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Fix script to fetch rates to ETH from cryptocompare API #4

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Fix script to fetch rates to ETH from cryptocompare API #4

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998609b
Fix script to fetch rates to eth from cryptocompare API
Mar 26, 2019
6c5c2b9
Update README for ETH prices
Mar 26, 2019
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6 changes: 3 additions & 3 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -95,17 +95,17 @@ instance=stellar
command=~/path/to/i3blocks-crypto/crypto
```

### Display Price in BTC
### Display Price in BTC or ETH

By default the coin values are displayed in USD. Add the argument BTC to the command string to make the output price be displayed in BTC
By default the coin values are displayed in USD. Add the argument with base currency to the command string to make the output price be displayed in specified currency

```
[crypto]
label=$
markup=pango
interval=61
instance=waves
command=~/path/to/i3blocks-crypto/crypto BTC
command=~/path/to/i3blocks-crypto/crypto BTC # or ETH
```

### Price Change Alerts
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35 changes: 21 additions & 14 deletions crypto
100755 → 100644
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Expand Up @@ -7,33 +7,40 @@ import os
import sys

PRICE_CHANGE_PERIOD = '1h' # Available: '1h', '24h', '7d'
PRICE_CHANGE_URGENT_PERCENT = 10
PRICE_CHANGE_URGENT_PERCENT = 5

API_URL = 'https://api.coinmarketcap.com/v1/ticker/{}/' # CoinMarketCap API
API_CRYPTOCOMPARE_URL = 'https://min-api.cryptocompare.com/data/pricemultifull?fsyms={}&tsyms={}' # CryptoCompare API
coin = os.environ.get('BLOCK_INSTANCE', 'bitcoin')
r = requests.get(API_URL.format(coin))
data = json.loads(r.text)[0]

base = 'usd'
if len(sys.argv) > 1: base = sys.argv[1]

if base.lower() == 'btc':
price = float(data['price_btc'])
percentChangeInfo = 0
percentChange = 0

base = base.lower()
percentChangeFormat = '<span color="{}">{}{:.2f}%</span>'

if base.lower() == 'eth':
r = requests.get(API_CRYPTOCOMPARE_URL.format(coin, 'ETH'))
data = json.loads(r.text)
raw_data = data['RAW'][coin]['ETH']
price = float(raw_data['PRICE'])
precision = 8
percentChange = float(raw_data['CHANGEPCT24HOUR'])
else:
price = float(data['price_usd'])
if price > 100: precision = 0
elif price > 0.1: precision = 2
else: precision = 6
r = requests.get(API_URL.format(coin))
data = json.loads(r.text)[0]
price = float(data['price_'+base])
precision = 8 if base == 'btc' else 2
percentChange = float(data['percent_change_' + PRICE_CHANGE_PERIOD])

percentChange = float(data['percent_change_' + PRICE_CHANGE_PERIOD])
percentChangeFormat = '<span color="{}">{}{:.2f}%</span>'
if percentChange > 0: percentChangeInfo = percentChangeFormat.format('#3BB92D', '', percentChange)
elif percentChange == 0: percentChangeInfo = percentChangeFormat.format('#CCCCCC', '', percentChange)
else: percentChangeInfo = percentChangeFormat.format('#F7555E', '', percentChange)

print(('{} {:.' + str(precision) + 'f} {}').format(data['symbol'], price, percentChangeInfo)) # Full Text
print(('{} {:.' + str(precision) + 'f}').format(data['symbol'], price)) # Short Text
print(('{} {:.' + str(precision) + 'f} {}').format('symbol' in data and data['symbol'] or coin, price, percentChangeInfo)) # Full Text
print(('{} {:.' + str(precision) + 'f}').format('symbol' in data and data['symbol'] or coin, price)) # Short Text

if percentChange > PRICE_CHANGE_URGENT_PERCENT:
exit(33)