From 4488927e1ff62a855afd84d42745e43385d5eff7 Mon Sep 17 00:00:00 2001 From: Shivam Sharma Date: Wed, 1 Dec 2021 16:34:55 +0530 Subject: [PATCH] Connected chain2head protobuf --- command/server/proto/server.pb.go | 207 ++++++++++++++++-------------- command/server/proto/server.proto | 1 + command/server/server.go | 2 + command/server/service.go | 32 ++++- core/blockchain.go | 53 ++++---- core/events.go | 6 + eth/api_backend.go | 4 + go.sum | 1 - 8 files changed, 175 insertions(+), 131 deletions(-) diff --git a/command/server/proto/server.pb.go b/command/server/proto/server.pb.go index b58f20a7d7..d7c1d67163 100644 --- a/command/server/proto/server.pb.go +++ b/command/server/proto/server.pb.go @@ -1,7 +1,7 @@ // Code generated by protoc-gen-go. DO NOT EDIT. // versions: // protoc-gen-go v1.25.0 -// protoc v3.12.0 +// protoc v3.17.3 // source: command/server/proto/server.proto package proto @@ -119,6 +119,7 @@ type ChainWatchResponse struct { Oldchain []*BlockStub `protobuf:"bytes,1,rep,name=oldchain,proto3" json:"oldchain,omitempty"` Newchain []*BlockStub `protobuf:"bytes,2,rep,name=newchain,proto3" json:"newchain,omitempty"` + Type string `protobuf:"bytes,3,opt,name=type,proto3" json:"type,omitempty"` } func (x *ChainWatchResponse) Reset() { @@ -167,6 +168,13 @@ func (x *ChainWatchResponse) GetNewchain() []*BlockStub { return nil } +func (x *ChainWatchResponse) GetType() string { + if x != nil { + return x.Type + } + return "" +} + type BlockStub struct { state protoimpl.MessageState sizeCache protoimpl.SizeCache @@ -892,105 +900,106 @@ var file_command_server_proto_server_proto_rawDesc = []byte{ 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x05, 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a/command/server/server.go +++ b/command/server/server.go @@ -15,6 +15,7 @@ import ( "github.com/ethereum/go-ethereum/eth" "github.com/ethereum/go-ethereum/eth/tracers" "github.com/ethereum/go-ethereum/ethstats" + "github.com/ethereum/go-ethereum/event" "github.com/ethereum/go-ethereum/graphql" "github.com/ethereum/go-ethereum/log" "github.com/ethereum/go-ethereum/metrics" @@ -38,6 +39,7 @@ type Server struct { backend *eth.Ethereum grpcServer *grpc.Server tracer *sdktrace.TracerProvider + headSub event.Subscription } func NewServer(config *Config) (*Server, error) { diff --git a/command/server/service.go b/command/server/service.go index f2c8a423b1..526d4b66bf 100644 --- a/command/server/service.go +++ b/command/server/service.go @@ -9,6 +9,7 @@ import ( "github.com/ethereum/go-ethereum/command/server/pprof" "github.com/ethereum/go-ethereum/command/server/proto" "github.com/ethereum/go-ethereum/core" + "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/p2p" "github.com/ethereum/go-ethereum/p2p/enode" ) @@ -109,17 +110,36 @@ func (s *Server) ChainSetHead(ctx context.Context, req *proto.ChainSetHeadReques return &proto.ChainSetHeadResponse{}, nil } +func ConvertBlockToBlockStub(blocks []*types.Block) []*proto.BlockStub { + + var blockStubs []*proto.BlockStub + + for _, block := range blocks { + blockStub := &proto.BlockStub{ + Hash: block.Hash().String(), + Number: block.NumberU64(), + } + blockStubs = append(blockStubs, blockStub) + } + + return blockStubs +} + func (s *Server) ChainWatch(req *proto.ChainWatchRequest, reply proto.Bor_ChainWatchServer) error { // 1. start the feed to the blcokchain events // 2. for each event send a proto.ChainWatchResponse - chainHeadCh := make(chan core.ChainHeadEvent, chainHeadChanSize) - s.headSub = s.backend.SubscribeChainHeadEvent(chainHeadCh) + chain2HeadChanSize := 10 + + chain2HeadCh := make(chan core.Chain2HeadEvent, chain2HeadChanSize) + s.headSub = s.backend.APIBackend.SubscribeChain2HeadEvent(chain2HeadCh) for { - msg := <-chainHeadCh - reply.Send(&proto.ChainWatchResponse{}) + msg := <-chain2HeadCh + fmt.Print(msg) + reply.Send(&proto.ChainWatchResponse{Type: msg.Type, + Newchain: ConvertBlockToBlockStub(msg.NewChain), + Oldchain: ConvertBlockToBlockStub(msg.OldChain), + }) } - - return nil } diff --git a/core/blockchain.go b/core/blockchain.go index f0f1375763..0615b0e84b 100644 --- a/core/blockchain.go +++ b/core/blockchain.go @@ -175,15 +175,16 @@ type BlockChain struct { // * nil: disable tx reindexer/deleter, but still index new blocks txLookupLimit uint64 - hc *HeaderChain - rmLogsFeed event.Feed - chainFeed event.Feed - chainSideFeed event.Feed - chainHeadFeed event.Feed - logsFeed event.Feed - blockProcFeed event.Feed - scope event.SubscriptionScope - genesisBlock *types.Block + hc *HeaderChain + rmLogsFeed event.Feed + chainFeed event.Feed + chainSideFeed event.Feed + chainHeadFeed event.Feed + chain2HeadFeed event.Feed + logsFeed event.Feed + blockProcFeed event.Feed + scope event.SubscriptionScope + genesisBlock *types.Block // This mutex synchronizes chain write operations. // Readers don't need to take it, they can just read the database. @@ -1641,22 +1642,20 @@ func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types. bc.stateSyncFeed.Send(StateSyncEvent{Data: data}) } - // ... - // bc.chain2HeadFeed.Send(ChainHeadEvent2{ - // Type: "head", - // NewChain: []{block} - // }) + bc.chain2HeadFeed.Send(Chain2HeadEvent{ + Type: "head", + NewChain: []*types.Block{block}, + }) // BOR } } else { bc.chainSideFeed.Send(ChainSideEvent{Block: block}) - // ... - // bc.chain2HeadFeed.Send(ChainHeadEvent2{ - // Type: "fork", - // NewChain: []{block} - // }) + bc.chain2HeadFeed.Send(Chain2HeadEvent{ + Type: "fork", + NewChain: []*types.Block{block}, + }) } return status, nil } @@ -2276,12 +2275,11 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error { // Ensure the user sees large reorgs if len(oldChain) > 0 && len(newChain) > 0 { - // ... - // bc.chain2HeadFeed.Send(ChainHeadEvent2{ - // Type: "reorg", - // NewChain: newChain, - // OldChain: oldChain, - // }) + bc.chain2HeadFeed.Send(Chain2HeadEvent{ + Type: "reorg", + NewChain: newChain, + OldChain: oldChain, + }) logFn := log.Info msg := "Chain reorg detected" @@ -2591,6 +2589,11 @@ func (bc *BlockChain) SubscribeChainHeadEvent(ch chan<- ChainHeadEvent) event.Su return bc.scope.Track(bc.chainHeadFeed.Subscribe(ch)) } +// SubscribeChain2HeadEvent registers a subscription of ChainHeadEvent. () +func (bc *BlockChain) SubscribeChain2HeadEvent(ch chan<- Chain2HeadEvent) event.Subscription { + return bc.scope.Track(bc.chain2HeadFeed.Subscribe(ch)) +} + // SubscribeChainSideEvent registers a subscription of ChainSideEvent. func (bc *BlockChain) SubscribeChainSideEvent(ch chan<- ChainSideEvent) event.Subscription { return bc.scope.Track(bc.chainSideFeed.Subscribe(ch)) diff --git a/core/events.go b/core/events.go index ac935a137f..648546ea36 100644 --- a/core/events.go +++ b/core/events.go @@ -41,3 +41,9 @@ type ChainSideEvent struct { } type ChainHeadEvent struct{ Block *types.Block } + +type Chain2HeadEvent struct { + NewChain []*types.Block + OldChain []*types.Block + Type string +} diff --git a/eth/api_backend.go b/eth/api_backend.go index 01e68f6781..7e781e773a 100644 --- a/eth/api_backend.go +++ b/eth/api_backend.go @@ -227,6 +227,10 @@ func (b *EthAPIBackend) SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) e return b.eth.BlockChain().SubscribeChainHeadEvent(ch) } +func (b *EthAPIBackend) SubscribeChain2HeadEvent(ch chan<- core.Chain2HeadEvent) event.Subscription { + return b.eth.BlockChain().SubscribeChain2HeadEvent(ch) +} + func (b *EthAPIBackend) SubscribeChainSideEvent(ch chan<- core.ChainSideEvent) event.Subscription { return b.eth.BlockChain().SubscribeChainSideEvent(ch) } diff --git a/go.sum b/go.sum index 96d83f3fcc..cec3ce626f 100644 --- a/go.sum +++ b/go.sum @@ -33,7 +33,6 @@ github.com/Azure/go-autorest/autorest/date v0.2.0 h1:yW+Zlqf26583pE43KhfnhFcdmSW github.com/Azure/go-autorest/autorest/date v0.2.0/go.mod h1:vcORJHLJEh643/Ioh9+vPmf1Ij9AEBM5FuBIXLmIy0g= github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0= github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0= -github.com/Azure/go-autorest/autorest/mocks v0.3.0 h1:qJumjCaCudz+OcqE9/XtEPfvtOjOmKaui4EOpFI6zZc= github.com/Azure/go-autorest/autorest/mocks v0.3.0/go.mod h1:a8FDP3DYzQ4RYfVAxAN3SVSiiO77gL2j2ronKKP0syM= github.com/Azure/go-autorest/logger v0.1.0 h1:ruG4BSDXONFRrZZJ2GUXDiUyVpayPmb1GnWeHDdaNKY= github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=