formatting sol files

.prettierignore

@@ -0,0 +1,4 @@
+node_modules
+packages/contracts/lib
+cache
+out

.prettierrc

@@ -0,0 +1,16 @@
+{
+  "printWidth": 100,
+  "trailingComma": "es5",
+  "semi": true,
+  "singleQuote": true,
+  "tabWidth": 2,
+  "overrides": [
+    {
+      "files": "*.sol",
+      "options": {
+        "semi": true,
+        "printWidth": 100
+      }
+    }
+  ]
+}

.solhint.json

@@ -1,6 +1,6 @@
 {
-  "extends": "solhint:recommended",
+  "plugins": ["prettier"],
   "rules": {
-    "compiler-version": ["error", "^0.8.0"]
+    "prettier/prettier": "error"
   }
 }

packages/contracts/src/Config.sol

@@ -3,12 +3,16 @@
 pragma solidity ^0.8.13;
 
 contract Config {
-    // function signature of "postProcess()"
-    bytes4 public constant POSTPROCESS_SIG = 0xc2722916;
+  // function signature of "postProcess()"
+  bytes4 public constant POSTPROCESS_SIG = 0xc2722916;
 
-    // The base amount of percentage function
-    uint256 public constant PERCENTAGE_BASE = 1 ether;
+  // The base amount of percentage function
+  uint256 public constant PERCENTAGE_BASE = 1 ether;
 
-    // Handler post-process type. Others should not happen now.
-    enum HandlerType {Token, Custom, Others}
+  // Handler post-process type. Others should not happen now.
+  enum HandlerType {
+    Token,
+    Custom,
+    Others
+  }
 }

packages/contracts/src/Counter.sol

@@ -3,13 +3,13 @@ pragma solidity ^0.8.13;
 
 // Credits to https://github.com/adrianmcli/web3-vs-ethers
 contract Counter {
-    uint public count = 0;
+  uint256 public count = 0;
 
-    function increment() public {
-        count = count + 1;
-    }
+  function increment() public {
+    count = count + 1;
+  }
 
-    function getCount() public view returns (uint) {
-        return count;
-    }
-}
+  function getCount() public view returns (uint256) {
+    return count;
+  }
+}