NFT valuation based on Magic Eden's real-time floor price

projects/Erratic-Finance/Erratic-Finance.json

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+{
+  "name": "Erratic-Finance",
+  "slug": "airdrop",
+  "chains": ["solana"],
+  "category": "NFT",
+  "url": "https://erratic.finance",
+  "description": "Erratic Identity Mark (EIM) is an exclusive early-stage identity credential within the Erratic Finance ecosystem. Minting and holding an EIM provides permanent rights and privileges within the Erratic ecosystem.",
+  "tokenContracts": {
+    "solana": {
+      "nft_mint": "FPm55sjSoMdBTCMhZzVWeTB5EdDH6EZuRaW5vAyvDqkW",
+      "main_contract": "AC6hxrHufwguXYcPdCibahS7nemw8SQhPSHGEArQ97sJ"
+    }
+  },
+  "module": "Erratic-Finance/index.js",
+  "airdrop": true
+}

projects/Erratic-Finance/index.js

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+const https = require('https');
+const NFT_MINT_ADDRESS = 'FPm55sjSoMdBTCMhZzVWeTB5EdDH6EZuRaW5vAyvDqkW';
+const CONTRACT_ADDRESS = 'AC6hxrHufwguXYcPdCibahS7nemw8SQhPSHGEArQ97sJ';
+
+const SOLANA_RPC_URL = 'https://api.mainnet-beta.solana.com';
+
+async function getSolanaBalance(publicKey) {
+  return new Promise((resolve, reject) => {
+    const postData = JSON.stringify({
+      jsonrpc: "2.0",
+      id: 1,
+      method: "getBalance",
+      params: [publicKey]
+    });
+
+    const req = https.request(SOLANA_RPC_URL, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        'Content-Length': postData.length
+      }
+    }, (res) => {
+      let data = '';
+      res.on('data', (chunk) => data += chunk);
+      res.on('end', () => {
+        try {
+          const result = JSON.parse(data);
+          if (result.error) {
+            reject(result.error.message);
+          } else {
+            resolve(result.result.value);
+          }
+        } catch (e) {
+          reject(e);
+        }
+      });
+    });
+
+    req.on('error', reject);
+    req.write(postData);
+    req.end();
+  });
+}
+
+async function getMagicEdenCollectionStats(collectionSymbol) {
+  return new Promise((resolve, reject) => {
+    https.get(`https://api-mainnet.magiceden.io/collection_stats?collection_symbol=${collectionSymbol}`, (res) => {
+      let data = '';
+      res.on('data', (chunk) => data += chunk);
+      res.on('end', () => {
+        try {
+          resolve(JSON.parse(data));
+        } catch (e) {
+          reject(e);
+        }
+      });
+    }).on('error', reject);
+  });
+}
+
+async function tvl() {
+  try {
+    const contractBalance = await getSolanaBalance(CONTRACT_ADDRESS);
+
+    const stats = await getMagicEdenCollectionStats(NFT_MINT_ADDRESS);
+
+    const nftValue = (stats.floor_price * stats.total_supply) || 0;
+
+    const totalSOL = (contractBalance / 1e9) + nftValue;
+
+    return {
+      solana: totalSOL
+    };
+  } catch (e) {
+    console.error('TVL calculation error:', e);
+    return {
+      solana: 0
+    };
+  }
+}
+
+module.exports = {
+  solana: {
+    tvl
+  }
+};