feat: impl a simple backend to check user DHK token balance

.github/workflows/ci.yml

@@ -11,9 +11,7 @@ env:
   ID_HUB_ADDR: "0x68c931C9a534D37aa78094877F46fE46a49F1A51"
   SELF_SCOPE: "8881796546691635711476357071947099946348416895373566002268674093031321389112"
   SELF_CONFIG_ID: "0xc52f992ebee4435b00b65d2c74b12435e96359d1ccf408041528414e6ea687bc"
-  NEXT_PUBLIC_SELF_APP_NAME: "DHK dao Identity Verification"
   NEXT_PUBLIC_SELF_SCOPE: "8881796546691635711476357071947099946348416895373566002268674093031321389112"
-  NEXT_PUBLIC_SELF_ENDPOINT: "https://burro-concise-regularly.ngrok-free.app/api/verify"
 
 jobs:
   ci-check:

packages/contracts/package.json

@@ -6,10 +6,11 @@
   "scripts": {
     "build": "forge build",
     "dev": "pnpm build && conc -n 'node,deploy' -c auto 'pnpm node' 'pnpm deploy:dev'",
-    "node": "anvil -f https://alfajores-forno.celo-testnet.org/",
+    "node": "anvil",
     "test": "forge test",
     "deploy:dev": "wait-on -t 10s tcp:localhost:8545 && forge script script/DeploySelfVerification.s.sol --rpc-url http://localhost:8545 --broadcast",
-    "listenEvents": "tsx lib/listenEvents.ts"
+    "script:listenEvents": "tsx script/listenEvents.ts",
+    "script:testVerificationCompletedEvent": "forge script script/TestVerificationCompletedEvent.sol --rpc-url http://localhost:8545 --private-key 0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80 --broadcast --sig 'run(string,string,string)'"
   },
   "keywords": [],
   "author": "",

packages/contracts/script/DeploySelfVerification.s.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.13;
+pragma solidity ^0.8.28;
 
 import {Script, console} from "forge-std/Script.sol";
 import {SelfVerification} from "../src/SelfVerification.sol";

packages/contracts/script/TestVerificationCompletedEvent.sol

@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.28;
+
+import {Script} from "forge-std/Script.sol";
+import {SelfVerification} from "../src/SelfVerification.sol";
+
+contract TestVerificationCompletedEvent is Script {
+    SelfVerification public sv;
+
+    function run(
+        string memory userId,
+        string memory nationality,
+        string memory userData
+    ) public {
+        address contractAddr = vm.envAddress("NEXT_PUBLIC_VERIFICATION_DEPLOYED_ADDR");
+        sv = SelfVerification(contractAddr);
+
+        vm.startBroadcast();
+
+        sv.testVerificationCompletedEvent(
+            vm.parseAddress(userId),
+            nationality,
+            bytes(userData)
+        );
+
+        vm.stopBroadcast();
+    }
+}

packages/contracts/lib/listenEvents.ts → packages/contracts/script/listenEvents.ts

@@ -17,7 +17,13 @@ console.log(`Listening to on-chain events\nrpc-url: ${RPC_URL}, address: ${contr
 const unwatch = publicClient.watchEvent({
   address: contractAddress,
   events: parseAbi([
-    'event VerificationCompleted(address indexed sender, string indexed nationality, bytes userData)'
+    'event VerificationCompleted(address indexed sender, string indexed nationality, uint32 times, bytes userData)'
   ]),
-  onLogs: (logs) => console.log(logs)
+  onLogs: (logs) => {
+    for (const [i, log] of logs.entries()) {
+      console.log(`-- event ${i} --`);
+      console.log(`name: ${log.eventName}`);
+      console.log(`args:`, log.args);
+    }
+  }
 });

packages/contracts/src/ERC20Token.sol

@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.4;
+
+import {ERC20} from "solady/tokens/ERC20.sol";
+
+/**
+ * @dev Interface of the ERC-20 standard as defined in the ERC.
+ */
+contract ERC20Token is ERC20 {
+    function name() public pure override returns (string memory) {
+        return "ERC20 Token";
+    }
+    function symbol() public pure override returns (string memory) {
+        return "TOKEN";
+    }
+}

packages/contracts/src/SelfVerification.sol

@@ -51,6 +51,15 @@ contract SelfVerification is SelfVerificationRoot, Ownable {
         // - etc.
     }
 
+    function testVerificationCompletedEvent(
+        address userId,
+        string memory nationality,
+        bytes memory userData
+    ) external onlyOwner {
+        verifiedHumans[userId] += 1;
+        emit VerificationCompleted(userId, nationality, verifiedHumans[userId], userData);
+    }
+
     function getConfigId(
         bytes32 /* _destinationChainId */,
         bytes32 /* _userIdentifier */,

packages/web/package.json

@@ -7,8 +7,6 @@
     "build": "next build",
     "start": "next start",
     "lint": "tsc && prettier -c . && next lint",
-    "ngrok": "ngrok http --url=burro-concise-regularly.ngrok-free.app 3000",
-    "tunnel": "concurrently -n 'next,ngrok' -c auto 'pnpm dev' 'pnpm ngrok'",
     "prettier:fix": "prettier -w ."
   },
   "dependencies": {
@@ -17,6 +15,7 @@
     "@selfxyz/core": "^1.0.8",
     "@selfxyz/qrcode": "^1.0.11",
     "@tanstack/react-query": "^5.85.5",
+    "abitype": "^1.0.9",
     "clsx": "^2.1.1",
     "connectkit": "^1.9.1",
     "geist": "^1.4.2",
@@ -33,6 +32,7 @@
     "@types/react": "^18",
     "@types/react-dom": "^18",
     "concurrently": "catalog:",
+    "dotenv": "catalog:",
     "eslint": "^8",
     "eslint-config-next": "13.2.4",
     "pino-pretty": "^13.1.1",