Add default config and connector list

Author: karzak

.gitignore

@@ -0,0 +1 @@
+node_modules/

README.md

@@ -0,0 +1,3 @@
+[![Greenkeeper badge](https://badges.greenkeeper.io/interledgerjs/moneyd-uplink-xrp.svg)](https://greenkeeper.io/)
+
+Enables [moneyd](https://github.com/interledgerjs/moneyd) to connect to interledger over the lightning network.

connector_list.json

@@ -0,0 +1,8 @@
+{
+  "live": [
+    "ilp.kava.io/btc"
+  ],
+  "test": [
+    "test.ilp.kava.io/btc"
+  ]
+}

index.js

@@ -0,0 +1,153 @@
+"use strict";
+const crypto = require("crypto");
+const Plugin = require("ilp-plugin-lightning");
+const { convert, Unit } = require("ilp-plugin-lightning/build/account");
+const connectorList = require("./connector_list.json");
+const util = require("util");
+const parentBtpHmacKey = "parent_btp_uri";
+const inquirer = require("inquirer");
+const base64url = buf =>
+  buf
+    .toString("base64")
+    .replace(/=/g, "")
+    .replace(/\+/g, "-")
+    .replace(/\//g, "_");
+
+async function configure({ testnet, advanced }) {
+  const servers = connectorList[testnet ? "test" : "live"];
+  const defaultParent = servers[Math.floor(Math.random() * servers.length)];
+  const res = {};
+  const fields = [
+    {
+      type: "input",
+      name: "pubkey",
+      message: "LND Pubkey:"
+    },
+    {
+      type: "input",
+      name: "host",
+      message: "LND Host IP:"
+    },
+    {
+      type: "input",
+      name: "tlscert",
+      message: "LND TLS Cert (Path to file or base64 stiring):"
+    },
+    {
+      type: "input",
+      name: "macaroon",
+      message: "LND Admin Macaroon (Path to file or base64 stiring):"
+    },
+    {
+      type: "input",
+      name: "parent",
+      message: "BTP host of parent connector:",
+      default: defaultParent
+    },
+    {
+      type: "input",
+      name: "name",
+      message: "Name to assign to this channel:",
+      default: base64url(crypto.randomBytes(32))
+    }
+  ];
+  for (const field of fields) {
+    res[field.name] = (await inquirer.prompt(field))[field.name];
+  }
+
+  // create btp server uri for upstream
+  const btpName = res.name || "";
+  const btpSecret = hmac(
+    hmac(parentBtpHmacKey, res.parent + btpName),
+    res.pubkey
+  ).toString("hex");
+  const btpServer = "btp+wss://" + btpName + ":" + btpSecret + "@" + res.parent;
+
+  return {
+    relation: "parent",
+    plugin: require.resolve("ilp-plugin-lightning"),
+    assetCode: "BTC",
+    assetScale: 8,
+    sendRoutes: false,
+    receiveRoutes: false,
+    options: {
+      role: "client",
+      server: btpServer,
+      lndIdentityPubkey: res.pubkey,
+      lndHost: res.host,
+      lnd: {
+        tlsCertPath: res.tlscert,
+        macaroonPath: res.macaroon,
+        lndHost: res.host
+      },
+      balance: {
+        maximum: convert(".0005", Unit.BTC, Unit.Satoshi),
+        settleTo: convert(".0001", Unit.BTC, Unit.Satoshi),
+        settleThreshold: convert("0.00009", Unit.BTC, Unit.Satoshi)
+      }
+    }
+  };
+}
+
+const commands = [
+  {
+    command: "info",
+    describe: "Get info about your lnd node",
+    builder: {},
+    handler: (config, argv) => makeUplink(config)._printInfo()
+  }
+  // {
+  //   command: 'channels',
+  //   describe: 'Get info about any channels you have with your connector',
+  //   builder: {},
+  //   handler: (con)
+  // }
+  // {
+  //   command: 'getRoutes',
+  //   describe: 'Get routing information between you and the connector',
+  //   builder: {
+  //     amount: {
+  //       description: 'The amount (in satoshis) each route must contain.',
+  //       demandOption: true
+  //     }
+  //   },
+  //   handler: (config, {amount}) => makeUplink(config).getRoutes(amount)
+  // }
+];
+
+function makeUplink(config) {
+  return new LightningUplink(config);
+}
+
+class LightningUplink {
+  constructor(config) {
+    this.config = config;
+    this.pluginOpts = config.options;
+    this.plugin = null;
+  }
+
+  async _printInfo() {
+    const api = await this.api();
+    const info = await api.getInfo();
+    console.log(util.inspect(object, { colors: true }));
+  }
+
+  async _api() {
+    if (!this.plugin) {
+      this.plugin = new Plugin(this.pluginOpts);
+      await this.plugin.connect();
+    }
+    return this.plugin.lnd;
+  }
+}
+
+function hmac(key, message) {
+  const h = crypto.createHmac("sha256", key);
+  h.update(message);
+  return h.digest();
+}
+
+module.exports = {
+  configure,
+  commands
+};