Add Stabull fee, revenue and volume

dexs/stabull/index.ts

@@ -0,0 +1,101 @@
+import {Adapter, FetchOptions, FetchResultV2} from "../../adapters/types";
+import {CHAIN} from "../../helpers/chains";
+import { addTokensReceived } from '../../helpers/token';
+import {Balances} from "@defillama/sdk";
+import {addOneToken} from "../../helpers/prices";
+
+
+const events = {
+  trade: 'event Trade( address indexed trader, address indexed origin, address indexed target, uint256 originAmount, uint256 targetAmount, int128 rawProtocolFee)',
+  newCurve: 'event NewCurve (address indexed caller, bytes32 indexed id, address indexed curve)'
+}
+
+// Sources: treasury address is defined on the curveFactory contract on method getProtocolTreasury
+// Other contract addresses can be found at https://docs.stabull.finance/amm/contracts
+const configs: Record<string, any> = {
+  [CHAIN.ETHEREUM]: {
+    factory: { address: "0x2e9E34b5Af24b66F12721113C1C8FFcbB7Bc8051", fromBlock: 19773852 },
+    treasury: '0xaBd582EFa8ff22D5258FAFf769082002B3a1d919',
+    startDate: '2024-04-29',
+  },
+  [CHAIN.POLYGON]: {
+    factory: { address: "0x3c60234db40e6e5b57504e401b1cdc79d91faf89", fromBlock: 56377840 },
+    treasury: '0x2ABbb079e97bd30605CcD65b8aDFB756AFE4f511',
+    startDate: '2024-04-29',
+  },
+  [CHAIN.BASE]: {
+    factory: { address: "0x86Ba17ebf8819f7fd32Cf1A43AbCaAe541A5BEbf", fromBlock: 32584321 },
+    treasury: '0x1ea84Ba9598AA1083D7F4096E06B532Da2c3dEf5',
+    startDate: '2025-07-08',
+  },
+};
+
+// This method dynamically fetches pool addresses, this way newly created pools will be counted automatically in the future
+const getPools = async (options: FetchOptions): Promise<string[]> => {
+  const {address, fromBlock} = configs[options.chain].factory
+  const logs = await options.getLogs({
+    target: address,
+    eventAbi: events.newCurve,
+    onlyArgs: true,
+    cacheInCloud: true,
+    fromBlock,
+  });
+  return logs.map(log => log.curve);
+}
+
+const fetchVolume = async (options: FetchOptions, targets: string[], dailyVolume: Balances) => {
+  const tradeEvents: Array<any> = await options.getLogs({
+    targets: targets,
+    eventAbi: events.trade,
+  })
+
+  for (const event of tradeEvents) {
+    addOneToken({balances: dailyVolume, chain: options.chain, token0: event.origin, amount0: event.originAmount, token1: event.target, amount1: event.targetAmount})
+  }
+}
+
+const fetchRevenue = async (options: FetchOptions, fromAdddesses: string[], dailyFees: Balances) => {
+  await addTokensReceived({
+    options,
+    balances: dailyFees,
+    targets: [configs[options.chain].treasury], // Treasury address
+    fromAdddesses,
+  })
+}
+
+const fetch: any = async (options: FetchOptions): Promise<FetchResultV2> => {
+  const dailyVolume = options.createBalances()
+  const dailyRevenue = options.createBalances()
+
+  const poolAddresses = await getPools(options);
+
+  await fetchVolume(options, poolAddresses, dailyVolume);
+  await fetchRevenue(options, poolAddresses, dailyRevenue);
+
+
+  return {
+    dailyVolume,
+    dailyRevenue,
+    // Protocol collects 30% of total fees as revenue, so to derive the full 100% fees:
+    // dailyFees = dailyRevenue / 0.3, equivalently dailyRevenue * (10 / 3)
+    dailyFees: dailyRevenue.clone(10/3),
+  }
+};
+
+const adapters: Adapter = {
+  version: 2,
+  adapter: Object.keys(configs).reduce((acc, chain) => {
+    return {
+      ...acc,
+      [chain]: {
+        fetch,
+        start: configs[chain].startDate,
+      }
+    }
+  }, {}),
+  methodology: {
+    Fees: 'Stabull charges a flat rate of 0.15% per swap per pool',
+    Revenue: '30% of all fees goes to the protocol treasury',
+  },
+};
+export default adapters;