evm adapter init

rust-evmjit/Cargo.toml

@@ -4,5 +4,4 @@ version = "0.1.0"
 authors = ["debris <marek.kotewicz@gmail.com>"]
 
 [dependencies]
-libc = "0.2.2"
 tiny-keccak = "1.0"

rust-evmjit/src/lib.rs

@@ -13,13 +13,13 @@
 //!
 //! ```
 
-extern crate libc;
 extern crate tiny_keccak;
 
 use std::ops::{Deref, DerefMut};
 use self::ffi::*;
 
 pub use self::ffi::JitReturnCode as ReturnCode;
+pub use self::ffi::JitI256 as I256;
 
 /// Component oriented safe handle to `JitRuntimeData`.
 pub struct RuntimeDataHandle {
@@ -51,6 +51,20 @@ impl Drop for RuntimeDataHandle {
 	}
 }
 
+impl Deref for RuntimeDataHandle {
+	type Target = JitRuntimeData;
+
+	fn deref(&self) -> &Self::Target {
+		self.runtime_data()
+	}
+}
+
+impl DerefMut for RuntimeDataHandle {
+	fn deref_mut(&mut self) -> &mut Self::Target {
+		self.mut_runtime_data()
+	}
+}
+
 /// Safe handle for jit context.
 pub struct ContextHandle {
 	context: *mut JitContext,
@@ -156,7 +170,6 @@ impl DerefMut for EnvHandle {
 /// ffi functions
 pub mod ffi {
 	use std::slice;
-	use libc;
 	use tiny_keccak::Keccak;
 	use super::*;
 
@@ -178,6 +191,7 @@ pub mod ffi {
 	}
 
 	#[repr(C)]
+	#[derive(Debug)]
 	/// Signed 256 bit integer.
 	pub struct JitI256 {
 		pub words: [u64; 4]
@@ -188,7 +202,7 @@ pub mod ffi {
 	pub struct JitRuntimeData {
 		pub gas: i64,
 		pub gas_price: i64,
-		pub call_data: *const libc::c_char,
+		pub call_data: *const u8,
 		pub call_data_size: u64,
 		pub address: JitI256,
 		pub caller: JitI256,
@@ -199,7 +213,7 @@ pub mod ffi {
 		pub gas_limit: JitI256,
 		pub number: u64,
 		pub timestamp: i64,
-		pub code: *const libc::c_char,
+		pub code: *const u8,
 		pub code_size: u64,
 		pub code_hash: JitI256
 	}