Count xAyin

Author: h0ngcha0

projects/ayin/index.js

@@ -10,12 +10,25 @@ const Addresses = {
   ayin: 'vT49PY8ksoUL6NcXiZ1t2wAmC7tTPRfFfER8n3UCLvXy'
 }
 
+const XAyinAddress = 'zst5zMzizEeFYFis6DNSknY5GCYTpM85D3yXeRLe2ug3'
+
 const TokenIds = {
   usdt: alephium.contractIdFromAddress(Addresses.usdt),
   weth: alephium.contractIdFromAddress(Addresses.weth),
   ayin: alephium.contractIdFromAddress(Addresses.ayin)
 }
 
+async function ayinTvlForXAyin() {
+  const results = await alephium.contractMultiCall([
+    { group: 0, address: XAyinAddress, methodIndex: 3 },
+    { group: 0, address: XAyinAddress, methodIndex: 11}
+  ])
+
+  const totalSupply = results[0].returns[0].value
+  const currentPrice = results[1].returns[0].value
+  return (Number(totalSupply) / 1e18) * (Number(currentPrice) / 1e18)
+}
+
 async function tvl() {
   const alphTvls = await Promise.all([
     Addresses.alphAyinPool, Addresses.alphUsdtPool, Addresses.alphWethPool
@@ -32,9 +45,10 @@ async function tvl() {
     });
     return res
   }, {[TokenIds.ayin]: 0, [TokenIds.usdt]: 0, [TokenIds.weth]: 0})
+  const xAyinTvl = await ayinTvlForXAyin()
   return {
     alephium: alphTvl  / 1e18,
-    ayin: tokensTvl[TokenIds.ayin] / 1e18,
+    ayin: tokensTvl[TokenIds.ayin] / 1e18 + xAyinTvl,
     weth: tokensTvl[TokenIds.weth] / 1e18,
     tether: tokensTvl[TokenIds.usdt] / 1e6
   }

projects/helper/chain/alephium.js

@@ -4,14 +4,27 @@ const basex = require('base-x')
 const ALPHABET = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
 const bs58 = basex(ALPHABET)
 
-const API_HOST = 'https://backend-v115.mainnet.alephium.org'
+const EXPLORER_API_HOST = 'https://backend-v115.mainnet.alephium.org'
+const NODE_API_HOST = ''
 
 async function getAlphBalance(address) {
-  return (await axios.get(`${API_HOST}/addresses/${address}/balance`)).data
+  return (await axios.get(`${EXPLORER_API_HOST}/addresses/${address}/balance`)).data
 }
 
 async function getTokensBalance(address) {
-  return (await axios.get(`${API_HOST}/addresses/${address}/tokens-balance`)).data
+  return (await axios.get(`${EXPLORER_API_HOST}/addresses/${address}/tokens-balance`)).data
+}
+
+async function contractMultiCall(payload) {
+  const result = (await axios.post(`${NODE_API_HOST}/contracts/multicall-contract`, {calls: payload})).data
+  return result.results.map((r) => tryGetCallResult(r))
+}
+
+function tryGetCallResult(result) {
+  if (result.type === 'CallContractFailed') {
+    throw new Error(`Failed to call contract, error: ${result.error}`)
+  }
+  return result
 }
 
 function contractIdFromAddress(address) {
@@ -31,5 +44,6 @@ function contractIdFromAddress(address) {
 module.exports = {
    getAlphBalance,
    getTokensBalance,
-   contractIdFromAddress
+   contractIdFromAddress,
+   contractMultiCall
 }