Merge pull request #1585 from GuiGou12358/master

Change for RFC-0078: Merkleized Metadata

crates/pink-libs/subrpc/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "pink-subrpc"
-version = "0.6.0"
+version = "0.7.0"
 authors = ["Phala Network"]
 edition = "2021"
 license = "Apache-2.0"
@@ -14,19 +14,19 @@ path = "src/lib.rs"
 
 [dependencies]
 scale = { package = "parity-scale-codec", version = "3.6.5", default-features = false, features = ["derive"] }
-scale-info = { version = "2.10.0", default-features = false, features = ["derive"], optional = true }
+scale-info = { version = "2.11.3", default-features = false, features = ["derive"], optional = true }
 primitive-types = { version = "0.12.2", default-features = false, features = ["codec", "scale-info"] }
 
 hex-literal = "0.4.1"
 hex = { version = "0.4.3", default-features = false, features = ["alloc"] }
 
-pink = { version = "0.4.0", path = "../../pink/pink", default-features = false }
+pink = { version = "0.4.1", path = "../../pink/pink", default-features = false }
 sp-core-hashing = { version = "9", default-features = false }
 
-serde = { version = "1.0.140", default-features = false, features = ["derive", "alloc"]}
+serde = { version = "1.0.209", default-features = false, features = ["derive", "alloc"]}
 pink-json = { version = "0.4", default-features = false }
 
-ss58-registry = { version = "1.33.0", default-features = false }
+ss58-registry = { version = "1.47.0", default-features = false }
 base58 = { version = "0.2.0", default-features = false }
 
 [dev-dependencies]

crates/pink-libs/subrpc/src/lib.rs

@@ -220,14 +220,17 @@ pub fn create_transaction_ext<T: Encode>(
     call_data: UnsignedExtrinsic<T>,
     era: Era,
     tip: u128,
+    mode: u8,
+    metadata_hash: Option<[u8; 32]>,
 ) -> core::result::Result<Vec<u8>, Error> {
     let additional_params = (
         spec_version,
         transaction_version,
         genesis_hash,
         era_checkpoint,
+        metadata_hash,
     );
-    let extra = (era, Compact(nonce), Compact(tip));
+    let extra = (era, Compact(nonce), Compact(tip), mode);
 
     let mut bytes = Vec::new();
     call_data.encode_to(&mut bytes);
@@ -309,6 +312,12 @@ pub fn create_transaction<T: Encode>(
         Some(n) => n,
         _ => get_next_nonce(rpc_node, &addr)?,
     };
+    // new fields added by RFC78 for the signed extension.
+    // more information here: https://polkadot-fellows.github.io/RFCs/approved/0078-merkleized-metadata.html#inclusion-in-an-extrinsic
+    // the mode is either 0 which means to not include the metadata hash in the signed data or the mode is 1 to include the metadata hash in V1.
+    let mode = 0;
+    // Included in the signed data is an Option<[u8; 32]>. Depending on the mode the value is either None or Some(metadata_hash).
+    let metadata_hash = None;
 
     let call_data = UnsignedExtrinsic {
         pallet_id,
@@ -326,6 +335,8 @@ pub fn create_transaction<T: Encode>(
         call_data,
         era,
         tip,
+        mode,
+        metadata_hash,
     )
 }