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Alex Koin

A centralized non-crypto cryptocurrency. Also just a fun bot for slack.

Welcome

Alex Koin is being rewritten in golang. If you are interesteded in helping out, please read on!

Development

You'll need to copy the example .env.template to your own local .env.

$ cp .env.template .env
  1. make up
  2. ngrok http -subdomain=yourdomain 3000
  3. Configure Slack app's event endpoint to call https://yourdomain.ngrok.io/events
  4. Add slack settings to .env file (copy .env.template)

Database Setup

CREATE DATABASE akc;
CREATE EXTENSION IF NOT EXISTS "uuid-ossp";

This should be run with your local psql command. The \copy function will pull from your local directory.

\COPY
	(SELECT ID,
			EMAIL,
			FIRST_NAME,
			LAST_NAME,
			SLACK_ID,
			INSERTED_AT AS CREATED_AT,
			UPDATED_AT
		FROM USERS) TO 'users.csv' WITH CSV HEADER;

\COPY
	(SELECT COINS.ID,
			COINS.HASH,
			COINS.ORIGIN,
			WALLETS.USER_ID AS USER_ID,
			COINS.MINED_BY_ID AS MINED_BY_USER_ID,
			COINS.CREATED_BY_USER_ID,
			COINS.INSERTED_AT AS CREATED_AT,
			COINS.UPDATED_AT
		FROM COINS
		LEFT JOIN WALLETS ON COINS.WALLET_ID = WALLETS.ID) TO 'coins.csv' WITH CSV HEADER

\COPY
  (SELECT 
    ID,
    AMOUNT,
    MEMO,
    FROM_ID AS FROM_USER_ID,
    TO_ID AS TO_USER_ID,
    COIN_ID,
    INSERTED_AT AS CREATED_AT,
    UPDATED_AT
    FROM TRANSACTIONS
    ) TO 'transactions.csv' WITH CSV HEADER
\COPY USERS (
 ID,
 EMAIL,
 FIRST_NAME,
 LAST_NAME,
 SLACK_ID,
 CREATED_AT,
 UPDATED_AT)
FROM 'users.csv' WITH CSV HEADER;

\COPY COINS (
 ID,
 HASH,
 ORIGIN,
 USER_ID,
 MINED_BY_USER_ID,
 CREATED_BY_USER_ID,
 CREATED_AT,
 UPDATED_AT)
FROM 'coins.csv' WITH CSV HEADER

\COPY TRANSACTIONS (
 ID,
 AMOUNT,
 MEMO,
 FROM_USER_ID,
 TO_USER_ID,
 COIN_ID,
 CREATED_AT,
 UPDATED_AT)
FROM 'transactions.csv' WITH CSV HEADER

Proxy outbound requests

Configure a proxy by setting the env var http_proxy, eg export http_proxy=http://127.0.0.1:9999. I use Charles proxy for this to see the calls to Slack.