feat: create buy script for solana tokens

market/market.ts

@@ -0,0 +1,41 @@
+import { Connection, PublicKey } from '@solana/web3.js';
+import {
+  MARKET_STATE_LAYOUT_V3,
+} from '@raydium-io/raydium-sdk';
+import { USDC_TOKEN_ID } from '../common';
+import {
+  OPENBOOK_PROGRAM_ID,
+
+} from '../liquidity';
+
+export type MinimalOpenBookAccountData = {
+  id: PublicKey;
+  programId: PublicKey;
+};
+
+export async function getAllMarketsV3(
+  connection: Connection,
+): Promise<MinimalOpenBookAccountData[]> {
+  const { span } = MARKET_STATE_LAYOUT_V3;
+  const accounts = await connection.getProgramAccounts(OPENBOOK_PROGRAM_ID, {
+    dataSlice: { offset: 0, length: 0 },
+    commitment: 'processed',
+    filters: [
+      { dataSize: span },
+      {
+        memcmp: {
+          offset: MARKET_STATE_LAYOUT_V3.offsetOf('quoteMint'),
+          bytes: USDC_TOKEN_ID.toBase58(),
+        },
+      },
+    ],
+  });
+
+  return accounts.map(
+    (info) =>
+      <MinimalOpenBookAccountData>{
+        id: info.pubkey,
+        programId: OPENBOOK_PROGRAM_ID,
+      },
+  );
+}