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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
def plot_history(wallet, history):
hist_in = defaultdict(int)
hist_out = defaultdict(int)
for item in history:
tx_hash, height, confirmations, timestamp, value, balance = item
if not confirmations:
continue
if timestamp is None:
continue
value = value*1./COIN
date = datetime.datetime.fromtimestamp(timestamp)
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
dates, values = zip(*sorted(hist_in.items()))
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')
return plt