137 lines
3.4 KiB
Python
Executable file
137 lines
3.4 KiB
Python
Executable file
#!/usr/bin/env python
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import sys,os
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repo_root = os.path.split(os.path.abspath(os.path.dirname(sys.argv[0])))[0]
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sys.path = [repo_root] + sys.path
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from mmgen.common import *
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from mmgen.tool import *
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from mmgen.tx import *
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from mmgen.bitcoin import *
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from mmgen.seed import *
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from mmgen.term import do_pager
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help_data = {
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'desc': "Convert MMGen transaction file from old format to new format",
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'usage': "<tx file>",
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'options': """
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-h, --help Print this help message
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"""
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}
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import mmgen.opts
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cmd_args = opts.init(help_data)
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if len(cmd_args) != 1: opts.usage()
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def parse_tx_file(infile):
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err_str,err_fmt = '','Invalid %s in transaction file'
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tx_data = get_lines_from_file(infile)
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if len(tx_data) == 5:
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metadata,tx_hex,inputs_data,outputs_data,comment = tx_data
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elif len(tx_data) == 4:
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metadata,tx_hex,inputs_data,outputs_data = tx_data
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comment = ''
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else:
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err_str = 'number of lines'
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if not err_str:
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if len(metadata.split()) != 3:
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err_str = 'metadata'
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else:
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try: unhexlify(tx_hex)
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except: err_str = 'hex data'
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else:
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try: inputs_data = eval(inputs_data)
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except: err_str = 'inputs data'
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else:
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try: outputs_data = eval(outputs_data)
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except: err_str = 'btc-to-mmgen address map data'
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else:
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if comment:
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from mmgen.bitcoin import b58decode
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comment = b58decode(comment)
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if comment == False:
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err_str = 'encoded comment (not base58)'
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else:
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if is_valid_tx_comment(comment):
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comment = comment.decode('utf8')
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else:
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err_str = 'comment'
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if err_str:
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msg(err_fmt % err_str)
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sys.exit(2)
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else:
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return metadata.split(),tx_hex,inputs_data,outputs_data,comment
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def find_block_by_time(c,timestamp):
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secs = decode_timestamp(timestamp)
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block_num = c.getblockcount()
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# print 'secs:',secs, 'last block:',last_block
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top,bot = block_num,0
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m = 'Searching for block'
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msg_r(m)
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for i in range(40):
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msg_r('.')
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bhash = c.getblockhash(block_num)
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block = c.getblock(bhash)
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# print 'block_num:',block_num, 'mediantime:',block['mediantime'], 'target:',secs
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cur_secs = block['mediantime']
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if cur_secs > secs:
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top = block_num
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else:
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bot = block_num
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block_num = (top + bot) / 2
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if top - bot < 2:
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msg('\nFound: %s ' % block_num)
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break
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return block_num
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tx = MMGenTX()
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[tx.txid,send_amt,tx.timestamp],tx.hex,inputs,b2m_map,tx.label = parse_tx_file(cmd_args[0])
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tx.send_amt = Decimal(send_amt)
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c = bitcoin_connection()
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# attrs = 'txid','vout','amt','comment','mmid','addr','wif'
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#pp_msg(inputs)
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for i in inputs:
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if not 'mmid' in i and 'account' in i:
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from mmgen.tw import parse_tw_acct_label
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a,b = parse_tw_acct_label(i['account'])
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if a:
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i['mmid'] = a.decode('utf8')
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if b: i['comment'] = b.decode('utf8')
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#pp_msg(inputs)
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tx.inputs = tx.decode_io_oldfmt(inputs)
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if tx.check_signed(c):
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msg('Transaction is signed')
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dec_tx = c.decoderawtransaction(tx.hex)
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tx.outputs = [MMGenTxOutput(addr=i['scriptPubKey']['addresses'][0],amt=i['value'])
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for i in dec_tx['vout']]
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for e in tx.outputs:
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if e.addr in b2m_map:
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f = b2m_map[e.addr]
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e.mmid = f[0]
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if f[1]: e.label = f[1].decode('utf8')
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else:
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for f in tx.inputs:
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if e.addr == f.addr and f.mmid:
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e.mmid = f.mmid
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if f.label: e.label = f.label.decode('utf8')
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#for i in tx.inputs: print i
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#for i in tx.outputs: print i
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#die(1,'')
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tx.blockcount = find_block_by_time(c,tx.timestamp)
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tx.write_to_file(ask_write=False)
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