feat: impl compress decompress for customheader (#16617)

Author: mattsse

Cargo.lock

@@ -12,6 +12,7 @@ reth-codecs.workspace = true
 reth-network-peers.workspace = true
 reth-node-builder.workspace = true
 reth-optimism-forks.workspace = true
+reth-db-api.workspace = true
 reth-op = { workspace = true, features = ["node", "pool"] }
 reth-payload-builder.workspace = true
 reth-rpc-api.workspace = true
@@ -62,5 +63,6 @@ arbitrary = [
     "revm/arbitrary",
     "reth-ethereum/arbitrary",
     "alloy-rpc-types-engine/arbitrary",
+    "reth-db-api/arbitrary",
 ]
 default = []

examples/custom-node/Cargo.toml

@@ -166,6 +166,21 @@ impl reth_codecs::Compact for CustomHeader {
     }
 }
 
+impl reth_db_api::table::Compress for CustomHeader {
+    type Compressed = Vec<u8>;
+
+    fn compress_to_buf<B: alloy_primitives::bytes::BufMut + AsMut<[u8]>>(&self, buf: &mut B) {
+        let _ = Compact::to_compact(self, buf);
+    }
+}
+
+impl reth_db_api::table::Decompress for CustomHeader {
+    fn decompress(value: &[u8]) -> Result<Self, reth_db_api::DatabaseError> {
+        let (obj, _) = Compact::from_compact(value, value.len());
+        Ok(obj)
+    }
+}
+
 impl BlockHeader for CustomHeader {}
 
 mod serde_bincode_compat {