Merge tag 'v0.4.5'

0.4.5

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# Conflicts:
#	package-lock.json

.gitignore

@@ -1,2 +1,3 @@
 .env
 node_modules
+stacksats.sh

Dockerfile

@@ -0,0 +1,9 @@
+FROM node:alpine
+
+COPY . /krakenbot
+WORKDIR /krakenbot
+RUN pwd
+
+RUN npm install
+
+CMD npm run stack

LICENSE

@@ -0,0 +1,7 @@
+Copyright (c) 2020 Dennis Reimann <mail@dennisreimann.de> (https://dennisreimann.de)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

@@ -5,6 +5,13 @@ First off: Here's to you, [Bittr](https://getbittr.com/) – you will be missed!
 This script is not a full replacement for the incredible service Bittr offered, but it's a start:
 Automate your Stacking Sats process by regularly placing buy orders using the [Kraken API](https://www.kraken.com/features/api).
 
+---
+
+The original [Bittr is back](https://getbittr.com/press-releases/bittr-is-back)!
+This script is still fully working.
+
+---
+
 ## ✋ Caveat
 
 You need to install the dependency [kraken-api](https://github.com/nothingisdead/npm-kraken-api), which is a third-party package.
@@ -13,7 +20,88 @@ Also the version is fixed, so that unwanted changes do not slip in.
 
 However: Use this at your own risk and decide for yourself whether or not you want to run this script and its dependencies!
 
-## 📦 Setup
+## 🔑 API Key
+
+Obtain your Kraken API Key via [the API settings page](https://www.kraken.com/u/settings/api).
+Generate a new API key dedicated for stacking using the "Query Funds" and "Modify Orders" permissions:
+
+![Kraken API Key Permissions](./api-permissions.png)
+
+Only check the "Withdraw Funds" option if you plan to automatically withdraw Bitcoin from Kraken.
+See details below.
+
+## ⚙️ Configuration
+
+These are the environment variables used by the script:
+
+```sh
+# used to authenticate with Kraken
+KRAKEN_API_KEY="apiKeyFromTheKrakenSettings"
+KRAKEN_API_SECRET="privateKeyFromTheKrakenSettings"
+
+# used for buying
+KRAKEN_ORDER_TYPE="market" # "limit" (default) or "market"
+KRAKEN_API_FIAT="USD" # the governmental shitcoin you are selling
+KRAKEN_BUY_AMOUNT=21 # fiat amount you trade for the future of money
+KRAKEN_FEE_CURRENCY="XBT" # pay fee in this currency, e.g. buying XBT for USD and paying fee in XBT
+
+# used for withdrawal
+KRAKEN_MAX_REL_FEE=0.5 # maximum fee in % that you are willing to pay
+KRAKEN_WITHDRAW_KEY="descriptionOfWithdrawalAddress"
+
+# set this if you live in Germany and get the 'EOrder:Trading agreement required' error
+# see https://support.kraken.com/hc/en-us/articles/360000920026--Trading-agreement-required-error-for-German-residents
+KRAKEN_GERMANY_TRADING_AGREEMENT="agree"
+
+# remove this line after verifying everything works
+KRAKEN_DRY_RUN_PLACE_NO_ORDER=1
+```
+
+## ⚡️ RaspiBlitz Integration
+
+This script ships with the [RaspiBlitz](https://github.com/rootzoll/raspiblitz) (v1.6 and above).
+
+You can enable it via the Console of your RaspiBlitz.
+Leave the main menu via the last option "Console" and use the following commands:
+
+```sh
+# enable the script
+./config.scripts/bonus.stacking-sats-kraken.sh on
+
+# switch to the stackingsats user
+sudo su - stackingsats
+
+# edit your configuration (see the "Configuration" section above)
+nano /mnt/hdd/app-data/stacking-sats-kraken/.env
+
+# follow the instructions from the first step to set up a cronjob
+crontab -e
+```
+
+Here is an example for a daily cronjob at 6:15am ...
+
+```sh
+SHELL=/bin/bash
+PATH=/bin:/usr/sbin:/usr/bin:/usr/local/bin
+15 6 * * * /home/stackingsats/stacking-sats-kraken/stacksats.sh > /dev/null 2>&1
+```
+
+**Note:** Do not run `npm` directly on the RaspiBlitz, like show in the examples below.
+Please use the `/home/stackingsats/stacking-sats-kraken/stacksats.sh` shell script instead, as this loads your configuration.
+
+To run the script manually, switch to the `stackingsats` user and use this command:
+
+```sh
+# switch to the stackingsats user
+sudo su - stackingsats
+
+# run the script
+./stacking-sats-kraken/stacksats.sh
+```
+
+- - -
+
+## 📦 Custom Setup
 
 Prerequisite: At least the current LTS version of [Node.js](https://nodejs.org/).
 
@@ -23,19 +111,13 @@ Install the dependencies:
 npm install
 ```
 
-Setup the environment variables for the script:
-
-```sh
-export KRAKEN_API_KEY="apiKeyFromTheKrakenSettings"
-export KRAKEN_API_SECRET="privateKeyFromTheKrakenSettings"
-export KRAKEN_API_FIAT="USD" # the governmental shitcoin you are selling
-export KRAKEN_BUY_AMOUNT=21 # fiat amount you trade for the future of money
-```
+Setup the environment variables for the script.
+See the [config section above](#-configuration).
 
 Use a dry run to test the script and see the output without placing an order:
 
 ```sh
-npm test
+npm run test:stack
 ```
 
 You should see something like this sample output:
@@ -55,38 +137,98 @@ You should see something like this sample output:
 When you are good to go, execute this command in a regular interval:
 
 ```sh
-npm run stack-sats
+npm run stack
 ```
 
 The best and easiest way is to wrap it all up in a shell script.
 This script can be triggered via cron job, e.g. weekly, daily or hourly.
 
-Here's a sample `stack-sats.sh` script:
+Here's a sample `stacksats.sh` script:
 
 ```sh
 #!/bin/bash
 set -e
 
-# hide deprecation warning
-export NODE_OPTIONS="--no-deprecation"
-
 export KRAKEN_API_KEY="apiKeyFromTheKrakenSettings"
 export KRAKEN_API_SECRET="privateKeyFromTheKrakenSettings"
+export KRAKEN_ORDER_TYPE="market"
 export KRAKEN_API_FIAT="USD"
 export KRAKEN_BUY_AMOUNT=21
+export KRAKEN_MAX_REL_FEE=0.5
+export KRAKEN_WITHDRAW_KEY="descriptionOfWithdrawalAddress"
+export KRAKEN_DRY_RUN_PLACE_NO_ORDER=1
 
-BASE_DIR=$(cd `dirname $0` && pwd)
-cd $BASE_DIR/stacking-sats-kraken
-result=$(npm run stack-sats 2>&1)
-echo $result
+# run script
+cd $(cd `dirname $0` && pwd)
+cmd=${1:-"stack"}
 
-# Optional: Send yourself an email
+if [[ "${KRAKEN_DRY_RUN_PLACE_NO_ORDER}" ]]; then
+  result=$(npm run test:$cmd --silent 2>&1)
+else
+  result=$(npm run $cmd --silent 2>&1)
+fi
+echo "$result"
+
+# optional: send yourself an email
 recipient="satstacker@example.org"
 echo "Subject: Sats got stacked
 From: satstacker@example.org
 To: $recipient $result" | /usr/sbin/sendmail $recipient
 ```
 
-Make it executable with `chmod +x stack-sats.sh` and go wild.
+Make it executable with `chmod +x stacksats.sh` and go wild.
 
 [Stay humble!](https://twitter.com/matt_odell/status/1117222441867194374) 🙏
+
+## 🔑 Withdrawal
+
+Holding significant amounts on an exchange is never a good idea.
+You should regularly take ownership of your coins by withdrawing to your own wallet.
+This can either be done manually or it can be automated.
+The script provided here will only withdraw to a previously defined Bitcoin address if the relative fees do not exceed a certain limit.
+
+*It is optional to run the withdrawal script.*
+
+### Example 1
+
+- Max. relative fee: 0.5%
+- Fixed Kraken fee: ₿ 0.00050
+- Balance: ₿ 0.06000
+➡️ No withdrawal since fee actual (0.83%) is too high
+
+### Example 2
+
+- Max. relative fee: 0.5%
+- Fixed Kraken fee: ₿ 0.00050
+- Balance: ₿ 0.12000
+➡️ Withdrawal executed since actual fee (0.42%) is low enough
+
+In case you plan to automatically withdraw from Kraken, a withdrawal method must first be defined.
+If you already set up a methode you can reuse it.
+Otherwise generate a new one by going to **Funding > Bitcoin (XBT) withdraw > Add address**.
+The description field will later be used as an environment variable in the script.
+
+To test the withdrawal of funds to your defined address run:
+
+```sh
+npm run test:withdraw
+```
+
+You should see something like this:
+
+```text
+💡  Relative fee of withdrawal amount: 5.57%
+❌  Fee is too high – max rel. fee: 0.50%
+```
+
+It is recommended to run the withdrawal script every time you stacked sats:
+
+```sh
+npm run withdraw
+```
+
+Since it can take a couple seconds or minutes for your order to fill, you should run the following script a couple hours later after the stacking script.
+Just set up a second cron job which executes the withdrawal script.
+
+If you are using the aforementioned `stacksats.sh` script you can withdraw via this command:
+`stacksats.sh withdraw`

commands/stack.js

@@ -0,0 +1,55 @@
+module.exports = async (kraken, validate, { getEnv, getEnvOpt }) => {
+  const [crypto, fiat, amount, feeCurrency] = getEnv('KRAKEN_API_CRYPTO', 'KRAKEN_API_FIAT', 'KRAKEN_BUY_AMOUNT', 'KRAKEN_FEE_CURRENCY')
+  const ordertype = getEnvOpt('KRAKEN_ORDER_TYPE', 'limit', ['limit', 'market'])
+  // if living in Germany, one needs to add an additional parameter to explicitly agree to the trade
+  // if the parameter is not set one will get the following error: EOrder:Trading agreement required
+  // see https://support.kraken.com/hc/en-us/articles/360000920026--Trading-agreement-required-error-for-German-residents
+  const trading_agreement = getEnvOpt('KRAKEN_GERMANY_TRADING_AGREEMENT', '', ['agree', ''])
+
+  // https://www.kraken.com/features/api
+  const pair = `${crypto}${fiat}`
+
+  // for explanation of oflags see https://www.kraken.com/features/api#add-standard-order
+  var fee = ""
+  if (feeCurrency == crypto) {
+    fee = "fcib"
+  } else if (feeCurrency == fiat) {
+    fee = "fciq"
+  } else {
+    fee = ""
+  }
+
+  // Fetch and display information
+  const { result: balance } = await kraken.api('Balance')
+  const { result: ticker } = await kraken.api('Ticker', { pair })
+
+  const fiatBalance = balance[`Z${fiat}`] || balance[fiat] || 0.0
+  const cryptoBalance = balance[`X${crypto}`] || balance[crypto] || 0.0
+  const [{ a: [a], b: [b] }] = Object.values(ticker)
+  const ask = parseFloat(a)
+  const bid = parseFloat(b)
+  const price = bid
+
+  // Calculate volume and adjust precision
+  const volume = (amount / price).toFixed(8)
+
+  console.log('💰  Balance:', fiatBalance, fiat, '/', cryptoBalance, crypto, '\n')
+  console.log('📈  Ask:', ask, fiat)
+  console.log('📉  Bid:', bid, fiat, '\n')
+
+  if (parseFloat(fiatBalance) < parseFloat(amount)) {
+    console.log('❌  Insufficient funds')
+    return
+  }
+
+  // Place order
+  const details = { pair, type: 'buy', ordertype, price, volume }
+  if (validate) details.validate = true
+  if (trading_agreement) details.trading_agreement = trading_agreement
+  if (fee) details.oflags = fee
+
+  const { result: { descr: { order }, txid } } = await kraken.api('AddOrder', details)
+
+  console.log('💸  Order:', order)
+  if (txid) console.log('📎  Transaction ID:', txid.join(', '))
+}

commands/withdraw.js

@@ -0,0 +1,25 @@
+module.exports = async (kraken, validate, { getEnv }) => {
+  const [maxFee, key] = getEnv('KRAKEN_MAX_REL_FEE', 'KRAKEN_WITHDRAW_KEY')
+
+  // https://api.kraken.com/0/private/WithdrawInfo
+  const asset = 'XBT'
+  const withdrawdetails = { asset, key, amount: 0 }
+
+  // Get withdrawal information
+  const { result: { limit, fee } } = await kraken.api('WithdrawInfo', withdrawdetails)
+  const relFee = 1/parseFloat(limit)*parseFloat(fee)
+
+  console.log(`💡  Relative fee of withdrawal amount: ${(relFee*100).toFixed(2)}%`)
+
+  // Place withdrawal when fee is low enough (relatively)
+  if (relFee < maxFee/100) {
+    console.log(`💰  Withdraw ${limit} ${asset} now.`)
+    const withdraw = { asset, key, amount: limit }
+    if (!validate) {
+      const { result: { refid } } = await kraken.api('Withdraw', withdraw)
+      if (refid) console.log(`📎  Withdrawal reference ID: ${refid}`)
+    }
+  } else {
+    console.log(`❌  Fee is too high - max rel. fee: ${parseFloat(maxFee).toFixed(2)}%`)
+  }
+}

index.js

@@ -1,48 +1,28 @@
 const assert = require('assert')
 const Kraken = require('kraken-api')
 
-const {
-  KRAKEN_API_KEY: key,
-  KRAKEN_API_SECRET: secret,
-  KRAKEN_API_FIAT: fiat,
-  KRAKEN_BUY_AMOUNT: amount
-} = process.env
-
-assert(key && secret, 'Provide the KRAKEN_API_KEY and KRAKEN_API_SECRET environment variables.')
-assert(fiat && amount, 'Provide the KRAKEN_API_FIAT and KRAKEN_BUY_AMOUNT environment variables.')
-
-// https://www.kraken.com/features/api
-const kraken = new Kraken(key, secret)
-const crypto = 'XBT'
-const pair = `X${crypto}Z${fiat}`
-const validate = process.argv[2] === '--validate'
+const getEnv = (...vars) => vars.map(name => {
+  const value = process.env[name]
+  assert(value, `Provide the ${name} environment variable.`)
+  return value
+})
+const getEnvOpt = (varname, defaultValue, allowedValues) => {
+  const value = process.env[varname] || defaultValue
+  if (allowedValues) assert(allowedValues.includes(value), `The ${varname} environment variable must be one of ${allowedValues.map(v => `"${v}"`).join(", ")}.`)
+  return value
+}
+const command = process.argv[2].replace('--cmd=', '')
+const validate = process.argv.includes('--validate') || process.env['KRAKEN_DRY_RUN_PLACE_NO_ORDER']
 
 ;(async () => {
-  // Fetch and display information
-  const { result: { [`Z${fiat}`]: fiatBalance, [`X${crypto}`]: cryptoBalance } } = await kraken.api('Balance')
-  const { result: { [pair]: { a: [a], b: [b] } } } = await kraken.api('Ticker', { pair })
-
-  const ask = parseFloat(a)
-  const bid = parseFloat(b)
-  const price = bid
-
-  // Calculate volume and adjust precision
-  const volume = (amount / price).toFixed(8)
-
-  console.log('💰  Balance:', fiatBalance, fiat, '/', cryptoBalance, crypto, '\n')
-  console.log('📈  Ask:', ask, fiat)
-  console.log('📉  Bid:', bid, fiat, '\n')
-
-  // Place order
   try {
-    const details = { pair, type: 'buy', ordertype: 'limit', price, volume }
-    if (validate) details.validate = true
+    const [apiKey, secret] = getEnv('KRAKEN_API_KEY', 'KRAKEN_API_SECRET')
+    const kraken = new Kraken(apiKey, secret, { timeout: 30000 })
 
-    const { result: { descr: { order }, txid } } = await kraken.api('AddOrder', details)
+    const cmd = require(`./commands/${command}`)
+    await cmd(kraken, validate, { getEnv, getEnvOpt })
 
-    console.log('💸  Order:', order)
-    if (txid) console.log('📎  Transaction ID:', txid.join(', '))
-    if (validate) console.log('\n🚨  THIS WAS JUST A VALIDATION RUN, NO ORDER HAS BEEN PLACED!')
+    if (validate) console.log('\n🚨  THIS WAS JUST A VALIDATION RUN!')
   } catch (err) {
     console.log(`\n🚨  Failure:`, err.message)
   }

package-lock.json

@@ -1,159 +1,582 @@
 {
   "name": "stacking-sats-kraken",
-  "version": "0.2.0",
-  "lockfileVersion": 1,
+  "version": "0.4.5",
+  "lockfileVersion": 2,
   "requires": true,
+  "packages": {
+    "": {
+      "name": "stacking-sats-kraken",
+      "version": "0.4.5",
+      "license": "MIT",
       "dependencies": {
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-      "integrity": "sha1-gKTdMjdIOEv6JICDYirt7Jgq3/M=",
+        "kraken-api": "1.0.1"
+      },
+      "funding": {
+        "url": "https://github.com/dennisreimann/stacking-sats-kraken?sponsor=1"
+      }
+    },
+    "node_modules/@sindresorhus/is": {
+      "version": "4.0.0",
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+        "@types/keyv": "*",
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 }

package.json

@@ -1,16 +1,23 @@
 {
   "private": true,
   "name": "stacking-sats-kraken",
-  "version": "0.2.0",
+  "version": "0.4.5",
   "description": "Use the Kraken API to stack sats",
   "author": "Dennis Reimann <mail@dennisreimann.de>",
+  "homepage": "https://github.com/dennisreimann/stacking-sats-kraken",
+  "bugs": "https://github.com/dennisreimann/stacking-sats-kraken/issues",
+  "funding": {
+    "url": "https://github.com/dennisreimann/stacking-sats-kraken?sponsor=1"
+  },
   "license": "MIT",
-  "main": "index.js",
+  "main": "stack.js",
   "scripts": {
-    "stack-sats": "node index.js",
-    "test": "node index.js --validate"
+    "stack": "node index.js --cmd=stack",
+    "withdraw": "node index.js --cmd=withdraw",
+    "test:stack": "node index.js --cmd=stack --validate",
+    "test:withdraw": "node index.js --cmd=withdraw --validate"
   },
   "dependencies": {
-    "kraken-api": "1.0.0"
+    "kraken-api": "1.0.1"
   }
 }