const express = require('express'); require('dotenv').config(); const app = express(); const port = process.env.PORT || 3000; const { CasperClient, DeployUtil, Contracts: { Contract }, } = require('casper-js-sdk'); const RPC_API = 'http://65.109.56.30:7777/rpc'; const casperClient = new CasperClient(RPC_API); const contract = new Contract(casperClient); contract.setContractHash('hash-9d6641378c5859e4a0367b37f358d9861496318ba814bdd92903210a3f633198'); app.use(express.json()); app.post('/sendDeploy', async (req, res) => { const { body: deployJson } = req; const deploy = DeployUtil.deployFromJson(deployJson).unwrap(); const deployHash = await casperClient.putDeploy(deploy); res.status(200).send(`Deploy hash: ${deployHash}`); }); app.get('/queryMessage', async (req, res) => { const result = await contract.queryContractData(['message']); console.log('query result:', result); res.send(result); }); app.get('*', (req, res) => { console.log(`req.path: ${req.path}`); res.send('Hello World!'); }); app.listen(port, () => { console.log(`Example app listening on port ${port}`); });