BlockChainAPIPartII.js

let BelayChain = {}

const loadBelayChain = () => {
    Block.find({})
        .then(blocks => {
            BelayChain = new Blockchain(blocks)
            return BelayChain
        })
        .then(BelayChain => {
            Node.find({})
                .then((nodes => {
                    nodes.forEach(node => BelayChain.networkNodes.push(node.nodeURL))
                }))
        })
}

app.listen(port, loadBelayChain())