Executes a two-venue round trip and returns the proceeds to the immutable owner.
profit_asset is 0 for USDC and 1 for BLND. Venues are 0 for Comet,
1 for Aquarius, and 2 for Soroswap. The call rolls back unless the
measured output is strictly greater than amount + minimum_profit.
fn execute(
env: soroban_sdk::Env,
profit_asset: u32,
first_venue: u32,
second_venue: u32,
amount: i128,
minimum_profit: i128,
) -> ArbitrageExecutionfn get_config(env: soroban_sdk::Env) -> ArbitrageConfigfn __constructor(env: soroban_sdk::Env, config: ArbitrageConfig)