feature: withdraw functionality

package.json

@@ -32,6 +32,7 @@
     "ngrok": "3.1.1"
   },
   "devDependencies": {
+    "@types/coinstring": "^2.3.0",
     "@types/dotenv": "6.1.0",
     "husky": "1.3.1",
     "lint-staged": "8.0.3",

src/commands/help.ts

@@ -15,7 +15,7 @@ const help = async (context: Context) => {
 
     - If you want to know your balance, send a DM to @cooldoge with "balance" as message
     - If you want to know your deposit more dogecoin, send a DM to @cooldoge with "deposit" as message
-    - If you want to know your withdraw address to withdraw your dogecoin to your private wallet, send a DM to @cooldoge with "withdraw" as message
+    - If you want to withdraw your dogecoin to your private wallet, send a DM to @cooldoge with "withdraw address amount" as message
 
     For more nerdiness here:
     https://github.com/cool-bots/doge-cool`

src/commands/withdraw.ts

@@ -1,9 +1,66 @@
+import help from './help';
+import * as utils from '../lib/utils';
+import { getAddressByLabel } from '../integrations/blockIo';
 import { Context } from '../types/bottender';
 
-const withdraw = async (context: Context) => {
-  // TODO get user address
-  // TODO withdraw to address
-  await context.sendText('Ehehehe no way!!');
+export const withdraw = async (context: Context, blockIo: any) => {
+  const fromLabel = context.session.user.id;
+  const fromAddress = await getAddressByLabel(fromLabel);
+  const availableBalance = Number(fromAddress.data.available_balance);
+
+  const [, toAddress, amount] = context.event.text.split(' ');
+  if (!toAddress || !amount || isNaN(+amount)) {
+    help(context);
+    return;
+  }
+
+  if (availableBalance < +amount) {
+    await context.sendText(
+      `Looks like this amount is above your balance - you only have ${availableBalance} doge!`
+    );
+    return;
+  }
+
+  if (+amount < 2) {
+    await context.sendText(
+      `Such low amount! Much too low to cover fees! ${utils.generateWow()}`
+    );
+    return;
+  }
+
+  const isValid = /[AD9]{1}[5-9A-HJ-NP-U]{1}[1-9A-HJ-NP-Za-km-z]{32}/.test(
+    toAddress
+  );
+  if (!isValid) {
+    await context.sendText(
+      `Oh no, much typo in your address. It can't be ${toAddress} ?!`
+    );
+    return;
+  }
+
+  try {
+    await new Promise((resolve, reject) => {
+      blockIo.withdraw_from_labels({
+        from_labels: fromLabel,
+        to_addresses: toAddress,
+        amounts: amount,
+        pin: process.env.BLOCK_IO_SECRET_PIN,
+      });
+      (error: any, res: any) => {
+        if (error) {
+          return reject(error);
+        }
+        context.sendText('Successful withdrawal');
+        resolve();
+      };
+    });
+    await context.sendText(
+      `${utils.generateCongrats()} Such rich! Much withdrawal!`
+    );
+    return;
+  } catch (error) {
+    await context.sendText(error.message);
+  }
 };
 
 export default withdraw;

src/index.ts

@@ -34,7 +34,6 @@ const createAddresses = CreateAddresses(slackClient, blockIo);
 bot.onEvent(async (context: Context) => {
   let command;
   let commandText;
-
   // Public / Private channels
   if (context.event.isChannelsMessage || context.event.isGroupsMessage) {
     // Unless @cooldoge is mentioned, don't react

yarn.lock

@@ -46,6 +46,13 @@
     url-join "^4.0.0"
     ws "^4.1.0"
 
+"@types/coinstring@^2.3.0":
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/@types/coinstring/-/coinstring-2.3.0.tgz#1c3e71aa8f98520d8528e1021348db793e8b451f"
+  integrity sha1-HD5xqo+YUg2FKOECE0jbeT6LRR8=
+  dependencies:
+    "@types/node" "*"
+
 "@types/delay@^2.0.1":
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/@types/delay/-/delay-2.0.1.tgz#61bcf318a74b61e79d1658fbf054f984c90ef901"
@@ -553,6 +560,11 @@ bcrypt-pbkdf@^1.0.0:
   dependencies:
     tweetnacl "^0.14.3"
 
+[email protected]:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/bigi/-/bigi-0.2.0.tgz#8bee26348b99c4ae2ed20481fb12384c32792f74"
+  integrity sha1-i+4mNIuZxK4u0gSB+xI4TDJ5L3Q=
+
 bigi@=1.4.2, bigi@^1.1.0, bigi@^1.4.0:
   version "1.4.2"
   resolved "https://registry.yarnpkg.com/bigi/-/bigi-1.4.2.tgz#9c665a95f88b8b08fc05cfd731f561859d725825"
@@ -569,6 +581,11 @@ binary@^0.3.0:
     buffers "~0.1.1"
     chainsaw "~0.1.0"
 
+[email protected], binstring@~0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/binstring/-/binstring-0.2.1.tgz#8a174d301f6d54efda550dd98bb4cb524eacd75d"
+  integrity sha1-ihdNMB9tVO/aVQ3Zi7TLUk6s110=
+
 bitcoinjs-lib@=1.5.6:
   version "1.5.6"
   resolved "https://registry.yarnpkg.com/bitcoinjs-lib/-/bitcoinjs-lib-1.5.6.tgz#c628826441a1e58298b7b50ac4d4996231286209"
@@ -705,6 +722,14 @@ braces@^2.3.1, braces@^2.3.2:
     split-string "^3.0.2"
     to-regex "^3.0.1"
 
+[email protected]:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/bs58/-/bs58-0.3.0.tgz#cb48107bf446727d3e17b21102da73ca89109588"
+  integrity sha1-y0gQe/RGcn0+F7IRAtpzyokQlYg=
+  dependencies:
+    bigi "0.2.0"
+    binstring "~0.2.0"
+
 bs58@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/bs58/-/bs58-3.1.0.tgz#d4c26388bf4804cac714141b1945aa47e5eb248e"
@@ -999,6 +1024,14 @@ code-point-at@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
 
+coinstring@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/coinstring/-/coinstring-0.2.0.tgz#fa2820497bb9e35b7cfa116f048219ca6f3f348f"
+  integrity sha1-+iggSXu541t8+hFvBIIZym8/NI8=
+  dependencies:
+    bs58 "0.3.x"
+    crypto-hashing "~0.3.0"
+
 collection-visit@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/collection-visit/-/collection-visit-1.0.0.tgz#4bc0373c164bc3291b4d368c829cf1a80a59dca0"
@@ -1156,6 +1189,14 @@ cross-spawn@^6.0.0, cross-spawn@^6.0.3:
     shebang-command "^1.2.0"
     which "^1.2.9"
 
+crypto-hashing@~0.3.0:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/crypto-hashing/-/crypto-hashing-0.3.1.tgz#0195548db8bdef50aa9d526514cc546e1e62fbce"
+  integrity sha1-AZVUjbi971CqnVJlFMxUbh5i+84=
+  dependencies:
+    binstring "0.2.x"
+    ripemd160 "~0.2.0"
+
 crypto-random-string@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/crypto-random-string/-/crypto-random-string-1.0.0.tgz#a230f64f568310e1498009940790ec99545bca7e"
@@ -4235,6 +4276,11 @@ ripemd160@^2.0.0, ripemd160@^2.0.1:
     hash-base "^3.0.0"
     inherits "^2.0.1"
 
+ripemd160@~0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/ripemd160/-/ripemd160-0.2.1.tgz#dee19248a3e1c815ff9aea39e753a337f56a243d"
+  integrity sha1-3uGSSKPhyBX/muo551OjN/VqJD0=
+
 run-async@^2.2.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/run-async/-/run-async-2.3.0.tgz#0371ab4ae0bdd720d4166d7dfda64ff7a445a6c0"