blocksync: drop support for enabled=false (#8912)

test/e2e/generator/generate.go

@@ -47,8 +47,6 @@ var (
 		"tcp":  20,
 		"unix": 10,
 	}
-	// FIXME: v2 disabled due to flake
-	nodeBlockSyncs = uniformChoice{"v0"} // "v2"
 	nodeMempools   = uniformChoice{"v0", "v1"}
 	nodeStateSyncs = weightedChoice{
 		e2e.StateSyncDisabled: 10,
@@ -397,7 +395,7 @@ func generateNode(
 		StartAt:          startAt,
 		Database:         nodeDatabases.Choose(r),
 		PrivvalProtocol:  nodePrivvalProtocols.Choose(r),
-		BlockSync:        nodeBlockSyncs.Choose(r).(string),
+		BlockSync:        "v0",
 		Mempool:          nodeMempools.Choose(r).(string),
 		StateSync:        e2e.StateSyncDisabled,
 		PersistInterval:  ptrUint64(uint64(nodePersistIntervals.Choose(r).(int))),

test/e2e/networks/ci.toml

@@ -43,7 +43,6 @@ persist_interval = 0
 perturb = ["restart"]
 privval_protocol = "tcp"
 seeds = ["seed01"]
-block_sync = "v0"
 
 [node.validator03]
 database = "badgerdb"
@@ -52,7 +51,6 @@ abci_protocol = "grpc"
 persist_interval = 3
 perturb = ["kill"]
 privval_protocol = "grpc"
-block_sync = "v0"
 retain_blocks = 10
 
 [node.validator04]
@@ -61,11 +59,9 @@ snapshot_interval = 5
 database = "rocksdb"
 persistent_peers = ["validator01"]
 perturb = ["pause"]
-block_sync = "v0"
 
 [node.validator05]
 database = "cleveldb"
-block_sync = "v0"
 state_sync = "p2p"
 seeds = ["seed01"]
 start_at = 1005 # Becomes part of the validator set at 1010
@@ -76,7 +72,6 @@ privval_protocol = "tcp"
 [node.full01]
 mode = "full"
 start_at = 1010
-block_sync = "v0"
 persistent_peers = ["validator01", "validator02", "validator03", "validator04"]
 perturb = ["restart"]
 retain_blocks = 10

test/e2e/pkg/testnet.go

@@ -178,7 +178,7 @@ func LoadTestnet(file string) (*Testnet, error) {
 			ABCIProtocol:     Protocol(testnet.ABCIProtocol),
 			PrivvalProtocol:  ProtocolFile,
 			StartAt:          nodeManifest.StartAt,
-			BlockSync:        nodeManifest.BlockSync,
+			BlockSync:        "v0",
 			Mempool:          nodeManifest.Mempool,
 			StateSync:        nodeManifest.StateSync,
 			PersistInterval:  1,