Add withdraw command

src/commands/admin/adminbalance.js

@@ -10,10 +10,7 @@ module.exports = class AdminBalance extends Command {
 
   async exec(message) {
     const response = await this.client.lbry.walletBalance();
-    if (response.status !== 200) {
-      console.error('SDK error in adminbalance', response, await response.text());
-      return message.channel.createMessage(`LBRY-SDK returned ${response.status}, check console.`);
-    }
+    if (this.handleResponse(message, response)) return;
     const wallet = await response.json();
     return message.channel.createMessage({ embed: {
       description: `**Available:** ${wallet.result.available} LBC\n\n` +

src/commands/admin/deposit.js

@@ -10,10 +10,7 @@ module.exports = class Deposit extends Command {
 
   async exec(message) {
     const response = await this.client.lbry.listAddresses();
-    if (response.status !== 200) {
-      console.error('SDK error in deposit', response, await response.text());
-      return message.channel.createMessage(`LBRY-SDK returned ${response.status}, check console.`);
-    }
+    if (this.handleResponse(message, response)) return;
     const address = await response.json();
     return message.channel.createMessage(`Address: ${address.result.items[0].address}`);
   }

src/commands/admin/withdraw.js

@@ -0,0 +1,38 @@
+const Command = require('../../structures/Command');
+
+module.exports = class Withdraw extends Command {
+  get name() { return 'withdraw'; }
+
+  get _options() { return {
+    aliases: ['wd'],
+    permissions: ['admin'],
+    minimumArgs: 2
+  }; }
+
+  async exec(message, { args }) {
+    const amount = args[0];
+    if (isNaN(parseFloat(amount)))
+      return message.channel.createMessage('The first argument must be a numeric amount of LBC to send!');
+
+    // Check if the balance is more than requested
+    const balance = await this.client.lbry.walletBalance();
+    if (this.handleResponse(message, balance)) return;
+    const availableBalance = parseFloat((await balance.json()).result.available);
+    if (parseFloat(amount) > availableBalance)
+      return message.channel.createMessage(
+        'There is not enough available LBC in the wallet to send that amount!');
+
+    // Send to wallet
+    const response = await this.client.lbry.sendToWallet({ amount, to: args[1] });
+    if (this.handleResponse(message, response)) return;
+    const txid = (await response.json()).result.inputs[0].txid;
+    return message.channel.createMessage(`Sent ${parseFloat(amount)} LBC to ${args[1]}.\n` +
+      `https://explorer.lbry.com/tx/${txid}`);
+  }
+
+  get metadata() { return {
+    category: 'Admin',
+    description: 'Sends funds to an address from the master wallet.',
+    usage: '<amount> <address>'
+  }; }
+};

src/structures/Command.js

@@ -78,6 +78,20 @@ class Command {
   // eslint-disable-next-line no-empty-function, no-unused-vars
   exec(Message, opts) { }
 
+  /**
+   * @private
+   */
+  async handleResponse(message, response) {
+    if (response.status !== 200) {
+      const error = response.status === 500 ?
+        { message: 'Internal server error' } : (await response.json()).error;
+      console.error(`SDK error in ${this.name}:${message.author.id}`, response, error);
+      await message.channel.createMessage(`LBRY-SDK returned ${response.status}.\n${error.message}`);
+      return true;
+    }
+    return false;
+  }
+
   /**
    * The options for the command
    * @type {Object}