rpc, node, mempool and start of ight client

blockchain/v2/reactor.go

@@ -23,10 +23,10 @@ const (
 )
 
 type blockStore interface {
-	LoadBlock(height int64) *types.Block
+	LoadBlock(height uint64) *types.Block
 	SaveBlock(*types.Block, *types.PartSet, *types.Commit)
-	Base() int64
-	Height() int64
+	Base() uint64
+	Height() uint64
 }
 
 // BlockchainReactor handles fast sync protocol.
@@ -40,8 +40,8 @@ type BlockchainReactor struct {
 	logger      log.Logger
 
 	mtx           tmsync.RWMutex
-	maxPeerHeight int64
-	syncHeight    int64
+	maxPeerHeight uint64
+	syncHeight    uint64
 	events        chan Event // non-nil during a fast sync
 
 	reporter behaviour.Reporter
@@ -50,7 +50,7 @@ type BlockchainReactor struct {
 }
 
 type blockApplier interface {
-	ApplyBlock(state state.State, blockID types.BlockID, block *types.Block) (state.State, int64, error)
+	ApplyBlock(state state.State, blockID types.BlockID, block *types.Block) (state.State, uint64, error)
 }
 
 // XXX: unify naming in this package around tmState

blockchain/v2/scheduler.go

@@ -157,11 +157,11 @@ func newScPeer(peerID p2p.NodeID) *scPeer {
 // scheduler will attempt to schedule new block requests with `trySchedule`
 // events and remove slow peers with `tryPrune` events.
 type scheduler struct {
-	initHeight int64
+	initHeight uint64
 
 	// next block that needs to be processed. All blocks with smaller height are
 	// in Processed state.
-	height int64
+	height uint64
 
 	// lastAdvance tracks the last time a block execution happened.
 	// syncTimeout is the maximum time the scheduler waits to advance in the fast sync process before finishing.
@@ -197,7 +197,7 @@ func (sc scheduler) String() string {
 		sc.initHeight, sc.blockStates, sc.peers, sc.pendingBlocks, sc.pendingTime, sc.receivedBlocks)
 }
 
-func newScheduler(initHeight int64, startTime time.Time) *scheduler {
+func newScheduler(initHeight uint64, startTime time.Time) *scheduler {
 	sc := scheduler{
 		initHeight:     initHeight,
 		lastAdvance:    startTime,