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[script] Update signet getcoins.py for custom network

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Currently, using the getcoins.py with a custom signet executes successfully and shows the transaction as complete, however for obvious reasons, it  should not.
This PR adds a sanity check for custom signet by comparing the current network's first block hash with global signet's respective hash.
This commit is contained in:
NikhilBartwal 2021-07-29 15:29:27 +05:30
parent 3308c61091
commit 1c612b274b
1 changed files with 19 additions and 4 deletions
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23
contrib/signet/getcoins.py
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@ -5,21 +5,36 @@
import argparse
import subprocess
import requests
import sys
import requests
DEFAULT_GLOBAL_FAUCET = 'https://signetfaucet.com/claim'
GLOBAL_FIRST_BLOCK_HASH = '00000086d6b2636cb2a392d45edc4ec544a10024d30141c9adf4bfd9de533b53'
parser = argparse.ArgumentParser(description='Script to get coins from a faucet.', epilog='You may need to start with double-dash (--) when providing bitcoin-cli arguments.')
parser.add_argument('-c', '--cmd', dest='cmd', default='bitcoin-cli', help='bitcoin-cli command to use')
parser.add_argument('-f', '--faucet', dest='faucet', default='https://signetfaucet.com/claim', help='URL of the faucet')
parser.add_argument('-f', '--faucet', dest='faucet', default=DEFAULT_GLOBAL_FAUCET, help='URL of the faucet')
parser.add_argument('-a', '--addr', dest='addr', default='', help='Bitcoin address to which the faucet should send')
parser.add_argument('-p', '--password', dest='password', default='', help='Faucet password, if any')
parser.add_argument('bitcoin_cli_args', nargs='*', help='Arguments to pass on to bitcoin-cli (default: -signet)')
args = parser.parse_args()
if args.bitcoin_cli_args == []:
args.bitcoin_cli_args = ['-signet']
if args.faucet.lower() == DEFAULT_GLOBAL_FAUCET:
# Get the hash of the block at height 1 of the currently active signet chain
try:
curr_signet_hash = subprocess.check_output([args.cmd] + args.bitcoin_cli_args + ['getblockhash', '1']).strip().decode()
except FileNotFoundError:
print('The binary', args.cmd, 'could not be found.')
exit()
if curr_signet_hash != GLOBAL_FIRST_BLOCK_HASH:
print('The global faucet cannot be used with a custom Signet network. Please use the global signet or setup your custom faucet to use this functionality.\n')
exit()
if args.addr == '':
if args.bitcoin_cli_args == []:
args.bitcoin_cli_args = ['-signet']
# get address for receiving coins
try:
args.addr = subprocess.check_output([args.cmd] + args.bitcoin_cli_args + ['getnewaddress', 'faucet', 'bech32']).strip()