Merge pull request #8546 from simlecode/feat/state_network_params_api

feat: api: add StateGetNetworkParams api

api/api_full.go

@@ -592,6 +592,9 @@ type FullNode interface {
 	// StateGetRandomnessFromBeacon is used to sample the beacon for randomness.
 	StateGetRandomnessFromBeacon(ctx context.Context, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte, tsk types.TipSetKey) (abi.Randomness, error) //perm:read
 
+	// StateGetNetworkParams return current network params
+	StateGetNetworkParams(ctx context.Context) (*NetworkParams, error) //perm:read
+
 	// MethodGroup: Msig
 	// The Msig methods are used to interact with multisig wallets on the
 	// filecoin network

api/mocks/mock_full.go

@@ -2406,6 +2406,21 @@ func (mr *MockFullNodeMockRecorder) StateGetActor(arg0, arg1, arg2 interface{})
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StateGetActor", reflect.TypeOf((*MockFullNode)(nil).StateGetActor), arg0, arg1, arg2)
 }
 
+// StateGetNetworkParams mocks base method.
+func (m *MockFullNode) StateGetNetworkParams(arg0 context.Context) (*api.NetworkParams, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "StateGetNetworkParams", arg0)
+	ret0, _ := ret[0].(*api.NetworkParams)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// StateGetNetworkParams indicates an expected call of StateGetNetworkParams.
+func (mr *MockFullNodeMockRecorder) StateGetNetworkParams(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StateGetNetworkParams", reflect.TypeOf((*MockFullNode)(nil).StateGetNetworkParams), arg0)
+}
+
 // StateGetRandomnessFromBeacon mocks base method.
 func (m *MockFullNode) StateGetRandomnessFromBeacon(arg0 context.Context, arg1 crypto.DomainSeparationTag, arg2 abi.ChainEpoch, arg3 []byte, arg4 types.TipSetKey) (abi.Randomness, error) {
 	m.ctrl.T.Helper()

api/proxy_gen.go

@@ -352,6 +352,8 @@ type FullNodeStruct struct {
 
 		StateGetActor func(p0 context.Context, p1 address.Address, p2 types.TipSetKey) (*types.Actor, error) `perm:"read"`
 
+		StateGetNetworkParams func(p0 context.Context) (*NetworkParams, error) `perm:"read"`
+
 		StateGetRandomnessFromBeacon func(p0 context.Context, p1 crypto.DomainSeparationTag, p2 abi.ChainEpoch, p3 []byte, p4 types.TipSetKey) (abi.Randomness, error) `perm:"read"`
 
 		StateGetRandomnessFromTickets func(p0 context.Context, p1 crypto.DomainSeparationTag, p2 abi.ChainEpoch, p3 []byte, p4 types.TipSetKey) (abi.Randomness, error) `perm:"read"`
@@ -2470,6 +2472,17 @@ func (s *FullNodeStub) StateGetActor(p0 context.Context, p1 address.Address, p2
 	return nil, ErrNotSupported
 }
 
+func (s *FullNodeStruct) StateGetNetworkParams(p0 context.Context) (*NetworkParams, error) {
+	if s.Internal.StateGetNetworkParams == nil {
+		return nil, ErrNotSupported
+	}
+	return s.Internal.StateGetNetworkParams(p0)
+}
+
+func (s *FullNodeStub) StateGetNetworkParams(p0 context.Context) (*NetworkParams, error) {
+	return nil, ErrNotSupported
+}
+
 func (s *FullNodeStruct) StateGetRandomnessFromBeacon(p0 context.Context, p1 crypto.DomainSeparationTag, p2 abi.ChainEpoch, p3 []byte, p4 types.TipSetKey) (abi.Randomness, error) {
 	if s.Internal.StateGetRandomnessFromBeacon == nil {
 		return *new(abi.Randomness), ErrNotSupported

api/types.go

@@ -11,6 +11,7 @@ import (
 	"github.com/filecoin-project/go-fil-markets/retrievalmarket"
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/lotus/node/modules/dtypes"
 	"github.com/ipfs/go-cid"
 	"github.com/ipfs/go-graphsync"
 
@@ -284,3 +285,35 @@ type ExportRef struct {
 	FromLocalCAR string // if specified, get data from a local CARv2 file.
 	DealID       retrievalmarket.DealID
 }
+
+type NetworkParams struct {
+	NetworkName             dtypes.NetworkName
+	BlockDelaySecs          uint64
+	ConsensusMinerMinPower  abi.StoragePower
+	SupportedProofTypes     []abi.RegisteredSealProof
+	PreCommitChallengeDelay abi.ChainEpoch
+	ForkUpgradeParams       ForkUpgradeParams
+}
+
+type ForkUpgradeParams struct {
+	UpgradeSmokeHeight         abi.ChainEpoch
+	UpgradeBreezeHeight        abi.ChainEpoch
+	UpgradeIgnitionHeight      abi.ChainEpoch
+	UpgradeLiftoffHeight       abi.ChainEpoch
+	UpgradeAssemblyHeight      abi.ChainEpoch
+	UpgradeRefuelHeight        abi.ChainEpoch
+	UpgradeTapeHeight          abi.ChainEpoch
+	UpgradeKumquatHeight       abi.ChainEpoch
+	UpgradePriceListOopsHeight abi.ChainEpoch
+	BreezeGasTampingDuration   abi.ChainEpoch
+	UpgradeCalicoHeight        abi.ChainEpoch
+	UpgradePersianHeight       abi.ChainEpoch
+	UpgradeOrangeHeight        abi.ChainEpoch
+	UpgradeClausHeight         abi.ChainEpoch
+	UpgradeTrustHeight         abi.ChainEpoch
+	UpgradeNorwegianHeight     abi.ChainEpoch
+	UpgradeTurboHeight         abi.ChainEpoch
+	UpgradeHyperdriveHeight    abi.ChainEpoch
+	UpgradeChocolateHeight     abi.ChainEpoch
+	UpgradeOhSnapHeight        abi.ChainEpoch
+}

api/v0api/full.go

@@ -604,6 +604,9 @@ type FullNode interface {
 	// StateGetRandomnessFromBeacon is used to sample the beacon for randomness.
 	StateGetRandomnessFromBeacon(ctx context.Context, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte, tsk types.TipSetKey) (abi.Randomness, error) //perm:read
 
+	// StateGetNetworkParams return current network params
+	StateGetNetworkParams(ctx context.Context) (*api.NetworkParams, error) //perm:read
+
 	// MethodGroup: Msig
 	// The Msig methods are used to interact with multisig wallets on the
 	// filecoin network

api/v0api/proxy_gen.go

@@ -267,6 +267,8 @@ type FullNodeStruct struct {
 
 		StateGetActor func(p0 context.Context, p1 address.Address, p2 types.TipSetKey) (*types.Actor, error) `perm:"read"`
 
+		StateGetNetworkParams func(p0 context.Context) (*api.NetworkParams, error) `perm:"read"`
+
 		StateGetRandomnessFromBeacon func(p0 context.Context, p1 crypto.DomainSeparationTag, p2 abi.ChainEpoch, p3 []byte, p4 types.TipSetKey) (abi.Randomness, error) `perm:"read"`
 
 		StateGetRandomnessFromTickets func(p0 context.Context, p1 crypto.DomainSeparationTag, p2 abi.ChainEpoch, p3 []byte, p4 types.TipSetKey) (abi.Randomness, error) `perm:"read"`
@@ -1746,6 +1748,17 @@ func (s *FullNodeStub) StateGetActor(p0 context.Context, p1 address.Address, p2
 	return nil, ErrNotSupported
 }
 
+func (s *FullNodeStruct) StateGetNetworkParams(p0 context.Context) (*api.NetworkParams, error) {
+	if s.Internal.StateGetNetworkParams == nil {
+		return nil, ErrNotSupported
+	}
+	return s.Internal.StateGetNetworkParams(p0)
+}
+
+func (s *FullNodeStub) StateGetNetworkParams(p0 context.Context) (*api.NetworkParams, error) {
+	return nil, ErrNotSupported
+}
+
 func (s *FullNodeStruct) StateGetRandomnessFromBeacon(p0 context.Context, p1 crypto.DomainSeparationTag, p2 abi.ChainEpoch, p3 []byte, p4 types.TipSetKey) (abi.Randomness, error) {
 	if s.Internal.StateGetRandomnessFromBeacon == nil {
 		return *new(abi.Randomness), ErrNotSupported

api/v0api/v0mocks/mock_full.go

@@ -2275,6 +2275,21 @@ func (mr *MockFullNodeMockRecorder) StateGetActor(arg0, arg1, arg2 interface{})
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StateGetActor", reflect.TypeOf((*MockFullNode)(nil).StateGetActor), arg0, arg1, arg2)
 }
 
+// StateGetNetworkParams mocks base method.
+func (m *MockFullNode) StateGetNetworkParams(arg0 context.Context) (*api.NetworkParams, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "StateGetNetworkParams", arg0)
+	ret0, _ := ret[0].(*api.NetworkParams)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// StateGetNetworkParams indicates an expected call of StateGetNetworkParams.
+func (mr *MockFullNodeMockRecorder) StateGetNetworkParams(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StateGetNetworkParams", reflect.TypeOf((*MockFullNode)(nil).StateGetNetworkParams), arg0)
+}
+
 // StateGetRandomnessFromBeacon mocks base method.
 func (m *MockFullNode) StateGetRandomnessFromBeacon(arg0 context.Context, arg1 crypto.DomainSeparationTag, arg2 abi.ChainEpoch, arg3 []byte, arg4 types.TipSetKey) (abi.Randomness, error) {
 	m.ctrl.T.Helper()

build/params_2k.go

@@ -53,11 +53,19 @@ var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
 	0: DrandMainnet,
 }
 
+var SupportedProofTypes = []abi.RegisteredSealProof{
+	abi.RegisteredSealProof_StackedDrg2KiBV1,
+	abi.RegisteredSealProof_StackedDrg8MiBV1,
+}
+var ConsensusMinerMinPower = abi.NewStoragePower(2048)
+var MinVerifiedDealSize = abi.NewStoragePower(256)
+var PreCommitChallengeDelay = abi.ChainEpoch(10)
+
 func init() {
-	policy.SetSupportedProofTypes(abi.RegisteredSealProof_StackedDrg2KiBV1, abi.RegisteredSealProof_StackedDrg8MiBV1)
+	policy.SetSupportedProofTypes(SupportedProofTypes...)
-	policy.SetConsensusMinerMinPower(abi.NewStoragePower(2048))
+	policy.SetConsensusMinerMinPower(ConsensusMinerMinPower)
-	policy.SetMinVerifiedDealSize(abi.NewStoragePower(256))
+	policy.SetMinVerifiedDealSize(MinVerifiedDealSize)
-	policy.SetPreCommitChallengeDelay(abi.ChainEpoch(10))
+	policy.SetPreCommitChallengeDelay(PreCommitChallengeDelay)
 
 	getUpgradeHeight := func(ev string, def abi.ChainEpoch) abi.ChainEpoch {
 		hs, found := os.LookupEnv(ev)

build/params_butterfly.go

@@ -44,13 +44,20 @@ const UpgradeChocolateHeight = -17
 
 const UpgradeOhSnapHeight = 240
 
+var SupportedProofTypes = []abi.RegisteredSealProof{
+	abi.RegisteredSealProof_StackedDrg512MiBV1,
+	abi.RegisteredSealProof_StackedDrg32GiBV1,
+	abi.RegisteredSealProof_StackedDrg64GiBV1,
+}
+var ConsensusMinerMinPower = abi.NewStoragePower(2 << 30)
+var MinVerifiedDealSize = abi.NewStoragePower(1 << 20)
+var PreCommitChallengeDelay = abi.ChainEpoch(150)
+
 func init() {
-	policy.SetConsensusMinerMinPower(abi.NewStoragePower(2 << 30))
+	policy.SetSupportedProofTypes(SupportedProofTypes...)
-	policy.SetSupportedProofTypes(
+	policy.SetConsensusMinerMinPower(ConsensusMinerMinPower)
-		abi.RegisteredSealProof_StackedDrg512MiBV1,
+	policy.SetMinVerifiedDealSize(MinVerifiedDealSize)
-		abi.RegisteredSealProof_StackedDrg32GiBV1,
+	policy.SetPreCommitChallengeDelay(PreCommitChallengeDelay)
-		abi.RegisteredSealProof_StackedDrg64GiBV1,
-	)
 
 	SetAddressNetwork(address.Testnet)
 

build/params_calibnet.go

@@ -57,12 +57,19 @@ const UpgradeChocolateHeight = 312746
 // 2022-02-10T19:23:00Z
 const UpgradeOhSnapHeight = 682006
 
+var SupportedProofTypes = []abi.RegisteredSealProof{
+	abi.RegisteredSealProof_StackedDrg32GiBV1,
+	abi.RegisteredSealProof_StackedDrg64GiBV1,
+}
+var ConsensusMinerMinPower = abi.NewStoragePower(32 << 30)
+var MinVerifiedDealSize = abi.NewStoragePower(1 << 20)
+var PreCommitChallengeDelay = abi.ChainEpoch(150)
+
 func init() {
-	policy.SetConsensusMinerMinPower(abi.NewStoragePower(32 << 30))
+	policy.SetSupportedProofTypes(SupportedProofTypes...)
-	policy.SetSupportedProofTypes(
+	policy.SetConsensusMinerMinPower(ConsensusMinerMinPower)
-		abi.RegisteredSealProof_StackedDrg32GiBV1,
+	policy.SetMinVerifiedDealSize(MinVerifiedDealSize)
-		abi.RegisteredSealProof_StackedDrg64GiBV1,
+	policy.SetPreCommitChallengeDelay(PreCommitChallengeDelay)
-	)
 
 	SetAddressNetwork(address.Testnet)
 

build/params_interop.go

@@ -53,15 +53,20 @@ var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
 	0: DrandMainnet,
 }
 
+var SupportedProofTypes = []abi.RegisteredSealProof{
+	abi.RegisteredSealProof_StackedDrg2KiBV1,
+	abi.RegisteredSealProof_StackedDrg8MiBV1,
+	abi.RegisteredSealProof_StackedDrg512MiBV1,
+}
+var ConsensusMinerMinPower = abi.NewStoragePower(2048)
+var MinVerifiedDealSize = abi.NewStoragePower(256)
+var PreCommitChallengeDelay = abi.ChainEpoch(10)
+
 func init() {
-	policy.SetSupportedProofTypes(
+	policy.SetSupportedProofTypes(SupportedProofTypes...)
-		abi.RegisteredSealProof_StackedDrg2KiBV1,
+	policy.SetConsensusMinerMinPower(ConsensusMinerMinPower)
-		abi.RegisteredSealProof_StackedDrg8MiBV1,
+	policy.SetMinVerifiedDealSize(MinVerifiedDealSize)
-		abi.RegisteredSealProof_StackedDrg512MiBV1,
+	policy.SetPreCommitChallengeDelay(PreCommitChallengeDelay)
-	)
-	policy.SetConsensusMinerMinPower(abi.NewStoragePower(2048))
-	policy.SetMinVerifiedDealSize(abi.NewStoragePower(256))
-	policy.SetPreCommitChallengeDelay(abi.ChainEpoch(10))
 
 	getUpgradeHeight := func(ev string, def abi.ChainEpoch) abi.ChainEpoch {
 		hs, found := os.LookupEnv(ev)

build/params_mainnet.go

@@ -70,6 +70,14 @@ const UpgradeChocolateHeight = 1231620
 // 2022-03-01T15:00:00Z
 var UpgradeOhSnapHeight = abi.ChainEpoch(1594680)
 
+var SupportedProofTypes = []abi.RegisteredSealProof{
+	abi.RegisteredSealProof_StackedDrg32GiBV1,
+	abi.RegisteredSealProof_StackedDrg64GiBV1,
+}
+var ConsensusMinerMinPower = abi.NewStoragePower(10 << 40)
+var MinVerifiedDealSize = abi.NewStoragePower(1 << 20)
+var PreCommitChallengeDelay = abi.ChainEpoch(150)
+
 func init() {
 	if os.Getenv("LOTUS_USE_TEST_ADDRESSES") != "1" {
 		SetAddressNetwork(address.Mainnet)

build/params_nerpanet.go

@@ -50,23 +50,29 @@ const UpgradeHyperdriveHeight = 379178
 
 const UpgradeChocolateHeight = 999999999
 
+var SupportedProofTypes = []abi.RegisteredSealProof{
+	abi.RegisteredSealProof_StackedDrg512MiBV1,
+	abi.RegisteredSealProof_StackedDrg32GiBV1,
+	abi.RegisteredSealProof_StackedDrg64GiBV1,
+}
+
+// Minimum block production power is set to 4 TiB
+// Rationale is to discourage small-scale miners from trying to take over the network
+// One needs to invest in ~2.3x the compute to break consensus, making it not worth it
+//
+// DOWNSIDE: the fake-seals need to be kept alive/protected, otherwise network will seize
+//
+var ConsensusMinerMinPower = abi.NewStoragePower(4 << 40)
+var MinVerifiedDealSize = abi.NewStoragePower(1 << 20)
+
+// Lower the most time-consuming parts of PoRep
+var PreCommitChallengeDelay = abi.ChainEpoch(10)
+
 func init() {
-	// Minimum block production power is set to 4 TiB
+	policy.SetSupportedProofTypes(SupportedProofTypes...)
-	// Rationale is to discourage small-scale miners from trying to take over the network
+	policy.SetConsensusMinerMinPower(ConsensusMinerMinPower)
-	// One needs to invest in ~2.3x the compute to break consensus, making it not worth it
+	policy.SetMinVerifiedDealSize(MinVerifiedDealSize)
-	//
+	policy.SetPreCommitChallengeDelay(PreCommitChallengeDelay)
-	// DOWNSIDE: the fake-seals need to be kept alive/protected, otherwise network will seize
-	//
-	policy.SetConsensusMinerMinPower(abi.NewStoragePower(4 << 40))
-
-	policy.SetSupportedProofTypes(
-		abi.RegisteredSealProof_StackedDrg512MiBV1,
-		abi.RegisteredSealProof_StackedDrg32GiBV1,
-		abi.RegisteredSealProof_StackedDrg64GiBV1,
-	)
-
-	// Lower the most time-consuming parts of PoRep
-	policy.SetPreCommitChallengeDelay(10)
 
 	// TODO - make this a variable
 	//miner.WPoStChallengeLookback = abi.ChainEpoch(2)

build/params_testground.go

@@ -33,6 +33,12 @@ var (
 	MinimumBaseFee        = int64(100)
 	BlockDelaySecs        = uint64(builtin2.EpochDurationSeconds)
 	PropagationDelaySecs  = uint64(6)
+	SupportedProofTypes   = []abi.RegisteredSealProof{
+		abi.RegisteredSealProof_StackedDrg32GiBV1,
+		abi.RegisteredSealProof_StackedDrg64GiBV1,
+	}
+	ConsensusMinerMinPower  = abi.NewStoragePower(10 << 40)
+	PreCommitChallengeDelay = abi.ChainEpoch(150)
 
 	AllowableClockDriftSecs = uint64(1)
 

documentation/en/api-v0-methods.md

@@ -165,6 +165,7 @@
   * [StateDealProviderCollateralBounds](#StateDealProviderCollateralBounds)
   * [StateDecodeParams](#StateDecodeParams)
   * [StateGetActor](#StateGetActor)
+  * [StateGetNetworkParams](#StateGetNetworkParams)
   * [StateGetRandomnessFromBeacon](#StateGetRandomnessFromBeacon)
   * [StateGetRandomnessFromTickets](#StateGetRandomnessFromTickets)
   * [StateGetReceipt](#StateGetReceipt)
@@ -5185,6 +5186,49 @@ Response:
 }
 ```
 
+### StateGetNetworkParams
+StateGetNetworkParams return current network params
+
+
+Perms: read
+
+Inputs: `null`
+
+Response:
+```json
+{
+  "NetworkName": "lotus",
+  "BlockDelaySecs": 42,
+  "ConsensusMinerMinPower": "0",
+  "SupportedProofTypes": [
+    8
+  ],
+  "PreCommitChallengeDelay": 10101,
+  "ForkUpgradeParams": {
+    "UpgradeSmokeHeight": 10101,
+    "UpgradeBreezeHeight": 10101,
+    "UpgradeIgnitionHeight": 10101,
+    "UpgradeLiftoffHeight": 10101,
+    "UpgradeAssemblyHeight": 10101,
+    "UpgradeRefuelHeight": 10101,
+    "UpgradeTapeHeight": 10101,
+    "UpgradeKumquatHeight": 10101,
+    "UpgradePriceListOopsHeight": 10101,
+    "BreezeGasTampingDuration": 10101,
+    "UpgradeCalicoHeight": 10101,
+    "UpgradePersianHeight": 10101,
+    "UpgradeOrangeHeight": 10101,
+    "UpgradeClausHeight": 10101,
+    "UpgradeTrustHeight": 10101,
+    "UpgradeNorwegianHeight": 10101,
+    "UpgradeTurboHeight": 10101,
+    "UpgradeHyperdriveHeight": 10101,
+    "UpgradeChocolateHeight": 10101,
+    "UpgradeOhSnapHeight": 10101
+  }
+}
+```
+
 ### StateGetRandomnessFromBeacon
 StateGetRandomnessFromBeacon is used to sample the beacon for randomness.
 

documentation/en/api-v1-unstable-methods.md

@@ -175,6 +175,7 @@
   * [StateDecodeParams](#StateDecodeParams)
   * [StateEncodeParams](#StateEncodeParams)
   * [StateGetActor](#StateGetActor)
+  * [StateGetNetworkParams](#StateGetNetworkParams)
   * [StateGetRandomnessFromBeacon](#StateGetRandomnessFromBeacon)
   * [StateGetRandomnessFromTickets](#StateGetRandomnessFromTickets)
   * [StateListActors](#StateListActors)
@@ -5642,6 +5643,49 @@ Response:
 }
 ```
 
+### StateGetNetworkParams
+StateGetNetworkParams return current network params
+
+
+Perms: read
+
+Inputs: `null`
+
+Response:
+```json
+{
+  "NetworkName": "lotus",
+  "BlockDelaySecs": 42,
+  "ConsensusMinerMinPower": "0",
+  "SupportedProofTypes": [
+    8
+  ],
+  "PreCommitChallengeDelay": 10101,
+  "ForkUpgradeParams": {
+    "UpgradeSmokeHeight": 10101,
+    "UpgradeBreezeHeight": 10101,
+    "UpgradeIgnitionHeight": 10101,
+    "UpgradeLiftoffHeight": 10101,
+    "UpgradeAssemblyHeight": 10101,
+    "UpgradeRefuelHeight": 10101,
+    "UpgradeTapeHeight": 10101,
+    "UpgradeKumquatHeight": 10101,
+    "UpgradePriceListOopsHeight": 10101,
+    "BreezeGasTampingDuration": 10101,
+    "UpgradeCalicoHeight": 10101,
+    "UpgradePersianHeight": 10101,
+    "UpgradeOrangeHeight": 10101,
+    "UpgradeClausHeight": 10101,
+    "UpgradeTrustHeight": 10101,
+    "UpgradeNorwegianHeight": 10101,
+    "UpgradeTurboHeight": 10101,
+    "UpgradeHyperdriveHeight": 10101,
+    "UpgradeChocolateHeight": 10101,
+    "UpgradeOhSnapHeight": 10101
+  }
+}
+```
+
 ### StateGetRandomnessFromBeacon
 StateGetRandomnessFromBeacon is used to sample the beacon for randomness.
 

node/impl/full/state.go

@@ -19,6 +19,7 @@ import (
 	"github.com/filecoin-project/go-state-types/big"
 	"github.com/filecoin-project/go-state-types/dline"
 	"github.com/filecoin-project/go-state-types/network"
+	"github.com/filecoin-project/lotus/build"
 	"github.com/filecoin-project/lotus/extern/sector-storage/ffiwrapper"
 
 	"github.com/filecoin-project/lotus/api"
@@ -1438,3 +1439,39 @@ func (a *StateAPI) StateGetRandomnessFromBeacon(ctx context.Context, personaliza
 	return a.StateManager.GetRandomnessFromBeacon(ctx, personalization, randEpoch, entropy, tsk)
 
 }
+
+func (a *StateAPI) StateGetNetworkParams(ctx context.Context) (*api.NetworkParams, error) {
+	networkName, err := a.StateNetworkName(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	return &api.NetworkParams{
+		NetworkName:             networkName,
+		BlockDelaySecs:          build.BlockDelaySecs,
+		ConsensusMinerMinPower:  build.ConsensusMinerMinPower,
+		SupportedProofTypes:     build.SupportedProofTypes,
+		PreCommitChallengeDelay: build.PreCommitChallengeDelay,
+		ForkUpgradeParams: api.ForkUpgradeParams{
+			UpgradeSmokeHeight:       build.UpgradeSmokeHeight,
+			UpgradeBreezeHeight:      build.UpgradeBreezeHeight,
+			UpgradeIgnitionHeight:    build.UpgradeIgnitionHeight,
+			UpgradeLiftoffHeight:     build.UpgradeLiftoffHeight,
+			UpgradeAssemblyHeight:    build.UpgradeAssemblyHeight,
+			UpgradeRefuelHeight:      build.UpgradeRefuelHeight,
+			UpgradeTapeHeight:        build.UpgradeTapeHeight,
+			UpgradeKumquatHeight:     build.UpgradeKumquatHeight,
+			BreezeGasTampingDuration: build.BreezeGasTampingDuration,
+			UpgradeCalicoHeight:      build.UpgradeCalicoHeight,
+			UpgradePersianHeight:     build.UpgradePersianHeight,
+			UpgradeOrangeHeight:      build.UpgradeOrangeHeight,
+			UpgradeClausHeight:       build.UpgradeClausHeight,
+			UpgradeTrustHeight:       build.UpgradeTrustHeight,
+			UpgradeNorwegianHeight:   build.UpgradeNorwegianHeight,
+			UpgradeTurboHeight:       build.UpgradeTurboHeight,
+			UpgradeHyperdriveHeight:  build.UpgradeHyperdriveHeight,
+			UpgradeChocolateHeight:   build.UpgradeChocolateHeight,
+			UpgradeOhSnapHeight:      build.UpgradeOhSnapHeight,
+		},
+	}, nil
+}