Track Monad fees

Author: iamvukasin

fees/monad/index.ts

@@ -0,0 +1,82 @@
+import { Adapter, FetchOptions, ProtocolType } from "../../adapters/types";
+import { CHAIN } from "../../helpers/chains";
+import { METRIC } from "../../helpers/metrics";
+import { queryIndexer } from '../../helpers/indexer';
+
+const fetch = async (options: FetchOptions) => {
+  const toBlock = await options.getToBlock()
+  const fromBlock = await options.getFromBlock()
+  const monadTx: any = await queryIndexer(`
+    SELECT
+      SUM(
+        CASE WHEN (TYPE = 0
+          OR TYPE = 1
+          OR TYPE = 4) THEN
+          gas_price * t.gas_limit / 1e18
+        WHEN TYPE = 2
+          AND base_fee_per_gas + t.max_priority_fee_per_gas <= t.max_fee_per_gas THEN
+          (base_fee_per_gas + t.max_priority_fee_per_gas) * t.gas_limit / 1e18
+        WHEN TYPE = 2
+          AND base_fee_per_gas + max_priority_fee_per_gas > max_fee_per_gas THEN
+          ((max_fee_per_gas) * (t.gas_limit)) / 1e18
+        END) AS txn_fees
+    FROM
+      monad.transactions t
+      LEFT JOIN monad.blocks b ON block_number = number
+      WHERE t.block_time BETWEEN llama_replace_date_range;`, options);
+  const monadTxBurn: any = await queryIndexer(`
+    SELECT
+      SUM(eb.base_fee_per_gas * eb.gas_limit/1e18) AS daily_mon_burned
+    FROM monad.blocks AS eb
+    WHERE eb.base_fee_per_gas IS NOT NULL
+      AND eb.gas_limit IS NOT NULL
+      and eb.number > ${fromBlock} and eb.number < ${toBlock}`, options);
+
+  const dailyFees = options.createBalances()
+  const dailyRevenue = options.createBalances()
+
+  const totalFees = Number(monadTx[0].txn_fees)
+  const baseFees = Number(monadTxBurn[0]['daily_mon_burned'])
+  const priorityFees = totalFees - baseFees
+
+  dailyFees.addGasToken(baseFees * 10 ** 18, METRIC.TRANSACTION_BASE_FEES)
+  dailyFees.addGasToken(priorityFees * 10 ** 18, METRIC.TRANSACTION_PRIORITY_FEES)
+
+  dailyRevenue.addGasToken(baseFees * 10 ** 18, METRIC.TRANSACTION_BASE_FEES)
+  
+  return {
+    dailyFees,
+    dailyRevenue,
+    dailyHoldersRevenue: dailyRevenue,
+  };
+};
+
+const adapter: Adapter = {
+  version: 2,
+  adapter: {
+    [CHAIN.MONAD]: {
+      fetch,
+      start: '2025-11-24',
+    },
+  },
+  protocolType: ProtocolType.CHAIN,
+  methodology: {
+    Fees: 'Total MON gas fees (including base fees and priority fees) paid by users',
+    Revenue: 'Amount of MON base fees that were burned',
+    HoldersRevenue: 'Amount of MON base fees that were burned',
+  },
+  breakdownMethodology: {
+    Fees: {
+      [METRIC.TRANSACTION_BASE_FEES]: 'Total MON base fees paid by users',
+      [METRIC.TRANSACTION_PRIORITY_FEES]: 'Total MON priority fees paid by users',
+    },
+    Revenue: {
+      [METRIC.TRANSACTION_BASE_FEES]: 'Total MON base fees will be burned',
+    },
+    HoldersRevenue: {
+      [METRIC.TRANSACTION_BASE_FEES]: 'Total MON base fees will be burned',
+    },
+  }
+}
+
+export default adapter;