examples: more examples.

examples/node.js

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+'use strict';
+
+var FullNode = require('bcoin/lib/node/fullnode');
+
+var node = new FullNode({
+  network: 'testnet',
+  db: 'memory'
+});
+
+async function main() {
+  await node.open();
+
+  await node.connect();
+
+  node.on('connect', function(entry, block) {
+    console.log('%s (%d) added to chain.', entry.rhash(), entry.height);
+  });
+
+  node.on('tx', function(tx) {
+    console.log('%s added to mempool.', tx.txid());
+  });
+
+  node.startSync();
+}
+
+main();

examples/plugin.js

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+'use strict';
+
+var FullNode = require('bcoin/lib/node/fullnode');
+
+function MyPlugin(node) {
+  this.node = node;
+}
+
+MyPlugin.id = 'my-plugin';
+
+MyPlugin.init = function init(node) {
+  return new MyPlugin(node);
+};
+
+MyPlugin.prototype.open = function open() {
+  console.log('Opened my plugin.');
+  return Promise.resolve();
+};
+
+MyPlugin.prototype.close = function close() {
+  console.log('Closed my plugin.');
+  return Promise.resolve();
+};
+
+MyPlugin.prototype.sayPeers = function sayPeers() {
+  console.log('Number of peers: %d', this.node.pool.peers.size());
+};
+
+var node = new FullNode({
+  network: 'testnet',
+  db: 'memory'
+});
+
+node.use(MyPlugin);
+
+async function main() {
+  var plugin = node.require('my-plugin');
+
+  await node.open();
+
+  await node.connect();
+
+  plugin.sayPeers();
+
+  node.on('connect', function(entry, block) {
+    console.log('%s (%d) added to chain.', entry.rhash(), entry.height);
+  });
+
+  node.on('tx', function(tx) {
+    console.log('%s added to mempool.', tx.txid());
+  });
+}
+
+main();