🚀 Sol Trade SDK for Python

A comprehensive Python SDK for seamless Solana DEX trading

A high-performance Python SDK for low-latency Solana DEX trading bots. Built for speed and efficiency, it enables seamless, high-throughput interaction with PumpFun, Pump AMM (PumpSwap), Bonk, Meteora DAMM v2, Raydium AMM v4, and Raydium CPMM for latency-critical trading strategies.

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📋 Table of Contents

• ✨ Features
• 📦 Installation
• 🛠️ Usage Examples
  • 📋 Example Usage
  • ⚡ Trading Parameters
  • 📊 Usage Examples Summary Table
  • ⚙️ SWQoS Service Configuration
  • 🔧 Middleware System
  • 🔍 Address Lookup Tables
  • 🔍 Nonce Cache
• 💰 Cashback Support (PumpFun / PumpSwap)
• 🛡️ MEV Protection Services
• 📁 Project Structure
• 📄 License
• 💬 Contact
• ⚠️ Important Notes

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📦 SDK Versions

This SDK is available in multiple languages:

Language	Repository	Description
Rust	sol-trade-sdk	Ultra-low latency with zero-copy optimization
Node.js	sol-trade-sdk-nodejs	TypeScript/JavaScript for Node.js
Python	sol-trade-sdk-python	Async/await native support
Go	sol-trade-sdk-golang	Concurrent-safe with goroutine support

✨ Features

1. PumpFun Trading: Support for buy and sell operations
2. PumpSwap Trading: Support for PumpSwap pool trading operations
3. Bonk Trading: Support for Bonk trading operations
4. Raydium CPMM Trading: Support for Raydium CPMM (Concentrated Pool Market Maker) trading operations
5. Raydium AMM V4 Trading: Support for Raydium AMM V4 (Automated Market Maker) trading operations
6. Meteora DAMM V2 Trading: Support for Meteora DAMM V2 (Dynamic AMM) trading operations
7. Multiple MEV Protection: Support for Jito, Nextblock, ZeroSlot, Temporal, Bloxroute, FlashBlock, BlockRazor, Node1, Astralane and other services
8. Concurrent Trading: Send transactions using multiple MEV services simultaneously; the fastest succeeds while others fail
9. Unified Trading Interface: Use unified trading protocol types for trading operations
10. Middleware System: Support for custom instruction middleware to modify, add, or remove instructions before transaction execution
11. Shared Infrastructure: Share expensive RPC and SWQoS clients across multiple wallets for reduced resource usage

📦 Installation

Direct Clone (Recommended)

Clone this project to your project directory:

cd your_project_root_directory
git clone https://github.com/0xfnzero/sol-trade-sdk-python

Install dependencies:

cd sol-trade-sdk-python
pip install -e .

Or add to your requirements.txt:

sol-trade-sdk @ ./sol-trade-sdk-python

Or add to your pyproject.toml:

[project]
dependencies = [
    "sol-trade-sdk @ ./sol-trade-sdk-python",
]

Use PyPI

pip install sol-trade-sdk

🛠️ Usage Examples

📋 Example Usage

1. Create TradingClient Instance

You can refer to Example: Create TradingClient Instance.

Method 1: Simple (single wallet)

import asyncio
from sol_trade_sdk import TradingClient, TradeConfig, SwqosConfig, SwqosRegion

async def main():
    # Wallet
    payer = Keypair.from_secret_key(/* your keypair */)
    
    # RPC URL
    rpc_url = "https://mainnet.helius-rpc.com/?api-key=xxxxxx"
    
    # Multiple SWQoS services can be configured
    swqos_configs = [
        SwqosConfig(type="Default", rpc_url=rpc_url),
        SwqosConfig(type="Jito", uuid="your_uuid", region=SwqosRegion.FRANKFURT),
        SwqosConfig(type="Bloxroute", api_token="your_api_token", region=SwqosRegion.FRANKFURT),
        SwqosConfig(type="Astralane", api_key="your_api_key", region=SwqosRegion.FRANKFURT),
    ]
    
    # Create TradeConfig instance
    trade_config = TradeConfig(rpc_url, swqos_configs)
    
    # Create TradingClient
    client = TradingClient(payer, trade_config)

asyncio.run(main())

Method 2: Shared infrastructure (multiple wallets)

For multi-wallet scenarios, create the infrastructure once and share it across wallets. See Example: Shared Infrastructure.

from sol_trade_sdk import TradingInfrastructure, InfrastructureConfig

# Create infrastructure once (expensive)
infra_config = InfrastructureConfig(rpc_url, swqos_configs)
infrastructure = TradingInfrastructure(infra_config)

# Create multiple clients sharing the same infrastructure (fast)
client1 = TradingClient.from_infrastructure(payer1, infrastructure)
client2 = TradingClient.from_infrastructure(payer2, infrastructure)

2. Configure Gas Fee Strategy

from sol_trade_sdk import GasFeeStrategy

# Create GasFeeStrategy instance
gas_fee_strategy = GasFeeStrategy()
# Set global strategy
gas_fee_strategy.set_global_fee_strategy(150000, 150000, 500000, 500000, 0.001, 0.001)

3. Build Trading Parameters

from sol_trade_sdk import TradeBuyParams, DexType, TradeTokenType

buy_params = TradeBuyParams(
    dex_type=DexType.PUMPSWAP,
    input_token_type=TradeTokenType.WSOL,
    mint=mint_pubkey,
    input_token_amount=buy_sol_amount,
    slippage_basis_points=500,
    recent_blockhash=recent_blockhash,
    # Use extension_params for protocol-specific parameters
    extension_params={"type": "PumpSwap", "params": pumpswap_params},
    address_lookup_table_account=None,
    wait_transaction_confirmed=True,
    create_input_token_ata=True,
    close_input_token_ata=True,
    create_mint_ata=True,
    durable_nonce=None,
    fixed_output_token_amount=None,
    gas_fee_strategy=gas_fee_strategy,
    simulate=False,
)

4. Execute Trading

result = await client.buy(buy_params)
print(f"Transaction signature: {result.signature}")

⚡ Trading Parameters

For comprehensive information about all trading parameters including TradeBuyParams and TradeSellParams, see the Trading Parameters documentation.

About ShredStream

When using shred to subscribe to events, due to the nature of shreds, you cannot get complete information about transaction events. Please ensure that the parameters your trading logic depends on are available in shreds when using them.

📊 Usage Examples Summary Table

Description	Run Command	Source Code
Create and configure TradingClient instance	python examples/trading_client.py	examples/trading_client.py
Share infrastructure across multiple wallets	python examples/shared_infrastructure.py	examples/shared_infrastructure.py
PumpFun token sniping trading	python examples/pumpfun_sniper_trading.py	examples/pumpfun_sniper_trading.py
PumpFun token copy trading	python examples/pumpfun_copy_trading.py	examples/pumpfun_copy_trading.py
PumpSwap trading operations	python examples/pumpswap_trading.py	examples/pumpswap_trading.py
PumpSwap direct trading (via RPC)	python examples/pumpswap_direct_trading.py	examples/pumpswap_direct_trading.py
Raydium CPMM trading operations	python examples/raydium_cpmm_trading.py	examples/raydium_cpmm_trading.py
Raydium AMM V4 trading operations	python examples/raydium_amm_v4_trading.py	examples/raydium_amm_v4_trading.py
Meteora DAMM V2 trading operations	python examples/meteora_damm_v2_trading.py	examples/meteora_damm_v2_trading.py
Bonk token sniping trading	python examples/bonk_sniper_trading.py	examples/bonk_sniper_trading.py
Bonk token copy trading	python examples/bonk_copy_trading.py	examples/bonk_copy_trading.py
Custom instruction middleware example	python examples/middleware_system.py	examples/middleware_system.py
Address lookup table example	python examples/address_lookup.py	examples/address_lookup.py
Nonce cache (durable nonce) example	python examples/nonce_cache.py	examples/nonce_cache.py
Wrap/unwrap SOL to/from WSOL example	python examples/wsol_wrapper.py	examples/wsol_wrapper.py
Seed trading example	python examples/seed_trading.py	examples/seed_trading.py
Gas fee strategy example	python examples/gas_fee_strategy.py	examples/gas_fee_strategy.py
Hot path trading (zero-RPC)	python examples/hot_path_trading.py	examples/hot_path_trading.py

⚙️ SWQoS Service Configuration

When configuring SWQoS services, note the different parameter requirements for each service:

• Jito: The first parameter is UUID (if no UUID, pass an empty string "")
• Other MEV services: The first parameter is the API Token

Custom URL Support

Each SWQoS service supports an optional custom URL parameter:

# Using custom URL
jito_config = SwqosConfig(
    type="Jito",
    uuid="your_uuid",
    region=SwqosRegion.FRANKFURT,
    custom_url="https://custom-jito-endpoint.com"
)

# Using default regional endpoint
bloxroute_config = SwqosConfig(
    type="Bloxroute",
    api_token="your_api_token",
    region=SwqosRegion.NEW_YORK
)

URL Priority Logic:

• If a custom URL is provided, it will be used instead of the regional endpoint
• If no custom URL is provided, the system will use the default endpoint for the specified region
• This allows for maximum flexibility while maintaining backward compatibility

When using multiple MEV services, you need to use Durable Nonce. You need to use the fetch_nonce_info function to get the latest nonce value, and use it as the durable_nonce when trading.

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🔧 Middleware System

The SDK provides a powerful middleware system that allows you to modify, add, or remove instructions before transaction execution. Middleware executes in the order they are added:

from sol_trade_sdk import MiddlewareManager

manager = MiddlewareManager() \
    .add_middleware(FirstMiddleware()) \
    .add_middleware(SecondMiddleware()) \
    .add_middleware(ThirdMiddleware())

🔍 Address Lookup Tables

Address Lookup Tables (ALT) allow you to optimize transaction size and reduce fees by storing frequently used addresses in a compact table format.

from sol_trade_sdk import fetch_address_lookup_table_account, AddressLookupTableCache

# Fetch ALT from chain
alt = await fetch_address_lookup_table_account(rpc, alt_address)
print(f"ALT contains {len(alt.addresses)} addresses")

# Use cache for performance
cache = AddressLookupTableCache(rpc)
await cache.prefetch([alt_address1, alt_address2, alt_address3])
cached = cache.get(alt_address1)

🔍 Durable Nonce

Use Durable Nonce to implement transaction replay protection and optimize transaction processing.

from sol_trade_sdk import fetch_nonce_info, NonceCache

# Fetch nonce info
nonce_info = await fetch_nonce_info(rpc, nonce_account)

💰 Cashback Support (PumpFun / PumpSwap)

PumpFun and PumpSwap support cashback for eligible tokens: part of the trading fee can be returned to the user. The SDK must know whether the token has cashback enabled so that buy/sell instructions include the correct accounts.

• When params come from RPC: If you use PumpFunParams.from_mint_by_rpc or PumpSwapParams.from_pool_address_by_rpc, the SDK reads is_cashback_coin from chain—no extra step.
• When params come from event/parser: If you build params from trade events (e.g. sol-parser-sdk), you must pass the cashback flag into the SDK:
  • PumpFun: Set is_cashback_coin when building params from parsed events.
  • PumpSwap: Set is_cashback_coin field when constructing params manually.

🛡️ MEV Protection Services

You can apply for a key through the official website: Community Website

• Jito: High-performance block space
• ZeroSlot: Zero-latency transactions
• Temporal: Time-sensitive transactions
• Bloxroute: Blockchain network acceleration
• FlashBlock: High-speed transaction execution with API key authentication
• BlockRazor: High-speed transaction execution with API key authentication
• Node1: High-speed transaction execution with API key authentication
• Astralane: Blockchain network acceleration

📁 Project Structure

src/
├── common/           # Common functionality and tools
├── constants/        # Constant definitions
├── instruction/      # Instruction building
│   └── utils/        # Instruction utilities
├── swqos/            # MEV service clients
├── trading/          # Unified trading engine
│   ├── common/       # Common trading tools
│   ├── core/         # Core trading engine
│   ├── middleware/   # Middleware system
│   └── factory.py    # Trading factory
├── utils/            # Utility functions
│   ├── calc/         # Amount calculation utilities
│   └── price/        # Price calculation utilities
└── __init__.py       # Main library file

📄 License

MIT License

💬 Contact

• Official Website: https://fnzero.dev/
• Project Repository: https://github.com/0xfnzero/sol-trade-sdk-python
• Telegram Group: https://t.me/fnzero_group
• Discord: https://discord.gg/vuazbGkqQE

⚠️ Important Notes

1. Test thoroughly before using on mainnet
2. Properly configure private keys and API tokens
3. Pay attention to slippage settings to avoid transaction failures
4. Monitor balances and transaction fees
5. Comply with relevant laws and regulations