op-deployer: Support Holocene genesis (#13843)

op-deployer/pkg/deployer/opcm/l2genesis.go

@@ -23,6 +23,7 @@ type L1Deployments struct {
 type L2GenesisInput struct {
 	L1Deployments      L1Deployments
 	L2Config           genesis.L2InitializationConfig
+	OverrideAllocsMode string
 }
 
 type L2GenesisScript struct {
@@ -33,8 +34,15 @@ func L2Genesis(l2Host *script.Host, input *L2GenesisInput) error {
 	l2Host.SetEnvVar("L2GENESIS_L1CrossDomainMessengerProxy", input.L1Deployments.L1CrossDomainMessengerProxy.String())
 	l2Host.SetEnvVar("L2GENESIS_L1StandardBridgeProxy", input.L1Deployments.L1StandardBridgeProxy.String())
 	l2Host.SetEnvVar("L2GENESIS_L1ERC721BridgeProxy", input.L1Deployments.L1ERC721BridgeProxy.String())
-	allocsMode := input.L2Config.UpgradeScheduleDeployConfig.AllocMode(uint64(time.Now().Unix()))
-	l2Host.SetEnvVar("FORK", string(allocsMode))
+
+	var allocsMode string
+	if input.OverrideAllocsMode == "" {
+		allocsMode = string(input.L2Config.UpgradeScheduleDeployConfig.AllocMode(uint64(time.Now().Unix())))
+	} else {
+		allocsMode = input.OverrideAllocsMode
+	}
+
+	l2Host.SetEnvVar("FORK", allocsMode)
 
 	deployConfig := &genesis.DeployConfig{
 		L2InitializationConfig: input.L2Config,

op-deployer/pkg/deployer/pipeline/l2genesis.go

@@ -3,6 +3,8 @@ package pipeline
 import (
 	"fmt"
 
+	"github.com/ethereum-optimism/optimism/op-deployer/pkg/deployer/standard"
+
 	"github.com/ethereum-optimism/optimism/op-deployer/pkg/env"
 
 	"github.com/ethereum-optimism/optimism/op-chain-ops/foundry"
@@ -48,6 +50,15 @@ func GenerateL2Genesis(pEnv *Env, intent *state.Intent, bundle ArtifactsBundle,
 		return fmt.Errorf("failed to create L2 script host: %w", err)
 	}
 
+	// This is an ugly hack to support holocene. The v1.7.0 predeploy contracts do not support setting the allocs
+	// mode as Holocene, even though there are no predeploy changes in Holocene. The v1.7.0 changes are the "official"
+	// release of the predeploy contracts, so we need to set the allocs mode to "granite" to avoid having to backport
+	// Holocene support into the predeploy contracts.
+	var overrideAllocsMode string
+	if intent.L2ContractsLocator.IsTag() && intent.L2ContractsLocator.Tag == standard.ContractsV170Beta1L2Tag {
+		overrideAllocsMode = "granite"
+	}
+
 	if err := opcm.L2Genesis(host, &opcm.L2GenesisInput{
 		L1Deployments: opcm.L1Deployments{
 			L1CrossDomainMessengerProxy: thisChainState.L1CrossDomainMessengerProxyAddress,
@@ -55,6 +66,7 @@ func GenerateL2Genesis(pEnv *Env, intent *state.Intent, bundle ArtifactsBundle,
 			L1ERC721BridgeProxy:         thisChainState.L1ERC721BridgeProxyAddress,
 		},
 		L2Config:           initCfg.L2InitializationConfig,
+		OverrideAllocsMode: overrideAllocsMode,
 	}); err != nil {
 		return fmt.Errorf("failed to call L2Genesis script: %w", err)
 	}