Add polymesh_v8

Cargo.toml

@@ -100,6 +100,7 @@ tokio = { version = "1.19", features = ["rt"] }
 default = [ "std", "polymesh_v7", "rpc", "serde", "v14" ]
 
 polymesh_v7 = []
+polymesh_v8 = []
 
 # Download the chain metadata from a RPC node.
 download_metadata = [

crates/polymesh-api-client-extras/Cargo.toml

@@ -25,6 +25,8 @@ default = [ "std", "serde", "polymesh_v7" ]
 
 polymesh_v7 = ["polymesh-api/polymesh_v7"]
 
+polymesh_v8 = ["polymesh-api/polymesh_v8"]
+
 serde = [
   "polymesh-api/serde",
 ]

crates/polymesh-api-client-extras/src/user.rs

@@ -185,13 +185,22 @@ impl PolymeshHelper {
     Ok(did)
   }
 
+  #[cfg(not(feature = "polymesh_v8"))]
   pub async fn get_account_info(
     &self,
     account: AccountId,
   ) -> Result<AccountInfo<u32, AccountData>> {
     Ok(self.api.query().system().account(account).await?)
   }
 
+  #[cfg(feature = "polymesh_v8")]
+  pub async fn get_account_info(
+    &self,
+    account: AccountId,
+  ) -> Result<AccountInfo<u32, AccountData<u128>>> {
+    Ok(self.api.query().system().account(account).await?)
+  }
+
   pub async fn get_account_balance(&self, account: AccountId) -> Result<u128> {
     self
       .get_account_info(account)

src/lib.rs

@@ -4,6 +4,10 @@ extern crate alloc;
 
 use polymesh_api_codegen_macro::*;
 
+#[cfg_attr(
+  all(not(feature = "download_metadata"), feature = "polymesh_v8"),
+  codegen_api(metadata_file = "specs/polymesh_dev_spec_7003000.meta")
+)]
 #[cfg_attr(
   all(not(feature = "download_metadata"), feature = "polymesh_v7"),
   codegen_api(metadata_file = "specs/polymesh_dev_spec_7000005.meta")