Function tx_exists 

pub fn tx_exists(
    tx_hash: &TxHash,
    table_tx_ids: &impl DatabaseRo<TxIds>,
) -> DbResult<bool>

Check if a transaction exists in the database.

Returns true if it does, else false.

Errors

This function returns cuprate_database::RuntimeError::KeyNotFound if the input (if applicable) doesn’t exist or other RuntimeError’s on database errors.