DERO Homomorphic Encryption Testnet Release7

config/version.go

@@ -20,4 +20,4 @@ import "github.com/blang/semver"
 
 // right now it has to be manually changed
 // do we need to include git commitsha??
-var Version = semver.MustParse("3.0.0-23.DEROHE.alpha+27122020")
+var Version = semver.MustParse("3.0.0-24.DEROHE.alpha+30122020")

p2p/chain_response.go

@@ -74,7 +74,7 @@ func (connection *Connection) Handle_ChainResponse(buf []byte) {
 	// we do not need reorganisation if deviation is less than  or equak to 7 blocks
 	// only pop blocks if the system has somehow deviated more than 7 blocks
 	// if the deviation is less than 7 blocks, we internally reorganise everything
-	if chain.Load_TOPO_HEIGHT()-response.Start_topoheight >= config.STABLE_LIMIT && connection.SyncNode {
+	if chain.Get_Height() -response.Start_height > config.STABLE_LIMIT && connection.SyncNode {
 		// get our top block
 		rlog.Infof("rewinding status our %d  peer %d", chain.Load_TOPO_HEIGHT(), response.Start_topoheight)
 		pop_count := chain.Load_TOPO_HEIGHT() - response.Start_topoheight
@@ -84,6 +84,11 @@ func (connection *Connection) Handle_ChainResponse(buf []byte) {
 		connection.Send_ChainRequest()
 		return
 
+	}else if chain.Get_Height()-response.Start_height <= config.STABLE_LIMIT {
+        pop_count := chain.Load_TOPO_HEIGHT() - response.Start_topoheight
+		chain.Rewind_Chain(int(pop_count)) // pop as many blocks as necessary, assumming peer has given us good chain
+    }else{ // we must somehow notify that deviation is way too much and manual interaction is necessary, so as any bug for chain deviationmay be detected
+
     }
 
 	// response only 128 blocks at a time
@@ -93,7 +98,8 @@ func (connection *Connection) Handle_ChainResponse(buf []byte) {
 
 	rlog.Infof("response block list %d\n", len(response.Block_list))
 	for i := range response.Block_list {
-		if chain.Load_Block_Topological_order(response.Block_list[i]) == -1 { // if block is not in our chain, add it to request list
+        our_topo_order := chain.Load_Block_Topological_order(response.Block_list[i])
+		if  our_topo_order != (int64(i)+ response.Start_topoheight) ||  chain.Load_Block_Topological_order(response.Block_list[i]) == -1 { // if block is not in our chain, add it to request list
 			//queue_block(request.Block_list[i])
 			if max_blocks_to_queue >= 0 {
 				max_blocks_to_queue--

p2p/notification.go

@@ -18,7 +18,7 @@ package p2p
 
 //import "fmt"
 //import "net"
-//import "sync"
+import "sync/atomic"
 import "time"
 
 import "encoding/binary"
@@ -179,6 +179,24 @@ func (connection *Connection) Handle_Notification_Block(buf []byte) {
 		}
 	}
 
+// make sure connection does not timeout and be killed while processing huge blocks
+    processing_complete := make(chan bool)
+    go func() {
+            ticker := time.NewTicker(500 * time.Millisecond)
+            defer ticker.Stop()
+        for {
+                select {
+                    case <- processing_complete: return // complete the loop
+                    case  <-ticker.C:// give the chain some more time to respond
+		                    atomic.StoreInt64(&connection.LastObjectRequestTime, time.Now().Unix())
+                    }
+            }
+        }()
+
+    defer func() {
+            processing_complete <- true
+        }()
+
 	// check if we can add ourselves to chain
 	if err, ok := chain.Add_Complete_Block(&cbl); ok { // if block addition was successfil
 		// notify all peers

p2p/object_response.go

@@ -69,6 +69,25 @@ func (connection *Connection) Handle_ObjectResponse(buf []byte) {
 		rlog.Warnf("we got %d response for %d requests %s %s", len(response.CBlocks), len(expected.BLID), connection.logid)
 	}
 
+    // make sure connection does not timeout and be killed while processing huge blocks
+    processing_complete := make(chan bool)
+    go func() {
+            ticker := time.NewTicker(500 * time.Millisecond)
+            defer ticker.Stop()
+        for {
+                select {
+                    case <- processing_complete: return // complete the loop
+                    case  <-ticker.C:// give the chain some more time to respond
+		                    atomic.StoreInt64(&connection.LastObjectRequestTime, time.Now().Unix())
+                    }
+            }
+        }()
+
+    defer func() {
+            processing_complete <- true
+        }()
+    
+     
 	for i := 0; i < len(response.CBlocks); i++ { // process incoming full blocks
 		var cbl block.Complete_Block // parse incoming block and deserialize it
 		var bl block.Block