feat: unitas bsc chain (#17273)

Co-authored-by: June <june.zhu@unipay.fi>

Author: junlies

projects/unitas/index.js

@@ -1,11 +1,19 @@
-const { getTokenSupplies } = require('../helper/solana');
+const {getTokenSupplies} = require('../helper/solana');
 
-const TOKEN_MINT = '9ckR7pPPvyPadACDTzLwK2ZAEeUJ3qGSnzPs8bVaHrSy';
+const SOLANA_TOKEN_ADDRESS = '9ckR7pPPvyPadACDTzLwK2ZAEeUJ3qGSnzPs8bVaHrSy';
+const BSC_TOKEN_ADDRESS = "0xeA953eA6634d55dAC6697C436B1e81A679Db5882"
 
-async function tvl() {
-    const supply = await getTokenSupplies([TOKEN_MINT]);
+async function solanaTvl() {
+    const supply = await getTokenSupplies([SOLANA_TOKEN_ADDRESS]);
     return {
-        'usd-coin': supply[TOKEN_MINT] / 1e6
+        'usd-coin': supply[SOLANA_TOKEN_ADDRESS] / 1e6
+    }
+}
+
+async function bscTvl(api) {
+    const supply = await api.call({abi: 'erc20:totalSupply', target: BSC_TOKEN_ADDRESS})
+    return {
+        'usd-coin': supply / 1e18
     }
 }
 
@@ -16,6 +24,9 @@ module.exports = {
     timetravel: false,
     methodology: "Currently, tvl is composed of minted USDu",
     solana: {
-        tvl
+        tvl: solanaTvl
+    },
+    bsc: {
+        tvl: bscTvl
     }
 }