Check slot cleaned up for RPC blockstore/slot queries (#9982)

automerge
2020-05-11 15:47:40 -06:00
parent 6660e93c39
commit 965204b8e0
3 changed files with 87 additions and 21 deletions
--- a/core/src/rpc_error.rs
+++ b/core/src/rpc_error.rs
@@ -0,0 +1,45 @@
+use jsonrpc_core::{Error, ErrorCode};
+use solana_sdk::clock::Slot;
+
+const JSON_RPC_SERVER_ERROR_0: i64 = -32000;
+const JSON_RPC_SERVER_ERROR_1: i64 = -32001;
+
+pub enum RpcCustomError {
+    NonexistentClusterRoot {
+        cluster_root: Slot,
+        node_root: Slot,
+    },
+    BlockCleanedUp {
+        slot: Slot,
+        first_available_block: Slot,
+    },
+}
+
+impl From<RpcCustomError> for Error {
+    fn from(e: RpcCustomError) -> Self {
+        match e {
+            RpcCustomError::NonexistentClusterRoot {
+                cluster_root,
+                node_root,
+            } => Self {
+                code: ErrorCode::ServerError(JSON_RPC_SERVER_ERROR_0),
+                message: format!(
+                    "Cluster largest_confirmed_root {} does not exist on node. Node root: {}",
+                    cluster_root, node_root,
+                ),
+                data: None,
+            },
+            RpcCustomError::BlockCleanedUp {
+                slot,
+                first_available_block,
+            } => Self {
+                code: ErrorCode::ServerError(JSON_RPC_SERVER_ERROR_1),
+                message: format!(
+                    "Block {} cleaned up, does not exist on node. First available block: {}",
+                    slot, first_available_block,
+                ),
+                data: None,
+            },
+        }
+    }
+}