Calculate log index from transaction itself

rust/main/chains/hyperlane-sealevel/src/interchain_gas.rs

@@ -12,7 +12,7 @@ use tracing::{info, instrument};
 use hyperlane_core::{
     config::StrOrIntParseError, ChainCommunicationError, ChainResult, ContractLocator,
     HyperlaneChain, HyperlaneContract, HyperlaneDomain, HyperlaneProvider, Indexed, Indexer,
-    InterchainGasPaymaster, InterchainGasPayment, LogMeta, SequenceAwareIndexer, H256, U256,
+    InterchainGasPaymaster, InterchainGasPayment, LogMeta, SequenceAwareIndexer, H256,
 };
 
 use crate::account::{search_accounts_by_discriminator, search_and_validate_account};
@@ -150,10 +150,19 @@ impl SealevelInterchainGasPaymasterIndexer {
             self.interchain_payment_account(account)
         })?;
 
+        self.sealevel_gas_payment(sequence_number, &valid_payment_pda_pubkey)
+            .await
+    }
+
+    async fn sealevel_gas_payment(
+        &self,
+        sequence_number: u64,
+        payment_pda_pubkey: &Pubkey,
+    ) -> ChainResult<SealevelGasPayment> {
         // Now that we have the valid gas payment PDA pubkey, we can get the full account data.
         let account = self
             .rpc_client
-            .get_account_with_finalized_commitment(&valid_payment_pda_pubkey)
+            .get_account_with_finalized_commitment(payment_pda_pubkey)
             .await?;
         let gas_payment_account = GasPaymentAccount::fetch(&mut account.data.as_ref())
             .map_err(ChainCommunicationError::from_other)?
@@ -169,11 +178,7 @@ impl SealevelInterchainGasPaymasterIndexer {
         };
 
         let log_meta = self
-            .interchain_payment_log_meta(
-                U256::from(sequence_number),
-                &valid_payment_pda_pubkey,
-                &gas_payment_account.slot,
-            )
+            .interchain_payment_log_meta(payment_pda_pubkey, &gas_payment_account.slot)
             .await?;
 
         Ok(SealevelGasPayment::new(
@@ -189,14 +194,13 @@ impl SealevelInterchainGasPaymasterIndexer {
 
     async fn interchain_payment_log_meta(
         &self,
-        log_index: U256,
         payment_pda_pubkey: &Pubkey,
         payment_pda_slot: &Slot,
     ) -> ChainResult<LogMeta> {
         let block = self.rpc_client.get_block(*payment_pda_slot).await?;
 
         self.log_meta_composer
-            .log_meta(block, log_index, payment_pda_pubkey, payment_pda_slot)
+            .log_meta(block, payment_pda_pubkey, payment_pda_slot)
             .map_err(Into::<ChainCommunicationError>::into)
     }
 

rust/main/chains/hyperlane-sealevel/src/log_meta_composer.rs

@@ -36,7 +36,6 @@ impl LogMetaComposer {
     pub fn log_meta(
         &self,
         block: UiConfirmedBlock,
-        log_index: U256,
         pda_pubkey: &Pubkey,
         pda_slot: &Slot,
     ) -> Result<LogMeta, HyperlaneSealevelError> {
@@ -64,15 +63,17 @@ impl LogMetaComposer {
             )))?
         }
 
-        let (transaction_index, transaction_hash) =
-            transaction_hashes
-                .into_iter()
-                .next()
-                .ok_or(HyperlaneSealevelError::NoTransactions(format!(
+        let (transaction_index, transaction_hash, program_index) = transaction_hashes
+            .into_iter()
+            .next()
+            .ok_or(HyperlaneSealevelError::NoTransactions(format!(
                 "block which should contain {} transaction does not contain any after filtering",
                 self.transaction_description,
             )))?;
 
+        // Construct log index which will be increasing relative to block
+        let log_index = U256::from((transaction_index << 8) + (program_index as usize));
+
         let log_meta = LogMeta {
             address: self.program_id.to_bytes().into(),
             block_number: *pda_slot,
@@ -120,7 +121,8 @@ pub fn is_interchain_payment_instruction(instruction_data: &[u8]) -> bool {
 }
 
 /// This function searches for relevant transactions in the vector of provided transactions and
-/// returns the relative index and hashes of such transactions.
+/// returns the relative index and hashes of such transactions together with index of the relevant
+/// instruction.
 ///
 /// This function takes a program identifier and the identifier for PDA and searches transactions
 /// which act upon this program and the PDA.
@@ -144,16 +146,19 @@ fn search_transactions(
     program_id: &Pubkey,
     pda_pubkey: &Pubkey,
     is_specified_instruction: fn(&[u8]) -> bool,
-) -> Vec<(usize, H512)> {
+) -> Vec<(usize, H512, u8)> {
     transactions
         .into_iter()
         .enumerate()
-        .filter_map(|(index, tx)| filter_by_encoding(tx).map(|(tx, meta)| (index, tx, meta)))
-        .filter_map(|(index, tx, meta)| {
-            filter_by_validity(tx, meta)
-                .map(|(hash, account_keys, instructions)| (index, hash, account_keys, instructions))
+        .filter_map(|(txn_index, tx)| {
+            filter_by_encoding(tx).map(|(tx, meta)| (txn_index, tx, meta))
+        })
+        .filter_map(|(txn_index, tx, meta)| {
+            filter_by_validity(tx, meta).map(|(hash, account_keys, instructions)| {
+                (txn_index, hash, account_keys, instructions)
+            })
         })
-        .filter_map(|(index, hash, account_keys, instructions)| {
+        .filter_map(|(txn_index, hash, account_keys, instructions)| {
             filter_by_relevancy(
                 program_id,
                 pda_pubkey,
@@ -162,9 +167,9 @@ fn search_transactions(
                 instructions,
                 is_specified_instruction,
             )
-            .map(|hash| (index, hash))
+            .map(|(hash, program_index)| (txn_index, hash, program_index))
         })
-        .collect::<Vec<(usize, H512)>>()
+        .collect::<Vec<(usize, H512, u8)>>()
 }
 
 fn filter_by_relevancy(
@@ -174,7 +179,7 @@ fn filter_by_relevancy(
     account_keys: Vec<String>,
     instructions: Vec<UiCompiledInstruction>,
     is_specified_instruction: fn(&[u8]) -> bool,
-) -> Option<H512> {
+) -> Option<(H512, u8)> {
     let account_index_map = account_index_map(account_keys);
 
     let program_id_str = program_id.to_string();
@@ -213,7 +218,7 @@ fn filter_by_relevancy(
         return None;
     }
 
-    Some(hash)
+    Some((hash, program.program_id_index))
 }
 
 fn filter_by_validity(

rust/main/chains/hyperlane-sealevel/src/mailbox.rs

@@ -718,7 +718,6 @@ impl SealevelMailboxIndexer {
 
         let log_meta = self
             .dispatch_message_log_meta(
-                U256::from(nonce),
                 &valid_message_storage_pda_pubkey,
                 &dispatched_message_account.slot,
             )
@@ -743,7 +742,6 @@ impl SealevelMailboxIndexer {
 
     async fn dispatch_message_log_meta(
         &self,
-        log_index: U256,
         message_storage_pda_pubkey: &Pubkey,
         message_account_slot: &Slot,
     ) -> ChainResult<LogMeta> {
@@ -755,12 +753,7 @@ impl SealevelMailboxIndexer {
             .await?;
 
         self.dispatch_message_log_meta_composer
-            .log_meta(
-                block,
-                log_index,
-                message_storage_pda_pubkey,
-                message_account_slot,
-            )
+            .log_meta(block, message_storage_pda_pubkey, message_account_slot)
             .map_err(Into::<ChainCommunicationError>::into)
     }
 
@@ -800,7 +793,6 @@ impl SealevelMailboxIndexer {
 
         let log_meta = self
             .delivered_message_log_meta(
-                U256::from(nonce),
                 &valid_message_storage_pda_pubkey,
                 &delivered_message_account.slot,
             )
@@ -823,7 +815,6 @@ impl SealevelMailboxIndexer {
 
     async fn delivered_message_log_meta(
         &self,
-        log_index: U256,
         message_storage_pda_pubkey: &Pubkey,
         message_account_slot: &Slot,
     ) -> ChainResult<LogMeta> {
@@ -835,12 +826,7 @@ impl SealevelMailboxIndexer {
             .await?;
 
         self.delivery_message_log_meta_composer
-            .log_meta(
-                block,
-                log_index,
-                message_storage_pda_pubkey,
-                message_account_slot,
-            )
+            .log_meta(block, message_storage_pda_pubkey, message_account_slot)
             .map_err(Into::<ChainCommunicationError>::into)
     }
 }