24(tickSpacing),
hooks: IHooks(address(0))
});
bytes memory actions = abi.encodePacked(
uint8(Actions.SWAP_EXACT_IN_SINGLE),
uint8(Actions.SETTLE_ALL),
uint8(Actions.TAKE_ALL)
);
bytes[] memory params = new bytes[](3);
params[0] = abi.encode(
IV4Router.ExactInputSingleParams({
poolKey: key,
zeroForOne: zeroForOne,
amountIn: amountIn,
amountOutMinimum: 0,
hookData: bytes("")
})
);
params[1] = abi.encode(key.currency0, amountIn);
params[2] = abi.encode(key.currency1, 0);
return abi.encode(actions, params);
}
}

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@@ -0,0 +1,47 @@
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.26;
import "@src/executors/UniswapV4Executor.sol";
library UniswapV4Utils {
function encodeExactInputSingle(
address tokenIn,
address tokenOut,
uint24 fee,
address receiver,
bool zeroForOne,
uint24 tickSpacing,
uint128 amountIn
) public pure returns (bytes memory) {
PoolKey memory key = PoolKey({
currency0: Currency.wrap(zeroForOne ? tokenIn : tokenOut),
currency1: Currency.wrap(zeroForOne ? tokenOut : tokenIn),
fee: fee,
tickSpacing: int24(tickSpacing),
hooks: IHooks(address(0))
});
bytes memory actions = abi.encodePacked(
uint8(Actions.SWAP_EXACT_IN_SINGLE),
uint8(Actions.SETTLE_ALL),
uint8(Actions.TAKE)
);
bytes[] memory params = new bytes[](3);
params[0] = abi.encode(
IV4Router.ExactInputSingleParams({
poolKey: key,
zeroForOne: zeroForOne,
amountIn: amountIn,
amountOutMinimum: 0,
hookData: bytes("")
})
);
params[1] = abi.encode(key.currency0, amountIn);
params[2] = abi.encode(key.currency1, receiver, 0);
return abi.encode(actions, params);
}
}