make sure flag is always set

go/host/host.go

@@ -221,4 +221,8 @@ func (h *host) validateConfig() {
 	if h.config.P2PPublicAddress == "" {
 		h.logger.Crit("the host must specify a public P2P address")
 	}
+
+	if h.config.L1BlockTime == 0 {
+		h.logger.Crit("the host must specify an L1 block time")
+	}
 }

integration/simulation/devnetwork/config.go

@@ -29,6 +29,7 @@ type ObscuroConfig struct {
 	InitNumValidators int
 	BatchInterval     time.Duration
 	RollupInterval    time.Duration
+	L1BlockTime       time.Duration
 }
 
 // DefaultDevNetwork provides an off-the-shelf default config for a sim network
@@ -50,6 +51,7 @@ func DefaultDevNetwork() *InMemDevNetwork {
 			InitNumValidators: 3,
 			BatchInterval:     1 * time.Second,
 			RollupInterval:    10 * time.Second,
+			L1BlockTime:       15 * time.Second,
 		},
 		faucetLock: sync.Mutex{},
 	}
@@ -86,7 +88,9 @@ func LiveL1DevNetwork(seqWallet wallet.Wallet, validatorWallets []wallet.Wallet,
 			PortStart:         integration.StartPortSimulationFullNetwork,
 			InitNumValidators: len(validatorWallets),
 			BatchInterval:     5 * time.Second,
-			RollupInterval:    1 * time.Minute,
+			RollupInterval:    3 * time.Minute,
+			L1BlockTime:       15 * time.Second,
+			SequencerID:       seqWallet.Address(),
 		},
 	}
 }

integration/simulation/devnetwork/node.go

@@ -5,8 +5,6 @@ import (
 	"math/big"
 	"os"
 
-	"github.com/obscuronet/go-obscuro/go/host/l1"
-
 	"github.com/obscuronet/go-obscuro/go/host"
 
 	"github.com/obscuronet/go-obscuro/go/enclave/storage/init/sqlite"
@@ -130,6 +128,7 @@ func (n *InMemNodeOperator) createHostContainer() *hostcontainer.HostContainer {
 		DebugNamespaceEnabled:     true,
 		BatchInterval:             n.config.BatchInterval,
 		RollupInterval:            n.config.RollupInterval,
+		L1BlockTime:               n.config.L1BlockTime,
 	}
 
 	hostLogger := testlog.Logger().New(log.NodeIDKey, n.operatorIdx, log.CmpKey, log.HostCmp)