Adding PumpBase

projects/PumpBase/index.js

@@ -0,0 +1,48 @@
+const { getLogs } = require('../helper/cache/getLogs')
+
+const FACTORY = '0x19798E390E69a36814B25BbBC7e75530E8a0A101'
+const WETH = '0x4200000000000000000000000000000000000006'
+const INITIAL_LIQUIDITY = 1500_000_000_000_000_000n
+
+const abi = {
+  bondingCurveMap: "function bondingCurveMap(address) view returns (address)",
+  getReserves: "function getReserves() view returns (uint256 _reserveEth, uint256 _reserveToken)",
+  Deployed: "event Deployed(address indexed token, address indexed bondingCurve, address indexed creator, uint256 timestamp)",
+}
+
+async function tvl(api) {
+  const logs = await getLogs({
+    api,
+    target: FACTORY,
+    topics: ['0x0aca3d0708cc06a2b4b4bedc6fe1b5febc7f70a1c413ac1fb594bc32c911df16'],
+    fromBlock: 36935850,
+  })
+
+  if (logs.length === 0) return
+
+  const allTokens = logs.map(log => `0x${log.topics[1].slice(26)}`).map(token => token.toLowerCase())
+  const tokens = [...new Set(allTokens)]
+
+  const bondingCurves = await api.multiCall({ abi: abi.bondingCurveMap, calls: tokens, target: FACTORY })
+  const reserves = await api.multiCall({ abi: abi.getReserves, calls: bondingCurves })
+
+  let totalEth = 0n
+
+  reserves.forEach(([reserveEth, reserveToken], i) => {
+    const actualEth = BigInt(reserveEth) - INITIAL_LIQUIDITY
+    if (actualEth > 0n) {
+      totalEth += actualEth
+    }
+    api.add(tokens[i], reserveToken)
+  })
+
+  if (totalEth > 0n) {
+    api.add(WETH, totalEth)
+  }
+}
+
+module.exports = {
+  methodology: 'Counts ETH and tokens locked in bonding curves. ETH reserves are calculated by subtracting the fake initial liquidity (1.5 ETH) from the total reserves.',
+  start: 1750043447,
+  base: { tvl }
+}