Allow both BTC and sat amounts for single send / CJ

jmbitcoin/jmbitcoin/__init__.py

@@ -7,4 +7,5 @@ from jmbitcoin.secp256k1_transaction import *
 from jmbitcoin.secp256k1_deterministic import *
 from jmbitcoin.btscript import *
 from jmbitcoin.bech32 import *
+from jmbitcoin.amount import *
 

jmbitcoin/jmbitcoin/amount.py

@@ -0,0 +1,46 @@
+from decimal import Decimal
+
+def btc_to_sat(btc):
+    return int(Decimal(btc) * Decimal('1e8'))
+
+def sat_to_btc(sat):
+    return Decimal(sat) / Decimal('1e8')
+
+# 1             = 0.00000001 BTC = 1sat
+# 1sat          = 0.00000001 BTC = 1sat
+# 1.123sat      = 0.00000001 BTC = 1sat
+# 0.00000001    = 0.00000001 BTC = 1sat
+# 0.00000001btc = 0.00000001 BTC = 1sat
+# 1.00000000    = 1.00000000 BTC = 100000000sat
+# 1.12300000sat = 0.00000001 BTC = 1sat
+# 1btc          = 1.00000000 BTC = 10000000sat
+
+def amount_to_sat(amount_str):
+    amount_str = str(amount_str)
+    if amount_str.lower().endswith("btc"):
+        return int(btc_to_sat(amount_str[:-3]))
+    elif amount_str.lower().endswith("sat"):
+        return int(Decimal(amount_str[:-3]))
+    elif "." in amount_str:
+        return int(btc_to_sat(amount_str))
+    else:
+        return int(Decimal(amount_str))
+
+def amount_to_btc(amount_str):
+    return amount_to_sat(amount_str) / Decimal('1e8')
+
+def amount_to_sat_str(amount_str):
+    return str(amount_to_sat(amount_str)) + " sat"
+
+def amount_to_btc_str(amount_str):
+    return str(amount_to_btc(amount_str)) + " BTC"
+
+def amount_to_str(amount_str):
+    return amount_to_btc_str(amount_str) + " (" + amount_to_sat_str(amount_str) + ")"
+
+def sat_to_str(sat):
+    return '%.8f' % sat_to_btc(sat)
+
+def sat_to_str_p(sat):
+    return '%+.8f' % sat_to_btc(sat)
+

jmclient/jmclient/taker_utils.py

@@ -12,7 +12,7 @@ from .configure import jm_single, validate_address
 from .schedule import human_readable_schedule_entry, tweak_tumble_schedule,\
     schedule_to_text
 from .wallet import BaseWallet, estimate_tx_fee
-from jmbitcoin import deserialize, mktx, serialize, txhash
+from jmbitcoin import deserialize, mktx, serialize, txhash, amount_to_str
 log = get_log()
 
 """
@@ -74,9 +74,9 @@ def direct_send(wallet_service, amount, mixdepth, destaddr, answeryes=False,
         outs.append({"value": changeval, "address": change_addr})
 
     #Now ready to construct transaction
-    log.info("Using a fee of : " + str(fee_est) + " satoshis.")
+    log.info("Using a fee of : " + amount_to_str(fee_est) + ".")
     if amount != 0:
-        log.info("Using a change value of: " + str(changeval) + " satoshis.")
+        log.info("Using a change value of: " + amount_to_str(changeval) + ".")
     txsigned = sign_tx(wallet_service, mktx(list(utxos.keys()), outs), utxos)
     log.info("Got signed transaction:\n")
     log.info(pformat(txsigned))
@@ -84,7 +84,7 @@ def direct_send(wallet_service, amount, mixdepth, destaddr, answeryes=False,
     log.info("In serialized form (for copy-paste):")
     log.info(tx)
     actual_amount = amount if amount != 0 else total_inputs_val - fee_est
-    log.info("Sends: " + str(actual_amount) + " satoshis to address: " + destaddr)
+    log.info("Sends: " + amount_to_str(actual_amount) + " to address: " + destaddr)
     if not answeryes:
         if not accept_callback:
             if input('Would you like to push to the network? (y/n):')[0] != 'y':

jmclient/jmclient/wallet_utils.py

@@ -636,24 +636,20 @@ def wallet_fetch_history(wallet, options):
 
     def s():
         return ',' if options.csv else ' '
-    def sat_to_str(sat):
-        return '%.8f'%(sat/1e8)
-    def sat_to_str_p(sat):
-        return '%+.8f'%(sat/1e8)
     def sat_to_str_na(sat):
         if sat == 0:
             return "N/A       "
         else:
-            return '%.8f'%(sat/1e8)
+            return btc.sat_to_str(sat)
     def skip_n1(v):
         return '% 2s'%(str(v)) if v != -1 else ' #'
     def skip_n1_btc(v):
-        return sat_to_str(v) if v != -1 else '#' + ' '*10
+        return btc.sat_to_str(v) if v != -1 else '#' + ' '*10
     def print_row(index, time, tx_type, amount, delta, balance, cj_n,
                   total_fees, utxo_count, mixdepth_src, mixdepth_dst, txid):
         data = [index, datetime.fromtimestamp(time).strftime("%Y-%m-%d %H:%M"),
-                tx_type, sat_to_str(amount), sat_to_str_p(delta),
-                sat_to_str(balance), skip_n1(cj_n), sat_to_str_na(total_fees),
+                tx_type, btc.sat_to_str(amount), btc.sat_to_str_p(delta),
+                btc.sat_to_str(balance), skip_n1(cj_n), sat_to_str_na(total_fees),
                 '% 3d' % utxo_count, skip_n1(mixdepth_src), skip_n1(mixdepth_dst)]
         if options.verbosity % 2 == 0: data += [txid]
         jmprint(s().join(map('"{}"'.format, data)), "info")
@@ -870,8 +866,8 @@ def wallet_fetch_history(wallet, options):
         include_disabled=True).values())
     if balance + unconfirmed_balance != total_wallet_balance:
         jmprint(('BUG ERROR: wallet balance (%s) does not match balance from ' +
-            'history (%s)') % (sat_to_str(total_wallet_balance),
-                sat_to_str(balance)))
+            'history (%s)') % (btc.sat_to_str(total_wallet_balance),
+                btc.sat_to_str(balance)))
     wallet_utxo_count = sum(map(len, wallet.get_utxos_by_mixdepth(
         include_disabled=True, hexfmt=False).values()))
     if utxo_count + unconfirmed_utxo_count != wallet_utxo_count:
@@ -879,7 +875,7 @@ def wallet_fetch_history(wallet, options):
             'history (%s)') % (wallet_utxo_count, utxo_count))
 
     if unconfirmed_balance != 0:
-        jmprint('unconfirmed balance change = %s BTC' % sat_to_str(unconfirmed_balance))
+        jmprint('unconfirmed balance change = %s BTC' % btc.sat_to_str(unconfirmed_balance))
 
     # wallet-tool.py prints return value, so return empty string instead of None here
     return ''

scripts/joinmarket-qt.py

@@ -27,7 +27,6 @@ import sys, datetime, os, logging
 import platform, json, threading, time
 import qrcode
 
-from decimal import Decimal
 from PySide2 import QtCore
 
 from PySide2.QtGui import *
@@ -83,8 +82,6 @@ from qtsupport import ScheduleWizard, TumbleRestartWizard, config_tips,\
 
 
 from twisted.internet import task
-def satoshis_to_amt_str(x):
-    return str(Decimal(x)/Decimal('1e8')) + " BTC"
 
 log = get_log()
 
@@ -124,13 +121,13 @@ def checkAddress(parent, addr):
 def getSettingsWidgets():
     results = []
     sN = ['Recipient address', 'Number of counterparties', 'Mixdepth',
-          'Amount in bitcoins (BTC)']
+          'Amount (BTC or sat)']
     sH = ['The address you want to send the payment to',
           'How many other parties to send to; if you enter 4\n' +
           ', there will be 5 participants, including you.\n' +
           'Enter 0 to send direct without coinjoin.',
           'The mixdepth of the wallet to send the payment from',
-          'The amount IN BITCOINS to send.\n' +
+          'The amount to send, either BTC (if contains dot) or satoshis.\n' +
           'If you enter 0, a SWEEP transaction\nwill be performed,' +
           ' spending all the coins \nin the given mixdepth.']
     sT = [str, int, int, float]
@@ -591,9 +588,9 @@ class SpendTab(QWidget):
         note the callback includes the full prettified transaction,
         but currently not printing it for space reasons.
         """
-        mbinfo = ["Sending " + satoshis_to_amt_str(amount) + ",",
+        mbinfo = ["Sending " + btc.amount_to_str(amount) + ",",
                   "to: " + destaddr + ",",
-                  "Fee: " + satoshis_to_amt_str(fee) + ".",
+                  "Fee: " + btc.amount_to_str(fee) + ".",
                   "Accept?"]
         reply = JMQtMessageBox(self, '\n'.join([m + '<p>' for m in mbinfo]),
                                mbtype='question', title="Direct send")
@@ -614,7 +611,7 @@ class SpendTab(QWidget):
         destaddr = str(self.widgets[0][1].text())
         #convert from bitcoins (enforced by QDoubleValidator) to satoshis
         btc_amount_str = self.widgets[3][1].text()
-        amount = int(Decimal(btc_amount_str) * Decimal('1e8'))
+        amount = btc.amount_to_sat(btc_amount_str)
         makercount = int(self.widgets[1][1].text())
         mixdepth = int(self.widgets[2][1].text())
         if makercount == 0:
@@ -724,11 +721,9 @@ class SpendTab(QWidget):
             return
         offers, total_cj_fee = offers_fee
         total_fee_pc = 1.0 * total_cj_fee / self.taker.cjamount
-        #Note this will be a new value if sweep, else same as previously entered
-        btc_amount_str = satoshis_to_amt_str(self.taker.cjamount)
 
         mbinfo = []
-        mbinfo.append("Sending amount: " + btc_amount_str)
+        mbinfo.append("Sending amount: " + btc.amount_to_str(self.taker.cjamount))
         mbinfo.append("to address: " + self.taker.my_cj_addr)
         mbinfo.append(" ")
         mbinfo.append("Counterparties chosen:")
@@ -746,8 +741,8 @@ class SpendTab(QWidget):
                 return False
             mbinfo.append(k + ', ' + str(o['oid']) + ',         ' + str(
                 display_fee))
-        mbinfo.append('Total coinjoin fee = ' + str(total_cj_fee) +
-                      ' satoshis, or ' + str(float('%.3g' % (
+        mbinfo.append('Total coinjoin fee = ' + btc.amount_to_str(total_cj_fee) +
+                      ', or ' + str(float('%.3g' % (
                           100.0 * total_fee_pc))) + '%')
         title = 'Check Transaction'
         if total_fee_pc * 100 > jm_single().config.getint("GUI",
@@ -842,7 +837,7 @@ class SpendTab(QWidget):
     def persistTxToHistory(self, addr, amt, txid):
         #persist the transaction to history
         with open(jm_single().config.get("GUI", "history_file"), 'ab') as f:
-            f.write((','.join([addr, satoshis_to_amt_str(amt), txid,
+            f.write((','.join([addr, btc.amount_to_btc_str(amt), txid,
                               datetime.datetime.now(
                                   ).strftime("%Y/%m/%d %H:%M:%S")])).encode('utf-8'))
             f.write(b'\n')  #TODO: Windows

scripts/sendpayment.py

@@ -22,6 +22,7 @@ from twisted.python.log import startLogging
 from jmbase.support import get_log, set_logging_level, jmprint
 from cli_options import get_sendpayment_parser, get_max_cj_fee_values, \
      check_regtest
+import jmbitcoin as btc
 
 log = get_log()
 
@@ -64,9 +65,7 @@ def main():
     #of a single transaction
     sweeping = False
     if options.schedule == '':
-        #note that sendpayment doesn't support fractional amounts, fractions throw
-        #here.
-        amount = int(args[1])
+        amount = btc.amount_to_sat(args[1])
         if amount == 0:
             sweeping = True
         destaddr = args[2]
@@ -123,7 +122,7 @@ def main():
     if not options.p2ep and not options.pickorders and options.makercount != 0:
         maxcjfee = get_max_cj_fee_values(jm_single().config, options)
         log.info("Using maximum coinjoin fee limits per maker of {:.4%}, {} "
-                 "sat".format(*maxcjfee))
+                 "".format(maxcjfee[0], btc.amount_to_str(maxcjfee[1])))
 
     log.debug('starting sendpayment')