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Differential D8339 Diff 25783 contrib/seeds/generate-seeds.py

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contrib/seeds/generate-seeds.py

Show All 16 LinesThese files must consist of lines in the format
<ip>:<port> <ip>:<port>
[<ipv6>] [<ipv6>]
[<ipv6>]:<port> [<ipv6>]:<port>
<onion>.onion <onion>.onion
0xDDBBCCAA (IPv4 little-endian old pnSeeds format) 0xDDBBCCAA (IPv4 little-endian old pnSeeds format)
The output will be two data structures with the peers in binary format: The output will be two data structures with the peers in binary format:
static SeedSpec6 pnSeed6_main[]={ SeedSpec6 pnSeed6_main[]={
... ...
} }
static SeedSpec6 pnSeed6_test[]={ SeedSpec6 pnSeed6_test[]={
... ...
} }
These should be pasted into `src/chainparamsseeds.h`. These should be pasted into `src/chainparamsseeds.h`.
''' '''
from base64 import b32decode from base64 import b32decode
from binascii import a2b_hex from binascii import a2b_hex
▲ Show 20 Lines • Show All 56 Lines • ▼ Show 20 Lines else:
port = int(port) port = int(port)
host = name_to_ipv6(host) host = name_to_ipv6(host)
return (host, port) return (host, port)
def process_nodes(g, f, structname, defaultport): def process_nodes(g, f, structname, defaultport):
g.write('static SeedSpec6 {}[] = {{\n'.format(structname)) g.write('SeedSpec6 {}[] = {{\n'.format(structname))
first = True first = True
for line in f: for line in f:
comment = line.find('#') comment = line.find('#')
if comment != -1: if comment != -1:
line = line[0:comment] line = line[0:comment]
line = line.strip() line = line.strip()
if not line: if not line:
continue continue
if not first: if not first:
g.write(',\n') g.write(',\n')
first = False first = False
(host, port) = parse_spec(line, defaultport) (host, port) = parse_spec(line, defaultport)
hoststr = ','.join(('0x{:02x}'.format(b)) for b in host) hoststr = ','.join(('0x{:02x}'.format(b)) for b in host)
g.write(' {{{{{}}}, {}}}'.format(hoststr, port)) g.write(' {{{{{}}}, {}}}'.format(hoststr, port))
g.write('\n};\n') g.write('\n};\n')
g.write('uint16_t {}_len = ARRAYLEN({});\n'.format(structname, structname))
def main(): def main():
if len(sys.argv) < 2: if len(sys.argv) < 2:
print( print(
'Usage: {} <path_to_nodes_txt>'.format( 'Usage: {} <path_to_nodes_txt>'.format(
sys.argv[0]), sys.argv[0]),
file=sys.stderr) file=sys.stderr)
sys.exit(1) sys.exit(1)
g = sys.stdout g = sys.stdout
indir = sys.argv[1] indir = sys.argv[1]
g.write('#ifndef BITCOIN_CHAINPARAMSSEEDS_H\n') g.write('#include <chainparams.h>\n')
g.write('#define BITCOIN_CHAINPARAMSSEEDS_H\n') g.write('#include <util/strencodings.h>\n')
g.write('/**\n') g.write('/**\n')
g.write(' * List of fixed seed nodes for the bitcoin network\n') g.write(' * List of fixed seed nodes for the bitcoin network\n')
g.write(' * @{} by contrib/seeds/generate-seeds.py\n'.format('generated')) g.write(' * @{} by contrib/seeds/generate-seeds.py\n'.format('generated'))
g.write(' *\n') g.write(' *\n')
g.write(' * Each line contains a 16-byte IPv6 address and a port.\n') g.write(' * Each line contains a 16-byte IPv6 address and a port.\n')
g.write( g.write(
' * IPv4 as well as onion addresses are wrapped inside an IPv6 address accordingly.\n') ' * IPv4 as well as onion addresses are wrapped inside an IPv6 address accordingly.\n')
g.write(' */\n') g.write(' */\n')
with open(os.path.join(indir, 'nodes_main.txt'), 'r', encoding="utf8") as f: with open(os.path.join(indir, 'nodes_main.txt'), 'r', encoding="utf8") as f:
process_nodes(g, f, 'pnSeed6_main', 8333) process_nodes(g, f, 'pnSeed6_main', 8333)
g.write('\n') g.write('\n')
with open(os.path.join(indir, 'nodes_test.txt'), 'r', encoding="utf8") as f: with open(os.path.join(indir, 'nodes_test.txt'), 'r', encoding="utf8") as f:
process_nodes(g, f, 'pnSeed6_test', 18333) process_nodes(g, f, 'pnSeed6_test', 18333)
g.write('#endif // BITCOIN_CHAINPARAMSSEEDS_H\n')
if __name__ == '__main__': if __name__ == '__main__':
main() main()