eth, eth/downloader: handle header requests, table driven proto tests

eth/peer.go

@@ -165,12 +165,23 @@ func (p *peer) SendBlockHeaders(headers []*types.Header) error {
 	return p2p.Send(p.rw, BlockHeadersMsg, headers)
 }
 
+// SendBlockBodies sends a batch of block contents to the remote peer.
+func (p *peer) SendBlockBodies(bodies []*blockBody) error {
+	return p2p.Send(p.rw, BlockBodiesMsg, blockBodiesData(bodies))
+}
+
 // SendNodeData sends a batch of arbitrary internal data, corresponding to the
 // hashes requested.
 func (p *peer) SendNodeData(data [][]byte) error {
 	return p2p.Send(p.rw, NodeDataMsg, data)
 }
 
+// SendReceipts sends a batch of transaction receipts, corresponding to the ones
+// requested.
+func (p *peer) SendReceipts(receipts []*types.Receipt) error {
+	return p2p.Send(p.rw, ReceiptsMsg, receipts)
+}
+
 // RequestHashes fetches a batch of hashes from a peer, starting at from, going
 // towards the genesis block.
 func (p *peer) RequestHashes(from common.Hash) error {
@@ -205,6 +216,12 @@ func (p *peer) RequestNodeData(hashes []common.Hash) error {
 	return p2p.Send(p.rw, GetNodeDataMsg, hashes)
 }
 
+// RequestReceipts fetches a batch of transaction receipts from a remote node.
+func (p *peer) RequestReceipts(hashes []common.Hash) error {
+	glog.V(logger.Debug).Infof("%v fetching %v receipts\n", p, len(hashes))
+	return p2p.Send(p.rw, GetReceiptsMsg, hashes)
+}
+
 // Handshake executes the eth protocol handshake, negotiating version number,
 // network IDs, difficulties, head and genesis blocks.
 func (p *peer) Handshake(td *big.Int, head common.Hash, genesis common.Hash) error {