133 lines
3.6 KiB
Python
Executable file
133 lines
3.6 KiB
Python
Executable file
#!/usr/bin/env python3
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# Convert MMGen 'v1' transaction file (extension '.raw' or '.sig')
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# to MMGen 'v3' ('.rawtx' or '.sigtx' + amounts as strings)
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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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opts_data = lambda: {
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'desc': "Convert MMGen transaction file from v1 format to v3 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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-d, --outdir=d Output files to directory 'd' instead of working dir
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-q, --quiet Write (and overwrite) files without prompting
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-S, --stdout Write data to STDOUT instead of file
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"""
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}
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cmd_args = opts.init(opts_data)
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from mmgen.tx import *
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if len(cmd_args) != 1: opts.usage()
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def parse_tx_file(infile):
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from ast import literal_eval
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def eval_io_data(raw_data,desc):
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import re
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d = literal_eval(re.sub(r"[A-Za-z]+?\(('.+?')\)",r'\1',raw_data))
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assert type(d) == list,'{} data not a list!'.format(desc)
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assert len(d),'no {}!'.format(desc)
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for e in d: e['amount'] = g.proto.coin_amt(e['amount'])
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return d
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err_fmt = 'Invalid {} in transaction file'
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tx_data = get_lines_from_file(infile)
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try:
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err_str = 'number of lines'
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assert len(tx_data) in (4,5)
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if len(tx_data) == 5:
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metadata,tx_hex,inputs,outputs,comment = tx_data
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elif len(tx_data) == 4:
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metadata,tx_hex,inputs,outputs = tx_data
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comment = ''
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err_str = 'metadata'
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assert len(metadata.split()) == 3
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err_str = 'hex data'
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unhexlify(tx_hex)
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err_str = 'inputs data'
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inputs = eval_io_data(inputs,'inputs')
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err_str = 'btc-to-mmgen address map data'
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outputs = literal_eval(outputs)
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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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err_str = 'comment'
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comment = MMGenTXLabel(comment)
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except:
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die(2,err_fmt.format(err_str))
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else:
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return metadata.split(),tx_hex,inputs,outputs,comment
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def find_block_by_time(timestamp):
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secs = decode_timestamp(timestamp)
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block_num = g.rpch.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 = g.rpch.getblockhash(block_num)
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block = g.rpch.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: {} '.format(block_num))
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break
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return block_num
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tx = MMGenTX()
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metadata,tx.hex,inputs,outputs,tx.label = parse_tx_file(cmd_args[0])
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tx.txid,send_amt,tx.timestamp = metadata
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tx.send_amt = Decimal(send_amt)
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g.testnet = False
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g.rpc_host = 'localhost'
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rpc_init()
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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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lbl = TwLabel(i['account'])
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i['mmid'] = lbl.mmid
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i['comment'] = lbl.comment
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tx.inputs = tx.MMGenTxInputList(tx.decode_io_oldfmt(inputs))
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if tx.marked_signed():
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msg('Transaction is signed')
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dec_tx = g.rpch.decoderawtransaction(tx.hex)
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tx.outputs = tx.MMGenTxOutputList(
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MMGenTX.MMGenTxOutput(addr=i['scriptPubKey']['addresses'][0],
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amt=g.proto.coin_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 outputs:
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f = outputs[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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tx.blockcount = find_block_by_time(tx.timestamp)
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tx.write_to_file(ask_tty=False,ask_overwrite=not opt.quiet,ask_write=not opt.quiet)
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