BEP-126: Introduce Fast Finality Mechanism

.gitignore

@@ -50,3 +50,5 @@ profile.cov
 **/yarn-error.log
 cmd/geth/node/
 cmd/geth/__debug_bin
+cmd/bootnode/bootnode
+graphql/__debug_bin

Dockerfile

@@ -6,7 +6,7 @@ ARG BUILDNUM=""
 # Build Geth in a stock Go builder container
 FROM golang:1.19-alpine as builder
 
-RUN apk add --no-cache make gcc musl-dev linux-headers git bash
+RUN apk add --no-cache make cmake gcc musl-dev linux-headers git bash build-base libc-dev
 # Get dependencies - will also be cached if we won't change go.mod/go.sum
 COPY go.mod /go-ethereum/
 COPY go.sum /go-ethereum/
@@ -26,9 +26,10 @@ ENV BSC_HOME=/bsc
 ENV HOME=${BSC_HOME}
 ENV DATA_DIR=/data
 
+ARG VERSION_GCC=11.2.1_git20220219-r2
 ENV PACKAGES ca-certificates~=20220614-r0 jq~=1.6 \
   bash~=5.1.16-r2 bind-tools~=9.16.36 tini~=0.19.0 \
-  grep~=3.7 curl~=7.83.1 sed~=4.8-r0
+  grep~=3.7 curl~=7.83.1 sed~=4.8-r0 gcc==${VERSION_GCC}
 
 RUN apk add --no-cache $PACKAGES \
   && rm -rf /var/cache/apk/* \
@@ -56,4 +57,4 @@ USER ${BSC_USER_UID}:${BSC_USER_GID}
 # rpc ws graphql
 EXPOSE 8545 8546 8547 30303 30303/udp
 
-ENTRYPOINT ["/sbin/tini", "--", "./docker-entrypoint.sh"]
+ENTRYPOINT ["/sbin/tini", "--", "./docker-entrypoint.sh"]

accounts/abi/bind/backends/simulated.go

@@ -826,11 +826,22 @@ type filterBackend struct {
 func (fb *filterBackend) ChainDb() ethdb.Database  { return fb.db }
 func (fb *filterBackend) EventMux() *event.TypeMux { panic("not supported") }
 
-func (fb *filterBackend) HeaderByNumber(ctx context.Context, block rpc.BlockNumber) (*types.Header, error) {
-	if block == rpc.LatestBlockNumber {
+func (fb *filterBackend) HeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Header, error) {
+	switch number {
+	case rpc.PendingBlockNumber:
+		if block := fb.backend.pendingBlock; block != nil {
+			return block.Header(), nil
+		}
+		return nil, nil
+	case rpc.LatestBlockNumber:
 		return fb.bc.CurrentHeader(), nil
+	case rpc.FinalizedBlockNumber:
+		return fb.bc.CurrentFinalBlock(), nil
+	case rpc.SafeBlockNumber:
+		return fb.bc.CurrentSafeBlock(), nil
+	default:
+		return fb.bc.GetHeaderByNumber(uint64(number.Int64())), nil
 	}
-	return fb.bc.GetHeaderByNumber(uint64(block.Int64())), nil
 }
 
 func (fb *filterBackend) HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error) {
@@ -869,10 +880,18 @@ func (fb *filterBackend) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.
 	return nullSubscription()
 }
 
+func (fb *filterBackend) SubscribeNewVoteEvent(ch chan<- core.NewVoteEvent) event.Subscription {
+	return nullSubscription()
+}
+
 func (fb *filterBackend) SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription {
 	return fb.bc.SubscribeChainEvent(ch)
 }
 
+func (fb *filterBackend) SubscribeFinalizedHeaderEvent(ch chan<- core.FinalizedHeaderEvent) event.Subscription {
+	return fb.bc.SubscribeFinalizedHeaderEvent(ch)
+}
+
 func (fb *filterBackend) SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription {
 	return fb.bc.SubscribeRemovedLogsEvent(ch)
 }

beacon/engine/types.go

@@ -0,0 +1,18 @@
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// just for prysm compile pass
+package engine