ef_tests: sanity block tests

tests/ef_tests/src/cases/sanity_blocks.rs

@@ -0,0 +1,53 @@
+use super::*;
+use crate::bls_setting::BlsSetting;
+use crate::case_result::compare_beacon_state_results_without_caches;
+use serde_derive::Deserialize;
+use state_processing::{per_block_processing, per_slot_processing};
+use types::{BeaconBlock, BeaconState, EthSpec};
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct SanityBlocks<E: EthSpec> {
+    pub description: String,
+    pub bls_setting: Option<BlsSetting>,
+    #[serde(bound = "E: EthSpec")]
+    pub pre: BeaconState<E>,
+    pub blocks: Vec<BeaconBlock>,
+    #[serde(bound = "E: EthSpec")]
+    pub post: Option<BeaconState<E>>,
+}
+
+impl<E: EthSpec> YamlDecode for SanityBlocks<E> {
+    fn yaml_decode(yaml: &String) -> Result<Self, Error> {
+        Ok(serde_yaml::from_str(&yaml.as_str()).unwrap())
+    }
+}
+
+impl<E: EthSpec> Case for SanityBlocks<E> {
+    fn description(&self) -> String {
+        self.description.clone()
+    }
+
+    fn result(&self, case_index: usize) -> Result<(), Error> {
+        self.bls_setting.unwrap_or_default().check()?;
+
+        let mut state = self.pre.clone();
+        let mut expected = self.post.clone();
+        let spec = &E::spec();
+
+        // Processing requires the epoch cache.
+        state.build_all_caches(&E::spec()).unwrap();
+
+        let mut result = self
+            .blocks
+            .iter()
+            .try_for_each(|block| {
+                while state.slot < block.slot {
+                    per_slot_processing(&mut state, spec).unwrap();
+                }
+                per_block_processing(&mut state, block, spec)
+            })
+            .map(|_| state);
+
+        compare_beacon_state_results_without_caches(&mut result, &mut expected)
+    }
+}