Make VM compile (no iterator or tests)

packages/vm/Cargo.toml

@@ -34,9 +34,11 @@ staking = ["cosmwasm-std/staking"]
 cosmwasm-std = { path = "../std", version = "0.10.1" }
 serde_json = "1.0"
 wasmer = { path = "../../../wasmer/lib/api" }
+wasmer-compiler = { path = "../../../wasmer/lib/compiler" }
 wasmer-compiler-cranelift = { path = "../../../wasmer/lib/compiler-cranelift", optional = true }
 wasmer-compiler-singlepass = { path = "../../../wasmer/lib/compiler-singlepass", optional = true }
-wasmer-runtime-core = { path = "../../../wasmer/lib/deprecated/runtime-core" }
+wasmer-engine = { path = "../../../wasmer/lib/engine" }
+wasmer-engine-jit = { path = "../../../wasmer/lib/engine-jit" }
 wasmer-types = { path = "../../../wasmer/lib/wasmer-types" }
 schemars = "0.7"
 serde = { version = "1.0.103", default-features = false, features = ["derive", "alloc"] }

packages/vm/src/backends/cranelift.rs

@@ -1,9 +1,8 @@
 #![cfg(any(feature = "cranelift", feature = "default-cranelift"))]
 
-use wasmer_clif_backend::CraneliftCompiler;
-use wasmer_runtime_core::{
-    backend::Compiler, backend::CompilerConfig, compile_with_config, module::Module, vm::Ctx,
-};
+use wasmer::Module;
+use wasmer_compiler_cranelift::Cranelift;
+use wasmer_engine_jit::JIT;
 
 use crate::errors::VmResult;
 
@@ -14,22 +13,21 @@ pub fn compile(code: &[u8]) -> VmResult<Module> {
         enable_verification: false, // As discussed in https://github.com/CosmWasm/cosmwasm/issues/155
         ..Default::default()
     };
-    let module = compile_with_config(code, compiler().as_ref(), config)?;
+    let compiler = Cranelift::default();
+    let engine = JIT::new(&mut compiler).engine();
+    let store = Store::new(&engine);
+    let module = Module::new(&store, code)?;
     Ok(module)
 }
 
-pub fn compiler() -> Box<dyn Compiler> {
-    Box::new(CraneliftCompiler::new())
-}
-
 pub fn backend() -> &'static str {
     "cranelift"
 }
 
 /// Set the amount of gas units that can be used in the context.
-pub fn set_gas_left(_ctx: &mut Ctx, _amount: u64) {}
+pub fn set_gas_left<S: Storage, Q: Querier>(_env: &mut Env<S, Q>, _amount: u64) {}
 
 /// Get how many more gas units can be used in the context.
-pub fn get_gas_left(_ctx: &Ctx) -> u64 {
+pub fn get_gas_left<S: Storage, Q: Querier>(_env: &Env<S, Q>) -> u64 {
     FAKE_GAS_AVAILABLE
 }

packages/vm/src/backends/mod.rs

@@ -1,34 +1,25 @@
 pub mod cranelift;
 pub mod singlepass;
 
-pub use wasmer_runtime_core::backend::Compiler;
-use wasmer_runtime_core::vm::Ctx;
-
-pub fn compiler_for_backend(backend: &str) -> Option<Box<dyn Compiler>> {
-    match backend {
-        #[cfg(any(feature = "cranelift", feature = "default-cranelift"))]
-        "cranelift" => Some(cranelift::compiler()),
-
-        #[cfg(any(feature = "singlepass", feature = "default-singlepass"))]
-        "singlepass" => Some(singlepass::compiler()),
-
-        _ => None,
-    }
-}
+use crate::context::Env;
+use crate::traits::{Querier, Storage};
 
 #[derive(Debug)]
 pub struct InsufficientGasLeft;
 
 /// Decreases gas left by the given amount.
 /// If the amount exceeds the available gas, the remaining gas is set to 0 and
 /// an InsufficientGasLeft error is returned.
-pub fn decrease_gas_left(ctx: &mut Ctx, amount: u64) -> Result<(), InsufficientGasLeft> {
-    let remaining = get_gas_left(ctx);
+pub fn decrease_gas_left<S: Storage, Q: Querier>(
+    env: &mut Env<S, Q>,
+    amount: u64,
+) -> Result<(), InsufficientGasLeft> {
+    let remaining = get_gas_left(env);
     if amount > remaining {
-        set_gas_left(ctx, 0);
+        set_gas_left(env, 0);
         Err(InsufficientGasLeft)
     } else {
-        set_gas_left(ctx, remaining - amount);
+        set_gas_left(env, remaining - amount);
         Ok(())
     }
 }
@@ -44,12 +35,12 @@ pub use singlepass::{backend, compile, get_gas_left, set_gas_left};
 mod test {
     use super::*;
     use wabt::wat2wasm;
-    use wasmer_runtime_core::{imports, Instance as WasmerInstance};
+    use wasmer::{imports, Instance as WasmerInstance};
 
     fn instantiate(code: &[u8]) -> WasmerInstance {
         let module = compile(code).unwrap();
         let import_obj = imports! { "env" => {}, };
-        module.instantiate(&import_obj).unwrap()
+        WasmerInstance::new(&module, &import_obj).unwrap()
     }
 
     #[test]

packages/vm/src/backends/singlepass.rs

@@ -1,15 +1,13 @@
 #![cfg(any(feature = "singlepass", feature = "default-singlepass"))]
 
 // use wasmer_middleware_common::metering;
-use wasmer_compiler_singlepass::{Singlepass, SinglepassCompiler};
-use wasmer_runtime_core::{
-    backend::{Backend, Compiler},
-    compile_with,
-    module::Module,
-    vm::Ctx,
-};
-
-use crate::errors::{VmError, VmResult};
+use wasmer::{Module, Store};
+use wasmer_compiler_singlepass::Singlepass;
+use wasmer_engine_jit::JIT;
+
+use crate::context::Env;
+use crate::errors::VmResult;
+use crate::traits::{Querier, Storage};
 // use crate::middleware::DeterministicMiddleware;
 
 /// In Wasmer, the gas limit is set on modules during compilation and is included in the cached modules.
@@ -26,23 +24,22 @@ const MAX_GAS_LIMIT: u64 = u64::MAX / 2;
 const FAKE_GAS_AVAILABLE: u64 = 1_000_000;
 
 pub fn compile(code: &[u8]) -> VmResult<Module> {
-    compile_with(code, Backend::Auto).map_err(|err| VmError::compile_err(err.to_string()))
-}
-
-pub fn compiler() -> Box<dyn Compiler> {
-    let config = Singlepass::default();
-    Box::new(SinglepassCompiler::new(&config))
+    let compiler = Singlepass::default();
+    let engine = JIT::new(&compiler).engine();
+    let store = Store::new(&engine);
+    let module = Module::new(&store, code)?;
+    Ok(module)
 }
 
 pub fn backend() -> &'static str {
     "singlepass"
 }
 
 /// Set the amount of gas units that can be used in the context.
-pub fn set_gas_left(_ctx: &mut Ctx, _amount: u64) {}
+pub fn set_gas_left<S: Storage, Q: Querier>(_env: &mut Env<S, Q>, _amount: u64) {}
 
 /// Get how many more gas units can be used in the context.
-pub fn get_gas_left(_ctx: &Ctx) -> u64 {
+pub fn get_gas_left<S: Storage, Q: Querier>(_env: &Env<S, Q>) -> u64 {
     FAKE_GAS_AVAILABLE
 }
 
@@ -70,7 +67,7 @@ pub fn get_gas_left(_ctx: &Ctx) -> u64 {
 mod test {
     use super::*;
     use wabt::wat2wasm;
-    use wasmer_runtime_core::{imports, Instance as WasmerInstance};
+    use wasmer::{imports, Instance as WasmerInstance};
 
     fn instantiate(code: &[u8]) -> WasmerInstance {
         let module = compile(code).unwrap();

packages/vm/src/calls.rs

@@ -2,9 +2,10 @@ use serde::de::DeserializeOwned;
 use std::fmt;
 
 use cosmwasm_std::{Env, HandleResult, InitResult, MigrateResult, QueryResult};
+use wasmer::Val;
 
 use crate::errors::{VmError, VmResult};
-use crate::instance::{Func, Instance};
+use crate::instance::Instance;
 use crate::serde::{from_slice, to_vec};
 use crate::traits::{Api, Querier, Storage};
 use schemars::JsonSchema;
@@ -131,25 +132,14 @@ fn call_raw<S: Storage + 'static, A: Api + 'static, Q: Querier + 'static>(
     args: &[&[u8]],
     result_max_length: usize,
 ) -> VmResult<Vec<u8>> {
-    let mut arg_region_ptrs = Vec::<u32>::with_capacity(args.len());
+    let mut arg_region_ptrs = Vec::<Val>::with_capacity(args.len());
     for arg in args {
         let region_ptr = instance.allocate(arg.len())?;
         instance.write_memory(region_ptr, arg)?;
-        arg_region_ptrs.push(region_ptr);
+        arg_region_ptrs.push(region_ptr.into());
     }
-
-    let res_region_ptr = match args.len() {
-        1 => {
-            let func: Func<u32, u32> = instance.func(name)?;
-            func.call(arg_region_ptrs[0])?
-        }
-        2 => {
-            let func: Func<(u32, u32), u32> = instance.func(name)?;
-            func.call(arg_region_ptrs[0], arg_region_ptrs[1])?
-        }
-        _ => panic!("call_raw called with unsupported number of arguments"),
-    };
-
+    let result = instance.call_function(name, &arg_region_ptrs)?;
+    let res_region_ptr = result[0].unwrap_i32() as u32;
     let data = instance.read_memory(res_region_ptr, result_max_length)?;
     // free return value in wasm (arguments were freed in wasm code)
     instance.deallocate(res_region_ptr)?;