Set GRPC block to be just SSZ

beacon_node/rpc/src/beacon_block.rs

@@ -9,8 +9,10 @@ use protos::services::{
     PublishBeaconBlockRequest, PublishBeaconBlockResponse,
 };
 use protos::services_grpc::BeaconBlockService;
+use slog::debug;
 use slog::Logger;
-use types::{Hash256, Slot};
+use ssz::{Decodable, TreeHash};
+use types::{BeaconBlock, Hash256, Slot};
 
 #[derive(Clone)]
 pub struct BeaconBlockServiceInstance {
@@ -30,8 +32,7 @@ impl BeaconBlockService for BeaconBlockServiceInstance {
 
         // TODO: build a legit block.
         let mut block = BeaconBlockProto::new();
-        block.set_slot(req.get_slot());
+        block.set_ssz(b"cats".to_vec());
-        block.set_block_root(b"cats".to_vec());
 
         let mut resp = ProduceBeaconBlockResponse::new();
         resp.set_block(block);
@@ -49,17 +50,21 @@ impl BeaconBlockService for BeaconBlockServiceInstance {
         req: PublishBeaconBlockRequest,
         sink: UnarySink<PublishBeaconBlockResponse>,
     ) {
+        debug!(self.log, "PublishBeaconBlock");
+
         let block = req.get_block();
-        let block_root = Hash256::from_slice(block.get_block_root());
+
-        let block_slot = BlockRootSlot {
+        match BeaconBlock::ssz_decode(block.get_ssz(), 0) {
-            block_root,
+            Ok((block, _i)) => {
-            slot: Slot::from(block.get_slot()),
+                let block_root = Hash256::from_slice(&block.hash_tree_root()[..]);
-        };
-        println!("publishing block with root {:?}", block_root);
 
                 // TODO: Obtain topics from the network service properly.
                 let topic = types::TopicBuilder::new("beacon_chain".to_string()).build();
-        let message = PubsubMessage::Block(block_slot);
+                let message = PubsubMessage::Block(BlockRootSlot {
+                    block_root,
+                    slot: block.slot,
+                });
+
                 println!("Sending beacon block to gossipsub");
                 self.network_chan.send(NetworkMessage::Publish {
                     topics: vec![topic],
@@ -75,4 +80,9 @@ impl BeaconBlockService for BeaconBlockServiceInstance {
                     .map_err(move |e| println!("failed to reply {:?}: {:?}", req, e));
                 ctx.spawn(f)
             }
+            Err(e) => {
+                //
+            }
+        }
+    }
 }

protos/src/services.proto

@@ -83,10 +83,7 @@ message PublishBeaconBlockResponse {
 }
 
 message BeaconBlock {
-	uint64 slot = 1;
+	bytes ssz = 1;
-	bytes block_root = 2;
-	bytes randao_reveal = 3;
-	bytes signature = 4;
 }
 
 /*

validator_client/src/block_producer_service/beacon_block_grpc_client.rs

@@ -5,7 +5,7 @@ use protos::services::{
 use protos::services_grpc::BeaconBlockServiceClient;
 use ssz::{ssz_encode, Decodable};
 use std::sync::Arc;
-use types::{BeaconBlock, BeaconBlockBody, Eth1Data, Hash256, Signature, Slot};
+use types::{BeaconBlock, Signature, Slot};
 
 /// A newtype designed to wrap the gRPC-generated service so the `BeaconNode` trait may be
 /// implemented upon it.
@@ -40,33 +40,12 @@ impl BeaconNode for BeaconBlockGrpcClient {
 
         if reply.has_block() {
             let block = reply.get_block();
+            let ssz = block.get_ssz();
 
-            let (signature, _) = Signature::ssz_decode(block.get_signature(), 0)
+            let (block, _i) =
-                .map_err(|_| BeaconNodeError::DecodeFailure)?;
+                BeaconBlock::ssz_decode(&ssz, 0).map_err(|_| BeaconNodeError::DecodeFailure)?;
 
-            let (randao_reveal, _) = Signature::ssz_decode(block.get_randao_reveal(), 0)
+            Ok(Some(block))
-                .map_err(|_| BeaconNodeError::DecodeFailure)?;
-
-            // TODO: this conversion is incomplete; fix it.
-            Ok(Some(BeaconBlock {
-                slot: Slot::new(block.get_slot()),
-                previous_block_root: Hash256::zero(),
-                state_root: Hash256::zero(),
-                signature,
-                body: BeaconBlockBody {
-                    randao_reveal,
-                    eth1_data: Eth1Data {
-                        deposit_root: Hash256::zero(),
-                        block_hash: Hash256::zero(),
-                    },
-                    proposer_slashings: vec![],
-                    attester_slashings: vec![],
-                    attestations: vec![],
-                    deposits: vec![],
-                    voluntary_exits: vec![],
-                    transfers: vec![],
-                },
-            }))
         } else {
             Ok(None)
         }
@@ -79,12 +58,11 @@ impl BeaconNode for BeaconBlockGrpcClient {
     fn publish_beacon_block(&self, block: BeaconBlock) -> Result<PublishOutcome, BeaconNodeError> {
         let mut req = PublishBeaconBlockRequest::new();
 
+        let ssz = ssz_encode(&block);
+
         // TODO: this conversion is incomplete; fix it.
         let mut grpc_block = GrpcBeaconBlock::new();
-        grpc_block.set_slot(block.slot.as_u64());
+        grpc_block.set_ssz(ssz);
-        grpc_block.set_block_root(vec![0]);
-        grpc_block.set_randao_reveal(ssz_encode(&block.body.randao_reveal));
-        grpc_block.set_signature(ssz_encode(&block.signature));
 
         req.set_block(grpc_block);