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tx.py
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tx.py
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#!/usr/bin/env python
import curses, time, binascii
import global_mod as g
import getstr
import footer
def draw_window(state, window):
# TODO: add transaction locktime, add sequence to inputs
window.clear()
window.refresh()
win_header = curses.newwin(3, 75, 0, 0)
unit = 'DRK'
if 'testnet' in state:
if state['testnet']:
unit = 'tDRK'
if 'tx' in state:
win_header.addstr(0, 1, "txid: " + state['tx']['txid'], curses.A_BOLD)
win_header.addstr(1, 1, str(state['tx']['size']) + " bytes (" + str(state['tx']['size']/1024) + " KB) ", curses.A_BOLD)
if 'total_outputs' in state['tx']:
output_string = "%.8f" % state['tx']['total_outputs'] + " " + unit
if 'total_inputs' in state['tx']:
if state['tx']['total_inputs'] == 'coinbase':
fee = 0
output_string += " (coinbase)"
else: # Verbose mode only
fee = state['tx']['total_inputs'] - state['tx']['total_outputs']
output_string += " + " + "%.8f" % fee + " " + unit + " fee"
else:
output_string += " + unknown fee"
win_header.addstr(1, 26, output_string.rjust(45), curses.A_BOLD)
if 'confirmations' in state['tx']:
win_header.addstr(2, 1, str(state['tx']['confirmations']) + " conf", curses.A_BOLD)
else:
win_header.addstr(2, 1, "unconfirmed", curses.A_BOLD)
win_header.addstr(2, 56, "(G: enter txid)", curses.A_BOLD)
draw_inputs(state)
draw_outputs(state)
else:
win_header.addstr(0, 1, "no transaction loaded", curses.A_BOLD + curses.color_pair(3))
win_header.addstr(1, 1, "if you have entered one, consider running darkcoind with -txindex", curses.A_BOLD)
win_header.addstr(2, 1, "press 'G' to enter a txid", curses.A_BOLD)
win_header.refresh()
footer.draw_window(state)
def draw_inputs(state):
window_height = (state['y'] - 4) / 2
window_width = state['x']
win_inputs = curses.newwin(window_height, window_width, 3, 0)
if state['tx']['mode'] == 'inputs':
win_inputs.addstr(0, 1, "inputs: (UP/DOWN: select, ENTER: view, V: verbose)", curses.A_BOLD + curses.color_pair(3))
else:
win_inputs.addstr(0, 1, "inputs: (TAB: switch to, V: verbose)", curses.A_BOLD + curses.color_pair(5))
# reset cursor if it's been resized off the bottom
if state['tx']['cursor'] > state['tx']['offset'] + (window_height-2):
state['tx']['offset'] = state['tx']['cursor'] - (window_height-2)
offset = state['tx']['offset']
for index in xrange(offset, offset+window_height-1):
if index < len(state['tx']['vin']):
if 'txid' in state['tx']['vin'][index]:
buffer_string = state['tx']['vin'][index]['txid'] + ":" + "%03d" % state['tx']['vin'][index]['vout']
if 'prev_tx' in state['tx']['vin'][index]:
vout = state['tx']['vin'][index]['prev_tx']
if 'value' in vout:
if vout['scriptPubKey']['type'] == "pubkeyhash":
buffer_string = "% 14.8f" % vout['value'] + ": " + vout['scriptPubKey']['addresses'][0].ljust(34)
else:
if len(vout['scriptPubKey']['asm']) > window_width-37:
buffer_string = "% 14.8f" % vout['value'] + ": ..." + vout['scriptPubKey']['asm'][-(window_width-40):]
else:
buffer_string = "% 14.8f" % vout['value'] + ": " + vout['scriptPubKey']['asm']
length = len(buffer_string)
if length + 72 < window_width:
buffer_string += " " + state['tx']['vin'][index]['txid'] + ":" + "%03d" % state['tx']['vin'][index]['vout']
else:
buffer_string += " " + state['tx']['vin'][index]['txid'][:(window_width-length-14)] + "[...]:" + "%03d" % state['tx']['vin'][index]['vout']
if index == (state['tx']['cursor']):
win_inputs.addstr(index+1-offset, 1, ">", curses.A_REVERSE + curses.A_BOLD)
condition = (index == offset+window_height-2) and (index+1 < len(state['tx']['vin']))
condition = condition or ( (index == offset) and (index > 0) )
if condition:
win_inputs.addstr(index+1-offset, 3, "...")
else:
win_inputs.addstr(index+1-offset, 3, buffer_string)
elif 'coinbase' in state['tx']['vin'][index]:
coinbase = "[coinbase] " + state['tx']['vin'][index]['coinbase']
coinbase_string = " [strings] " + binascii.unhexlify(state['tx']['vin'][index]['coinbase'])
# strip non-ASCII characters
coinbase_string = ''.join([x for x in coinbase_string if 31 < ord(x) < 127])
if len(coinbase) > window_width-1:
win_inputs.addstr(index+1-offset, 1, coinbase[:window_width-5] + " ...")
else:
win_inputs.addstr(index+1-offset, 1, coinbase[:window_width-1])
if len(coinbase_string) > window_width-1:
win_inputs.addstr(index+2-offset, 1, coinbase_string[:window_width-5] + " ...")
else:
win_inputs.addstr(index+2-offset, 1, coinbase_string[:window_width-1])
win_inputs.refresh()
def draw_outputs(state):
window_height = (state['y'] - 4) / 2
win_outputs = curses.newwin(window_height, 75, 3+window_height, 0)
if state['tx']['mode'] == 'outputs':
win_outputs.addstr(0, 1, "outputs: (UP/DOWN: scroll)", curses.A_BOLD + curses.color_pair(3))
else:
win_outputs.addstr(0, 1, "outputs: (TAB: switch to)", curses.A_BOLD + curses.color_pair(5))
offset = state['tx']['out_offset']
for index in xrange(offset, offset+window_height-1):
if index < len(state['tx']['vout_string']):
condition = (index == offset+window_height-2) and (index+1 < len(state['tx']['vout_string']))
condition = condition or ( (index == offset) and (index > 0) )
if condition:
win_outputs.addstr(index+1-offset, 1, "... ")
else:
string = state['tx']['vout_string'][index]
if '[UNSPENT]' in string:
color = curses.color_pair(1)
elif '[SPENT]' in string or '[UNCONFIRMED SPEND]' in string:
color = curses.color_pair(3)
else:
color = 0
win_outputs.addstr(index+1-offset, 1, string, color)
win_outputs.refresh()
def draw_input_window(state, window, rpc_queue):
color = curses.color_pair(2)
if 'testnet' in state:
if state['testnet']: color = curses.color_pair(3)
window.clear()
window.addstr(0, 1, "darkcoind-ncurses " + g.version + " [transaction input mode]", color + curses.A_BOLD)
window.addstr(1, 1, "please enter txid", curses.A_BOLD)
window.refresh()
entered_txid = getstr.getstr(67, 3, 1) # w, y, x
if len(entered_txid) == 64: # TODO: better checking for valid txid here
s = {'txid': entered_txid}
rpc_queue.put(s)
window.addstr(5, 1, "waiting for transaction (will stall here if not found)", color + curses.A_BOLD)
window.refresh()
state['mode'] = 'tx'
else:
window.addstr(5, 1, "not a valid txid", color + curses.A_BOLD)
window.refresh()
time.sleep(0.5)
window.clear()
window.refresh()
state['mode'] = "overview"