feat: omiga inscription name and symbol can't be null string (#1560)

Signed-off-by: Miles Zhang <[email protected]>

app/utils/ckb_utils.rb

@@ -636,7 +636,7 @@ def self.parse_omiga_inscription_info(hex_data)
     expected_supply = [data.slice!(0, 32)].pack("H*").unpack1("Q<2")
     mint_limit = [data.slice!(0, 32)].pack("H*").unpack1("Q<2")
     mint_status = "0x#{data.slice!(0, 2)}".to_i(16)
-    { decimal:, name:, symbol:, udt_hash:, expected_supply:,
+    { decimal:, name: name.presence, symbol: symbol.presence, udt_hash:, expected_supply:,
       mint_limit:, mint_status: }
   end
 end

test/utils/ckb_utils_test.rb

@@ -461,6 +461,12 @@ class CkbUtilsTest < ActiveSupport::TestCase
                    udt_hash: "0xe0f8e095d975e21e1b451b582c9d0685104471d377c6589339b723f76c035c74", expected_supply: 2100000000000000, mint_limit: 100000000000, mint_status: 0 }
   end
 
+  test "parse omiga inscription info data when name is null" do
+    data = "0x08004b42204669737420496e736372697074696f6e04434b4249e0f8e095d975e21e1b451b582c9d0685104471d377c6589339b723f76c035c740040075af0750700000000000000000000e8764817000000000000000000000000"
+    info = CkbUtils.parse_omiga_inscription_info(data)
+    assert_equal info[:name], nil
+  end
+
   private
 
   def node_data_processor