GMX Python API example

gistfile1.txt

# github.com/tradingstrategy-ai/web3-ethereum-defi

from eth_defi.gmx.create_increase_order import IncreaseOrder

from eth_defi.gmx.trading import GMXTrading
from eth_defi.provider.multi_provider import create_multi_provider_web3
from eth_defi.gmx.config import GMXConfig
from eth_defi.hotwallet import HotWallet
from eth_account import Account
import os

# Setup connection to Arbitrum
json_rpc_url = os.environ.get("JSON_RPC_ARBITRUM")
if not json_rpc_url:
    json_rpc_url = input("Please enter your Arbitrum JSON-RPC URL: ")

web3 = create_multi_provider_web3(json_rpc_url)
config = GMXConfig(web3)

print(f"Connected to chain {web3.eth.chain_id}")


# initialise the trading manager
trading_manager = GMXTrading(config)

market_symbol = "ETH"
collateral_symbol = "USDC"

# Create a long position with USDC as collateral
# This will return a transaction object. Which then need to be signed in order to get exectued
increase_order_tx = trading_manager.open_position(
    market_symbol=market_symbol,
    collateral_symbol=collateral_symbol,
    start_token_symbol=collateral_symbol,
    is_long=True,
    size_delta_usd=100,
    leverage=2,
    slippage_percent=0.003,
    debug_mode=False,
    execution_buffer=2.2,
)

private_key = os.environ.get("PRIVATE_KEY")
account = Account.from_key(private_key)
hot_wallet = HotWallet(account)
hot_wallet.sync_nonce(web3)


# This will sign the transaction
signed_tx = hot_wallet.sign_transaction(increase_order_tx)

# And finally send the transaction
tx_hash = web3.eth.send_transaction(signed_tx)

print("Trade broadcasted: {tx_hash}")