import asyncio import os import struct from typing import Final import base58 import pump_v2 import tx_status from dotenv import load_dotenv from solana.rpc.async_api import AsyncClient from solana.rpc.commitment import Confirmed from solana.rpc.types import TxOpts from solders.compute_budget import set_compute_unit_limit, set_compute_unit_price from solders.instruction import AccountMeta, Instruction from solders.keypair import Keypair from solders.message import Message from solders.pubkey import Pubkey from solders.transaction import Transaction from spl.token.instructions import ( create_idempotent_associated_token_account, get_associated_token_address, ) # Configuration for the token to be created TOKEN_NAME = "Test Token" TOKEN_SYMBOL = "TEST" TOKEN_URI = "https://example.com/token.json" BUY_AMOUNT_SOL = 0.001 # Amount of SOL to spend on buying MAX_SLIPPAGE = 0.3 # 30% slippage PRIORITY_FEE_MICROLAMPORTS = 37_037 # Priority fee in microlamports COMPUTE_UNIT_LIMIT = 250_000 # Compute unit limit for the transaction load_dotenv() # Global constants from existing codebase PUMP_PROGRAM: Final[Pubkey] = Pubkey.from_string( "6EF8rrecthR5Dkzon8Nwu78hRvfCKubJ14M5uBEwF6P" ) PUMP_GLOBAL: Final[Pubkey] = Pubkey.from_string( "4wTV1YmiEkRvAtNtsSGPtUrqRYQMe5SKy2uB4Jjaxnjf" ) PUMP_EVENT_AUTHORITY: Final[Pubkey] = Pubkey.from_string( "Ce6TQqeHC9p8KetsN6JsjHK7UTZk7nasjjnr7XxXp9F1" ) PUMP_FEE: Final[Pubkey] = Pubkey.from_string( "CebN5WGQ4jvEPvsVU4EoHEpgzq1VV7AbicfhtW4xC9iM" ) PUMP_FEE_PROGRAM: Final[Pubkey] = Pubkey.from_string( "pfeeUxB6jkeY1Hxd7CsFCAjcbHA9rWtchMGdZ6VojVZ" ) PUMP_MINT_AUTHORITY: Final[Pubkey] = Pubkey.from_string( "TSLvdd1pWpHVjahSpsvCXUbgwsL3JAcvokwaKt1eokM" ) SYSTEM_PROGRAM: Final[Pubkey] = Pubkey.from_string("11111111111111111111111111111111") SYSTEM_TOKEN_PROGRAM: Final[Pubkey] = Pubkey.from_string( "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA" ) SYSTEM_ASSOCIATED_TOKEN_ACCOUNT_PROGRAM: Final[Pubkey] = Pubkey.from_string( "ATokenGPvbdGVxr1b2hvZbsiqW5xWH25efTNsLJA8knL" ) SYSTEM_RENT: Final[Pubkey] = Pubkey.from_string( "SysvarRent111111111111111111111111111111111" ) METAPLEX_TOKEN_METADATA: Final[Pubkey] = Pubkey.from_string( "metaqbxxUerdq28cj1RbAWkYQm3ybzjb6a8bt518x1s" ) LAMPORTS_PER_SOL: Final[int] = 1_000_000_000 TOKEN_DECIMALS: Final[int] = 6 # Discriminators CREATE_DISCRIMINATOR: Final[bytes] = struct.pack(" tuple[Pubkey, int]: """Find the bonding curve PDA for a mint.""" return Pubkey.find_program_address([b"bonding-curve", bytes(mint)], PUMP_PROGRAM) def find_associated_bonding_curve(mint: Pubkey, bonding_curve: Pubkey) -> Pubkey: """Find the associated bonding curve token account.""" derived_address, _ = Pubkey.find_program_address( [ bytes(bonding_curve), bytes(SYSTEM_TOKEN_PROGRAM), bytes(mint), ], SYSTEM_ASSOCIATED_TOKEN_ACCOUNT_PROGRAM, ) return derived_address def find_metadata_address(mint: Pubkey) -> Pubkey: """Find the metadata PDA for a mint.""" derived_address, _ = Pubkey.find_program_address( [ b"metadata", bytes(METAPLEX_TOKEN_METADATA), bytes(mint), ], METAPLEX_TOKEN_METADATA, ) return derived_address def find_creator_vault(creator: Pubkey) -> Pubkey: """Find the creator vault PDA.""" derived_address, _ = Pubkey.find_program_address( [b"creator-vault", bytes(creator)], PUMP_PROGRAM, ) return derived_address def create_pump_create_instruction( mint: Pubkey, mint_authority: Pubkey, bonding_curve: Pubkey, associated_bonding_curve: Pubkey, global_state: Pubkey, metadata: Pubkey, user: Pubkey, creator: Pubkey, name: str, symbol: str, uri: str, ) -> Instruction: """Create the pump.fun create instruction.""" accounts = [ AccountMeta(pubkey=mint, is_signer=True, is_writable=True), AccountMeta(pubkey=mint_authority, is_signer=False, is_writable=False), AccountMeta(pubkey=bonding_curve, is_signer=False, is_writable=True), AccountMeta(pubkey=associated_bonding_curve, is_signer=False, is_writable=True), AccountMeta(pubkey=global_state, is_signer=False, is_writable=False), AccountMeta(pubkey=METAPLEX_TOKEN_METADATA, is_signer=False, is_writable=False), AccountMeta(pubkey=metadata, is_signer=False, is_writable=True), AccountMeta(pubkey=user, is_signer=True, is_writable=True), AccountMeta(pubkey=SYSTEM_PROGRAM, is_signer=False, is_writable=False), AccountMeta(pubkey=SYSTEM_TOKEN_PROGRAM, is_signer=False, is_writable=False), AccountMeta( pubkey=SYSTEM_ASSOCIATED_TOKEN_ACCOUNT_PROGRAM, is_signer=False, is_writable=False, ), AccountMeta(pubkey=SYSTEM_RENT, is_signer=False, is_writable=False), AccountMeta(pubkey=PUMP_EVENT_AUTHORITY, is_signer=False, is_writable=False), AccountMeta(pubkey=PUMP_PROGRAM, is_signer=False, is_writable=False), ] # Encode string as length-prefixed def encode_string(s: str) -> bytes: encoded = s.encode("utf-8") return struct.pack(" bytes: return bytes(pubkey) data = ( CREATE_DISCRIMINATOR + encode_string(name) + encode_string(symbol) + encode_string(uri) + encode_pubkey(creator) ) return Instruction(PUMP_PROGRAM, data, accounts) def create_extend_account_instruction( bonding_curve: Pubkey, user: Pubkey, ) -> Instruction: """Create the extend_account instruction to expand bonding curve account size.""" accounts = [ AccountMeta(pubkey=bonding_curve, is_signer=False, is_writable=True), AccountMeta(pubkey=user, is_signer=True, is_writable=True), AccountMeta(pubkey=SYSTEM_PROGRAM, is_signer=False, is_writable=False), AccountMeta(pubkey=PUMP_EVENT_AUTHORITY, is_signer=False, is_writable=False), AccountMeta(pubkey=PUMP_PROGRAM, is_signer=False, is_writable=False), ] # No arguments for extend_account instruction data = EXTEND_ACCOUNT_DISCRIMINATOR return Instruction(PUMP_PROGRAM, data, accounts) def create_buy_instruction( global_state: Pubkey, fee_recipient: Pubkey, mint: Pubkey, bonding_curve: Pubkey, associated_bonding_curve: Pubkey, associated_user: Pubkey, user: Pubkey, creator_vault: Pubkey, token_amount: int, max_sol_cost: int, track_volume: bool = True, is_mayhem_mode: bool = False, ) -> Instruction: """Create the buy instruction (buy_v2). The signature is unchanged for callers, but this builds `buy_v2` with its 27 mandatory accounts. Several parameters are accepted only for backwards compatibility and are derived or dropped internally: buy_v2 takes no track_volume argument, and pump_v2 selects the fee recipient from the documented set. This script mints the coin with `creator = payer`, so the buyer is also the creator. Args: global_state: Unused; pump_v2 uses the canonical global PDA fee_recipient: Unused; pump_v2 selects from the documented set mint: Base token mint just created bonding_curve: Unused; derived from the mint associated_bonding_curve: Unused; derived associated_user: Unused; derived user: Buyer, and the coin's creator in this script creator_vault: Unused; derived from the creator token_amount: Base tokens to buy, raw units max_sol_cost: Spend cap in lamports track_volume: Ignored; volume tracking is unconditional under buy_v2 is_mayhem_mode: Mayhem coins must use a *reserved* fee recipient; passing this wrong makes the program reject the buy with NotAuthorized (6000) Returns: The buy_v2 instruction """ return pump_v2.build_buy_v2_instruction( base_mint=mint, creator=user, user=user, token_amount_raw=token_amount, max_quote_cost_raw=max_sol_cost, quote_mint=pump_v2.WSOL_MINT, is_mayhem_mode=is_mayhem_mode, base_token_program=SYSTEM_TOKEN_PROGRAM, ) async def main(): """Create and buy pump.fun token in a single transaction.""" private_key_bytes = base58.b58decode(PRIVATE_KEY) payer = Keypair.from_bytes(private_key_bytes) mint_keypair = Keypair() print("Creating token with:") print(f" Name: {TOKEN_NAME}") print(f" Symbol: {TOKEN_SYMBOL}") print(f" Mint: {mint_keypair.pubkey()}") print(f" Creator: {payer.pubkey()}") # Derive PDAs bonding_curve, _ = find_bonding_curve_address(mint_keypair.pubkey()) associated_bonding_curve = find_associated_bonding_curve( mint_keypair.pubkey(), bonding_curve ) metadata = find_metadata_address(mint_keypair.pubkey()) user_ata = get_associated_token_address(payer.pubkey(), mint_keypair.pubkey()) creator_vault = find_creator_vault(payer.pubkey()) print("\nDerived addresses:") print(f" Bonding curve: {bonding_curve}") print(f" Associated bonding curve: {associated_bonding_curve}") print(f" Metadata: {metadata}") print(f" User ATA: {user_ata}") print(f" Creator vault: {creator_vault}") # Calculate buy parameters # For pump.fun, we need to calculate expected tokens based on initial curve state # Initial virtual reserves (from pump.fun constants) initial_virtual_token_reserves = 1_073_000_000 * 10**TOKEN_DECIMALS initial_virtual_sol_reserves = 30 * LAMPORTS_PER_SOL initial_price = initial_virtual_sol_reserves / initial_virtual_token_reserves buy_amount_lamports = int(BUY_AMOUNT_SOL * LAMPORTS_PER_SOL) expected_tokens = int( (buy_amount_lamports * 0.99) / initial_price ) # 1% buffer for fees max_sol_cost = int(buy_amount_lamports * (1 + MAX_SLIPPAGE)) print("\nBuy parameters:") print(f" Buy amount: {BUY_AMOUNT_SOL} SOL") print(f" Expected tokens: {expected_tokens / 10**TOKEN_DECIMALS:.6f}") print(f" Max SOL cost: {max_sol_cost / LAMPORTS_PER_SOL:.6f} SOL") instructions = [ # Priority fee instructions set_compute_unit_limit(COMPUTE_UNIT_LIMIT), set_compute_unit_price(PRIORITY_FEE_MICROLAMPORTS), # Create token with pump.fun (this will handle mint account, metadata, etc.) create_pump_create_instruction( mint=mint_keypair.pubkey(), mint_authority=PUMP_MINT_AUTHORITY, bonding_curve=bonding_curve, associated_bonding_curve=associated_bonding_curve, global_state=PUMP_GLOBAL, metadata=metadata, user=payer.pubkey(), creator=payer.pubkey(), name=TOKEN_NAME, symbol=TOKEN_SYMBOL, uri=TOKEN_URI, ), # Extend bonding curve account (required for frontend visibility) create_extend_account_instruction( bonding_curve=bonding_curve, user=payer.pubkey(), ), ] # buy_v2's 27 accounts push a combined create+buy message past Solana's # 1232-byte packet limit (measured 1972 bytes for the v2 pair), so the buy # goes in a second transaction. The legacy 18-account buy used to fit; # recovering atomicity would need an address lookup table. buy_instructions = [ create_idempotent_associated_token_account( payer.pubkey(), payer.pubkey(), mint_keypair.pubkey(), SYSTEM_TOKEN_PROGRAM, ), create_buy_instruction( global_state=PUMP_GLOBAL, fee_recipient=PUMP_FEE, mint=mint_keypair.pubkey(), bonding_curve=bonding_curve, associated_bonding_curve=associated_bonding_curve, associated_user=user_ata, user=payer.pubkey(), creator_vault=creator_vault, token_amount=expected_tokens, max_sol_cost=max_sol_cost, track_volume=True, ), ] # Send transaction async with AsyncClient(RPC_ENDPOINT) as client: recent_blockhash = await client.get_latest_blockhash() message = Message(instructions, payer.pubkey()) transaction = Transaction( [payer, mint_keypair], message, recent_blockhash.value.blockhash ) print("\nSending create transaction...") opts = TxOpts(skip_preflight=True, preflight_commitment=Confirmed) try: response = await client.send_transaction(transaction, opts) tx_hash = response.value print(f"Create sent: https://solscan.io/tx/{tx_hash}") print("Waiting for confirmation...") await client.confirm_transaction(tx_hash, commitment="confirmed") await tx_status.assert_transaction_succeeded(client, tx_hash) print("Create confirmed!") buy_blockhash = await client.get_latest_blockhash() buy_tx = Transaction( [payer], Message(buy_instructions, payer.pubkey()), buy_blockhash.value.blockhash, ) print("\nSending buy transaction (buy_v2)...") buy_response = await client.send_transaction(buy_tx, opts) buy_hash = buy_response.value print(f"Buy sent: https://solscan.io/tx/{buy_hash}") await client.confirm_transaction(buy_hash, commitment="confirmed") await tx_status.assert_transaction_succeeded(client, buy_hash) print("Buy confirmed!") return tx_hash except Exception as e: print(f"Transaction failed: {e}") raise if __name__ == "__main__": asyncio.run(main())