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from PyQt4.QtGui import *
from electrum.plugins import BasePlugin, hook
from electrum.i18n import _
import datetime
from electrum.util import format_satoshis
try:
import matplotlib.pyplot as plt
import matplotlib.dates as md
from matplotlib.patches import Ellipse
from matplotlib.offsetbox import AnchoredOffsetbox, TextArea, DrawingArea, HPacker
flag_matlib=True
except:
flag_matlib=False
class Plugin(BasePlugin):
def fullname(self):
return 'Plot History'
def description(self):
return '%s\n%s' % (_("Ability to plot transaction history in graphical mode."), _("Warning: Requires matplotlib library."))
def is_available(self):
if flag_matlib:
return True
else:
return False
@hook
def init_qt(self, gui):
self.win = gui.main_window
@hook
def export_history_dialog(self, d,hbox):
self.wallet = d.wallet
history = self.wallet.get_tx_history()
if len(history) > 0:
b = QPushButton(_("Preview plot"))
hbox.addWidget(b)
b.clicked.connect(lambda: self.do_plot(self.wallet))
else:
b = QPushButton(_("No history to plot"))
hbox.addWidget(b)
def do_plot(self,wallet):
history = wallet.get_tx_history()
balance_Val=[]
fee_val=[]
value_val=[]
datenums=[]
unknown_trans=0
pending_trans=0
counter_trans=0
for item in history:
tx_hash, confirmations, is_mine, value, fee, balance, timestamp = item
if confirmations:
if timestamp is not None:
try:
datenums.append(md.date2num(datetime.datetime.fromtimestamp(timestamp)))
balance_string = format_satoshis(balance, False)
balance_Val.append(float((format_satoshis(balance,False)))*1000.0)
except [RuntimeError, TypeError, NameError] as reason:
unknown_trans=unknown_trans+1
pass
else:
unknown_trans=unknown_trans+1
else:
pending_trans=pending_trans+1
if value is not None:
value_string = format_satoshis(value, True)
value_val.append(float(value_string)*1000.0)
else:
value_string = '--'
if fee is not None:
fee_string = format_satoshis(fee, True)
fee_val.append(float(fee_string))
else:
fee_string = '0'
if tx_hash:
label, is_default_label = wallet.get_label(tx_hash)
label = label.encode('utf-8')
else:
label = ""
f, axarr = plt.subplots(2, sharex=True)
plt.subplots_adjust(bottom=0.2)
plt.xticks( rotation=25 )
ax=plt.gca()
x=19
test11="Unknown transactions = "+str(unknown_trans)+" Pending transactions = "+str(pending_trans)+" ."
box1 = TextArea(" Test : Number of pending transactions", textprops=dict(color="k"))
box1.set_text(test11)
box = HPacker(children=[box1],
align="center",
pad=0.1, sep=15)
anchored_box = AnchoredOffsetbox(loc=3,
child=box, pad=0.5,
frameon=True,
bbox_to_anchor=(0.5, 1.02),
bbox_transform=ax.transAxes,
borderpad=0.5,
)
ax.add_artist(anchored_box)
plt.ylabel('mBTC')
plt.xlabel('Dates')
xfmt = md.DateFormatter('%Y-%m-%d')
ax.xaxis.set_major_formatter(xfmt)
axarr[0].plot(datenums,balance_Val,marker='o',linestyle='-',color='blue',label='Balance')
axarr[0].legend(loc='upper left')
axarr[0].set_title('History Transactions')
xfmt = md.DateFormatter('%Y-%m-%d')
ax.xaxis.set_major_formatter(xfmt)
axarr[1].plot(datenums,fee_val,marker='o',linestyle='-',color='red',label='Fee')
axarr[1].plot(datenums,value_val,marker='o',linestyle='-',color='green',label='Value')
axarr[1].legend(loc='upper left')
# plt.annotate('unknown transaction = %d \n pending transactions = %d' %(unknown_trans,pending_trans),xy=(0.7,0.05),xycoords='axes fraction',size=12)
plt.show()