Add Tea-Fi Adapter

projects/tea-fi/constants.js

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+const SYNTHETIC_TOKENS = {
+  polygon: {
+    tUSDT: "0x1E438D4414f38CD2bEB71B73721181CDe019f708",
+    tWPOL: "0x1Cd0cd01c8C902AdAb3430ae04b9ea32CB309CF1",
+    tUSDC: "0xCCC44CA311149A790d06f36649383C92607C93f7",
+    tSOL: "0x4952B1A890BD49CB060d42Ab70cf6eB4FE0839Ee",
+    tWBTC: "0x3f6a44fd4Def23a8007A7A23eb55cf8B66E97A6f",
+    tWETH: "0x63dC32c7872D9aF96f7A56b98df17B5453d93EFC",
+  },
+  ethereum: {
+    tUSDT: "0xc3a85901ca900cc91467bec95ea22d50cdcefe98",
+    tPOL: "0x7a24358fe50195c55e85840983a2486069d4efce",
+    tUSDC: "0x7f985691b98c6874257eba1d8732d60eec1dccde",
+    tSOL: "0x0f19a77bd5670022b041b703c5be657c59b4f349",
+    tWBTC: "0x1d0c1ef072493bb0e8ccd164370394bd294bdb90",
+    tWETH: "0x833723cfb394b643e8013aca00bcc2a6affdaeab",
+  }
+}
+
+const SYNTHETIC_STAKING = {
+  ethereum: '0xd491C1A7E3C6AF6c2A8f8e3EF54E50044F3BA9AA',
+  polygon: '0xBeB9503dDBDA15aE0D19cf817028C19077f0e99E'
+}
+
+module.exports = {
+  SYNTHETIC_TOKENS, 
+  SYNTHETIC_STAKING
+}

projects/tea-fi/index.js

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+const { SYNTHETIC_TOKENS, SYNTHETIC_STAKING } = require("./constants")
+
+const stakings = async (api) => {
+  const { chain } = api
+  const synthTokens = Object.values(SYNTHETIC_TOKENS[chain])
+  const synthBalances = await api.multiCall({
+    calls: synthTokens.map(token => ({
+      target: token,
+      params: [SYNTHETIC_STAKING[chain]]
+    })),
+    abi: 'erc20:balanceOf',
+  })
+  const underlyingAssets = await api.multiCall({
+    calls: synthTokens.map(token => ({
+      target: token,
+      params: []
+    })),
+    abi: 'address:underlyingAsset',
+  })
+  const underlyingAssetDecimals = await api.multiCall({
+    calls: underlyingAssets.map(token => ({
+      target: token,
+      params: []
+    })),
+    abi: 'erc20:decimals',
+  })
+  const correctedBalances = synthBalances.map((balance, index) => 
+    BigInt(underlyingAssetDecimals[index]) < 18n ?
+      BigInt(balance) / 10n ** (18n - BigInt(underlyingAssetDecimals[index])) :
+      BigInt(balance) * 10n ** (BigInt(underlyingAssetDecimals[index]) - 18n)
+  )
+
+  api.add(underlyingAssets, correctedBalances)
+}
+
+module.exports = {
+  methodology: "TVL is the total value of the assets that back synthetic tokens in staking pools on a specific chain.",
+  ethereum: {
+    tvl: () => ({}),
+    staking: stakings,
+  },
+  polygon: {
+    tvl: () => ({}),
+    staking: stakings,
+  }
+};