Remove DupCache

engine-sdk/src/caching.rs

@@ -0,0 +1,13 @@
+use aurora_engine_types::BTreeMap;
+
+/// A naive cache storing all key-value pairs it learns about..
+#[derive(Default)]
+pub struct FullCache<K, V> {
+    inner: BTreeMap<K, V>,
+}
+
+impl<K: Ord, V> FullCache<K, V> {
+    pub fn get_or_insert_with<F: FnOnce() -> V>(&mut self, k: K, f: F) -> &mut V {
+        self.inner.entry(k).or_insert_with(f)
+    }
+}

engine-sdk/src/lib.rs

@@ -6,7 +6,7 @@ use crate::prelude::Address;
 use crate::prelude::{H256, STORAGE_PRICE_PER_BYTE};
 pub use types::keccak;
 
-pub mod dup_cache;
+pub mod caching;
 pub mod env;
 pub mod error;
 pub mod io;

engine/src/engine.rs

@@ -6,7 +6,7 @@ use evm::{Config, CreateScheme, ExitError, ExitFatal, ExitReason};
 
 use crate::connector::EthConnectorContract;
 use crate::map::BijectionMap;
-use aurora_engine_sdk::dup_cache::FullCache;
+use aurora_engine_sdk::caching::FullCache;
 use aurora_engine_sdk::env::Env;
 use aurora_engine_sdk::io::{StorageIntermediate, IO};
 use aurora_engine_sdk::promise::{PromiseHandler, PromiseId};