68 lines
2.0 KiB
Python
68 lines
2.0 KiB
Python
from PyQt5.QtGui import *
|
|
from electrum.i18n import _
|
|
|
|
|
|
import datetime
|
|
from collections import defaultdict
|
|
from electrum.bitcoin import COIN
|
|
|
|
import matplotlib
|
|
matplotlib.use('Qt5Agg')
|
|
import matplotlib.pyplot as plt
|
|
import matplotlib.dates as md
|
|
from matplotlib.patches import Ellipse
|
|
from matplotlib.offsetbox import AnchoredOffsetbox, TextArea, DrawingArea, HPacker
|
|
|
|
|
|
class NothingToPlotException(Exception):
|
|
def __str__(self):
|
|
return _("Nothing to plot.")
|
|
|
|
|
|
def plot_history(history):
|
|
if len(history) == 0:
|
|
raise NothingToPlotException()
|
|
hist_in = defaultdict(int)
|
|
hist_out = defaultdict(int)
|
|
for item in history:
|
|
if not item['confirmations']:
|
|
continue
|
|
if item['timestamp'] is None:
|
|
continue
|
|
value = item['value'].value/COIN
|
|
date = item['date']
|
|
datenum = int(md.date2num(datetime.date(date.year, date.month, 1)))
|
|
if value > 0:
|
|
hist_in[datenum] += value
|
|
else:
|
|
hist_out[datenum] -= value
|
|
|
|
f, axarr = plt.subplots(2, sharex=True)
|
|
plt.subplots_adjust(bottom=0.2)
|
|
plt.xticks( rotation=25 )
|
|
ax = plt.gca()
|
|
plt.ylabel('BTC')
|
|
plt.xlabel('Month')
|
|
xfmt = md.DateFormatter('%Y-%m-%d')
|
|
ax.xaxis.set_major_formatter(xfmt)
|
|
axarr[0].set_title('Monthly Volume')
|
|
xfmt = md.DateFormatter('%Y-%m')
|
|
ax.xaxis.set_major_formatter(xfmt)
|
|
width = 20
|
|
|
|
r1 = None
|
|
r2 = None
|
|
dates_values = list(zip(*sorted(hist_in.items())))
|
|
if dates_values and len(dates_values) == 2:
|
|
dates, values = dates_values
|
|
r1 = axarr[0].bar(dates, values, width, label='incoming')
|
|
axarr[0].legend(loc='upper left')
|
|
dates_values = list(zip(*sorted(hist_out.items())))
|
|
if dates_values and len(dates_values) == 2:
|
|
dates, values = dates_values
|
|
r2 = axarr[1].bar(dates, values, width, color='r', label='outgoing')
|
|
axarr[1].legend(loc='upper left')
|
|
if r1 is None and r2 is None:
|
|
raise NothingToPlotException()
|
|
return plt
|