feat: create buy script for solana tokens

.gitignore

@@ -128,3 +128,6 @@ dist
 .yarn/build-state.yml
 .yarn/install-state.gz
 .pnp.*
+
+
+.idea

.prettierrc

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+{
+  "singleQuote": true,
+  "trailingComma": "all"
+}

LICENSE.md

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+Microsoft Public License (Ms-PL)
+
+This license governs use of the accompanying software. If you use the software, you
+accept this license. If you do not accept the license, do not use the software.
+
+1. Definitions
+   The terms "reproduce," "reproduction," "derivative works," and "distribution" have the
+   same meaning here as under U.S. copyright law.
+   A "contribution" is the original software, or any additions or changes to the software.
+   A "contributor" is any person that distributes its contribution under this license.
+   "Licensed patents" are a contributor's patent claims that read directly on its contribution.
+
+2. Grant of Rights
+   (A) Copyright Grant- Subject to the terms of this license, including the license conditions and limitations in section 3, each contributor grants you a non-exclusive, worldwide, royalty-free copyright license to reproduce its contribution, prepare derivative works of its contribution, and distribute its contribution or any derivative works that you create.
+   (B) Patent Grant- Subject to the terms of this license, including the license conditions and limitations in section 3, each contributor grants you a non-exclusive, worldwide, royalty-free license under its licensed patents to make, have made, use, sell, offer for sale, import, and/or otherwise dispose of its contribution in the software or derivative works of the contribution in the software.
+
+3. Conditions and Limitations
+   (A) No Trademark License- This license does not grant you rights to use any contributors' name, logo, or trademarks.
+   (B) If you bring a patent claim against any contributor over patents that you claim are infringed by the software, your patent license from such contributor to the software ends automatically.
+   (C) If you distribute any portion of the software, you must retain all copyright, patent, trademark, and attribution notices that are present in the software.
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+   (E) The software is licensed "as-is." You bear the risk of using it. The contributors give no express warranties, guarantees or conditions. You may have additional consumer rights under your local laws which this license cannot change. To the extent permitted under your local laws, the contributors exclude the implied warranties of merchantability, fitness for a particular purpose and non-infringement.

README.md

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+# Solana Sniper Bot - Proof of concept - 2023-04-20
+
+TODO

buy.ts

@@ -0,0 +1,249 @@
+import {
+  Liquidity,
+  LIQUIDITY_STATE_LAYOUT_V4,
+  MARKET_STATE_LAYOUT_V2,
+} from '@raydium-io/raydium-sdk';
+import { getOrCreateAssociatedTokenAccount } from '@solana/spl-token';
+import {
+  Keypair,
+  Connection,
+  PublicKey,
+  ComputeBudgetProgram,
+  KeyedAccountInfo,
+  TransactionMessage,
+  VersionedTransaction,
+} from '@solana/web3.js';
+import secret from './wallet.json';
+import {
+  getAllAccountsV4,
+  getTokenAccounts,
+  getAccountPoolKeysFromAccountDataV4,
+  RAYDIUM_LIQUIDITY_PROGRAM_ID_V4,
+  OPENBOOK_PROGRAM_ID,
+} from './liquidity';
+import { retry } from './utils';
+import { USDC_AMOUNT, USDC_TOKEN_ID } from './common';
+import { getAllMarketsV3 } from './market';
+import pino from 'pino';
+
+export const logger = pino(
+  {
+    redact: ['poolKeys'],
+    base: undefined,
+  },
+  pino.destination('buy.log'),
+);
+
+const network = 'mainnet-beta';
+const solanaConnection = new Connection(
+  'ENTER RPC ENDPOINT HERE',
+  {
+    wsEndpoint:
+     'ENTER RPC WEBSOCKET ENDPOINT HERE',
+  },
+);
+
+export type MinimalTokenAccountData = {
+  mint: PublicKey;
+  address: PublicKey;
+};
+
+let existingLiquidityPools: Set<string> = new Set<string>();
+let existingOpenBookMarkets: Set<string> = new Set<string>();
+let existingTokenAccounts: Map<string, MinimalTokenAccountData> = new Map<
+  string,
+  MinimalTokenAccountData
+>();
+
+let wallet: Keypair;
+let usdcTokenKey: PublicKey;
+
+async function init(): Promise<void> {
+  wallet = Keypair.fromSecretKey(new Uint8Array(secret));
+  logger.info(`Wallet Address: ${wallet.publicKey.toString()}`);
+  const allLiquidityPools = await getAllAccountsV4(solanaConnection);
+  existingLiquidityPools = new Set(
+    allLiquidityPools.map((p) => p.id.toString()),
+  );
+  const allMarkets = await getAllMarketsV3(solanaConnection);
+  existingOpenBookMarkets = new Set(allMarkets.map((p) => p.id.toString()));
+  const tokenAccounts = await getTokenAccounts(
+    solanaConnection,
+    wallet.publicKey,
+  );
+  logger.info(`Total USDC markets ${existingOpenBookMarkets.size}`);
+  logger.info(`Total USDC pools ${existingLiquidityPools.size}`);
+  tokenAccounts.forEach((ta) => {
+    existingTokenAccounts.set(ta.accountInfo.mint.toString(), <
+      MinimalTokenAccountData
+    >{
+      mint: ta.accountInfo.mint,
+      address: ta.pubkey,
+    });
+  });
+  const token = tokenAccounts.find(
+    (acc) => acc.accountInfo.mint.toString() === USDC_TOKEN_ID.toString(),
+  )!;
+  usdcTokenKey = token!.pubkey;
+}
+
+export async function processRaydiumPool(updatedAccountInfo: KeyedAccountInfo) {
+  let accountData: any;
+  try {
+    accountData = LIQUIDITY_STATE_LAYOUT_V4.decode(
+      updatedAccountInfo.accountInfo.data,
+    );
+    await buy(updatedAccountInfo.accountId, accountData);
+  } catch (e) {
+    logger.error({ ...accountData, error: e }, `Failed to process pool`);
+  }
+}
+
+export async function processOpenBookMarket(
+  updatedAccountInfo: KeyedAccountInfo,
+) {
+  let accountData: any;
+  try {
+    accountData = MARKET_STATE_LAYOUT_V2.decode(
+      updatedAccountInfo.accountInfo.data,
+    );
+
+    // to be competitive, we create token account before buying the token...
+    if (existingTokenAccounts.has(accountData.baseMint.toString())) {
+      return;
+    }
+
+    const destinationAccount = await getOrCreateAssociatedTokenAccount(
+      solanaConnection,
+      wallet,
+      accountData.baseMint,
+      wallet.publicKey,
+    );
+    existingTokenAccounts.set(accountData.baseMint.toString(), <
+      MinimalTokenAccountData
+    >{
+      address: destinationAccount.address,
+      mint: destinationAccount.mint,
+    });
+    logger.info(
+      accountData,
+      `Created destination account: ${destinationAccount.address}`,
+    );
+  } catch (e) {
+    logger.error({ ...accountData, error: e }, `Failed to process market`);
+  }
+}
+
+async function buy(accountId: PublicKey, accountData: any): Promise<void> {
+  const [poolKeys, latestBlockhash] = await Promise.all([
+    getAccountPoolKeysFromAccountDataV4(
+      solanaConnection,
+      accountId,
+      accountData,
+    ),
+    solanaConnection.getLatestBlockhash({ commitment: 'processed' }),
+  ]);
+
+  const { innerTransaction, address } = Liquidity.makeSwapFixedInInstruction(
+    {
+      poolKeys,
+      userKeys: {
+        tokenAccountIn: usdcTokenKey,
+        tokenAccountOut: existingTokenAccounts.get(
+          poolKeys.baseMint.toString(),
+        )!.address,
+        owner: wallet.publicKey,
+      },
+      amountIn: USDC_AMOUNT * 1000000,
+      minAmountOut: 0,
+    },
+    poolKeys.version,
+  );
+
+  const messageV0 = new TransactionMessage({
+    payerKey: wallet.publicKey,
+    recentBlockhash: latestBlockhash.blockhash,
+    instructions: [
+      ComputeBudgetProgram.setComputeUnitLimit({ units: 400000 }),
+      ComputeBudgetProgram.setComputeUnitPrice({ microLamports: 30000 }),
+      ...innerTransaction.instructions,
+    ],
+  }).compileToV0Message();
+  const transaction = new VersionedTransaction(messageV0);
+  transaction.sign([wallet, ...innerTransaction.signers]);
+  const rawTransaction = transaction.serialize();
+  const signature = await retry(
+    () =>
+      solanaConnection.sendRawTransaction(rawTransaction, {
+        skipPreflight: true,
+      }),
+    { retryIntervalMs: 10, retries: 50 }, // TODO handle retries more efficiently
+  );
+  logger.info(
+    {
+      ...accountData,
+      url: `https://solscan.io/tx/${signature}?cluster=${network}`,
+    },
+    'Buy',
+  );
+}
+
+const runListener = async () => {
+  await init();
+  const raydiumSubscriptionId = solanaConnection.onProgramAccountChange(
+    RAYDIUM_LIQUIDITY_PROGRAM_ID_V4,
+    async (updatedAccountInfo) => {
+      const existing = existingLiquidityPools.has(
+        updatedAccountInfo.accountId.toString(),
+      );
+      if (!existing) {
+        existingLiquidityPools.add(updatedAccountInfo.accountId.toString());
+        const _ = processRaydiumPool(updatedAccountInfo);
+      }
+    },
+    'processed',
+    [
+      { dataSize: LIQUIDITY_STATE_LAYOUT_V4.span },
+      {
+        memcmp: {
+          offset: LIQUIDITY_STATE_LAYOUT_V4.offsetOf('quoteMint'),
+          bytes: USDC_TOKEN_ID.toBase58(),
+        },
+      },
+      {
+        memcmp: {
+          offset: LIQUIDITY_STATE_LAYOUT_V4.offsetOf('marketProgramId'),
+          bytes: OPENBOOK_PROGRAM_ID.toBase58(),
+        },
+      },
+    ],
+  );
+
+  const openBookSubscriptionId = solanaConnection.onProgramAccountChange(
+    OPENBOOK_PROGRAM_ID,
+    async (updatedAccountInfo) => {
+      const existing = existingOpenBookMarkets.has(
+        updatedAccountInfo.accountId.toString(),
+      );
+      if (!existing) {
+        existingOpenBookMarkets.add(updatedAccountInfo.accountId.toString());
+        const _ = processOpenBookMarket(updatedAccountInfo);
+      }
+    },
+    'processed',
+    [
+      { dataSize: MARKET_STATE_LAYOUT_V2.span },
+      {
+        memcmp: {
+          offset: MARKET_STATE_LAYOUT_V2.offsetOf('quoteMint'),
+          bytes: USDC_TOKEN_ID.toBase58(),
+        },
+      },
+    ],
+  );
+
+  logger.info(`Listening for raydium changes: ${raydiumSubscriptionId}`);
+  logger.info(`Listening for open book changes: ${openBookSubscriptionId}`);
+};
+
+runListener();

common/constants.ts

@@ -0,0 +1,6 @@
+import { PublicKey } from "@solana/web3.js";
+
+export const USDC_AMOUNT = 0.1; // how much do we spend on each token
+export const USDC_TOKEN_ID = new PublicKey(
+  'EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v',
+);

common/index.ts

@@ -0,0 +1 @@
+export * from './constants';

liquidity/index.ts

@@ -0,0 +1 @@
+export * from './liquidity';

liquidity/liquidity.ts

@@ -0,0 +1,137 @@
+import { Commitment, Connection, PublicKey } from '@solana/web3.js';
+import {
+  Liquidity,
+  LIQUIDITY_STATE_LAYOUT_V4,
+  LiquidityPoolKeys,
+  Market,
+  TokenAccount,
+  SPL_ACCOUNT_LAYOUT,
+  publicKey,
+  struct,
+  MAINNET_PROGRAM_ID,
+} from '@raydium-io/raydium-sdk';
+import { TOKEN_PROGRAM_ID } from '@solana/spl-token';
+import { USDC_TOKEN_ID } from '../common';
+
+export const RAYDIUM_LIQUIDITY_PROGRAM_ID_V4 = MAINNET_PROGRAM_ID.AmmV4;
+export const OPENBOOK_PROGRAM_ID = MAINNET_PROGRAM_ID.OPENBOOK_MARKET;
+
+export const MINIMAL_MARKET_STATE_LAYOUT_V3 = struct([
+  publicKey('eventQueue'),
+  publicKey('bids'),
+  publicKey('asks'),
+]);
+
+export type MinimalLiquidityAccountData = {
+  id: PublicKey;
+  version: 4;
+  programId: PublicKey;
+};
+
+export async function getAllAccountsV4(
+  connection: Connection,
+): Promise<MinimalLiquidityAccountData[]> {
+  const { span } = LIQUIDITY_STATE_LAYOUT_V4;
+  const accounts = await connection.getProgramAccounts(
+    RAYDIUM_LIQUIDITY_PROGRAM_ID_V4,
+    {
+      dataSlice: { offset: 0, length: 0 },
+      commitment: 'processed',
+      filters: [
+        { dataSize: span },
+        {
+          memcmp: {
+            offset: LIQUIDITY_STATE_LAYOUT_V4.offsetOf('quoteMint'),
+            bytes: USDC_TOKEN_ID.toBase58(),
+          },
+        },
+        {
+          memcmp: {
+            offset: LIQUIDITY_STATE_LAYOUT_V4.offsetOf('marketProgramId'),
+            bytes: OPENBOOK_PROGRAM_ID.toBase58(),
+          },
+        },
+      ],
+    },
+  );
+
+  return accounts.map(
+    (info) =>
+      <MinimalLiquidityAccountData>{
+        id: info.pubkey,
+        version: 4,
+        programId: RAYDIUM_LIQUIDITY_PROGRAM_ID_V4,
+      },
+  );
+}
+
+export async function getAccountPoolKeysFromAccountDataV4(
+  connection: Connection,
+  id: PublicKey,
+  accountData: any,
+  commitment?: Commitment,
+): Promise<LiquidityPoolKeys> {
+  const marketInfo = await connection.getAccountInfo(accountData.marketId, {
+    commitment: commitment ?? 'processed',
+    dataSlice: {
+      offset: 253, // eventQueue
+      length: 32 * 3,
+    },
+  });
+
+  const minimalMarketData = MINIMAL_MARKET_STATE_LAYOUT_V3.decode(
+    marketInfo!.data,
+  );
+
+  return {
+    id,
+    baseMint: accountData.baseMint,
+    quoteMint: accountData.quoteMint,
+    lpMint: accountData.lpMint,
+    baseDecimals: accountData.baseDecimal.toNumber(),
+    quoteDecimals: accountData.quoteDecimal.toNumber(),
+    lpDecimals: 5,
+    version: 4,
+    programId: RAYDIUM_LIQUIDITY_PROGRAM_ID_V4,
+    authority: Liquidity.getAssociatedAuthority({
+      programId: RAYDIUM_LIQUIDITY_PROGRAM_ID_V4,
+    }).publicKey,
+    openOrders: accountData.openOrders,
+    targetOrders: accountData.targetOrders,
+    baseVault: accountData.baseVault,
+    quoteVault: accountData.quoteVault,
+    marketVersion: 3,
+    marketProgramId: accountData.marketProgramId,
+    marketId: accountData.marketId,
+    marketAuthority: Market.getAssociatedAuthority({
+      programId: accountData.marketProgramId,
+      marketId: accountData.marketId,
+    }).publicKey,
+    marketBaseVault: accountData.baseVault,
+    marketQuoteVault: accountData.quoteVault,
+    marketBids: minimalMarketData.bids,
+    marketAsks: minimalMarketData.asks,
+    marketEventQueue: minimalMarketData.eventQueue,
+    withdrawQueue: accountData.withdrawQueue,
+    lpVault: accountData.lpVault,
+  };
+}
+
+export async function getTokenAccounts(
+  connection: Connection,
+  owner: PublicKey,
+) {
+  const tokenResp = await connection.getTokenAccountsByOwner(owner, {
+    programId: TOKEN_PROGRAM_ID,
+  });
+
+  const accounts: TokenAccount[] = [];
+  for (const { pubkey, account } of tokenResp.value) {
+    accounts.push({
+      pubkey,
+      accountInfo: SPL_ACCOUNT_LAYOUT.decode(account.data),
+    });
+  }
+
+  return accounts;
+}

market/index.ts

@@ -0,0 +1 @@
+export * from './market';

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,
+      },
+  );
+}

package.json

@@ -0,0 +1,20 @@
+{
+  "name": "solana-sniper-bot",
+  "author": "Filip Dundjer",
+  "scripts": {
+    "buy": "ts-node buy.ts"
+  },
+  "dependencies": {
+    "@raydium-io/raydium-sdk": "^1.3.0-beta.17",
+    "@solana/spl-token": "^0.3.7",
+    "bigint-buffer": "^1.1.5",
+    "bn.js": "^5.2.1",
+    "pino": "^8.14.1"
+  },
+  "devDependencies": {
+    "@types/bn.js": "^5.1.1",
+    "prettier": "^2.8.8",
+    "ts-node": "^10.9.1",
+    "typescript": "^5.0.4"
+  }
+}

tsconfig.json

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+    // "allowSyntheticDefaultImports": true,             /* Allow 'import x from y' when a module doesn't have a default export. */
+    "esModuleInterop": true,                             /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
+    // "preserveSymlinks": true,                         /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */
+    "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */
+
+    /* Type Checking */
+    "strict": true,                                      /* Enable all strict type-checking options. */
+    // "noImplicitAny": true,                            /* Enable error reporting for expressions and declarations with an implied 'any' type. */
+    // "strictNullChecks": true,                         /* When type checking, take into account 'null' and 'undefined'. */
+    // "strictFunctionTypes": true,                      /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
+    // "strictBindCallApply": true,                      /* Check that the arguments for 'bind', 'call', and 'apply' methods match the original function. */
+    // "strictPropertyInitialization": true,             /* Check for class properties that are declared but not set in the constructor. */
+    // "noImplicitThis": true,                           /* Enable error reporting when 'this' is given the type 'any'. */
+    // "useUnknownInCatchVariables": true,               /* Default catch clause variables as 'unknown' instead of 'any'. */
+    // "alwaysStrict": true,                             /* Ensure 'use strict' is always emitted. */
+    // "noUnusedLocals": true,                           /* Enable error reporting when local variables aren't read. */
+    // "noUnusedParameters": true,                       /* Raise an error when a function parameter isn't read. */
+    // "exactOptionalPropertyTypes": true,               /* Interpret optional property types as written, rather than adding 'undefined'. */
+    // "noImplicitReturns": true,                        /* Enable error reporting for codepaths that do not explicitly return in a function. */
+    // "noFallthroughCasesInSwitch": true,               /* Enable error reporting for fallthrough cases in switch statements. */
+    // "noUncheckedIndexedAccess": true,                 /* Add 'undefined' to a type when accessed using an index. */
+    // "noImplicitOverride": true,                       /* Ensure overriding members in derived classes are marked with an override modifier. */
+    // "noPropertyAccessFromIndexSignature": true,       /* Enforces using indexed accessors for keys declared using an indexed type. */
+    // "allowUnusedLabels": true,                        /* Disable error reporting for unused labels. */
+    // "allowUnreachableCode": true,                     /* Disable error reporting for unreachable code. */
+
+    /* Completeness */
+    // "skipDefaultLibCheck": true,                      /* Skip type checking .d.ts files that are included with TypeScript. */
+    "skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
+  }
+}

utils/index.ts

@@ -0,0 +1 @@
+export * from './utils';

utils/utils.ts

@@ -0,0 +1,25 @@
+/**
+ * Runs the function `fn`
+ * and retries automatically if it fails.
+ *
+ * Tries max `1 + retries` times
+ * with `retryIntervalMs` milliseconds between retries.
+ *
+ * From https://mtsknn.fi/blog/js-retry-on-fail/
+ */
+export const retry = async <T>(
+  fn: () => Promise<T> | T,
+  { retries, retryIntervalMs }: { retries: number; retryIntervalMs: number },
+): Promise<T> => {
+  try {
+    return await fn();
+  } catch (error) {
+    if (retries <= 0) {
+      throw error;
+    }
+    await sleep(retryIntervalMs);
+    return retry(fn, { retries: retries - 1, retryIntervalMs });
+  }
+};
+
+export const sleep = (ms = 0) => new Promise((resolve) => setTimeout(resolve, ms));

wallet.json

@@ -0,0 +1 @@
+[]