Contracts: Update read_sandbox (#1390)

* Update runtime.rs

* Fix

* Revert "Update runtime.rs"

This reverts commit 808f026a835b1f2707f640799454a50fd3a8be7b.

* nit mono-repo fixes

substrate/frame/contracts/src/tests.rs

@@ -564,7 +564,9 @@ where
 {
 	let fixture_path = [
 		// When `CARGO_MANIFEST_DIR` is not set, Rust resolves relative paths from the root folder
-		std::env::var("CARGO_MANIFEST_DIR").as_deref().unwrap_or("frame/contracts"),
+		std::env::var("CARGO_MANIFEST_DIR")
+			.as_deref()
+			.unwrap_or("substrate/frame/contracts"),
 		"/fixtures/",
 		fixture_name,
 		".wat",

substrate/frame/contracts/src/wasm/runtime.rs

@@ -608,7 +608,7 @@ impl<'a, E: Ext + 'a> Runtime<'a, E> {
 		let mut bound_checked = memory
 			.get(ptr..ptr + D::max_encoded_len() as usize)
 			.ok_or_else(|| Error::<E::T>::OutOfBounds)?;
-		let decoded = D::decode_all_with_depth_limit(MAX_DECODE_NESTING, &mut bound_checked)
+		let decoded = D::decode_with_depth_limit(MAX_DECODE_NESTING, &mut bound_checked)
 			.map_err(|_| DispatchError::from(Error::<E::T>::DecodingFailed))?;
 		Ok(decoded)
 	}