@copytrade/broker-fyers/dist/helpers.js

Fyers broker plugin for @copytrade/unified-broker

"use strict";
/**
 * Fyers Broker Helper Functions
 * Utility functions specific to Fyers broker integration
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.transformOrderRequest = transformOrderRequest;
exports.formatSymbol = formatSymbol;
exports.mapOrderType = mapOrderType;
exports.mapOrderSide = mapOrderSide;
exports.mapProductType = mapProductType;
exports.mapValidity = mapValidity;
exports.parseOrderStatus = parseOrderStatus;
exports.validateCredentials = validateCredentials;
exports.generateAuthUrl = generateAuthUrl;
exports.formatErrorMessage = formatErrorMessage;
/**
 * Transform unified order request to Fyers format
 */
function transformOrderRequest(orderRequest) {
    return {
        symbol: formatSymbol(orderRequest.symbol, orderRequest.exchange),
        qty: orderRequest.quantity,
        type: mapOrderType(orderRequest.orderType),
        side: mapOrderSide(orderRequest.action),
        productType: mapProductType(orderRequest.productType),
        limitPrice: orderRequest.price || 0,
        stopPrice: orderRequest.stopPrice || 0,
        validity: mapValidity(orderRequest.validity),
        disclosedQty: 0,
        offlineOrder: false
    };
}
/**
 * Format symbol for Fyers API
 */
function formatSymbol(symbol, exchange) {
    return `${exchange}:${symbol}`;
}
/**
 * Map unified order type to Fyers order type
 */
function mapOrderType(orderType) {
    const mapping = {
        'MARKET': 2,
        'LIMIT': 1,
        'SL-LIMIT': 3,
        'SL-MARKET': 4
    };
    return mapping[orderType] || 1;
}
/**
 * Map unified order action to Fyers side
 */
function mapOrderSide(action) {
    return action === 'BUY' ? 1 : -1;
}
/**
 * Map unified product type to Fyers product type
 */
function mapProductType(productType) {
    const mapping = {
        'CNC': 'CNC',
        'MIS': 'INTRADAY',
        'NRML': 'MARGIN',
        'BO': 'BO'
    };
    return mapping[productType] || 'CNC';
}
/**
 * Map unified validity to Fyers validity
 */
function mapValidity(validity) {
    const mapping = {
        'DAY': 'DAY',
        'IOC': 'IOC',
        'GTD': 'GTD'
    };
    return mapping[validity] || 'DAY';
}
/**
 * Parse Fyers order status to unified format
 */
function parseOrderStatus(fyersStatus) {
    const mapping = {
        1: 'PENDING',
        2: 'EXECUTED',
        3: 'CANCELLED',
        4: 'REJECTED',
        5: 'PENDING'
    };
    return mapping[fyersStatus] || 'PENDING';
}
/**
 * Validate Fyers credentials
 */
function validateCredentials(credentials) {
    const required = ['appId', 'secretKey', 'redirectUri'];
    return required.every(field => credentials[field] && credentials[field].trim() !== '');
}
/**
 * Generate Fyers auth URL - Fixed to use actual login page
 */
function generateAuthUrl(appId, redirectUri) {
    // Use the correct Fyers login URL that doesn't immediately redirect
    const baseUrl = 'https://api-t1.fyers.in/api/v3/generate-authcode';
    const params = new URLSearchParams({
        client_id: appId,
        redirect_uri: redirectUri,
        response_type: 'code',
        state: 'sample_state'
    });
    return `${baseUrl}?${params.toString()}`;
}
/**
 * Format error message from Fyers response
 */
function formatErrorMessage(response) {
    if (response.message) {
        return response.message;
    }
    if (response.s === 'error') {
        return 'Operation failed';
    }
    return 'Unknown error occurred';
}
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