rubpy’s gists

rubpy / pfTradeEventLayout.ts

Created August 23, 2024 21:50

	import web3 from "@solana/web3.js";
	import * as BufferLayout from "@solana/buffer-layout";

	//////////////////////////////////////////////////

	export class BorshBoolean extends BufferLayout.Layout<boolean> {
	constructor(property?: string) {
	super(1, property);
	}

rubpy / estimateMevProbability.ts

Created August 20, 2024 15:06

	// --- `@solana/web3.js` v1 ---
	import web3 from '@solana/web3.js';

	(async (rpcUrl: string) => {
	const rpc = new web3.Connection(rpcUrl);

	const subject = new web3.PublicKey('j1oAbxxiDUWvoHxEDhWE7THLjEkDQW2cSHYn2vttxTF');
	const signatures = await rpc.getSignaturesForAddress(subject, {
	limit: 1000,
	}, 'finalized');

rubpy / enhanced-notifications.ts

Created August 14, 2024 19:50

	import type {
	Commitment,
	TransactionForAccounts,
	TransactionForFullBase58,
	TransactionForFullBase64,
	TransactionForFullJsonParsed,
	} from '@solana/rpc-types';
	import type { TransactionVersion } from '@solana/transaction-messages';
	import type { Address } from '@solana/addresses';
	import type { Signature } from '@solana/keys';

rubpy / monitorRaydiumSwapLogs.ts

Created August 1, 2024 23:16

	import web3 from "@solana/web3.js";
	import mmw from "@raydium-io/raydium-sdk";

	import QuickLRU from "quick-lru";

	//////////////////////////////////////////////////

	export const OPAQUE_SIGNATURE = "1111111111111111111111111111111111111111111111111111111111111111";

	export const SIGNATURE_PROGRAM = "Program ";

rubpy / decodePumpCreateInstruction.ts

Created July 27, 2024 00:56

	import web3 from "@solana/web3.js";
	import * as BufferLayout from "@solana/buffer-layout";
	import bs58 from "bs58";

	//////////////////////////////////////////////////

	class BorshString extends BufferLayout.Layout<string> {
	constructor(property?: string) {
	super(-1, property);
	}

rubpy / TokenAccountMonitor.ts

Created July 17, 2024 01:00

Crude example of a gRPC/WebSocket-based Solana token price monitor.

	import * as web3 from "@solana/web3.js";
	import * as spl from "@solana/spl-token";
	import bs58 from "bs58";

	import GeyserClient, {
	SubscribeRequest as GeyserSubscribeRequest,
	SubscribeUpdate as GeyserSubscribeUpdate,
	CommitmentLevel as GeyserCommitmentLevel,
	} from "@triton-one/yellowstone-grpc";
	import { ClientDuplexStream } from "@grpc/grpc-js";

rubpy / rpc_fetch_pump_global_state.ts

Created June 22, 2024 19:35

Tracking changes in Pump.fun global state (initialVirtualTokenReserves, initialVirtualSolReserves, initialRealTokenReserves, tokenTotalSupply, feeBasisPoints).

	import * as web3 from "@solana/web3.js";
	import bs58 from "bs58";

	//////////////////////////////////////////////////

	function readBytes(buf: Buffer, offset: number, length: number): Buffer {
	const end = offset + length;
	if (buf.byteLength < end) throw new RangeError("range out of bounds");
	return buf.subarray(offset, end);
	}

rubpy / rpc_fetch_token_mint_info.ts

Created June 20, 2024 21:16

Fetching basic token (mint) info (through getAccountInfo), e.g.: total supply, mintAuthority, freezeAuthority...

	import * as web3 from "@solana/web3.js";
	import { TOKEN_PROGRAM_ID, unpackMint, Mint } from "@solana/spl-token";

	//////////////////////////////////////////////////

	async function getTokenInfo(conn: web3.Connection, tokenMint: web3.PublicKey): Promise<Mint \| null> {
	const info = await conn.getAccountInfo(tokenMint);
	if (!info) return null;

	try {

rubpy / rpc_fetch_metaplex_token_metadata.ts

Created June 20, 2024 20:46

Fetching on-chain Metaplex token metadata (through lightweight getAccountInfo).

	import * as web3 from "@solana/web3.js";
	import {
	MPL_TOKEN_METADATA_PROGRAM_ID,
	MetadataAccountData as MplMetadataAccountData,
	getMetadataAccountDataSerializer,
	} from "@metaplex-foundation/mpl-token-metadata";

	//////////////////////////////////////////////////

	const METAPLEX_PROGRAM_ID = new web3.PublicKey(MPL_TOKEN_METADATA_PROGRAM_ID);

rubpy / pump_idl.json

Created June 20, 2024 19:52

Pump.fun program IDL (v0.1.0)

	{
	"version": "0.1.0",
	"name": "pump",
	"instructions": [
	{
	"name": "initialize",
	"docs": [ "Creates the global state." ],
	"accounts": [
	{ "name": "global" , "isMut": true , "isSigner": false },
	{ "name": "user" , "isMut": true , "isSigner": true },

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