Contract calls (#19)

crates/llvm-context/src/polkavm/const/runtime_api.rs

@@ -1,57 +1,68 @@
 //! Runtime API import and export symbols.
 
-/// The contract deploy export.
-pub static CALL: &str = "call";
+pub mod exports {
+    /// The contract deploy export.
+    pub static CALL: &str = "call";
 
-/// The contract call export.
-pub static DEPLOY: &str = "deploy";
+    /// The contract call export.
+    pub static DEPLOY: &str = "deploy";
 
-/// All exported symbols.
-/// Useful for configuring common attributes and linkage.
-pub static EXPORTS: [&str; 2] = [CALL, DEPLOY];
+    /// All exported symbols.
+    /// Useful for configuring common attributes and linkage.
+    pub static EXPORTS: [&str; 2] = [CALL, DEPLOY];
+}
 
-pub static ADDRESS: &str = "address";
+pub mod imports {
+    pub static ADDRESS: &str = "address";
 
-pub static BLOCK_NUMBER: &str = "block_number";
+    pub static BLOCK_NUMBER: &str = "block_number";
 
-pub static CALLER: &str = "caller";
+    pub static CALL: &str = "seal_call";
 
-pub static CODE_SIZE: &str = "code_size";
+    pub static CALLER: &str = "caller";
 
-pub static DEPOSIT_EVENT: &str = "deposit_event";
+    pub static CODE_SIZE: &str = "code_size";
 
-pub static GET_STORAGE: &str = "get_storage";
+    pub static DEPOSIT_EVENT: &str = "deposit_event";
 
-pub static HASH_KECCAK_256: &str = "hash_keccak_256";
+    pub static GET_STORAGE: &str = "get_storage";
 
-pub static INPUT: &str = "input";
+    pub static HASH_KECCAK_256: &str = "hash_keccak_256";
 
-pub static INSTANTIATE: &str = "instantiate";
+    pub static INPUT: &str = "input";
 
-pub static NOW: &str = "now";
+    pub static INSTANTIATE: &str = "instantiate";
 
-pub static RETURN: &str = "seal_return";
+    pub static NOW: &str = "now";
 
-pub static SET_STORAGE: &str = "set_storage";
+    pub static RETURN: &str = "seal_return";
 
-pub static VALUE_TRANSFERRED: &str = "value_transferred";
+    pub static RETURNDATACOPY: &str = "returndatacopy";
 
-/// All imported runtime API symbols..
-/// Useful for configuring common attributes and linkage.
-pub static IMPORTS: [&str; 12] = [
-    ADDRESS,
-    BLOCK_NUMBER,
-    CALLER,
-    DEPOSIT_EVENT,
-    GET_STORAGE,
-    HASH_KECCAK_256,
-    INPUT,
-    INSTANTIATE,
-    NOW,
-    RETURN,
-    SET_STORAGE,
-    VALUE_TRANSFERRED,
-];
+    pub static SET_STORAGE: &str = "set_storage";
+
+    pub static VALUE_TRANSFERRED: &str = "value_transferred";
+
+    /// All imported runtime API symbols.
+    /// Useful for configuring common attributes and linkage.
+    pub static IMPORTS: [&str; 15] = [
+        ADDRESS,
+        BLOCK_NUMBER,
+        CALL,
+        CALLER,
+        CODE_SIZE,
+        DEPOSIT_EVENT,
+        GET_STORAGE,
+        HASH_KECCAK_256,
+        INPUT,
+        INSTANTIATE,
+        NOW,
+        RETURN,
+        RETURNDATACOPY,
+        SET_STORAGE,
+        VALUE_TRANSFERRED,
+    ];
+}
 
 /// PolkaVM __sbrk API symbol to extend the heap memory.
 pub static SBRK: &str = "__sbrk";