Renamed a few things.

solana-explorer/src/map_block_without_votes.rs

@@ -0,0 +1,34 @@
+use substreams_solana::pb::sf::solana::r#type::v1::{Block, ConfirmedTransaction};
+
+static VOTE_INSTRUCTION: &[u8] = b"Vote111111111111111111111111111111111111111";
+
+#[substreams::handlers::map]
+fn map_block_without_votes(block: Block) -> Result<Block, substreams::errors::Error> {
+    let mut block_cloned: Block = block.clone();
+
+    let filtered_transactions: Vec<ConfirmedTransaction> = block.transactions_owned()
+        .filter(|trx| {
+            let meta = match trx.meta.as_ref() {
+                Some(meta) => meta,
+                None => return false,
+            };
+            if meta.err.is_some() {
+                return false;
+            }
+            let transaction = match trx.transaction.as_ref() {
+                Some(transaction) => transaction,
+                None => return false,
+            };
+            let message = transaction.message.as_ref().expect("Message is missing");
+
+            if message.account_keys.contains(&VOTE_INSTRUCTION.to_vec()) {
+                return false;
+            }
+
+            true
+        }).collect();
+
+    block_cloned.transactions = filtered_transactions;
+
+    Ok(block_cloned)
+}