@backtest/framework/esm/src/helpers/prisma-strategies.js

Backtesting trading strategies in TypeScript / JavaScript

"use strict";
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
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        __setModuleDefault(result, mod);
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})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.insertStrategy = insertStrategy;
exports.getAllStrategies = getAllStrategies;
exports.getStrategy = getStrategy;
exports.updateLastRunTime = updateLastRunTime;
exports.deleteStrategy = deleteStrategy;
exports.updateStrategy = updateStrategy;
const client_1 = require("@prisma/client");
const error_1 = require("./error");
const logger = __importStar(require("./logger"));
const prisma = new client_1.PrismaClient({
    datasources: {
        db: {
            url: process.env.DATABASE_URL || 'file:./db/backtest.db'
        }
    }
});
async function insertStrategy(strategy) {
    try {
        await prisma.strategy.create({
            data: {
                ...strategy,
                params: JSON.stringify(strategy.params),
                creationTime: BigInt(strategy.creationTime),
                lastRunTime: BigInt(strategy.lastRunTime)
            }
        });
        logger.debug(`Successfully inserted strategy: ${strategy.name}`);
        return true;
    }
    catch (error) {
        throw new error_1.BacktestError(`Problem inserting strategy with error: ${error}`, error_1.ErrorCode.Insert);
    }
}
async function getAllStrategies() {
    try {
        const strategies = await prisma.strategy.findMany();
        const strategyMetas = strategies.map((strategy) => ({
            ...strategy,
            params: JSON.parse(strategy.params),
            creationTime: Number(strategy.creationTime),
            lastRunTime: Number(strategy.lastRunTime)
        }));
        return strategyMetas;
    }
    catch (error) {
        throw new error_1.BacktestError(`Problem getting all strategies with error: ${error}`, error_1.ErrorCode.Retrieve);
    }
}
async function getStrategy(name) {
    try {
        const strategy = await prisma.strategy.findUnique({ where: { name } });
        if (!strategy) {
            throw new error_1.BacktestError(`Strategy with name: ${name} not found`, error_1.ErrorCode.NotFound);
        }
        const strategyMeta = {
            ...strategy,
            params: JSON.parse(strategy.params),
            creationTime: Number(strategy.creationTime),
            lastRunTime: Number(strategy.lastRunTime)
        };
        logger.debug(`Found strategy: ${name}`);
        return strategyMeta;
    }
    catch (error) {
        throw new error_1.BacktestError(`Problem getting strategy with error: ${error}`, error_1.ErrorCode.Retrieve);
    }
}
async function updateLastRunTime(name, lastRunTime) {
    try {
        const strategy = await prisma.strategy.update({
            where: { name },
            data: { lastRunTime: BigInt(lastRunTime) }
        });
        logger.debug(`Successfully updated lastRunTime for strategy: ${strategy.name}`);
        return true;
    }
    catch (error) {
        throw new error_1.BacktestError(`Problem updating lastRunTime with error: ${error}`, error_1.ErrorCode.Update);
    }
}
async function deleteStrategy(name) {
    try {
        await prisma.strategy.delete({ where: { name } });
        logger.debug(`Successfully deleted strategy: ${name}`);
        return true;
    }
    catch (error) {
        throw new error_1.BacktestError(`Problem deleting strategy with error: ${error}`, error_1.ErrorCode.Delete);
    }
}
async function updateStrategy(strategy) {
    try {
        await prisma.strategy.update({
            where: { name: strategy.name },
            data: {
                ...strategy,
                params: JSON.stringify(strategy.params),
                creationTime: BigInt(strategy.creationTime),
                lastRunTime: BigInt(strategy.lastRunTime)
            }
        });
        logger.debug(`Successfully updated strategy: ${strategy.name}`);
        return true;
    }
    catch (error) {
        throw new error_1.BacktestError(`Problem updating strategy with error: ${error}`, error_1.ErrorCode.Update);
    }
}
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