I've recently developed software on Microsoft's Cloud platform [Azure](https://azure.microsoft.com) and [Slack Bot APIs](https://api.slack.com/apps/) in order to come up with a nice spread of real-time Bitcoin Transaction Fees.  I wanted to share with you how I've done this and perhaps you can use it yourself as well.

All source code is published on my [GitHub Gist](https://gist.github.com/lmoxiel/262a641859f0eaa77afaeaf64c379c02).

# Architecture Overview
![](https://steemitimages.com/DQmcT2vFnBckYWPUJzBp78JfHBHUGqGxYMigbTax1UHf5ov/image.png)

# Step 1
User issues a configured Slash command such as /fees which sends an HTTPS Request to the [Azure Function](https://docs.microsoft.com/en-us/azure/azure-functions/).

# Step 2
1. The Azure functions pulls real-time Bitcoin Transaction data from http://bitcoinfees.earn.com.
2. Computes transactions fees in *very slow*, *slow*, *medium*, and *fast* categories.
3. Does some nifty code to parse out the Slack user who invoked the slack bot
4. Sends an HTTP webhook back to the Slack Bot

# Step 3
The Slack bot sends the results back to the Slack channel

![](https://steemitimages.com/DQmQWEynJtgBN9DyayEGHZs8KN8ALuPVZuBKbaHTSBek4Mq/image.png)


So if I go into Coinbase right now and try to send BTC to another address, it'll charge me ~$16 USD which as you can see is on the faster side (roughly 36min) of the transaction fees.  If you could manually adjust the speeds, you can easily pay about $1 and just get it the next day.

Here is a screenshot of configuring the actual Slack Bot application

![](https://steemitimages.com/DQmaENKyNiPQe1K4wkYLhpcaahqzodQs8a729ArAo5KtKdp/image.png)
![](https://steemitimages.com/DQmUcvUsi2RXFf3qjurAMKdLeFZgW656sTVgSkfCqUQrYjX/image.png)
![](https://steemitimages.com/DQmZCTjjsFvVHrpxVoXv5E3koiPjXxDsdoDuc9eEiXb3FzA/image.png)
![](https://steemitimages.com/DQmQVNipgSVbh9U6FoxdQxph5ttMgZxcGRAFBLxWFkUgMMs/image.png)

The Azure Function itself is written in [Microsoft PowerShell](https://docs.microsoft.com/en-us/powershell/) code which can be [downloaded here](https://gist.github.com/lmoxiel/262a641859f0eaa77afaeaf64c379c02):
![](https://steemitimages.com/DQmcsurGdyRRG2in5Rfp4WJxjxgwH1XEQqXQo4aUYSrYoBM/image.png)

# Enjoy!


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