squid-js/src/keeper/Keeper.ts

import Config from "../models/Config"
import OceanAuth from "./Auth"
import OceanMarket from "./Market"
import OceanToken from "./Token"
import Web3Helper from "./Web3Helper"

export default class Keeper {

    public static async getInstance(config: Config, helper: Web3Helper) {

        const contracts = new Keeper(helper)

        contracts.market = await OceanMarket.getInstance(config, helper)
        contracts.auth = await OceanAuth.getInstance(config, helper)
        contracts.token = await OceanToken.getInstance(config, helper)

        return contracts
    }

    public web3Helper: Web3Helper
    public token: OceanToken
    public market: OceanMarket
    public auth: OceanAuth

    private constructor(helper: Web3Helper) {
        this.web3Helper = helper
    }
}