BlockChainAPI.js

app.get('/blockchain', function (req, res) {
    res.send(BelayChain)
})

app.post('/addcert', function (req, res) {
    const data = {
        gym_id: req.body.gym_id,
        user_member_number: req.body.user_member_number,
        cert_type: req.body.cert_type
    }

    const newCertificate = BelayChain.addBlock(data)
    res.json( { newblock: newCertificate } )
})

app.get('/validateChain', authenticate, function (req, res) {
    if (BelayChain.isChainValid(BelayChain.chain)) {
        res.json({ message: "Chain Valid"})
    } else {
        res.json({ message: "Warning: Chain Invalid!"})
    }
})