diff options
Diffstat (limited to 'rules/bitcoin.lua')
| -rw-r--r-- | rules/bitcoin.lua | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/rules/bitcoin.lua b/rules/bitcoin.lua index d9c94fdf1..b7f9f1dbc 100644 --- a/rules/bitcoin.lua +++ b/rules/bitcoin.lua @@ -120,7 +120,7 @@ end local function is_segwit_bech32_address(word) local prefix = word:sub(1, 3) - if prefix == 'bc1' or prefix.sub(1, 1) == '1' or prefix.sub(1, 1) == '3' then + if prefix == 'bc1' or prefix:sub(1, 1) == '1' or prefix:sub(1, 1) == '3' then -- Strip beach32 prefix in bitcoin word = word:lower() local last_one_pos = word:find('1[^1]*$') @@ -134,6 +134,23 @@ local function is_segwit_bech32_address(word) if decoded then return verify_beach32_cksum(hrp, decoded) end + else + -- BCH address + -- 1 byte address type (who cares) + -- XXX bytes address hash (who cares) + -- 40 bit checksum + local rspamd_util = require 'rspamd_util' + local decoded = rspamd_util.decode_base32(word:lower(), 'bleach') + + if decoded then + local bytes = decoded:bytes() + + if bytes[1] == 0 then + -- TODO: Add checksum validation some day + + return true + end + end end end |