From feaf397dcc58bb8eb75e9030b65c6cb8875c6acb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ra=C3=BAl=20Kripalani?= <raul@protocol.ai>
Date: Sat, 11 Feb 2023 21:27:05 +0000
Subject: [PATCH] actors v12 migration + nv20 upgrade epochs.

---
 build/params_2k.go                 |  2 ++
 build/params_butterfly.go          |  2 ++
 build/params_calibnet.go           |  6 +++++-
 build/params_hyperspace.go         |  3 +++
 build/params_interop.go            |  2 ++
 build/params_mainnet.go            |  3 +++
 chain/consensus/filcns/upgrades.go | 23 ++++++++++++++++++++++-
 7 files changed, 39 insertions(+), 2 deletions(-)

diff --git a/build/params_2k.go b/build/params_2k.go
index b6b09bb2e..a182ae405 100644
--- a/build/params_2k.go
+++ b/build/params_2k.go
@@ -63,6 +63,8 @@ var UpgradeHyggeHeight = abi.ChainEpoch(30)
 
 var UpgradeHyperspaceNV19Height = abi.ChainEpoch(60)
 
+var UpgradeHyperspaceNV20Height = abi.ChainEpoch(70)
+
 var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
 	0: DrandMainnet,
 }
diff --git a/build/params_butterfly.go b/build/params_butterfly.go
index 442d604cc..db2c02103 100644
--- a/build/params_butterfly.go
+++ b/build/params_butterfly.go
@@ -55,6 +55,8 @@ const UpgradeHyggeHeight = abi.ChainEpoch(600)
 
 var UpgradeHyperspaceNV19Height = abi.ChainEpoch(99999999999999)
 
+var UpgradeHyperspaceNV20Height = abi.ChainEpoch(99999999999999)
+
 var SupportedProofTypes = []abi.RegisteredSealProof{
 	abi.RegisteredSealProof_StackedDrg512MiBV1,
 	abi.RegisteredSealProof_StackedDrg32GiBV1,
diff --git a/build/params_calibnet.go b/build/params_calibnet.go
index 729ad1207..bfce0c8d0 100644
--- a/build/params_calibnet.go
+++ b/build/params_calibnet.go
@@ -73,7 +73,11 @@ const UpgradeSharkHeight = 16800 // 6 days after genesis
 
 const UpgradeHyggeHeight = math.MaxInt64
 
-var UpgradeHyperspaceNV19Height = abi.ChainEpoch(99999999999999)
+// dummy
+var UpgradeHyperspaceNV19Height = abi.ChainEpoch(math.MaxInt64)
+
+// dummy
+var UpgradeHyperspaceNV20Height = abi.ChainEpoch(math.MaxInt64)
 
 var SupportedProofTypes = []abi.RegisteredSealProof{
 	abi.RegisteredSealProof_StackedDrg32GiBV1,
diff --git a/build/params_hyperspace.go b/build/params_hyperspace.go
index 5fa7b8f28..065f8c15c 100644
--- a/build/params_hyperspace.go
+++ b/build/params_hyperspace.go
@@ -58,6 +58,9 @@ var UpgradeHyggeHeight = abi.ChainEpoch(-21)
 // 2023-01-18T15:00:00Z
 var UpgradeHyperspaceNV19Height = abi.ChainEpoch(6840)
 
+// TODO set upgrade epoch
+var UpgradeHyperspaceNV20Height = abi.ChainEpoch(math.MaxInt64)
+
 var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
 	0: DrandMainnet,
 }
diff --git a/build/params_interop.go b/build/params_interop.go
index 36776f4b7..f716927aa 100644
--- a/build/params_interop.go
+++ b/build/params_interop.go
@@ -56,6 +56,8 @@ const UpgradeHyggeHeight = abi.ChainEpoch(99999999999999)
 
 var UpgradeHyperspaceNV19Height = abi.ChainEpoch(99999999999999)
 
+var UpgradeHyperspaceNV20Height = abi.ChainEpoch(math.MaxInt64)
+
 var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
 	0: DrandMainnet,
 }
diff --git a/build/params_mainnet.go b/build/params_mainnet.go
index bad165187..42b7ec32d 100644
--- a/build/params_mainnet.go
+++ b/build/params_mainnet.go
@@ -92,6 +92,9 @@ var UpgradeHyggeHeight = abi.ChainEpoch(math.MaxInt64 - 1)
 // ??????????????
 var UpgradeHyperspaceNV19Height = abi.ChainEpoch(math.MaxInt64)
 
+// dummy
+var UpgradeHyperspaceNV20Height = abi.ChainEpoch(math.MaxInt64)
+
 var SupportedProofTypes = []abi.RegisteredSealProof{
 	abi.RegisteredSealProof_StackedDrg32GiBV1,
 	abi.RegisteredSealProof_StackedDrg64GiBV1,
diff --git a/chain/consensus/filcns/upgrades.go b/chain/consensus/filcns/upgrades.go
index 0832ea0fb..80a574294 100644
--- a/chain/consensus/filcns/upgrades.go
+++ b/chain/consensus/filcns/upgrades.go
@@ -249,6 +249,10 @@ func DefaultUpgradeSchedule() stmgr.UpgradeSchedule {
 		Height:    build.UpgradeHyperspaceNV19Height,
 		Network:   network.Version19,
 		Migration: UpgradeActorsV11,
+	}, {
+		Height:    build.UpgradeHyperspaceNV20Height,
+		Network:   network.Version20,
+		Migration: UpgradeActorsV12,
 	},
 	}
 
@@ -1724,7 +1728,24 @@ func UpgradeActorsV11(ctx context.Context, sm *stmgr.StateManager, _ stmgr.Migra
 }
 
 func UpgradeActorsV12(ctx context.Context, sm *stmgr.StateManager, _ stmgr.MigrationCache, _ stmgr.ExecMonitor, root cid.Cid, _ abi.ChainEpoch, _ *types.TipSet) (cid.Cid, error) {
-	return cid.Undef, nil
+	oldAv := actorstypes.Version11
+	newAv := actorstypes.Version12
+	// This may change for upgrade
+	oldStateTreeVersion := types.StateTreeVersion5
+	newStateTreeVersion := types.StateTreeVersion5
+
+	// ensure that the manifest is loaded in the blockstore
+	if err := bundle.LoadBundles(ctx, sm.ChainStore().StateBlockstore(), newAv); err != nil {
+		return cid.Undef, xerrors.Errorf("failed to load manifest bundle: %w", err)
+	}
+
+	newActorsManifestCid, ok := actors.GetManifest(newAv)
+	if !ok {
+		return cid.Undef, xerrors.Errorf("no manifest CID for actors v12 upgrade")
+	}
+
+	bstore := sm.ChainStore().StateBlockstore()
+	return LiteMigration(ctx, bstore, newActorsManifestCid, root, oldAv, newAv, oldStateTreeVersion, newStateTreeVersion)
 }
 
 func LiteMigration(ctx context.Context, bstore blockstore.Blockstore, newActorsManifestCid cid.Cid, root cid.Cid, oldAv actorstypes.Version, newAv actorstypes.Version, oldStateTreeVersion types.StateTreeVersion, newStateTreeVersion types.StateTreeVersion) (cid.Cid, error) {