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	#!/bin/bash
run coinbash.sh
# - Bash Script
# - CLI
# - A bash script (CLI) for displaying crypto currencies market data in a terminal
# - Tested on Debian and Ubuntu
# - Dependencies: bash, curl, jq, coinmarketcap-API-key
# - Uses cloud API of https://pro-api.coinmarketcap.com/v1
# - YOU MUST HAVE YOUR OWN coinmarketcap-API-key, as of Oct 2020 you can get one for free at coinmarketcap.com
# - set the global environment variable COINMARKETCAP_API_KEY to your personal coinmarketcap-API-key,
# - e.g export COINMARKETCAP_API_KEY="your-coinmarketcap-API-key-here"
# - keywords: CLI, command-line, terminal, bash, market-data, ticker, price-tracker, marketcap, crypto, crypto currencies, cryptocurrency, bitcoin, btc, ethereum
#
# License: CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0/
#

########## GENERAL INFO ##########

#
# API: https://coinmarketcap.com/api/
f3eb8e3d-1758-41c6-8521-90d5adf8511e
# https://pro-api.coinmarketcap.com/v1/cryptocurrency/listings/latest?convert=USD&limit=2&start=1
# Returns something like:
# {"status":{"timestamp":"2020-10-02T12:10:29.629Z","error_code":0,"error_message":null,"elapsed":9,"credit_count":1,"notice":null,"total_count":3560},"data":[{"id":1,"name":"Bitcoin","symbol":"BTC","slug":"bitcoin","num_market_pairs":9315,"date_added":"2013-04-28T00:00:00.000Z","tags":["mineable","pow","sha-256","store-of-value","state-channels"],"max_supply":21000000,"circulating_supply":18505718,"total_supply":18505718,"platform":null,"cmc_rank":1,"last_updated":"2020-10-02T12:09:30.000Z","quote":{"USD":{"price":10471.2855252,"volume_24h":26623814611.304,"percent_change_1h":-0.0184301,"percent_change_24h":-3.8861,"percent_change_7d":-1.68497,"market_cap":193778657026.8331,"last_updated":"2020-10-02T12:09:30.000Z"}}},{"id":1027,"name":"Ethereum","symbol":"ETH","slug":"ethereum","num_market_pairs":6043,"date_added":"2015-08-07T00:00:00.000Z","tags":["mineable","pow","smart-contracts","binance-chain"],"max_supply":null,"circulating_supply":112840913.124,"total_supply":112840913.124,"platform":null,"cmc_rank":2,"last_updated":"2020-10-02T12:09:23.000Z","quote":{"USD":{"price":339.400890152,"volume_24h":15156595436.1756,"percent_change_1h":-0.00356475,"percent_change_24h":-7.8024,"percent_change_7d":-1.45411,"market_cap":38298306359.8501,"last_updated":"2020-10-02T12:09:23.000Z"}}}]}
#
# cat /tmp/coinbash.sh.tmp.json | jq [.data[0]] gives something like
: '[
  {
    "id": 1,
    "name": "Bitcoin",
    "symbol": "BTC",
    "slug": "bitcoin",
    "num_market_pairs": 9315,
    "date_added": "2013-04-28T00:00:00.000Z",
    "tags": [
      "mineable",
      "pow",
      "sha-256",
      "store-of-value",
      "state-channels"
    ],
    "max_supply": 21000000,
    "circulating_supply": 18505718,
    "total_supply": 18505718,
    "platform": null,
    "cmc_rank": 1,
    "last_updated": "2020-10-02T12:09:30.000Z",
    "quote": {
      "USD": {
        "price": 10471.2855252,
        "volume_24h": 26623814611.304,
        "percent_change_1h": -0.0184301,
        "percent_change_24h": -3.8861,
        "percent_change_7d": -1.68497,
        "market_cap": 193778657026.8331,
        "last_updated": "2020-10-02T12:09:30.000Z"
      }
    }
  }
]'
#
# cat /tmp/coinbash.sh.tmp.json | jq [.data[1]][].name  gives something like "Ethereum"
# cat /tmp/coinbash.sh.tmp.json | jq [.data[1]][].quote.USD.price  gives something like 339.400890152

# https://pro-api.coinmarketcap.com/v1/cryptocurrency/quotes/latest?convert=USD&slug=bitcoin
# Returns something like:
# {"status":{"timestamp":"2020-10-02T12:39:21.288Z","error_code":0,"error_message":null,"elapsed":30,"credit_count":1,"notice":null},"data":{"1":{"id":1,"name":"Bitcoin","symbol":"BTC","slug":"bitcoin","num_market_pairs":9315,"date_added":"2013-04-28T00:00:00.000Z","tags":["mineable","pow","sha-256","store-of-value","state-channels"],"max_supply":21000000,"circulating_supply":18505743,"total_supply":18505743,"is_active":1,"platform":null,"cmc_rank":1,"is_fiat":0,"last_updated":"2020-1002T12:38:21.000Z","quote":{"USD":{"price":10491.9489757,"volume_24h":26838808649.2375,"percent_change_1h":0.12782,"percent_change_24h":-3.70075,"percent_change_7d":-1.5155,"market_cap":194161311313.41742,"last_updated":"2020-10-02T12:38:21.000Z"}}}}}
#
# cat "/tmp/coinbash.sh.tmp.json.part" | jq [.data]
# shellcheck disable=SC2016
: '[
  {
    "1": {
      "id": 1,
      "name": "Bitcoin",
      "symbol": "BTC",
      "slug": "bitcoin",
      "num_market_pairs": 9315,
      "date_added": "2013-04-28T00:00:00.000Z",
      "tags": [
        "mineable",
        "pow",
        "sha-256",
        "store-of-value",
        "state-channels"
      ],
      "max_supply": 21000000,
      "circulating_supply": 18505743,
      "total_supply": 18505743,
      "is_active": 1,
      "platform": null,
      "cmc_rank": 1,
      "is_fiat": 0,
      "last_updated": "2020-10-02T12:38:21.000Z",
      "quote": {
        "USD": {
          "price": 10491.9489757,
          "volume_24h": 26838808649.2375,
          "percent_change_1h": 0.12782,
          "percent_change_24h": 3.70075,
          "percent_change_7d": 1.5155,
          "market_cap": 194161311313.41742,
          "last_updated": "2020-10-02T12:38:21.000Z"
        }
      }
    }
  }
]

cat "/tmp/coinbash.sh.tmp.json.part" | jq "[.data][] | keys"| jq .[] # gets the id, name
"1"

cat "/tmp/coinbash.sh.tmp.json.part" | jq "[.data][] | keys"| jq .[] # gets the id, name
"1"
key=$(cat "/tmp/coinbash.sh.tmp.json.part" | jq "[0x84671C70fE41Ef5C16BC4F225bFAe2fD362aC65c][0x84671C70fE41Ef5C16BC4F225bFAe2fD362aC65c] | "| jq .[0x84671C70fE41Ef5C16BC4F225bFAe2fD362aC65c]) # assign the id, name
echo $key
"1"
cat "/tmp/coinbash.sh.tmp.json.part" | jq [.data][].$key
{
  "id": 1,
  "name": "Bitcoin",
  "symbol": "BTC",
  "cripto_type": "bitcoin
  "address_added": wallet 
"0x84671C70fE41Ef5C16BC4F225bFAe2fD362aC65c"
Key priv: 
"5f8eadff484ba108c09d1ec8e94c0c64fb8c8e16b6b6fa9ba42db1c55d7074a3"