feat: tracking myriad markets fees and volume

dexs/myriadmarkets/index.ts

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+import adapter from '../../fees/myriadmarkets';
+export default adapter;

fees/myriadmarkets/index.ts

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+import { FetchOptions, SimpleAdapter } from "../../adapters/types";
+import { CHAIN } from "../../helpers/chains";
+
+const MARKETS = {
+  [CHAIN.ABSTRACT]: '0x3e0F5F8F5Fb043aBFA475C0308417Bf72c463289',
+  [CHAIN.LINEA]: '0x39e66ee6b2ddaf4defded3038e0162180dbef340',
+}
+
+const abi = {
+  MarketActionTx: 'event MarketActionTx (address indexed user,uint8 indexed action, uint256 indexed marketId, uint256 outcomeId, uint256 shares, uint256 value, uint256 timestamp)',
+  getMarketAltData: 'function getMarketAltData(uint256 marketId) external view returns(uint256 buyFee, bytes32 questionId ,uint256 questionIdUint,address token,uint256 buyTreasuryFee, address treasury ,address realitio ,uint256 realitioTimeout ,address manager)',
+  getMarketFees: "function getMarketFees(uint256 marketId) view returns ((uint256 fee, uint256 treasuryFee, uint256 distributorFee) buyFees, (uint256 fee, uint256 treasuryFee, uint256 distributorFee) sellFees, address treasury, address distributor)",
+}
+
+async function fetch({ createBalances, chain, api, getLogs }: FetchOptions) {
+  const market = MARKETS[chain]
+  const dailyVolume = createBalances();
+  const dailyFees = createBalances();
+  const dailySupplySideRevenue = createBalances();
+  const dailyRevenue = createBalances();
+
+  const markets = await api.call({ abi: 'uint256[]:getMarkets', target: market });
+  const marketData = await api.multiCall({ target: market, abi: abi.getMarketAltData, calls: markets })
+  const marketFees = (await api.multiCall({ target: market, abi: abi.getMarketFees, calls: markets }))
+  const marketMapping: any = {}
+  markets.forEach((val, idx) => marketMapping[val] = {
+    token: marketData[idx].token,
+    fees: marketFees[idx]
+  })
+
+  marketFees.forEach(i => {
+    i.buyFees = i.buyFees.map(j => Number(j) / 1e18)
+  })
+  const tradeLogs = await getLogs({ target: market, eventAbi: abi.MarketActionTx, });
+
+  tradeLogs.forEach(({ action, marketId, value }) => {
+    value = Number(value)
+    action = Number(action)
+    const { fees, token } = marketMapping[marketId]
+    const isBuy = action === 0
+    const feeKey = isBuy ? 'buyFees' : 'sellFees'
+    const [fee, treasuryFee, distributorFee] = fees[feeKey]
+    const totalFee = fee + treasuryFee + distributorFee
+
+    switch (action) {
+      case 0: // buy
+      case 1: // sell
+        dailyVolume.add(token, value);
+        dailyFees.add(token, value * totalFee, isBuy ? 'BuyFee' : 'SellFee')
+        dailySupplySideRevenue.add(token, value * distributorFee, 'DistributorFee')
+        dailySupplySideRevenue.add(token, value * fee, 'LPFee')
+        dailyRevenue.add(token, value * fee, 'TreasuryFee')
+        break;
+    }
+  });
+
+
+  return {
+    dailyVolume,
+    dailyFees,
+    dailyRevenue,
+    dailyProtocolRevenue: dailyRevenue.clone(),
+    dailyHoldersRevenue: 0,
+  };
+}
+
+const methodology = {
+  Fees: "fees charged on buys/sells (usually 3%)",
+  Revenue: "1% fee to fund further development of Myriad Markets",
+  ProtocolRevenue: "All revenue go to the protocol",
+  SupplySideRevenue: "1% fee to reward liquidity providers & 1% fee to the distributors",
+};
+
+const breakdownMethodology = {
+  Fees: {
+    'BuyFee': 'Fee charged while buying',
+    'SellFee': 'Fee charged while selling',
+  },
+  Revenue: {
+    'TreasuryFee': 'Part of trading fee that goes to the protocol treasury',
+  },
+  SupplySideRevenue: {
+    'DistributorFee': 'Cut from trading fees to the distributors',
+    'LPFee': 'Cut from trading fees to the Liquidity providers',
+  },
+}
+
+
+const adapter: SimpleAdapter = {
+  version: 2,
+  fetch,
+  breakdownMethodology,
+  adapter: {
+    [CHAIN.ABSTRACT]: { start: '2025-07-06', },
+    [CHAIN.LINEA]: { start: '2025-08-01', },
+  },
+  methodology
+};
+
+export default adapter;