hook initialized

.github/workflows/test.yml

@@ -0,0 +1,45 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+env:
+  FOUNDRY_PROFILE: ci
+
+jobs:
+  check:
+    strategy:
+      fail-fast: true
+
+    name: Foundry project
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Install Foundry
+        uses: foundry-rs/foundry-toolchain@v1
+        with:
+          version: nightly
+
+      - name: Show Forge version
+        run: |
+          forge --version
+
+      - name: Run Forge fmt
+        run: |
+          forge fmt --check
+        id: fmt
+
+      - name: Run Forge build
+        run: |
+          forge build --sizes
+        id: build
+
+      - name: Run Forge tests
+        run: |
+          forge test -vvv
+        id: test

.gitignore

@@ -0,0 +1,14 @@
+# Compiler files
+cache/
+out/
+
+# Ignores development broadcast logs
+!/broadcast
+/broadcast/*/31337/
+/broadcast/**/dry-run/
+
+# Docs
+docs/
+
+# Dotenv file
+.env

README.md

@@ -0,0 +1,66 @@
+## Foundry
+
+**Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.**
+
+Foundry consists of:
+
+-   **Forge**: Ethereum testing framework (like Truffle, Hardhat and DappTools).
+-   **Cast**: Swiss army knife for interacting with EVM smart contracts, sending transactions and getting chain data.
+-   **Anvil**: Local Ethereum node, akin to Ganache, Hardhat Network.
+-   **Chisel**: Fast, utilitarian, and verbose solidity REPL.
+
+## Documentation
+
+https://book.getfoundry.sh/
+
+## Usage
+
+### Build
+
+```shell
+$ forge build
+```
+
+### Test
+
+```shell
+$ forge test
+```
+
+### Format
+
+```shell
+$ forge fmt
+```
+
+### Gas Snapshots
+
+```shell
+$ forge snapshot
+```
+
+### Anvil
+
+```shell
+$ anvil
+```
+
+### Deploy
+
+```shell
+$ forge script script/Counter.s.sol:CounterScript --rpc-url <your_rpc_url> --private-key <your_private_key>
+```
+
+### Cast
+
+```shell
+$ cast <subcommand>
+```
+
+### Help
+
+```shell
+$ forge --help
+$ anvil --help
+$ cast --help
+```

foundry.toml

@@ -0,0 +1,6 @@
+[profile.default]
+src = "src"
+out = "out"
+libs = ["lib"]
+
+# See more config options https://github.com/foundry-rs/foundry/blob/master/crates/config/README.md#all-options

remappings.txt

@@ -0,0 +1,14 @@
+@ensdomains/=lib/periphery-next/lib/v4-core/node_modules/@ensdomains/
+@openzeppelin/=lib/periphery-next/lib/v4-core/lib/openzeppelin-contracts/
+@openzeppelin/contracts/=lib/periphery-next/lib/v4-core/lib/openzeppelin-contracts/contracts/
+@uniswap/v4-core/=lib/periphery-next/lib/v4-core/
+ds-test/=lib/periphery-next/lib/v4-core/lib/forge-std/lib/ds-test/src/
+erc4626-tests/=lib/periphery-next/lib/v4-core/lib/openzeppelin-contracts/lib/erc4626-tests/
+forge-gas-snapshot/=lib/periphery-next/lib/v4-core/lib/forge-gas-snapshot/src/
+forge-std/=lib/forge-std/src/
+hardhat/=lib/periphery-next/lib/v4-core/node_modules/hardhat/
+openzeppelin-contracts/=lib/periphery-next/lib/v4-core/lib/openzeppelin-contracts/
+periphery-next/=lib/periphery-next/
+permit2/=lib/periphery-next/lib/permit2/
+solmate/=lib/periphery-next/lib/v4-core/lib/solmate/
+v4-core/=lib/periphery-next/lib/v4-core/src/

script/Counter.s.sol

@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.13;
+
+import {Script, console} from "forge-std/Script.sol";
+import {Counter} from "../src/Counter.sol";
+
+contract CounterScript is Script {
+    Counter public counter;
+
+    function setUp() public {}
+
+    function run() public {
+        vm.startBroadcast();
+
+        counter = new Counter();
+
+        vm.stopBroadcast();
+    }
+}

src/Counter.sol

@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.13;
+
+contract Counter {
+    uint256 public number;
+
+    function setNumber(uint256 newNumber) public {
+        number = newNumber;
+    }
+
+    function increment() public {
+        number++;
+    }
+}

src/TakeProfitHook.sol

@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.0;
+
+import {BaseHook} from "periphery-next/src/base/hooks/BaseHook.sol";
+import {ERC1155} from "openzeppelin-contracts/contracts/token/ERC1155/ERC1155.sol";
+import {IPoolManager} from "v4-core/interfaces/IPoolManager.sol";
+import {Hooks} from "v4-core/libraries/Hooks.sol";
+import {PoolId, PoolIdLibrary} from "v4-core/types/PoolId.sol";
+import {PoolKey} from "v4-core/types/PoolKey.sol";
+
+contract TakeProfitsHook is BaseHook, ERC1155 {
+    using PoolIdLibrary for PoolKey;
+
+    mapping(PoolId poolId => int24 tickLower) public tickLowerLasts;
+    mapping(PoolId poolId => mapping(int24 tick => mapping(bool zeroForOne => int256 amount))) public takeProfitPositions;
+    constructor(IPoolManager _poolManager, string memory _url)
+        BaseHook(_poolManager)
+        ERC1155(_url)
+    {}
+
+    // Required override function for BaseHook to let the PoolManager know which hooks are implemented
+    function getHookPermissions() public pure override returns (Hooks.Permissions memory) {
+        return Hooks.Permissions({
+            beforeInitialize: false,
+            afterInitialize: false,
+            beforeAddLiquidity: false,
+            afterAddLiquidity: false,
+            beforeRemoveLiquidity: false,
+            afterRemoveLiquidity: false,
+            beforeSwap: false,
+            afterSwap: false,
+            beforeDonate: false,
+            afterDonate: false,
+            beforeSwapReturnDelta: false,
+            afterSwapReturnDelta: false,
+            afterAddLiquidityReturnDelta: false,
+            afterRemoveLiquidityReturnDelta: false
+        });
+    }
+
+}

test/Counter.t.sol

@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.13;
+
+import {Test, console} from "forge-std/Test.sol";
+import {Counter} from "../src/Counter.sol";
+
+contract CounterTest is Test {
+    Counter public counter;
+
+    function setUp() public {
+        counter = new Counter();
+        counter.setNumber(0);
+    }
+
+    function test_Increment() public {
+        counter.increment();
+        assertEq(counter.number(), 1);
+    }
+
+    function testFuzz_SetNumber(uint256 x) public {
+        counter.setNumber(x);
+        assertEq(counter.number(), x);
+    }
+}