feat: add size proof field in datalayer metadata (#296)

* feat: add size proof

* fix: sp to p

Author: MichaelTaylor3D

crates/chia-sdk-driver/src/primitives/datalayer/datastore.rs

@@ -681,6 +681,7 @@ pub mod tests {
             label: t.1.value(),
             description: t.2.value(),
             bytes: t.3.value(),
+            size_proof: None, // Default to None for existing tests
         }
     }
 

crates/chia-sdk-driver/src/primitives/datalayer/datastore_info.rs

@@ -103,6 +103,7 @@ impl MetadataWithRootHash for DataStoreMetadata {
             label: None,
             description: None,
             bytes: None,
+            size_proof: None,
         }
     }
 }
@@ -113,6 +114,7 @@ pub struct DataStoreMetadata {
     pub label: Option<String>,
     pub description: Option<String>,
     pub bytes: Option<u64>,
+    pub size_proof: Option<String>,
 }
 
 impl<N, D: ClvmDecoder<Node = N>> FromClvm<D> for DataStoreMetadata {
@@ -125,6 +127,7 @@ impl<N, D: ClvmDecoder<Node = N>> FromClvm<D> for DataStoreMetadata {
                 "l" => metadata.label = Some(String::from_clvm(decoder, ptr)?),
                 "d" => metadata.description = Some(String::from_clvm(decoder, ptr)?),
                 "b" => metadata.bytes = Some(u64::from_clvm(decoder, ptr)?),
+                "sp" => metadata.size_proof = Some(String::from_clvm(decoder, ptr)?),
                 _ => (),
             }
         }
@@ -149,6 +152,10 @@ impl<N, E: ClvmEncoder<Node = N>> ToClvm<E> for DataStoreMetadata {
             items.push(("b", Raw(bytes.to_clvm(encoder)?)));
         }
 
+        if let Some(size_proof) = &self.size_proof {
+            items.push(("sp", Raw(size_proof.to_clvm(encoder)?)));
+        }
+
         (self.root_hash, items).to_clvm(encoder)
     }
 }

crates/chia-sdk-driver/src/primitives/datalayer/datastore_launcher.rs

@@ -153,6 +153,7 @@ mod tests {
             } else {
                 None
             },
+            size_proof: None, // Default to None for tests
         };
 
         let (launch_singleton, datastore) = Launcher::new(coin.coin_id(), 1).mint_datastore(