add FranklinTempleton RWA adapter (DefiLlama#10918)

* add FranklinTempleton RWA adapter

* use toUSDTBalances() helper

---------

Co-authored-by: 0xpeluche <0xpeluche@protonmail.com>

projects/franklinTempleton-finance/index.js

@@ -0,0 +1,28 @@
+const { toUSDTBalances } = require('../helper/balances');
+
+const BENJI_STELLAR = {ticker: "BENJI", address: 'GBHNGLLIE3KWGKCHIKMHJ5HVZHYIK7WTBE4QF5PLAKL4CJGSEU7HZIW5'}
+const BENJI_POLYGON = '0x408a634b8a8f0de729b48574a3a7ec3fe820b00a'
+
+const stellarTvl = async (api) => {
+    const stellarApi = `https://api.stellar.expert/explorer/public/asset/${BENJI_STELLAR.ticker}-${BENJI_STELLAR.address}`
+    const response = await fetch(stellarApi)
+    const {supply, toml_info} = await response.json()
+    const adjustedSupply = toUSDTBalances((supply / Math.pow(10, toml_info.decimals)))
+    const [[tokenAddress, tokenBalance]] = Object.entries(adjustedSupply);
+    return api.add(tokenAddress, tokenBalance, { skipChain: true })
+}
+
+const polygonTvl = async (api) => {
+  const [decimals, totalSupply] = await Promise.all([
+        api.call({target: BENJI_POLYGON, abi:'erc20:decimals'}),
+        api.call({target: BENJI_POLYGON, abi:'erc20:totalSupply'})
+  ])
+  const adjustedSupply = toUSDTBalances((totalSupply / Math.pow(10, decimals)))
+  const [[tokenAddress, tokenBalance]] = Object.entries(adjustedSupply);
+  api.add(tokenAddress, tokenBalance, {skipChain: true} )
+}
+
+module.exports = {
+  stellar: {tvl: stellarTvl},
+  polygon: {tvl: polygonTvl},
+}