Merge pull request #875 from YaChen-PaiJu-Waheeb-Azhar-Zakariyah/master

plugin added for plotting history transactions

gui/qt/main_window.py

@@ -2388,6 +2388,10 @@ class ElectrumWindow(QMainWindow):
 
         h, b = ok_cancel_buttons2(d, _('Export'))
         vbox.addLayout(h)
+        
+        run_hook('export_history_dialog', self,hbox)
+        self.update()
+        
         if not d.exec_():
             return
 

plugins/plot.py

@@ -0,0 +1,159 @@
+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
+
+
+
+    def is_enabled(self):
+        if not self.is_available():
+            return False
+        else:
+            return True
+
+
+    @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()

setup.py

@@ -133,6 +133,8 @@ setup(
         'electrum_plugins.labels',
         'electrum_plugins.trezor',
         'electrum_plugins.virtualkeyboard',
+        'electrum_plugins.plot',
+
     ],
     description="Lightweight Bitcoin Wallet",
     author="Thomas Voegtlin",