feat(solid): Terra2 TVL adapter

projects/solid/index.js

@@ -0,0 +1,148 @@
+/* SOLID Protocol (Terra, phoenix-1) — Collateral-only TVL adapter
+ * Now returns BALANCES ONLY (no price/exchange-rate math in adapter).
+ * ampLUNA / bLUNA pricing to be handled by DefiLlama coin-prices infra.
+ */
+
+const fetch = require('node-fetch')
+const { sumSingleBalance } = require('@defillama/sdk/build/generalUtil')
+
+// ----- LCD endpoint (overridable) -----
+const LCD = process.env.TERRA_LCD || 'https://terra-api.cosmosrescue.dev:8443'
+
+// ----- Addresses -----
+const ADDR = {
+  // SOLID stablecoin contract (borrowed supply)
+  SOLID: {
+    token: 'terra10aa3zdkrc7jwuf8ekl3zq7e7m42vmzqehcmu74e4egc7xkm5kr2s0muyst',
+  },
+  // CW20 collaterals
+  ampLUNA: {
+    token:   'terra1ecgazyd0waaj3g7l9cmy5gulhxkps2gmxu9ghducvuypjq68mq2s5lvsct',
+    custody: 'terra18uxq2k6wpsqythpakz5n6ljnuzyehrt775zkdclrtdtv6da63gmskqn7dq',
+  },
+  bLUNA: {
+    token:   'terra17aj4ty4sz4yhgm08na8drc0v03v2jwr3waxcqrwhajj729zhl7zqnpc0ml',
+    custody: 'terra1fyfrqdf58nf4fev2amrdrytq5d63njulfa7sm75c0zu4pnr693dsqlr7p9',
+  },
+  wSOL: {
+    token:   'terra1ctelwayk6t2zu30a8v9kdg3u2gr0slpjdfny5pjp7m3tuquk32ysugyjdg',
+    custody: 'terra1e32q545j90agakl32mtkacq05990cnr54czj8wp0wv3nttkrhwlqr9spf5',
+  },
+  wBNB: {
+    token:   'terra1xc7ynquupyfcn43sye5pfmnlzjcw2ck9keh0l2w2a4rhjnkp64uq4pr388',
+    custody: 'terra1fluajm00hwu9wyy8yuyf4zag7x5pw95vdlgkhh8w03pfzqj6hapsx4673t',
+  },
+
+  // IBC/native denoms (bank module)
+  USDC: {
+    denom:   'ibc/2C962DAB9F57FE0921435426AE75196009FAA1981BF86991203C8411F8980FDB',
+    custody: 'terra1hdu4t2mrrv98rwdzps40va7me3xjme32upcw36x4cda8tx9cee9qrwdhsl',
+  },
+  wETH: {
+    denom:   'ibc/BC8A77AFBD872FDC32A348D3FB10CC09277C266CFE52081DE341C7EC6752E674',
+    custody: 'terra1lz9048tzegtspy35chwq2lmlhtwz8qq4jdvpua8yslskfnpk6yfsw06090',
+  },
+  wBTC: {
+    denom:   'ibc/05D299885B07905B6886F554B39346EA6761246076A1120B1950049B92B922DD',
+    custody: 'terra163nmjy97n7dqpdaxp6gts0xrnchn2nsg2d40wrgqnpguf0v9rvdslytfpz',
+  },
+}
+
+// ----- helpers -----
+function b64(obj) {
+  return Buffer.from(JSON.stringify(obj)).toString('base64')
+}
+
+// robust smart query: path form `/smart/{b64}` works across LCDs
+async function smartQuery(contract, msgObj) {
+  const url = `${LCD}/cosmwasm/wasm/v1/contract/${contract}/smart/${b64(msgObj)}`
+  const res = await fetch(url)
+  if (!res.ok) throw new Error(`wasm smart query failed: ${res.status}`)
+  const json = await res.json()
+  // some LCDs wrap under 'data' or 'result'
+  return json.data || json.result || json
+}
+
+async function bankBalances(address) {
+  const url = `${LCD}/cosmos/bank/v1beta1/balances/${address}?pagination.limit=1000`
+  const res = await fetch(url)
+  if (!res.ok) throw new Error(`bank balances failed: ${res.status}`)
+  const json = await res.json()
+  return json.balances || []
+}
+
+async function cw20Balance(token, address) {
+  const r = await smartQuery(token, { balance: { address } })
+  const bal = (r && r.balance) ? r.balance : (r?.data?.balance || '0')
+  return BigInt(bal)
+}
+
+async function cw20Decimals(token) {
+  const r = await smartQuery(token, { token_info: {} })
+  return r.decimals ?? r.token_info?.decimals ?? 6
+}
+
+async function cw20TotalSupply(token) {
+  const r = await smartQuery(token, { token_info: {} })
+  return BigInt(r.total_supply || r?.token_info?.total_supply || '0')
+}
+
+function addBig(balances, key, amount) {
+  if (!amount) return
+  const prev = BigInt(balances[key] || 0)
+  balances[key] = (prev + BigInt(amount)).toString()
+}
+
+// ----- TVL -----
+async function tvl() {
+  const balances = {}
+
+  // CW20 balances (report as raw token balances)
+  for (const key of ['ampLUNA', 'bLUNA', 'wSOL', 'wBNB']) {
+    const { token, custody } = ADDR[key]
+    try {
+      const [bal, dec] = await Promise.all([cw20Balance(token, custody), cw20Decimals(token)])
+      // return raw amount in smallest units (string). DefiLlama will price it.
+      const raw = BigInt(bal)  // already smallest unit from contract
+      addBig(balances, `terra2:${token}`, raw.toString())
+    } catch (e) {
+      // skip on error
+      // console.error('cw20 fetch error', key, e)
+      continue
+    }
+  }
+
+  // IBC/native balances (bank module)
+  for (const key of ['USDC', 'wETH', 'wBTC']) {
+    const { denom, custody } = ADDR[key]
+    try {
+      const list = await bankBalances(custody)
+      const row = list.find((x) => x.denom === denom)
+      if (row && row.amount) addBig(balances, `terra2:${denom}`, row.amount)
+    } catch (e) {
+      // console.error('bank fetch error', key, e)
+      continue
+    }
+  }
+
+  return balances
+}
+
+// ----- Borrowed (SOLID totalSupply) -----
+async function borrowed() {
+  try {
+    const total = await cw20TotalSupply(ADDR.SOLID.token)
+    return { [`terra2:${ADDR.SOLID.token}`]: total.toString() }
+  } catch {
+    return {}
+  }
+}
+
+module.exports = {
+  timetravel: false,
+  misrepresentedTokens: false,
+  methodology:
+    'TVL = sum of custody balances for SOLID collaterals (ampLUNA, bLUNA, USDC (Noble IBC), axl.WETH, axl.WBTC, wSOL (Wormhole), wBNB (Wormhole)). ' +
+    'Adapter returns token balances only; pricing (including LST exchange rates) is handled by DefiLlama coin-prices infra.',
+  terra2: { tvl, borrowed },
+}