Add ZigChain TVL for DeFa , as DeFa is live on zigchain is well now

projects/defa/index.js

@@ -1,51 +1,55 @@
-const axios = require("axios");
+const { callSoroban } = require("../helper/chain/stellar");
+const { queryContract } = require("../helper/chain/cosmos");
 
-const RPC_URL = "https://soroban-rpc.mainnet.stellar.gateway.fm";
+// ============================================================
+// Stellar — Soroban TVL Logger (get_active_tvl)
+// Queries the on-chain Logger contract via Soroban RPC simulation.
+// The contract returns active vault liquidity denominated in USD
+// with 7 decimal places.
+// ============================================================
 
-const SIM_TX =
-  "AAAAAgAAAABInMr//HjTQ5mfaqRBHzYCJKEHrM2r8m9/4lm9PBoMVgABhqAAAAAAAAAAAgAAAAEAAAAAAAAAAAAAAABpkzaBAAAAAAAAAAEAAAAAAAAAGAAAAAAAAAAB61PtVr2XWjuuWsIcyFlAq888asA0bR8BnY/AeIm0wxQAAAAOZ2V0X2FjdGl2ZV90dmwAAAAAAAAAAAAAAAAAAAAAAAA=";
+const STELLAR_CONTRACT = "CDVVH3KWXWLVUO5OLLBBZSCZICV46PDKYA2G2HYBTWH4A6EJWTBRIXRK";
 
-async function getActiveTvl() {
-  const body = {
-    jsonrpc: "2.0",
-    id: 1,
-    method: "simulateTransaction",
-    params: {
-      transaction: SIM_TX,
-    },
-  };
+async function stellarTvl(api) {
+  const activeTvl = await callSoroban(STELLAR_CONTRACT, "get_active_tvl");
 
-  const { data: json } = await axios.post(RPC_URL, body, {
-    headers: { "Content-Type": "application/json" },
-  });
+  if (!activeTvl) throw new Error("Stellar TVL is zero");
+
+  api.addCGToken("usd-coin", Number(activeTvl) / 1e7);
+  return api.getBalances();
+}
 
-  const xdr = json?.result?.results?.[0]?.xdr;
-  if (!xdr) throw new Error("TVL value not returned from Soroban simulation");
+// ============================================================
+// ZigChain — CosmWasm TVL Logger (active_tvl)
+// Queries the on-chain Logger contract via LCD REST endpoint.
+// The contract returns active liquidity in DeFa zigchian contracts denominated in USD
+// with 6 decimal places.
+// ============================================================
+
+const ZIGCHAIN_TVL_CONTRACT = "zig19pp9rxhqktgpf2yqkwwx6yekmgvnu3hvj0c4e5rlpw88l0shh3qs9qcdyg";
+
+async function zigchainTvl(api) {
+  const activeTvl = await queryContract({
+    contract: ZIGCHAIN_TVL_CONTRACT,
+    chain: "zigchain",
+    data: { active_tvl: {} },
+  });
 
-  // Decode u128 from last 16 bytes (matches your SIM_TX output)
-  const buffer = Buffer.from(xdr, "base64");
-  const value = BigInt("0x" + buffer.slice(-16).toString("hex"));
+  if (!activeTvl || activeTvl === "0") throw new Error("ZigChain TVL is zero");
 
-  return value;
+  api.addCGToken("usd-coin", Number(activeTvl) / 1e6);
+  return api.getBalances();
 }
 
-async function tvl(api) {
-    const activeTvl = await getActiveTvl();
-
-    if (activeTvl === 0n) throw new Error("TVL is zero");
-
-    const normalized = Number(activeTvl) / 1e7;
-    api.addCGToken("usd-coin", normalized);
-
-    return api.getBalances();
-  }
-
+// ============================================================
+// Export
+// ============================================================
 
 module.exports = {
   timetravel: false,
+  misrepresentedTokens: true,
   methodology:
-    "TVL represents the total active liquidity across invoice-backed pools as reported directly by the on-chain Logger contract via Soroban simulation (get_active_tvl).",
-  stellar: {
-    tvl,
-  },
+    "TVL is the total active liquidity across invoice-backed pools, reported by on-chain Logger contracts on Stellar (Soroban) and ZigChain (CosmWasm).",
+  stellar: { tvl: stellarTvl },
+  zigchain: { tvl: zigchainTvl },
 };