fix : added validation in add image form.

.github/ISSUE_TEMPLATE/2-addImageForm.yml

@@ -36,14 +36,18 @@ body:
     id: address
     attributes:
       label: Address
+      description: "Must be a valid 0x-prefixed address (40 hexadecimal characters). Example: 0x1234...abcd"
       placeholder: 0x...
     validations:
       required: true
+      pattern: "^0x[a-fA-F0-9]{40}$"
+
   - type: input
     id: imageUrl
     attributes:
       label: Image URL
-      description: Ideally a 256x256 PNG or SVG file. But we'll take care of optimizing it later.
-      placeholder: https://gateway.pinata.cloud/ipfs/Qme9B6jRpGtZsRFcPjHvA5T4ugFuL4c3SzWfxyMPa59AMo
+      description: "Ideally a 256x256 PNG or SVG file. But we'll take care of optimizing it later."
+      placeholder: "https://gateway.pinata.cloud/ipfs/Qme9B6jRpGtZsRFcPjHvA5T4ugFuL4c3SzWfxyMPa59AMo"
     validations:
       required: true
+      pattern: "^(https?://[\\w.-]+(?:/[\\w\\-.~!$&'()*+,;=:@%]*)*)$"

.github/workflows/validate-token-address.yml

@@ -0,0 +1,110 @@
+name: Validate Token Address
+
+on:
+  issues:
+    types: [opened, edited]
+
+jobs:
+  validate-address:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v3
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: 20
+
+      - name: Install ethers.js
+        run: npm install ethers
+
+      - name: Extract address and network
+        id: extract
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const body = context.payload.issue.body;
+
+            // Extract Network
+            const networkMatch = body.match(/Network\s*\n\s*(.*)/);
+            const network = networkMatch ? networkMatch[1].trim() : null;
+
+            // Extract Address
+            const addressMatch = body.match(/Address\s*\n\s*(0x[a-fA-F0-9]{40})/);
+            const address = addressMatch ? addressMatch[1].trim() : null;
+
+            core.setOutput('network', network || '');
+            core.setOutput('address', address || '');
+
+      - name: Validate on-chain address
+        id: validate
+        run: |
+          node -e "
+          const { ethers } = require('ethers');
+
+          const network = '${{ steps.extract.outputs.network }}';
+          const address = '${{ steps.extract.outputs.address }}';
+
+          if (!address) {
+            console.log('No address provided.');
+            process.exit(1);
+          }
+
+          const rpcMap = {
+            MAINNET: 'https://rpc.ankr.com/eth',
+            GNOSIS_CHAIN: 'https://rpc.gnosischain.com',
+            ARBITRUM_ONE: 'https://arb1.arbitrum.io/rpc',
+            BASE: 'https://mainnet.base.org',
+            POLYGON: 'https://polygon-rpc.com',
+            AVALANCHE: 'https://api.avax.network/ext/bc/C/rpc',
+            BNB: 'https://bsc-dataseed.binance.org/',
+            LENS: ''
+          };
+
+          const rpcUrl = rpcMap[network];
+          if (!rpcUrl) {
+            console.log('No RPC for network, skipping check.');
+            process.exit(0);
+          }
+
+          const provider = new ethers.JsonRpcProvider(rpcUrl);
+
+          provider.getCode(address).then(code => {
+            if (code === '0x') {
+              console.log('Address not found on chain.');
+              process.exit(1);
+            } else {
+              console.log('Address exists on chain.');
+            }
+          }).catch(err => {
+            console.error('Error checking address:', err);
+            process.exit(1);
+          });
+          "
+
+      - name: Add comment and label if invalid
+        if: failure()
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const issue_number = context.issue.number;
+            const address = '${{ steps.extract.outputs.address }}';
+            const network = '${{ steps.extract.outputs.network }}';
+
+            // Add comment
+            await github.issues.createComment({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number,
+              body: `⚠️ The address \`${address || 'N/A'}\` does not exist or is invalid on network \`${network || 'N/A'}\`. Please verify.`
+            });
+
+            // Add label
+            await github.issues.addLabels({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number,
+              labels: ['invalid-address']
+            });