proper rounding in bitcoin price

[etc/awesome.git] / .config / awesome / rc.lua

diff --git a/.config/awesome/rc.lua b/.config/awesome/rc.lua
index 970c0a45ea588bc38c48c3c37c4bc992fd6773f5..ac0676b9c4604faf30c49f9f8f76d543a81eb0a6 100644 (file)
--- a/.config/awesome/rc.lua
+++ b/.config/awesome/rc.lua
@@ -12,6 +12,7 @@ local naughty = require("naughty")
 local menubar = require("menubar")
 local hotkeys_popup = require("awful.hotkeys_popup").widget
 local lain = require("lain")
+local math = require("math")
 -- }}}
 
 -- {{{ Error handling
@@ -131,6 +132,22 @@ local lain_bat = lain.widgets.bat({
     end,
 })
 
+local function poloniex_price(output, pair, prec)
+    local xc, pos, err = require("lain.util").dkjson.decode(output, 1, nil)
+    if not prec then prec = 4 end
+    val = (xc and xc[pair]["last"]) or 0
+    val = math.floor(val*10^prec+0.5)/10^prec
+    return (not err and val) or "n/a"
+end
+
+local xc_widget = lain.widgets.abase({
+    cmd = "curl -m5 -s 'https://poloniex.com/public?command=returnTicker'",
+    timeout = 600,
+    settings = function()
+        widget:set_text(poloniex_price(output, 'BTC_ETH') .. " Ƀ/Ξ")
+    end
+})
+
 -- }}}
 
 -- {{{ Menu
@@ -300,6 +317,8 @@ awful.screen.connect_for_each_screen(function(s)
             layout = wibox.layout.fixed.horizontal,
             mykeyboardlayout,
             wibox.widget.systray(),
+            xc_widget,
+            spacer,
             lain_bat.widget,
             spacer,
             mytextclock,