Add swap.coffee staking and pool2 adapter (DefiLlama#12031)

Author: SHADOWDANCH

projects/helper/chain/ton.js

@@ -11,6 +11,17 @@ async function getTonBalance(addr) {
   return res.balance
 }
 
+async function getJettonBalances(addr) {
+  const response = await get(`https://tonapi.io/v2/accounts/${addr}/jettons?currencies=usd`)
+
+  const res = { }
+  response.balances.forEach(val => {
+    res[val.jetton.address] = { balance: val.balance, price: val.price.prices.USD, decimals: val.jetton.decimals }
+  })
+
+  return res
+}
+
 async function _sumTokensAccount({ api, addr, tokens = [], onlyWhitelistedTokens = false }) {
   if (tokens.includes(ADDRESSES.null)) {
     const balance = await getTonBalance(addr)
@@ -91,4 +102,5 @@ module.exports = {
   sumTokens,
   sumTokensExport,
   call,
+  getJettonBalances,
 }

projects/swap-coffee/index.js

@@ -0,0 +1,46 @@
+const { call, sumTokensExport, getTokenRates, getJettonBalances } = require('../helper/chain/ton')
+const {sleep} = require("../helper/utils");
+
+const CES_MASTER = "0:a5d12e31be87867851a28d3ce271203c8fa1a28ae826256e73c506d94d49edad"
+const STAKING_CONTRACT = "0:29f90533937d696105883b981e9427d1ae411eef5b08eab83f4af89c495d27df"
+const DEDUST_TON_CES_POOL = "0:123e245683bd5e93ae787764ebf22291306f4a3fcbb2dcfcf9e337186af92c83"
+const STONFI_CES_TON_POOL = "0:6a839f7a9d6e5303d71f51e3c41469f2c35574179eb4bfb420dca624bb989753"
+
+async function getTokenSupply(addr) {
+    return (await call({ target: addr, abi: "get_jetton_data"}))[0] / 1e9
+}
+
+function calcVolume(reserve, supply, rate) {
+    return ((reserve / 1e9) / supply) * rate
+}
+
+module.exports = {
+    methodology: "Counts swap.coffee smartcontract balance as TVL.",
+    timetravel: false,
+    ton: {
+        tvl: () => { },
+        staking: sumTokensExport({ owners: [STAKING_CONTRACT], tokens: [CES_MASTER]}),
+        pool2: async (api) => {
+            const dedustPoolReserves = await call({ target: DEDUST_TON_CES_POOL, abi: "get_reserves" })
+            const dedustLpSupply = await getTokenSupply(DEDUST_TON_CES_POOL)
+
+            // toncenter api is rate limited
+            await sleep(3000)
+
+            const stonfiPoolReserves = await call({ target: STONFI_CES_TON_POOL, abi: "get_pool_data" })
+            const stonfiLpSupply = await getTokenSupply(STONFI_CES_TON_POOL)
+
+            const rates = await getTokenRates({ tokens: ["TON", CES_MASTER] })
+
+            const stonLpPrice = calcVolume(stonfiPoolReserves[0], stonfiLpSupply, rates[CES_MASTER]) +
+                calcVolume(stonfiPoolReserves[1], stonfiLpSupply, rates["TON"])
+            const dedustLpPrice = calcVolume(dedustPoolReserves[0], dedustLpSupply, rates["TON"]) +
+                calcVolume(dedustPoolReserves[1], dedustLpSupply, rates[CES_MASTER])
+
+            const balances = await getJettonBalances(STAKING_CONTRACT)
+
+            return api.addUSDValue((stonLpPrice * balances[STONFI_CES_TON_POOL].balance / 1e9) +
+                (dedustLpPrice * balances[DEDUST_TON_CES_POOL].balance / 1e9))
+        }
+    }
+}