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new layouts
[etc/awesome.git] / .config / awesome / cryptocoin_widgets.lua
1 local dkjson = require("lain.util").dkjson
2 local math = require("math")
3 local lain = require("lain")
4 local beautiful = require("beautiful")
5
6 local widgets = {}
7
8 local function poloniex_price(output, pair, prec)
9     local xc, pos, err = dkjson.decode(output, 1, nil)
10     if not prec then prec = 4 end
11     val = (xc and xc[pair]["last"]) or 0
12     val = math.floor(val*10^prec+0.5)/10^prec
13     return (not err and val) or "n/a"
14 end
15
16 widgets.eth_widget = lain.widget.watch({
17     cmd = "curl -m5 -s 'https://poloniex.com/public?command=returnTicker'",
18     timeout = 600,
19     settings = function()
20         widget:set_text(poloniex_price(output, 'BTC_ETH') .. " Ƀ/Ξ")
21     end,
22 })
23
24 local function coindesk_price(output, base, prec)
25     local xc, pos, err = dkjson.decode(output, 1, nil)
26     if not prec then prec = 4 end
27     val = (xc and xc["bpi"][base]["rate_float"]) or 0
28     val = math.floor(val*10^prec+0.5)/10^prec
29     return (not err and val) or "n/a"
30 end
31
32 widgets.btc_widget = lain.widget.watch({
33     cmd = "curl -m5 -Ls 'https://api.coindesk.com/v1/bpi/currentprice/EUR.json'",
34     timeout = 600,
35     settings = function()
36         widget:set_text(coindesk_price(output, "EUR", 2) .. " €/Ƀ")
37     end
38 })
39
40 return widgets