op-deployer: Improve default hardfork choice

The deploy config was previously created with Holocene activated by default. This PR updates the hardfork selection logic to choose default hardforks based on the contracts version.

op-deployer/pkg/deployer/standard/standard.go

@@ -5,6 +5,10 @@ import (
 	"fmt"
 	"net/url"
 
+	"github.com/ethereum-optimism/optimism/op-chain-ops/genesis"
+	"github.com/ethereum-optimism/optimism/op-node/rollup"
+	op_service "github.com/ethereum-optimism/optimism/op-service"
+
 	"github.com/BurntSushi/toml"
 
 	"github.com/ethereum-optimism/superchain-registry/superchain"
@@ -335,6 +339,27 @@ func ArtifactsHashForTag(tag string) (common.Hash, error) {
 	}
 }
 
+// DefaultHardforkScheduleForTag is used to determine which hardforks should be activated by default given a
+// contract tag. For example, passing in v1.6.0 will return all hardforks up to and including Granite. This allows
+// OP Deployer to set sane defaults for hardforks. This is not an ideal solution, but it will have to work until we get
+// to MCP L2.
+func DefaultHardforkScheduleForTag(tag string) *genesis.UpgradeScheduleDeployConfig {
+	sched := &genesis.UpgradeScheduleDeployConfig{
+		L2GenesisRegolithTimeOffset: op_service.U64UtilPtr(0),
+		L2GenesisCanyonTimeOffset:   op_service.U64UtilPtr(0),
+		L2GenesisDeltaTimeOffset:    op_service.U64UtilPtr(0),
+		L2GenesisEcotoneTimeOffset:  op_service.U64UtilPtr(0),
+		L2GenesisFjordTimeOffset:    op_service.U64UtilPtr(0),
+		L2GenesisGraniteTimeOffset:  op_service.U64UtilPtr(0),
+	}
+
+	if tag == "op-contracts/v1.8.0-rc.4" {
+		sched.ActivateForkAtGenesis(rollup.Holocene)
+	}
+
+	return sched
+}
+
 func standardArtifactsURL(checksum string) string {
 	return fmt.Sprintf("https://storage.googleapis.com/oplabs-contract-artifacts/artifacts-v1-%s.tar.gz", checksum)
 }

op-deployer/pkg/deployer/standard/standard_test.go

@@ -0,0 +1,15 @@
+package standard
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestDefaultHardforkScheduleForTag(t *testing.T) {
+	sched := DefaultHardforkScheduleForTag(ContractsV160Tag)
+	require.Nil(t, sched.HoloceneTime(0))
+
+	sched = DefaultHardforkScheduleForTag(ContractsV180Tag)
+	require.NotNil(t, sched.HoloceneTime(0))
+}

op-deployer/pkg/deployer/state/deploy_config.go

@@ -4,6 +4,8 @@ import (
 	"fmt"
 	"math/big"
 
+	"github.com/ethereum-optimism/optimism/op-deployer/pkg/deployer/standard"
+
 	op_service "github.com/ethereum-optimism/optimism/op-service"
 
 	"github.com/ethereum-optimism/optimism/op-service/jsonutil"
@@ -25,6 +27,11 @@ var (
 )
 
 func CombineDeployConfig(intent *Intent, chainIntent *ChainIntent, state *State, chainState *ChainState) (genesis.DeployConfig, error) {
+	upgradeSchedule := standard.DefaultHardforkScheduleForTag(intent.L1ContractsLocator.Tag)
+	if intent.UseInterop {
+		upgradeSchedule.UseInterop = true
+	}
+
 	cfg := genesis.DeployConfig{
 		L1DependenciesConfig: genesis.L1DependenciesConfig{
 			L1StandardBridgeProxy:       chainState.L1StandardBridgeProxyAddress,
@@ -73,16 +80,7 @@ func CombineDeployConfig(intent *Intent, chainIntent *ChainIntent, state *State,
 			// Any upgrades you enable here will be enabled for all new deployments.
 			// In-development hardforks should never be activated here. Instead, they
 			// should be specified as overrides.
-			UpgradeScheduleDeployConfig: genesis.UpgradeScheduleDeployConfig{
-				L2GenesisRegolithTimeOffset: op_service.U64UtilPtr(0),
-				L2GenesisCanyonTimeOffset:   op_service.U64UtilPtr(0),
-				L2GenesisDeltaTimeOffset:    op_service.U64UtilPtr(0),
-				L2GenesisEcotoneTimeOffset:  op_service.U64UtilPtr(0),
-				L2GenesisFjordTimeOffset:    op_service.U64UtilPtr(0),
-				L2GenesisGraniteTimeOffset:  op_service.U64UtilPtr(0),
-				L2GenesisHoloceneTimeOffset: op_service.U64UtilPtr(0),
-				UseInterop:                  intent.UseInterop,
-			},
+			UpgradeScheduleDeployConfig: *upgradeSchedule,
 			L2CoreDeployConfig: genesis.L2CoreDeployConfig{
 				L1ChainID:                 intent.L1ChainID,
 				L2ChainID:                 chainState.ID.Big().Uint64(),