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new utility: mmnode-txfind

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The MMGen Project 2021-03-12 09:32:25 +00:00
commit 4da65900fd
Signed by: mmgen
GPG key ID: 3F8B1861E32B7DA2
2 changed files with 97 additions and 37 deletions
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40
mmnode-blocks-info
View file

@ -1,7 +1,7 @@
#!/usr/bin/env python3
#
# mmgen = Multi-Mode GENerator, command-line Bitcoin cold storage solution
# Copyright (C)2013-2020 The MMGen Project <mmgen@tuta.io>
# Copyright (C)2013-2021 The MMGen Project <mmgen@tuta.io>
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
@ -28,7 +28,7 @@ from decimal import Decimal
opts_data = {
'sets': [('raw_miner_info',True,'miner_info',True)],
'text': {
'desc': 'Display information about or find a transaction within a range of blocks',
'desc': 'Display information about a range of blocks',
'usage': '[opts] +<last n blocks>|<block num>|<block num range>',
'options': """
-h, --help Print this help message
@ -39,7 +39,6 @@ opts_data = {
-o, --fields= Display the specified fields
-s, --summary Print the summary only
-S, --no-summary Don't print the summary
-t, --transaction=t Search for transaction 't' in specified block range
If no block number is specified, the current block is assumed
"""
@ -272,37 +271,6 @@ class BlocksInfoOverview(BlocksInfo):
self.sum_fs.format('Avg conf time:', f'{ac//60}:{ac%60:02}')
)
class BlocksInfoTxFind(BlocksInfo):
found_tx = False
def post_init(self):
if len(opt.transaction) != 64 or not is_hex_str(opt.transaction):
die(2,f'{opt.transaction}: invalid transaction id')
async def process_block(self,height,H):
if opt.transaction in (await c.call('getblock',H))['tx']:
Msg('\rRequested transaction is in block {} ({} confirmations)'.format(height,c.blockcount-height+1))
return True
msg_r('\rChecking block {} '.format(height))
async def print_summary(self):
if self.found_tx:
try:
await c.call('getmempoolentry',opt.transaction) # ,on_fail='silent')):
except:
Msg('\rTransaction not found in block range {}-{} or in mempool'.format(self.first,self.last))
else:
Msg('\rTransaction is in mempool')
async def run(self):
for height in range(self.first,self.last+1):
H = await c.call('getblockhash',height)
if await self.process_block(height,H): # returns True when finished
break
else:
self.found_tx = True
class BlocksInfoHashes(BlocksInfo):
def print_header(self):
@ -327,9 +295,7 @@ async def main():
global c
c = await rpc_init(proto)
if opt.transaction:
m = BlocksInfoTxFind()
elif opt.hashes:
if opt.hashes:
m = BlocksInfoHashes()
else:
m = BlocksInfoOverview()

94
mmnode-txfind Executable file
View file

@ -0,0 +1,94 @@
#!/usr/bin/env python3
#
# mmgen = Multi-Mode GENerator, command-line Bitcoin cold storage solution
# Copyright (C)2013-2021 The MMGen Project <mmgen@tuta.io>
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program. If not, see <http://www.gnu.org/licenses/>.
"""
mmgen-txfind: Find a transaction in the blockchain or mempool
"""
from mmgen.common import *
opts_data = {
'text': {
'desc': 'Find a transaction in the blockchain or mempool',
'usage': '[opts] <transaction ID>',
'options': """
-h, --help Print this help message
--, --longhelp Print help message for long options (common options)
-q, --quiet Be quieter
-v, --verbose Be more verbose
""",
'notes': """
If transaction is in blockchain, the block number and number of confirmations
are displayed.
Requires --txindex for correct operation.
"""
}
}
msg_data = {
'normal': {
'none': 'Transaction not found in blockchain or mempool',
'block': 'Transaction is in block {b} ({c} confirmations)',
'mem': 'Transaction is in mempool',
},
'quiet': {
'none': 'None',
'block': '{b} {c}',
'mem': 'mempool',
}
}
async def main(txid):
if len(txid) != 64 or not is_hex_str(txid):
die(2,f'{txid}: invalid transaction ID')
if opt.verbose:
msg(f'TxID: {txid}')
from mmgen.protocol import init_proto_from_opts
proto = init_proto_from_opts()
from mmgen.rpc import rpc_init
c = await rpc_init(proto)
exitval = 0
try:
tip1 = await c.call('getblockcount')
ret = await c.call('getrawtransaction',txid,True)
tip2 = await c.call('getblockcount')
except:
Msg('\r' + msgs['none'])
exitval = 1
else:
assert tip1 == tip2, 'Blockchain is updating. Try again later'
if 'confirmations' in ret:
confs = ret['confirmations']
Msg('\r' + msgs['block'].format(b = tip1 - confs + 1, c = confs))
else:
Msg('\r' + msgs['mem'])
return exitval
cmd_args = opts.init(opts_data)
msgs = msg_data['quiet' if opt.quiet else 'normal']
if len(cmd_args) != 1:
die(1,'One transaction ID must be specified')
sys.exit(run_session(main(cmd_args[0])))