universe.ts

class ETH { }
class Galt { }
class Space { }


class Universe {
    dao: DAO;
    eth: ETH;

    constructor() {
        this.dao = new DAO(this);
        this.eth = new ETH();
    }
}

class DAO {
    universe: Universe;
    galtToken: ETH;
    spaceToken: Galt;

    constructor(universe: Universe) {
        this.universe = universe;
        this.galtToken = new Galt();
        this.spaceToken = new Space();
    }

    operationWithETH(sender: string) {
        let eth = this.universe.eth;
        let galt = this.galtToken;
    }
}