nt-execution 1.0.0

Order execution and broker integration for Neural Trader - supports Alpaca, Interactive Brokers, and more
Documentation
// Lime Brokerage DMA integration (stub)
//
// Note: Lime Brokerage requires institutional access and FIX protocol
// This is a simplified REST API stub for the interface
// Full implementation would require FIX/FAST protocol support

use crate::broker::{
    Account, BrokerClient, BrokerError, HealthStatus, OrderFilter, Position,
};
use crate::{OrderRequest, OrderResponse};
use async_trait::async_trait;

/// Lime Brokerage configuration
#[derive(Debug, Clone)]
pub struct LimeBrokerConfig {
    /// API endpoint
    pub endpoint: String,
    /// API key
    pub api_key: String,
    /// API secret
    pub secret: String,
}

/// Lime Brokerage client (stub for institutional DMA)
pub struct LimeBroker {
    config: LimeBrokerConfig,
}

impl LimeBroker {
    /// Create a new Lime Brokerage client
    pub fn new(config: LimeBrokerConfig) -> Self {
        Self { config }
    }
}

#[async_trait]
impl BrokerClient for LimeBroker {
    async fn get_account(&self) -> Result<Account, BrokerError> {
        Err(BrokerError::Other(anyhow::anyhow!(
            "Lime Brokerage requires institutional FIX protocol access. Please contact Lime Brokerage for integration."
        )))
    }

    async fn get_positions(&self) -> Result<Vec<Position>, BrokerError> {
        Err(BrokerError::Other(anyhow::anyhow!(
            "Lime Brokerage requires institutional FIX protocol access"
        )))
    }

    async fn place_order(&self, _order: OrderRequest) -> Result<OrderResponse, BrokerError> {
        Err(BrokerError::Other(anyhow::anyhow!(
            "Lime Brokerage requires institutional FIX protocol access"
        )))
    }

    async fn cancel_order(&self, _order_id: &str) -> Result<(), BrokerError> {
        Err(BrokerError::Other(anyhow::anyhow!(
            "Lime Brokerage requires institutional FIX protocol access"
        )))
    }

    async fn get_order(&self, _order_id: &str) -> Result<OrderResponse, BrokerError> {
        Err(BrokerError::Other(anyhow::anyhow!(
            "Lime Brokerage requires institutional FIX protocol access"
        )))
    }

    async fn list_orders(&self, _filter: OrderFilter) -> Result<Vec<OrderResponse>, BrokerError> {
        Err(BrokerError::Other(anyhow::anyhow!(
            "Lime Brokerage requires institutional FIX protocol access"
        )))
    }

    async fn health_check(&self) -> Result<HealthStatus, BrokerError> {
        Ok(HealthStatus::Unhealthy)
    }
}