UniswapV2TestTrader

tradeexecutor.testing.ethereumtrader_uniswap_v2.UniswapV2TestTrader Python class in Trading Strategy framework.

class UniswapV2TestTrader

Bases: EthereumTrader

Helper class to trade against EthereumTester unit testing network.

__init__(web3, uniswap, hot_wallet, state, pair_universe)

Parameters:

• web3 (Web3) –

• uniswap (UniswapV2Deployment) –

• hot_wallet (HotWallet) –

• state (State) –

• pair_universe (PandasPairUniverse) –

Methods

__init__(web3, uniswap, hot_wallet, state, ...)
buy(pair, amount_in_usd[, execute])	Buy token (trading pair) for a certain value.
execute_trades_simple(trades[, ...])	Execute trades on web3 instance.
sell(pair, quantity[, execute])	Sell token token (trading pair) for a certain quantity.

__init__(web3, uniswap, hot_wallet, state, pair_universe)

Parameters:

• web3 (Web3) –

• uniswap (UniswapV2Deployment) –

• hot_wallet (HotWallet) –

• state (State) –

• pair_universe (PandasPairUniverse) –

buy(pair, amount_in_usd, execute=True)

Buy token (trading pair) for a certain value.

Parameters:

• pair (TradingPairIdentifier) –

• amount_in_usd (Decimal) –

Return type:

Tuple[TradingPosition, TradeExecution]

sell(pair, quantity, execute=True)

Sell token token (trading pair) for a certain quantity.

Parameters:

• pair (TradingPairIdentifier) –

• quantity (Decimal) –

Return type:

Tuple[TradingPosition, TradeExecution]

execute_trades_simple(trades, max_slippage=0.01, stop_on_execution_failure=True)

Execute trades on web3 instance.

A testing shortcut

• Create BlockchainTransaction instances

• Execute them on Web3 test connection (EthereumTester / Ganache)

• Works with single Uniswap test deployment

Parameters:

trades (List[TradeExecution]) –

Return type:

Tuple[List[TradeExecution], List[TradeExecution]]