diff --git a/itests/migration_nv20_test.go b/itests/migration_nv20_test.go
new file mode 100644
index 000000000..c1c91d37c
--- /dev/null
+++ b/itests/migration_nv20_test.go
@@ -0,0 +1,97 @@
+package itests
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
+	"github.com/filecoin-project/go-state-types/builtin"
+	"github.com/filecoin-project/go-state-types/manifest"
+	"github.com/filecoin-project/go-state-types/network"
+	gstStore "github.com/filecoin-project/go-state-types/store"
+
+	"github.com/filecoin-project/lotus/blockstore"
+	"github.com/filecoin-project/lotus/chain/actors"
+	builtin2 "github.com/filecoin-project/lotus/chain/actors/builtin"
+	"github.com/filecoin-project/lotus/chain/consensus/filcns"
+	"github.com/filecoin-project/lotus/chain/state"
+	"github.com/filecoin-project/lotus/chain/stmgr"
+	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/lotus/chain/types/ethtypes"
+	"github.com/filecoin-project/lotus/chain/vm"
+	"github.com/filecoin-project/lotus/itests/kit"
+	"github.com/filecoin-project/lotus/node/impl"
+)
+
+func TestMigrationNV20(t *testing.T) {
+	kit.QuietMiningLogs()
+
+	upgradeEpoch := abi.ChainEpoch(100)
+	testClient, testMiner, ens := kit.EnsembleMinimal(t, kit.MockProofs(),
+		kit.UpgradeSchedule(stmgr.Upgrade{
+			Network: network.Version19,
+			Height:  -1,
+		}, stmgr.Upgrade{
+			Network:   network.Version20,
+			Height:    upgradeEpoch,
+			Migration: filcns.UpgradeActorsV12,
+		},
+		))
+
+	ens.InterconnectAll().BeginMining(10 * time.Millisecond)
+
+	clientApi := testClient.FullNode.(*impl.FullNodeAPI)
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	testClient.WaitTillChain(ctx, kit.HeightAtLeast(upgradeEpoch+5))
+
+	bs := blockstore.NewAPIBlockstore(testClient)
+	ctxStore := gstStore.WrapBlockStore(ctx, bs)
+
+	currTs, err := clientApi.ChainHead(ctx)
+	require.NoError(t, err)
+
+	// Verify network version.
+	nv, err := testClient.StateNetworkVersion(ctx, types.EmptyTSK)
+	require.NoError(t, err)
+	require.Equal(t, network.Version20, nv)
+
+	newStateTree, err := state.LoadStateTree(ctxStore, currTs.Blocks()[0].ParentStateRoot)
+	require.NoError(t, err)
+
+	require.Equal(t, types.StateTreeVersion5, newStateTree.Version())
+
+	codeCids1, ok := actors.GetActorCodeIDsFromManifest(actorstypes.Version12)
+	require.True(t, ok)
+
+	codeCids2, err := clientApi.StateActorCodeCIDs(ctx, nv)
+	require.NoError(t, err)
+	require.Equal(t, codeCids1, codeCids2)
+
+	// Check that the miner actor was migrated.
+	minerActor, err := clientApi.StateGetActor(ctx, testMiner.ActorAddr, types.EmptyTSK)
+	require.NoError(t, err)
+	require.Equal(t, codeCids1[manifest.MinerKey], minerActor.Code)
+
+	// check EAM
+	eamActor, err := newStateTree.GetActor(builtin.EthereumAddressManagerActorAddr)
+	require.NoError(t, err)
+	eamCodeCid, ok := codeCids1[manifest.EamKey]
+	require.True(t, ok)
+	require.Equal(t, eamCodeCid, eamActor.Code)
+
+	// check the EthZeroAddress
+	ethZeroAddr, err := (ethtypes.EthAddress{}).ToFilecoinAddress()
+	require.NoError(t, err)
+	ethZeroAddrID, err := newStateTree.LookupID(ethZeroAddr)
+	require.NoError(t, err)
+	ethZeroActor, err := newStateTree.GetActor(ethZeroAddrID)
+	require.NoError(t, err)
+	require.True(t, builtin2.IsEthAccountActor(ethZeroActor.Code))
+	require.Equal(t, vm.EmptyObjectCid, ethZeroActor.Head)
+}