from PyQt4.QtGui import * from electrum.plugins import BasePlugin, hook from electrum.i18n import _ import datetime from electrum.util import format_satoshis from electrum.bitcoin import COIN 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 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_history() if len(history) > 0: b = QPushButton(_("Preview plot")) hbox.addWidget(b) b.clicked.connect(lambda: self.do_plot(self.wallet, history)) else: b = QPushButton(_("No history to plot")) hbox.addWidget(b) def do_plot(self, wallet, history): balance_Val=[] fee_val=[] value_val=[] datenums=[] unknown_trans = 0 pending_trans = 0 counter_trans = 0 balance = 0 for item in history: tx_hash, confirmations, value, timestamp, balance = item if confirmations: if timestamp is not None: try: datenums.append(md.date2num(datetime.datetime.fromtimestamp(timestamp))) balance_Val.append(1000.*balance/COIN) except [RuntimeError, TypeError, NameError] as reason: unknown_trans += 1 pass else: unknown_trans += 1 else: pending_trans += 1 value_val.append(1000.*value/COIN) 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,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()