connect & read between two hyperdb instances across a network

hyperconnect.js

// COMPUTER 1
var ram = require("random-access-memory") // store remote db in ram. it's nice for testing bc doesnt create a bunch of files
var hyperdiscovery = require("hyperdiscovery")
var hyperdb = require("hyperdb")
var hypercore = require("hypercore")

// local.key is d5d0b189af6b981ab7942c3d71103e9a1cbfa32e203220e830b7a16deac6cc43
var local = hypercore("./local-db", {valueEncoding: "json", sparse: true})
// pass in feeds in same sequence on both machines
var db = hyperdb([
    // feed 1 = computer 1
    local,
     // feed 2 = computer 2 (id is computer 2's public key, see "local key" logging below
    hypercore(ram, "5c73d8199d83875b62b19b28893b374189e439e760dc070497cfbd643bfb8fbe", {valueEncoding: "json", sparse: true})
])

var key = process.argv[2] || "test-key"
db.ready(function () {
    var id = local.key.toString("hex")
    console.log("local key", id)

    var sw = hyperdiscovery(db, {live: true})

    sw.on("connection", function(peer, type) {
        console.log("we got a connection")
    })
    
    // get a value
    db.get(key, function(err, nodes) {
         if (err) {console.log(err); return;}
         if (nodes && nodes[0]) {
              console.log(nodes[0])
         }
    })
    
    // add a value
    db.put(key, "a cool value", function(err, nodes) {
         if (err) {console.log(err); return;}
    })
})
.....
// COMPUTER 2
var ram = require("random-access-memory")
var hyperdiscovery = require("hyperdiscovery")
var hyperdb = require("hyperdb")
var hypercore = require("hypercore")

// local.key is 5c73d8199d83875b62b19b28893b374189e439e760dc070497cfbd643bfb8fbe
var local = hypercore("./local-db", {valueEncoding: "json", sparse: true})
// pass in feeds in same sequence on both machines
var db = hyperdb([
    // feed 1 = computer 1
    hypercore(ram, "d5d0b189af6b981ab7942c3d71103e9a1cbfa32e203220e830b7a16deac6cc43", {valueEncoding: "json", sparse: true}), 
    // feed 2 = computer 2
    local
])

var key = process.argv[2] || "test-key"
db.ready(function () {
    var id = local.key.toString("hex")
    console.log("local key", id)

    var sw = hyperdiscovery(db, {live: true})

    sw.on("connection", function(peer, type) {
        console.log("we got a connection")
    })
     
    // get a value
    db.get(key, function(err, nodes) {
         if (err) {console.log(err); return;}
         if (nodes && nodes[0]) {
              console.log(nodes[0])
         }
    })
     
    // add a value
    db.put(key, "a cool value", function(err, nodes) {
         if (err) {console.log(err); return;}
    })
})