improve metadata v15 decode

itering · Dec 16, 2024 · 2ac6ea1 · 2ac6ea1
1 parent 79267d4
commit 2ac6ea1
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Showing 2 changed files with 8 additions and 5 deletions.
diff --git a/metadata.go b/metadata.go
@@ -21,10 +21,13 @@ func (m *MetadataDecoder) Init(data []byte) {
 
 func (m *MetadataDecoder) Process() error {
 	magicBytes := m.NextBytes(4)
-	// if string(magicBytes) != "meta" {
-	// 	m.NextBytes(1) // maybe option<metadata> ?
-	// 	magicBytes = m.NextBytes(4)
-	// }
+	if string(magicBytes) != "meta" {
+		m.Data.Reset()
+		// option<Opaque<metadata>> version > v15
+		m.NextBytes(1)                         // 0x01
+		m.ProcessAndUpdateData("Compact<u32>") // Compact<u32>
+		magicBytes = m.NextBytes(4)
+	}
 	if string(magicBytes) == "meta" {
 		metadataVersion := utiles.U256(utiles.BytesToHex(m.Data.Data[m.Data.Offset : m.Data.Offset+1]))
 		m.Version = m.ProcessAndUpdateData("MetadataVersion").(string)

diff --git a/metadata_test.go b/metadata_test.go