Subgraph Composition: Use Firehose endpoint to load blocks for subgraph triggers

Author: incrypto32

chain/ethereum/src/adapter.rs

@@ -1,7 +1,6 @@
 use anyhow::Error;
 use ethabi::{Error as ABIError, Function, ParamType, Token};
 use graph::blockchain::ChainIdentifier;
-use graph::blockchain::ExtendedBlockPtr;
 use graph::components::subgraph::MappingError;
 use graph::data::store::ethereum::call;
 use graph::firehose::CallToFilter;
@@ -1110,13 +1109,6 @@ pub trait EthereumAdapter: Send + Sync + 'static {
         block_hash: H256,
     ) -> Box<dyn Future<Item = LightEthereumBlock, Error = Error> + Send>;
 
-    async fn load_block_ptrs_by_numbers(
-        &self,
-        _logger: Logger,
-        _chain_store: Arc<dyn ChainStore>,
-        _block_numbers: HashSet<BlockNumber>,
-    ) -> Box<dyn Stream<Item = Arc<ExtendedBlockPtr>, Error = Error> + Send>;
-
     /// Load Ethereum blocks in bulk, returning results as they come back as a Stream.
     /// May use the `chain_store` as a cache.
     async fn load_blocks(