diff options
Diffstat (limited to 'contrib/seeds/generate-seeds.py')
| -rwxr-xr-x | contrib/seeds/generate-seeds.py | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/contrib/seeds/generate-seeds.py b/contrib/seeds/generate-seeds.py index dbecba7d1d..44345e3987 100755 --- a/contrib/seeds/generate-seeds.py +++ b/contrib/seeds/generate-seeds.py @@ -61,7 +61,7 @@ def name_to_bip155(addr): raise ValueError(f'Invalid I2P {vchAddr}') elif '.' in addr: # IPv4 return (BIP155Network.IPV4, bytes((int(x) for x in addr.split('.')))) - elif ':' in addr: # IPv6 + elif ':' in addr: # IPv6 or CJDNS sub = [[], []] # prefix, suffix x = 0 addr = addr.split(':') @@ -77,7 +77,14 @@ def name_to_bip155(addr): sub[x].append(val & 0xff) nullbytes = 16 - len(sub[0]) - len(sub[1]) assert((x == 0 and nullbytes == 0) or (x == 1 and nullbytes > 0)) - return (BIP155Network.IPV6, bytes(sub[0] + ([0] * nullbytes) + sub[1])) + addr_bytes = bytes(sub[0] + ([0] * nullbytes) + sub[1]) + if addr_bytes[0] == 0xfc: + # Assume that seeds with fc00::/8 addresses belong to CJDNS, + # not to the publicly unroutable "Unique Local Unicast" network, see + # RFC4193: https://datatracker.ietf.org/doc/html/rfc4193#section-8 + return (BIP155Network.CJDNS, addr_bytes) + else: + return (BIP155Network.IPV6, addr_bytes) else: raise ValueError('Could not parse address %s' % addr) |