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				@ -700,7 +700,7 @@ impl LogManager {
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        data_db_source: Arc<dyn ZgsKeyValueDB>,
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        config: LogConfig,
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    ) -> Result<Self> {
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        let tx_store = TransactionStore::new(data_db_source.clone())?;
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        let tx_store = TransactionStore::new(flow_db_source.clone(), data_db_source.clone())?;
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        let flow_db = Arc::new(FlowDBStore::new(flow_db_source.clone()));
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        let data_db = Arc::new(FlowDBStore::new(data_db_source.clone()));
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        let flow_store = Arc::new(FlowStore::new(
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@ -57,19 +57,24 @@ pub struct BlockHashAndSubmissionIndex {
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}
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pub struct TransactionStore {
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    kvdb: Arc<dyn ZgsKeyValueDB>,
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    flow_kvdb: Arc<dyn ZgsKeyValueDB>,
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    data_kvdb: Arc<dyn ZgsKeyValueDB>,
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    /// This is always updated before writing the database to ensure no intermediate states.
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    next_tx_seq: AtomicU64,
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}
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impl TransactionStore {
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    pub fn new(kvdb: Arc<dyn ZgsKeyValueDB>) -> Result<Self> {
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        let next_tx_seq = kvdb
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    pub fn new(
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        flow_kvdb: Arc<dyn ZgsKeyValueDB>,
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        data_kvdb: Arc<dyn ZgsKeyValueDB>,
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    ) -> Result<Self> {
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        let next_tx_seq = flow_kvdb
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            .get(COL_TX, NEXT_TX_KEY.as_bytes())?
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            .map(|a| decode_tx_seq(&a))
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            .unwrap_or(Ok(0))?;
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        Ok(Self {
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            kvdb,
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            flow_kvdb,
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            data_kvdb,
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            next_tx_seq: AtomicU64::new(next_tx_seq),
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        })
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    }
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@ -86,7 +91,7 @@ impl TransactionStore {
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            return Ok(old_tx_seq_list);
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        }
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        let mut db_tx = self.kvdb.transaction();
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        let mut db_tx = self.flow_kvdb.transaction();
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        if !tx.data.is_empty() {
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            tx.size = tx.data.len() as u64;
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            let mut padded_data = tx.data.clone();
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@ -113,7 +118,7 @@ impl TransactionStore {
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            &new_tx_seq_list.as_ssz_bytes(),
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        );
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        self.next_tx_seq.store(tx.seq + 1, Ordering::SeqCst);
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        self.kvdb.write(db_tx)?;
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        self.flow_kvdb.write(db_tx)?;
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        metrics::TX_STORE_PUT.update_since(start_time);
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        Ok(old_tx_seq_list)
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    }
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@ -123,7 +128,7 @@ impl TransactionStore {
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        if seq >= self.next_tx_seq() {
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            return Ok(None);
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        }
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        let value = try_option!(self.kvdb.get(COL_TX, &seq.to_be_bytes())?);
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        let value = try_option!(self.flow_kvdb.get(COL_TX, &seq.to_be_bytes())?);
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        let tx = Transaction::from_ssz_bytes(&value).map_err(Error::from)?;
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        metrics::TX_BY_SEQ_NUMBER.update_since(start_time);
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        Ok(Some(tx))
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@ -132,15 +137,16 @@ impl TransactionStore {
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    pub fn remove_tx_after(&self, min_seq: u64) -> Result<Vec<Transaction>> {
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        let mut removed_txs = Vec::new();
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        let max_seq = self.next_tx_seq();
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        let mut db_tx = self.kvdb.transaction();
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        let mut flow_db_tx = self.flow_kvdb.transaction();
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        let mut data_db_tx = self.data_kvdb.transaction();
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        let mut modified_merkle_root_map = HashMap::new();
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        for seq in min_seq..max_seq {
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            let Some(tx) = self.get_tx_by_seq_number(seq)? else {
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                error!(?seq, ?max_seq, "Transaction missing before the end");
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                break;
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            };
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            db_tx.delete(COL_TX, &seq.to_be_bytes());
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            db_tx.delete(COL_TX_COMPLETED, &seq.to_be_bytes());
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            flow_db_tx.delete(COL_TX, &seq.to_be_bytes());
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            data_db_tx.delete(COL_TX_COMPLETED, &seq.to_be_bytes());
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            // We only remove tx when the blockchain reorgs.
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            // If a tx is reverted, all data after it will also be reverted, so we call remove
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            // all indices after it.
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@ -155,24 +161,25 @@ impl TransactionStore {
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        }
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        for (merkle_root, tx_seq_list) in modified_merkle_root_map {
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            if tx_seq_list.is_empty() {
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                db_tx.delete(COL_TX_DATA_ROOT_INDEX, merkle_root.as_bytes());
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                flow_db_tx.delete(COL_TX_DATA_ROOT_INDEX, merkle_root.as_bytes());
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            } else {
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                db_tx.put(
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                flow_db_tx.put(
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                    COL_TX_DATA_ROOT_INDEX,
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                    merkle_root.as_bytes(),
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                    &tx_seq_list.as_ssz_bytes(),
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                );
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            }
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        }
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        db_tx.put(COL_TX, NEXT_TX_KEY.as_bytes(), &min_seq.to_be_bytes());
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        flow_db_tx.put(COL_TX, NEXT_TX_KEY.as_bytes(), &min_seq.to_be_bytes());
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        self.next_tx_seq.store(min_seq, Ordering::SeqCst);
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        self.kvdb.write(db_tx)?;
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        self.data_kvdb.write(data_db_tx)?;
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        self.flow_kvdb.write(flow_db_tx)?;
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        Ok(removed_txs)
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    }
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    pub fn get_tx_seq_list_by_data_root(&self, data_root: &DataRoot) -> Result<Vec<u64>> {
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        let value = match self
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            .kvdb
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            .flow_kvdb
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            .get(COL_TX_DATA_ROOT_INDEX, data_root.as_bytes())?
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        {
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            Some(v) => v,
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@ -183,7 +190,7 @@ impl TransactionStore {
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    #[instrument(skip(self))]
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    pub fn finalize_tx(&self, tx_seq: u64) -> Result<()> {
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        Ok(self.kvdb.put(
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        Ok(self.data_kvdb.put(
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            COL_TX_COMPLETED,
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            &tx_seq.to_be_bytes(),
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            &[TxStatus::Finalized.into()],
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@ -192,7 +199,7 @@ impl TransactionStore {
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    #[instrument(skip(self))]
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    pub fn prune_tx(&self, tx_seq: u64) -> Result<()> {
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        Ok(self.kvdb.put(
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        Ok(self.data_kvdb.put(
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            COL_TX_COMPLETED,
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            &tx_seq.to_be_bytes(),
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            &[TxStatus::Pruned.into()],
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@ -200,7 +207,9 @@ impl TransactionStore {
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    }
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    pub fn get_tx_status(&self, tx_seq: u64) -> Result<Option<TxStatus>> {
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        let value = try_option!(self.kvdb.get(COL_TX_COMPLETED, &tx_seq.to_be_bytes())?);
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        let value = try_option!(self
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            .data_kvdb
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            .get(COL_TX_COMPLETED, &tx_seq.to_be_bytes())?);
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        match value.first() {
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            Some(v) => Ok(Some(TxStatus::try_from(*v)?)),
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            None => Ok(None),
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@ -239,14 +248,14 @@ impl TransactionStore {
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                (progress.1, p).as_ssz_bytes(),
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            ));
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        }
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        Ok(self.kvdb.puts(items)?)
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        Ok(self.flow_kvdb.puts(items)?)
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    }
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    #[instrument(skip(self))]
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    pub fn get_progress(&self) -> Result<Option<(u64, H256)>> {
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        Ok(Some(
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            <(u64, H256)>::from_ssz_bytes(&try_option!(self
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                .kvdb
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                .flow_kvdb
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                .get(COL_MISC, LOG_SYNC_PROGRESS_KEY.as_bytes())?))
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            .map_err(Error::from)?,
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        ))
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@ -254,7 +263,7 @@ impl TransactionStore {
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    #[instrument(skip(self))]
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    pub fn put_log_latest_block_number(&self, block_number: u64) -> Result<()> {
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        Ok(self.kvdb.put(
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        Ok(self.flow_kvdb.put(
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            COL_MISC,
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            LOG_LATEST_BLOCK_NUMBER_KEY.as_bytes(),
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            &block_number.as_ssz_bytes(),
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@ -265,7 +274,7 @@ impl TransactionStore {
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    pub fn get_log_latest_block_number(&self) -> Result<Option<u64>> {
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        Ok(Some(
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            <u64>::from_ssz_bytes(&try_option!(self
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                .kvdb
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                .flow_kvdb
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                .get(COL_MISC, LOG_LATEST_BLOCK_NUMBER_KEY.as_bytes())?))
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            .map_err(Error::from)?,
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        ))
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@ -277,7 +286,7 @@ impl TransactionStore {
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    ) -> Result<Option<(H256, Option<u64>)>> {
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        Ok(Some(
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            <(H256, Option<u64>)>::from_ssz_bytes(&try_option!(self
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                .kvdb
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                .flow_kvdb
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                .get(COL_BLOCK_PROGRESS, &block_number.to_be_bytes())?))
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            .map_err(Error::from)?,
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        ))
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@ -285,7 +294,7 @@ impl TransactionStore {
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    pub fn get_block_hashes(&self) -> Result<Vec<(u64, BlockHashAndSubmissionIndex)>> {
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        let mut block_numbers = vec![];
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        for r in self.kvdb.iter(COL_BLOCK_PROGRESS) {
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        for r in self.flow_kvdb.iter(COL_BLOCK_PROGRESS) {
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            let (key, val) = r?;
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            let block_number =
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                u64::from_be_bytes(key.as_ref().try_into().map_err(|e| anyhow!("{:?}", e))?);
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@ -305,7 +314,7 @@ impl TransactionStore {
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    pub fn delete_block_hash_by_number(&self, block_number: u64) -> Result<()> {
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        Ok(self
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            .kvdb
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            .flow_kvdb
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            .delete(COL_BLOCK_PROGRESS, &block_number.to_be_bytes())?)
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    }
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@ -42,7 +42,7 @@ class ContractProxy:
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        contract = self._get_contract(node_idx)
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        return getattr(contract.events, event_name).create_filter(fromBlock =0, toBlock="latest").get_all_entries()
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        return getattr(contract.events, event_name).create_filter(from_block=0, to_block="latest").get_all_entries()
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    def transfer(self, value, node_idx = 0):
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        tx_params = copy(TX_PARAMS)
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