api

type APIVersion struct {
	Version string

	// APIVersion is a binary encoded semver version of the remote implementing
	// this api
	//
	// See APIVersion in build/version.go
	APIVersion Version

	// Seconds
	BlockDelay uint64
}

type ActiveSync struct {
	WorkerID uint64
	Base     *types.TipSet
	Target   *types.TipSet

	Stage  SyncStateStage
	Height abi.ChainEpoch

	Start   time.Time
	End     time.Time
	Message string
}

type ActorState struct {
	Balance types.BigInt
	Code    cid.Cid
	State   interface{}
}

type AddrUse int

type AddressConfig struct {
	PreCommitControl []address.Address
	CommitControl    []address.Address
	TerminateControl []address.Address

	DisableOwnerFallback  bool
	DisableWorkerFallback bool
}

type BlockMessages struct {
	BlsMessages   []*types.Message
	SecpkMessages []*types.SignedMessage

	Cids []cid.Cid
}

type BlockReward struct {
	PowerReward     abi.TokenAmount // to miner
	GasReward       abi.TokenAmount // to miner
	VoteReward      abi.TokenAmount // to vote fund
	ExpertReward    abi.TokenAmount // to expert fund
	RetrievalReward abi.TokenAmount // to retrieval fund
	KnowledgeReward abi.TokenAmount // to knowledge fund
	// Sum of failed to award among above, the funds may be burnt or remain in reward actor
	SendFailed abi.TokenAmount
}

type BlockTemplate struct {
	Miner            address.Address
	Parents          types.TipSetKey
	Ticket           *types.Ticket
	Eproof           *types.ElectionProof
	BeaconValues     []types.BeaconEntry
	Messages         []*types.SignedMessage
	Epoch            abi.ChainEpoch
	Timestamp        uint64
	WinningPoStProof []builtin.PoStProof
}

type ChainIO interface {
	ChainReadObj(context.Context, cid.Cid) ([]byte, error)
	ChainHasObj(context.Context, cid.Cid) (bool, error)
}

type ChannelAvailableFunds struct {
	// Channel is the address of the channel
	Channel *address.Address
	// From is the from address of the channel (channel creator)
	From address.Address
	// To is the to address of the channel
	To address.Address
	// ConfirmedAmt is the amount of funds that have been confirmed on-chain
	// for the channel
	ConfirmedAmt types.BigInt
	// PendingAmt is the amount of funds that are pending confirmation on-chain
	PendingAmt types.BigInt
	// PendingWaitSentinel can be used with PaychGetWaitReady to wait for
	// confirmation of pending funds
	PendingWaitSentinel *cid.Cid
	// QueuedAmt is the amount that is queued up behind a pending request
	QueuedAmt types.BigInt
	// VoucherRedeemedAmt is the amount that is redeemed by vouchers on-chain
	// and in the local datastore
	VoucherReedeemedAmt types.BigInt
}

type ChannelInfo struct {
	Channel      address.Address
	WaitSentinel cid.Cid
}

type CirculatingSupply struct {
	EpkVested            abi.TokenAmount
	EpkTeamVested        abi.TokenAmount
	EpkFoundationVested  abi.TokenAmount
	EpkInvestorVested    abi.TokenAmount
	EpkMined             abi.TokenAmount
	EpkBurnt             abi.TokenAmount
	EpkLocked            abi.TokenAmount
	EpkCirculating       abi.TokenAmount
	TotalRetrievalPledge abi.TokenAmount
}

type CommPRet struct {
	Root cid.Cid
	Size abi.UnpaddedPieceSize
}

type Common interface {
	AuthVerify(ctx context.Context, token string) ([]auth.Permission, error)
	AuthNew(ctx context.Context, perms []auth.Permission) ([]byte, error)

	NetConnectedness(context.Context, peer.ID) (network.Connectedness, error)
	NetPeers(context.Context) ([]peer.AddrInfo, error)
	NetConnect(context.Context, peer.AddrInfo) error
	NetAddrsListen(context.Context) (peer.AddrInfo, error)
	NetDisconnect(context.Context, peer.ID) error
	NetFindPeer(context.Context, peer.ID) (peer.AddrInfo, error)
	NetPubsubScores(context.Context) ([]PubsubScore, error)
	NetAutoNatStatus(context.Context) (NatInfo, error)
	NetAgentVersion(ctx context.Context, p peer.ID) (string, error)
	NetPeerInfo(context.Context, peer.ID) (*ExtendedPeerInfo, error)

	// NetBandwidthStats returns statistics about the nodes total bandwidth
	// usage and current rate across all peers and protocols.
	NetBandwidthStats(ctx context.Context) (metrics.Stats, error)

	// NetBandwidthStatsByPeer returns statistics about the nodes bandwidth
	// usage and current rate per peer
	NetBandwidthStatsByPeer(ctx context.Context) (map[string]metrics.Stats, error)

	// NetBandwidthStatsByProtocol returns statistics about the nodes bandwidth
	// usage and current rate per protocol
	NetBandwidthStatsByProtocol(ctx context.Context) (map[protocol.ID]metrics.Stats, error)

	// ConnectionGater API
	NetBlockAdd(ctx context.Context, acl NetBlockList) error
	NetBlockRemove(ctx context.Context, acl NetBlockList) error
	NetBlockList(ctx context.Context) (NetBlockList, error)

	// ID returns peerID of libp2p node backing this API
	ID(context.Context) (peer.ID, error)

	// Version provides information about API provider
	Version(context.Context) (APIVersion, error)

	LogList(context.Context) ([]string, error)
	LogSetLevel(context.Context, string, string) error

	// GC handle the db gc
	GC(context.Context) error

	// trigger graceful shutdown
	Shutdown(context.Context) error

	// Session returns a random UUID of api provider session
	Session(context.Context) (uuid.UUID, error)

	Closing(context.Context) (<-chan struct{}, error)
}

type ComputeStateOutput struct {
	Root  cid.Cid
	Trace []*InvocResult
}

type ConnMgrInfo struct {
	FirstSeen time.Time
	Value     int
	Tags      map[string]int
	Conns     map[string]time.Time
}

type DataCIDSize struct {
	PayloadSize int64
	PieceSize   abi.PaddedPieceSize
	PieceCID    cid.Cid
}

type DataIndex struct {
	Miner    address.Address
	RootCID  cid.Cid
	PieceCID cid.Cid
}

type DataSize struct {
	PayloadSize int64
	PieceSize   abi.PaddedPieceSize
}

type DataTransferChannel struct {
	TransferID  datatransfer.TransferID
	Status      datatransfer.Status
	BaseCID     cid.Cid
	IsInitiator bool
	IsSender    bool
	Voucher     string
	Message     string
	OtherPeer   peer.ID
	Transferred uint64
}

type Deadline struct {
	PostSubmissions      bitfield.BitField
	DisputableProofCount uint64
}

type DealInfo struct {
	ProposalCid cid.Cid
	State       storagemarket.StorageDealStatus
	Message     string // more information about deal state, particularly errors
	Provider    address.Address

	DataRef  *storagemarket.DataRef
	PieceCID cid.Cid
	Size     uint64

	DealID abi.DealID

	CreationTime time.Time

	TransferChannelID *datatransfer.ChannelID
	DataTransfer      *DataTransferChannel
}

type ExpertFileInfo struct {
	Expert     address.Address
	PieceID    cid.Cid
	PieceSize  abi.PaddedPieceSize
	Redundancy uint64
}

type ExpertInfo struct {
	expert.ExpertInfo
	TotalReward abi.TokenAmount
}

type ExpertRegisterFileParams struct {
	Expert    address.Address
	RootID    cid.Cid
	PieceID   cid.Cid
	PieceSize abi.PaddedPieceSize
}

type ExtendedPeerInfo struct {
	ID          peer.ID
	Agent       string
	Addrs       []string
	Protocols   []string
	ConnMgrMeta *ConnMgrInfo
}

type Fault struct {
	Miner address.Address
	Epoch abi.ChainEpoch
}

type FileRef struct {
	Path  string
	IsCAR bool
}

type FlowInfo struct {
	Channel      address.Address
	WaitSentinel cid.Cid
	Vouchers     []*flowch.SignedVoucher
}

type FlowVoucherCreateResult struct {
	// Voucher that was created, or nil if there was an error or if there
	// were insufficient funds in the channel
	Voucher *flowch.SignedVoucher
	// Shortfall is the additional amount that would be needed in the channel
	// in order to be able to create the voucher
	Shortfall types.BigInt
}

type FlowVoucherSpec struct {
	Amount      types.BigInt
	TimeLockMin abi.ChainEpoch
	TimeLockMax abi.ChainEpoch
	MinSettle   abi.ChainEpoch

	Extra *flowch.ModVerifyParams
}

type FlowchStatus struct {
	ControlAddr address.Address
	Direction   PCHDir
}

type FullNode interface {
	Common

	// ChainNotify returns channel with chain head updates.
	// First message is guaranteed to be of len == 1, and type == 'current'.
	ChainNotify(context.Context) (<-chan []*HeadChange, error)

	// ChainHead returns the current head of the chain.
	ChainHead(context.Context) (*types.TipSet, error)

	// ChainGetRandomnessFromTickets is used to sample the chain for randomness.
	ChainGetRandomnessFromTickets(ctx context.Context, tsk types.TipSetKey, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) (abi.Randomness, error)

	// ChainGetRandomnessFromBeacon is used to sample the beacon for randomness.
	ChainGetRandomnessFromBeacon(ctx context.Context, tsk types.TipSetKey, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) (abi.Randomness, error)
	ChainAllowNoWindowPoSt(ctx context.Context, tsk types.TipSetKey, challenge abi.ChainEpoch, rand abi.Randomness) (bool, error)

	// ChainGetBlock returns the block specified by the given CID.
	ChainGetBlock(context.Context, cid.Cid) (*types.BlockHeader, error)
	// ChainGetTipSet returns the tipset specified by the given TipSetKey.
	ChainGetTipSet(context.Context, types.TipSetKey) (*types.TipSet, error)

	// ChainGetBlockMessages returns messages stored in the specified block.
	ChainGetBlockMessages(ctx context.Context, blockCid cid.Cid) (*BlockMessages, error)

	// ChainGetParentReceipts returns receipts for messages in parent tipset of
	// the specified block.
	ChainGetParentReceipts(ctx context.Context, blockCid cid.Cid) ([]*types.MessageReceipt, error)

	// ChainGetParentMessages returns messages stored in parent tipset of the
	// specified block.
	ChainGetParentMessages(ctx context.Context, blockCid cid.Cid) ([]Message, error)

	// ChainGetTipSetByHeight looks back for a tipset at the specified epoch.
	// If there are no blocks at the specified epoch, a tipset at an earlier epoch
	// will be returned.
	ChainGetTipSetByHeight(context.Context, abi.ChainEpoch, types.TipSetKey) (*types.TipSet, error)

	// ChainReadObj reads ipld nodes referenced by the specified CID from chain
	// blockstore and returns raw bytes.
	ChainReadObj(context.Context, cid.Cid) ([]byte, error)

	// ChainDeleteObj deletes node referenced by the given CID
	ChainDeleteObj(context.Context, cid.Cid) error

	// ChainHasObj checks if a given CID exists in the chain blockstore.
	ChainHasObj(context.Context, cid.Cid) (bool, error)

	// ChainStatObj returns statistics about the graph referenced by 'obj'.
	// If 'base' is also specified, then the returned stat will be a diff
	// between the two objects.
	ChainStatObj(ctx context.Context, obj cid.Cid, base cid.Cid) (ObjStat, error)

	// ChainSetHead forcefully sets current chain head. Use with caution.
	ChainSetHead(context.Context, types.TipSetKey) error

	// ChainGetGenesis returns the genesis tipset.
	ChainGetGenesis(context.Context) (*types.TipSet, error)

	// ChainTipSetWeight computes weight for the specified tipset.
	ChainTipSetWeight(context.Context, types.TipSetKey) (types.BigInt, error)
	ChainGetNode(ctx context.Context, p string) (*IpldObject, error)

	// ChainGetMessage reads a message referenced by the specified CID from the
	// chain blockstore.
	ChainGetMessage(context.Context, cid.Cid) (*types.Message, error)

	// ChainGetPath returns a set of revert/apply operations needed to get from
	// one tipset to another, for example:
	//“`
	//        to
	//         ^
	// from   tAA
	//   ^     ^
	// tBA    tAB
	//  ^---*--^
	//      ^
	//     tRR
	//“`
	// Would return `[revert(tBA), apply(tAB), apply(tAA)]`
	ChainGetPath(ctx context.Context, from types.TipSetKey, to types.TipSetKey) ([]*HeadChange, error)

	// ChainExport returns a stream of bytes with CAR dump of chain data.
	// The exported chain data includes the header chain from the given tipset
	// back to genesis, the entire genesis state, and the most recent 'nroots'
	// state trees.
	// If oldmsgskip is set, messages from before the requested roots are also not included.
	ChainExport(ctx context.Context, nroots abi.ChainEpoch, oldmsgskip bool, tsk types.TipSetKey) (<-chan []byte, error)

	// BeaconGetEntry returns the beacon entry for the given epoch. If
	// the entry has not yet been produced, the call will block until the entry
	// becomes available
	BeaconGetEntry(ctx context.Context, epoch abi.ChainEpoch) (*types.BeaconEntry, error)

	// GasEstimateFeeCap estimates gas fee cap
	GasEstimateFeeCap(context.Context, *types.Message, int64, types.TipSetKey) (types.BigInt, error)

	// GasEstimateGasLimit estimates gas used by the message and returns it.
	// It fails if message fails to execute.
	GasEstimateGasLimit(context.Context, *types.Message, types.TipSetKey) (int64, error)

	GasEstimateGasPremium(_ context.Context, nblocksincl uint64,
		sender address.Address, gaslimit int64, tsk types.TipSetKey) (types.BigInt, error)

	// GasEstimateMessageGas estimates gas values for unset message gas fields
	GasEstimateMessageGas(context.Context, *types.Message, *MessageSendSpec, types.TipSetKey) (*types.Message, error)

	// SyncState returns the current status of the epik sync system.
	SyncState(context.Context) (*SyncState, error)

	// SyncSubmitBlock can be used to submit a newly created block to the.
	// network through this node
	SyncSubmitBlock(ctx context.Context, blk *types.BlockMsg) error

	// SyncIncomingBlocks returns a channel streaming incoming, potentially not
	// yet synced block headers.
	SyncIncomingBlocks(ctx context.Context) (<-chan *types.BlockHeader, error)

	// SyncCheckpoint marks a blocks as checkpointed, meaning that it won't ever fork away from it.
	SyncCheckpoint(ctx context.Context, tsk types.TipSetKey) error

	// SyncMarkBad marks a blocks as bad, meaning that it won't ever by synced.
	// Use with extreme caution.
	SyncMarkBad(ctx context.Context, bcid cid.Cid) error

	// SyncUnmarkBad unmarks a blocks as bad, making it possible to be validated and synced again.
	SyncUnmarkBad(ctx context.Context, bcid cid.Cid) error

	// SyncUnmarkAllBad purges bad block cache, making it possible to sync to chains previously marked as bad
	SyncUnmarkAllBad(ctx context.Context) error

	// SyncCheckBad checks if a block was marked as bad, and if it was, returns
	// the reason.
	SyncCheckBad(ctx context.Context, bcid cid.Cid) (string, error)

	// SyncValidateTipset indicates whether the provided tipset is valid or not
	SyncValidateTipset(ctx context.Context, tsk types.TipSetKey) (bool, error)

	// MpoolPending returns pending mempool messages.
	MpoolPending(context.Context, types.TipSetKey) ([]*types.SignedMessage, error)

	// MpoolSelect returns a list of pending messages for inclusion in the next block
	MpoolSelect(context.Context, types.TipSetKey, float64) ([]*types.SignedMessage, error)

	// MpoolPush pushes a signed message to mempool.
	MpoolPush(context.Context, *types.SignedMessage) (cid.Cid, error)

	// MpoolPushUntrusted pushes a signed message to mempool from untrusted sources.
	MpoolPushUntrusted(context.Context, *types.SignedMessage) (cid.Cid, error)

	// MpoolPushMessage atomically assigns a nonce, signs, and pushes a message
	// to mempool.
	// maxFee is only used when GasFeeCap/GasPremium fields aren't specified
	//
	// When maxFee is set to 0, MpoolPushMessage will guess appropriate fee
	// based on current chain conditions
	MpoolPushMessage(ctx context.Context, msg *types.Message, spec *MessageSendSpec) (*types.SignedMessage, error)

	// MpoolBatchPush batch pushes a signed message to mempool.
	MpoolBatchPush(context.Context, []*types.SignedMessage) ([]cid.Cid, error)

	// MpoolBatchPushUntrusted batch pushes a signed message to mempool from untrusted sources.
	MpoolBatchPushUntrusted(context.Context, []*types.SignedMessage) ([]cid.Cid, error)

	// MpoolBatchPushMessage batch pushes a unsigned message to mempool.
	MpoolBatchPushMessage(context.Context, []*types.Message, *MessageSendSpec) ([]*types.SignedMessage, error)

	// MpoolGetNonce gets next nonce for the specified sender.
	// Note that this method may not be atomic. Use MpoolPushMessage instead.
	MpoolGetNonce(context.Context, address.Address) (uint64, error)
	MpoolSub(context.Context) (<-chan MpoolUpdate, error)

	// MpoolClear clears pending messages from the mpool
	MpoolClear(context.Context, bool) error

	// MpoolGetConfig returns (a copy of) the current mpool config
	MpoolGetConfig(context.Context) (*types.MpoolConfig, error)
	// MpoolSetConfig sets the mpool config to (a copy of) the supplied config
	MpoolSetConfig(context.Context, *types.MpoolConfig) error

	MinerGetBaseInfo(context.Context, address.Address, abi.ChainEpoch, types.TipSetKey) (*MiningBaseInfo, error)
	MinerCreateBlock(context.Context, *BlockTemplate) (*types.BlockMsg, error)

	// WalletNew creates a new address in the wallet with the given sigType.
	// Available key types: bls, secp256k1, secp256k1-ledger
	// Support for numerical types: 1 - secp256k1, 2 - BLS is deprecated
	WalletNew(context.Context, types.KeyType) (address.Address, error)
	// WalletHas indicates whether the given address is in the wallet.
	WalletHas(context.Context, address.Address) (bool, error)
	// WalletList lists all the addresses in the wallet.
	WalletList(context.Context) ([]address.Address, error)
	// WalletBalance returns the balance of the given address at the current head of the chain.
	WalletBalance(context.Context, address.Address) (types.BigInt, error)
	// WalletSign signs the given bytes using the given address.
	WalletSign(context.Context, address.Address, []byte) (*crypto.Signature, error)
	// WalletSignMessage signs the given message using the given address.
	WalletSignMessage(context.Context, address.Address, *types.Message) (*types.SignedMessage, error)
	// WalletVerify takes an address, a signature, and some bytes, and indicates whether the signature is valid.
	// The address does not have to be in the wallet.
	WalletVerify(context.Context, address.Address, []byte, *crypto.Signature) (bool, error)
	// WalletDefaultAddress returns the address marked as default in the wallet.
	WalletDefaultAddress(context.Context) (address.Address, error)
	// WalletSetDefault marks the given address as as the default one.
	WalletSetDefault(context.Context, address.Address) error
	// WalletExport returns the private key of an address in the wallet.
	WalletExport(context.Context, address.Address) (*types.KeyInfo, error)
	// WalletImport receives a KeyInfo, which includes a private key, and imports it into the wallet.
	WalletImport(context.Context, *types.KeyInfo) (address.Address, error)
	// WalletDelete deletes an address from the wallet.
	WalletDelete(context.Context, address.Address) error
	// WalletValidateAddress validates whether a given string can be decoded as a well-formed address
	WalletValidateAddress(context.Context, string) (address.Address, error)

	// ClientImport imports file under the specified path into filestore.
	ClientImport(ctx context.Context, ref FileRef) (*ImportRes, error)
	// ClientRemoveImport removes file import
	ClientRemoveImport(ctx context.Context, importID multistore.StoreID) error
	// ClientStartDeal proposes a deal with a miner.
	ClientStartDeal(ctx context.Context, params *StartDealParams) (*cid.Cid, error)
	// ClientImportAndDeal imports file and deal with all miners found.
	ClientImportAndDeal(ctx context.Context, params *ImportAndDealParams) (*ImportRes, error)
	// ClientExpertRegisterFile registers new piece.
	ClientExpertRegisterFile(ctx context.Context, params *ExpertRegisterFileParams) (*cid.Cid, error)
	// ClientGetDealInfo returns the latest information about a given deal.
	ClientGetDealInfo(context.Context, cid.Cid) (*DealInfo, error)
	// ClientListDeals returns information about the deals made by the local client.
	ClientListDeals(ctx context.Context) ([]DealInfo, error)
	// ClientGetDealUpdates returns the status of updated deals
	ClientGetDealUpdates(ctx context.Context) (<-chan DealInfo, error)
	// ClientGetDealStatus returns status given a code
	ClientGetDealStatus(ctx context.Context, statusCode uint64) (string, error)
	// ClientHasLocal indicates whether a certain CID is locally stored.
	ClientHasLocal(ctx context.Context, root cid.Cid) (bool, error)
	// ClientFindData identifies peers that have a certain file, and returns QueryOffers (one per peer).
	ClientFindData(ctx context.Context, root cid.Cid, piece *cid.Cid) ([]QueryOffer, error)
	// ClientMinerQueryOffer returns a QueryOffer for the specific miner and file.
	ClientMinerQueryOffer(ctx context.Context, miner address.Address, root cid.Cid, piece *cid.Cid) (QueryOffer, error)
	// ClientRetrieve initiates the retrieval of a file, as specified in the order.
	ClientRetrieve(ctx context.Context, order RetrievalOrder, ref *FileRef) error
	// ClientRetrieveWithEvents initiates the retrieval of a file, as specified in the order, and provides a channel
	// of status updates.
	ClientRetrieveWithEvents(ctx context.Context, order RetrievalOrder, ref *FileRef) (<-chan marketevents.RetrievalEvent, error)
	// ClientQueryAsk returns a signed StorageAsk from the specified miner.
	ClientQueryAsk(ctx context.Context, p peer.ID, miner address.Address) (*storagemarket.StorageAsk, error)
	// ClientCalcCommP calculates the CommP and data size of the specified CID
	ClientDealPieceCID(ctx context.Context, root cid.Cid) (DataCIDSize, error)
	// ClientCalcCommP calculates the CommP for a specified file
	ClientCalcCommP(ctx context.Context, inpath string) (*CommPRet, error)
	// ClientGenCar generates a CAR file for the specified file.
	ClientGenCar(ctx context.Context, ref FileRef, outpath string) error
	// ClientDealSize calculates real deal data size
	ClientDealSize(ctx context.Context, root cid.Cid) (DataSize, error)
	// ClientListTransfers returns the status of all ongoing transfers of data
	ClientListDataTransfers(ctx context.Context) ([]DataTransferChannel, error)
	ClientDataTransferUpdates(ctx context.Context) (<-chan DataTransferChannel, error)
	// ClientRestartDataTransfer attempts to restart a data transfer with the given transfer ID and other peer
	ClientRestartDataTransfer(ctx context.Context, transferID datatransfer.TransferID, otherPeer peer.ID, isInitiator bool) error
	// ClientCancelDataTransfer cancels a data transfer with the given transfer ID and other peer
	ClientCancelDataTransfer(ctx context.Context, transferID datatransfer.TransferID, otherPeer peer.ID, isInitiator bool) error
	// ClientRetrieveTryRestartInsufficientFunds attempts to restart stalled retrievals on a given payment channel
	// which are stuck due to insufficient funds
	ClientRetrieveTryRestartInsufficientFunds(ctx context.Context, paymentChannel address.Address) error

	// ClientRetrieveGetDeal return retrieve deal state
	ClientRetrieveGetDeal(ctx context.Context, dealID retrievalmarket.DealID) (*RetrievalDeal, error)
	// ClientRetrieveListDeals list retrieve deals
	ClientRetrieveListDeals(ctx context.Context) (map[retrievalmarket.DealID]*RetrievalDeal, error)

	// ClientListImports lists imported files and their root CIDs
	ClientListImports(ctx context.Context) ([]Import, error)

	// ClientRemove removes file storage from system, returns message cid.
	ClientRemove(ctx context.Context, root cid.Cid, wallet address.Address) (cid.Cid, error)

	// ClientRetrieveQuery query file status by file root or retrieve id
	ClientRetrieveQuery(ctx context.Context, wallet address.Address, root cid.Cid, piece *cid.Cid, miner address.Address) (*RetrievalDeal, error)

	// ClientRetrievePledge retrieval pledge amount
	ClientRetrievePledge(ctx context.Context, wallet address.Address, target address.Address, miners []address.Address, amount abi.TokenAmount) (cid.Cid, error)

	// ClientRetrieveBind retrieval bind miners, if reverse, unbind the miners
	ClientRetrieveBind(ctx context.Context, wallet address.Address, miners []address.Address, reverse bool) (cid.Cid, error)

	// ClientRetrieveApplyForWithdraw apply for withdraw
	ClientRetrieveApplyForWithdraw(ctx context.Context, wallet address.Address, target address.Address, amount abi.TokenAmount) (cid.Cid, error)

	// ClientRetrieveWithdraw withdraw
	ClientRetrieveWithdraw(ctx context.Context, wallet address.Address, amount abi.TokenAmount) (cid.Cid, error)

	// ClientExpertNominate nominate expert
	ClientExpertNominate(ctx context.Context, wallet address.Address, expert address.Address) (cid.Cid, error)

	// StateCall runs the given message and returns its result without any persisted changes.
	//
	// StateCall applies the message to the tipset's parent state. The
	// message is not applied on-top-of the messages in the passed-in
	// tipset.
	StateCall(context.Context, *types.Message, types.TipSetKey) (*InvocResult, error)
	// StateReplay replays a given message, assuming it was included in a block in the specified tipset.
	// If no tipset key is provided, the appropriate tipset is looked up.
	StateReplay(context.Context, types.TipSetKey, cid.Cid) (*InvocResult, error)
	// StateBlockReward returns block's reward detail.
	StateBlockReward(ctx context.Context, bid cid.Cid, tsk types.TipSetKey) (*BlockReward, error)
	// StateGetActor returns the indicated actor's nonce and balance.
	StateGetActor(ctx context.Context, actor address.Address, tsk types.TipSetKey) (*types.Actor, error)
	// StateReadState returns the indicated actor's state.
	StateReadState(ctx context.Context, actor address.Address, tsk types.TipSetKey) (*ActorState, error)
	// StateListMessages looks back and returns all messages with a matching to or from address, stopping at the given height.
	StateListMessages(ctx context.Context, match *MessageMatch, tsk types.TipSetKey, toht abi.ChainEpoch) ([]cid.Cid, error)
	// StateDecodeParams attempts to decode the provided params, based on the recipient actor address and method number.
	StateDecodeParams(ctx context.Context, toAddr address.Address, method abi.MethodNum, params []byte, tsk types.TipSetKey) (interface{}, error)

	// StateNetworkName returns the name of the network the node is synced to
	StateNetworkName(context.Context) (dtypes.NetworkName, error)
	// StateMinerSectors returns info about the given miner's sectors. If the filter bitfield is nil, all sectors are included.
	StateMinerSectors(context.Context, address.Address, *bitfield.BitField, types.TipSetKey) ([]*miner.SectorOnChainInfo, error)
	// StateMinerActiveSectors returns info about sectors that a given miner is actively proving.
	StateMinerActiveSectors(context.Context, address.Address, types.TipSetKey) ([]*miner.SectorOnChainInfo, error)
	// StateMinerProvingDeadline calculates the deadline at some epoch for a proving period
	// and returns the deadline-related calculations.
	StateMinerProvingDeadline(context.Context, address.Address, types.TipSetKey) (*dline.Info, error)
	// StateMinerPower returns the power of the indicated miner
	StateMinerPower(context.Context, address.Address, types.TipSetKey) (*MinerPower, error)
	// StateMinerInfo returns info about the indicated miner
	StateMinerInfo(context.Context, address.Address, types.TipSetKey) (miner.MinerInfo, error)
	// StateMinerDeadlines returns all the proving deadlines for the given miner
	StateMinerDeadlines(context.Context, address.Address, types.TipSetKey) ([]Deadline, error)
	// StateMinerPartitions returns all partitions in the specified deadline
	StateMinerPartitions(ctx context.Context, m address.Address, dlIdx uint64, tsk types.TipSetKey) ([]Partition, error)
	// StateMinerFaults returns a bitfield indicating the faulty sectors of the given miner
	StateMinerFaults(context.Context, address.Address, types.TipSetKey) (bitfield.BitField, error)
	// StateMinerActives returns a bitfield indicating the active sectors of the given miner
	StateMinerActives(context.Context, address.Address, types.TipSetKey) (bitfield.BitField, error)
	// StateAllMinerFaults returns all non-expired Faults that occur within lookback epochs of the given tipset
	StateAllMinerFaults(ctx context.Context, lookback abi.ChainEpoch, ts types.TipSetKey) ([]*Fault, error)
	// StateMinerRecoveries returns a bitfield indicating the recovering sectors of the given miner
	StateMinerRecoveries(context.Context, address.Address, types.TipSetKey) (bitfield.BitField, error)
	/* // StateMinerInitialPledgeCollateral returns the precommit deposit for the specified miner's sector
	StateMinerPreCommitDepositForPower(context.Context, address.Address, miner.SectorPreCommitInfo, types.TipSetKey) (types.BigInt, error)
	// StateMinerInitialPledgeCollateral returns the initial pledge collateral for the specified miner's sector
	StateMinerInitialPledgeCollateral(context.Context, address.Address, miner.SectorPreCommitInfo, types.TipSetKey) (types.BigInt, error) */
	// StateCoinbase returns the portion of a miner's balance that can be withdrawn or spent
	StateCoinbase(context.Context, address.Address, types.TipSetKey) (*vesting.CoinbaseInfo, error)
	// StateMinerFunds returns the total pledge collateral for mining
	StateMinerFunds(context.Context, address.Address, types.TipSetKey) (miner.Funds, error)
	// StateMinerSectorAllocated checks if a sector is allocated
	StateMinerSectorAllocated(context.Context, address.Address, abi.SectorNumber, types.TipSetKey) (bool, error)
	// StateSectorPreCommitInfo returns the PreCommit info for the specified miner's sector
	StateSectorPreCommitInfo(context.Context, address.Address, abi.SectorNumber, types.TipSetKey) (miner.SectorPreCommitOnChainInfo, error)
	// StateSectorGetInfo returns the on-chain info for the specified miner's sector. Returns null in case the sector info isn't found
	// NOTE: returned info.Expiration may not be accurate in some cases, use StateSectorExpiration to get accurate
	// expiration epoch
	StateSectorGetInfo(context.Context, address.Address, abi.SectorNumber, types.TipSetKey) (*miner.SectorOnChainInfo, error)
	// StateSectorExpiration returns epoch at which given sector will expire
	StateSectorExpiration(context.Context, address.Address, abi.SectorNumber, types.TipSetKey) (*miner.SectorExpiration, error)
	// StateSectorPartition finds deadline/partition with the specified sector
	StateSectorPartition(ctx context.Context, maddr address.Address, sectorNumber abi.SectorNumber, tok types.TipSetKey) (*miner.SectorLocation, error)
	// StateSearchMsg searches for a message in the chain, and returns its receipt and the tipset where it was executed
	StateSearchMsg(context.Context, cid.Cid) (*MsgLookup, error)
	// StateSearchMsgLimited looks back up to limit epochs in the chain for a message, and returns its receipt and the tipset where it was executed
	StateSearchMsgLimited(ctx context.Context, msg cid.Cid, limit abi.ChainEpoch) (*MsgLookup, error)
	// StateWaitMsg looks back in the chain for a message. If not found, it blocks until the
	// message arrives on chain, and gets to the indicated confidence depth.
	StateWaitMsg(ctx context.Context, cid cid.Cid, confidence uint64) (*MsgLookup, error)
	// StateWaitMsgLimited looks back up to limit epochs in the chain for a message.
	// If not found, it blocks until the message arrives on chain, and gets to the
	// indicated confidence depth.
	StateWaitMsgLimited(ctx context.Context, cid cid.Cid, confidence uint64, limit abi.ChainEpoch) (*MsgLookup, error)
	// StateListMiners returns the addresses of every miner that has claimed power in the Power Actor
	StateListMiners(context.Context, types.TipSetKey) ([]address.Address, error)
	// StateListActors returns the addresses of every actor in the state
	StateListActors(context.Context, types.TipSetKey) ([]address.Address, error)
	// // StateMarketBalance looks up the Escrow and Locked balances of the given address in the Storage Market
	// StateMarketBalance(context.Context, address.Address, types.TipSetKey) (MarketBalance, error)
	// // StateMarketParticipants returns the Escrow and Locked balances of every participant in the Storage Market
	// StateMarketParticipants(context.Context, types.TipSetKey) (map[string]MarketBalance, error)
	// StateMarketDeals returns information about every deal in the Storage Market
	StateMarketDeals(context.Context, types.TipSetKey) (map[string]MarketDeal, error)
	// StateMarketStorageDeal returns information about the indicated deal
	StateMarketStorageDeal(context.Context, abi.DealID, types.TipSetKey) (*MarketDeal, error)
	// StateMarketRemainingQuota returns remaining quota of piece
	StateMarketRemainingQuota(context.Context, cid.Cid, types.TipSetKey) (int64, error)
	// StateLookupID retrieves the ID address of the given address
	StateLookupID(context.Context, address.Address, types.TipSetKey) (address.Address, error)
	// StateAccountKey returns the public key address of the given ID address
	StateAccountKey(context.Context, address.Address, types.TipSetKey) (address.Address, error)
	// StateChangedActors returns all the actors whose states change between the two given state CIDs
	// TODO: Should this take tipset keys instead?
	StateChangedActors(context.Context, cid.Cid, cid.Cid) (map[string]types.Actor, error)
	// StateGetReceipt returns the message receipt for the given message
	StateGetReceipt(context.Context, cid.Cid, types.TipSetKey) (*types.MessageReceipt, error)
	// StateMinerSectorCount returns the number of sectors in a miner's sector set and proving set
	StateMinerSectorCount(context.Context, address.Address, types.TipSetKey) (MinerSectors, error)
	// StateCompute is a flexible command that applies the given messages on the given tipset.
	// The messages are run as though the VM were at the provided height.
	StateCompute(context.Context, abi.ChainEpoch, []*types.Message, types.TipSetKey) (*ComputeStateOutput, error)

	StateTotalMinedDetail(ctx context.Context, tsk types.TipSetKey) (*reward.TotalMinedDetail, error)
	// StateCirculatingSupply returns the exact circulating supply of EPK at the given tipset.
	// This is not used anywhere in the protocol itself, and is only for external consumption.
	StateCirculatingSupply(context.Context, types.TipSetKey) (abi.TokenAmount, error)
	// StateVMCirculatingSupplyInternal returns an approximation of the circulating supply of EPK at the given tipset.
	// This is the value reported by the runtime interface to actors code.
	StateVMCirculatingSupplyInternal(context.Context, types.TipSetKey) (CirculatingSupply, error)
	// StateNetworkVersion returns the network version at the given tipset
	StateNetworkVersion(context.Context, types.TipSetKey) (network.Version, error)
	// StateListExperts returns the addresses of every expert.
	StateListExperts(context.Context, types.TipSetKey) ([]address.Address, error)
	// StateExpertInfo returns info about the indicated expert.
	StateExpertInfo(context.Context, address.Address, types.TipSetKey) (*ExpertInfo, error)
	// StateExpertInfo lists expert's data
	StateExpertDatas(context.Context, address.Address, *bitfield.BitField, bool, types.TipSetKey) ([]*expert.DataOnChainInfo, error)
	// StateExpertFileInfo returns expert's file
	StateExpertFileInfo(context.Context, cid.Cid, types.TipSetKey) (*ExpertFileInfo, error)

	// StateVoteTally returns voting result at given tipset
	StateVoteTally(context.Context, types.TipSetKey) (*vote.Tally, error)
	// StateVoterInfo returns voter info at given tipset
	StateVoterInfo(context.Context, address.Address, types.TipSetKey) (*vote.VoterInfo, error)
	// StateKnowledgeInfo returns knowledge fund info at given tipset
	StateKnowledgeInfo(context.Context, types.TipSetKey) (*knowledge.Info, error)

	// StateGovernSupervisor returns authorities of given governor
	StateGovernSupervisor(context.Context, types.TipSetKey) (address.Address, error)
	// StateGovernorList returns all governors
	StateGovernorList(context.Context, types.TipSetKey) ([]*govern.GovernorInfo, error)

	StateGovernParams(context.Context, types.TipSetKey) (*govern.GovParams, error)

	// StateRetrievalInfo retrieval pledge info
	StateRetrievalInfo(context.Context, types.TipSetKey) (*RetrievalInfo, error)

	// StateRetrievalPledge retrieval pledge state
	StateRetrievalPledge(context.Context, address.Address, types.TipSetKey) (*RetrievalState, error)

	// StateRetrievalPledge retrieval from address
	StateRetrievalPledgeFrom(context.Context, address.Address, types.TipSetKey) (*RetrievalPledgeInfo, error)

	// StateRetrievalPledgeList retrieval pledge list
	StateRetrievalPledgeList(context.Context, types.TipSetKey) (map[address.Address]*RetrievalState, error)

	// StateDataIndex data index
	StateDataIndex(context.Context, abi.ChainEpoch, types.TipSetKey) ([]*DataIndex, error)

	// StateMinerStoredAnyPiece check miner has storage the data by pieceIDs
	StateMinerStoredAnyPiece(context.Context, address.Address, []cid.Cid, types.TipSetKey) (bool, error)

	// MsigGetAvailableBalance returns the portion of a multisig's balance that can be withdrawn or spent
	MsigGetAvailableBalance(context.Context, address.Address, types.TipSetKey) (types.BigInt, error)
	// MsigGetVestingSchedule returns the vesting details of a given multisig.
	MsigGetVestingSchedule(context.Context, address.Address, types.TipSetKey) (MsigVesting, error)
	// MsigGetVested returns the amount of EPK that vested in a multisig in a certain period.
	// It takes the following params: <multisig address>, <start epoch>, <end epoch>
	MsigGetVested(context.Context, address.Address, types.TipSetKey, types.TipSetKey) (types.BigInt, error)

	//MsigGetPending returns pending transactions for the given multisig
	//wallet. Once pending transactions are fully approved, they will no longer
	//appear here.
	MsigGetPending(context.Context, address.Address, types.TipSetKey) ([]*MsigTransaction, error)

	// MsigCreate creates a multisig wallet
	// It takes the following params: <required number of senders>, <approving addresses>, <unlock duration>
	//<initial balance>, <sender address of the create msg>, <gas price>
	MsigCreate(context.Context, uint64, []address.Address, abi.ChainEpoch, types.BigInt, address.Address, types.BigInt) (cid.Cid, error)
	// MsigPropose proposes a multisig message
	// It takes the following params: <multisig address>, <recipient address>, <value to transfer>,
	// <sender address of the propose msg>, <method to call in the proposed message>, <params to include in the proposed message>
	MsigPropose(context.Context, address.Address, address.Address, types.BigInt, address.Address, uint64, []byte) (cid.Cid, error)

	// MsigApprove approves a previously-proposed multisig message by transaction ID
	// It takes the following params: <multisig address>, <proposed transaction ID> <signer address>
	MsigApprove(context.Context, address.Address, uint64, address.Address) (cid.Cid, error)

	// MsigApproveTxnHash approves a previously-proposed multisig message, specified
	// using both transaction ID and a hash of the parameters used in the
	// proposal. This method of approval can be used to ensure you only approve
	// exactly the transaction you think you are.
	// It takes the following params: <multisig address>, <proposed message ID>, <proposer address>, <recipient address>, <value to transfer>,
	// <sender address of the approve msg>, <method to call in the proposed message>, <params to include in the proposed message>
	MsigApproveTxnHash(context.Context, address.Address, uint64, address.Address, address.Address, types.BigInt, address.Address, uint64, []byte) (cid.Cid, error)

	// MsigCancel cancels a previously-proposed multisig message
	// It takes the following params: <multisig address>, <proposed transaction ID>, <recipient address>, <value to transfer>,
	// <sender address of the cancel msg>, <method to call in the proposed message>, <params to include in the proposed message>
	MsigCancel(context.Context, address.Address, uint64, address.Address, types.BigInt, address.Address, uint64, []byte) (cid.Cid, error)
	// MsigAddPropose proposes adding a signer in the multisig
	// It takes the following params: <multisig address>, <sender address of the propose msg>,
	// <new signer>, <whether the number of required signers should be increased>
	MsigAddPropose(context.Context, address.Address, address.Address, address.Address, bool) (cid.Cid, error)
	// MsigAddApprove approves a previously proposed AddSigner message
	// It takes the following params: <multisig address>, <sender address of the approve msg>, <proposed message ID>,
	// <proposer address>, <new signer>, <whether the number of required signers should be increased>
	MsigAddApprove(context.Context, address.Address, address.Address, uint64, address.Address, address.Address, bool) (cid.Cid, error)
	// MsigAddCancel cancels a previously proposed AddSigner message
	// It takes the following params: <multisig address>, <sender address of the cancel msg>, <proposed message ID>,
	// <new signer>, <whether the number of required signers should be increased>
	MsigAddCancel(context.Context, address.Address, address.Address, uint64, address.Address, bool) (cid.Cid, error)
	// MsigSwapPropose proposes swapping 2 signers in the multisig
	// It takes the following params: <multisig address>, <sender address of the propose msg>,
	// <old signer>, <new signer>
	MsigSwapPropose(context.Context, address.Address, address.Address, address.Address, address.Address) (cid.Cid, error)
	// MsigSwapApprove approves a previously proposed SwapSigner
	// It takes the following params: <multisig address>, <sender address of the approve msg>, <proposed message ID>,
	// <proposer address>, <old signer>, <new signer>
	MsigSwapApprove(context.Context, address.Address, address.Address, uint64, address.Address, address.Address, address.Address) (cid.Cid, error)
	// MsigSwapCancel cancels a previously proposed SwapSigner message
	// It takes the following params: <multisig address>, <sender address of the cancel msg>, <proposed message ID>,
	// <old signer>, <new signer>
	MsigSwapCancel(context.Context, address.Address, address.Address, uint64, address.Address, address.Address) (cid.Cid, error)

	// MsigRemoveSigner proposes the removal of a signer from the multisig.
	// It accepts the multisig to make the change on, the proposer address to
	// send the message from, the address to be removed, and a boolean
	// indicating whether or not the signing threshold should be lowered by one
	// along with the address removal.
	MsigRemoveSigner(ctx context.Context, msig address.Address, proposer address.Address, toRemove address.Address, decrease bool) (cid.Cid, error)

	PaychGet(ctx context.Context, from, to address.Address, amt types.BigInt) (*ChannelInfo, error)
	PaychGetWaitReady(context.Context, cid.Cid) (address.Address, error)
	PaychAvailableFunds(ctx context.Context, ch address.Address) (*ChannelAvailableFunds, error)
	PaychAvailableFundsByFromTo(ctx context.Context, from, to address.Address) (*ChannelAvailableFunds, error)
	PaychList(context.Context) ([]address.Address, error)
	PaychStatus(context.Context, address.Address) (*PaychStatus, error)
	PaychSettle(context.Context, address.Address) (cid.Cid, error)
	PaychCollect(context.Context, address.Address) (cid.Cid, error)
	PaychAllocateLane(ctx context.Context, ch address.Address) (uint64, error)
	PaychNewPayment(ctx context.Context, from, to address.Address, vouchers []VoucherSpec) (*PaymentInfo, error)
	PaychVoucherCheckValid(context.Context, address.Address, *paych.SignedVoucher) error
	PaychVoucherCheckSpendable(context.Context, address.Address, *paych.SignedVoucher, []byte, []byte) (bool, error)
	PaychVoucherCreate(context.Context, address.Address, types.BigInt, uint64) (*VoucherCreateResult, error)
	PaychVoucherAdd(context.Context, address.Address, *paych.SignedVoucher, []byte, types.BigInt) (types.BigInt, error)
	PaychVoucherList(context.Context, address.Address) ([]*paych.SignedVoucher, error)
	PaychVoucherSubmit(context.Context, address.Address, *paych.SignedVoucher, []byte, []byte) (cid.Cid, error)

	FlowchGet(ctx context.Context, from, to address.Address, amt types.BigInt) (*ChannelInfo, error)
	FlowchGetWaitReady(context.Context, cid.Cid) (address.Address, error)
	FlowchAvailableFunds(ctx context.Context, ch address.Address) (*ChannelAvailableFunds, error)
	FlowchAvailableFundsByFromTo(ctx context.Context, from, to address.Address) (*ChannelAvailableFunds, error)
	FlowchList(context.Context) ([]address.Address, error)
	FlowchStatus(context.Context, address.Address) (*FlowchStatus, error)
	FlowchSettle(context.Context, address.Address) (cid.Cid, error)
	FlowchCollect(context.Context, address.Address) (cid.Cid, error)
	FlowchAllocateLane(ctx context.Context, ch address.Address) (uint64, error)
	FlowchNewPayment(ctx context.Context, from, to address.Address, vouchers []FlowVoucherSpec) (*FlowInfo, error)
	FlowchVoucherCheckValid(context.Context, address.Address, *flowch.SignedVoucher) error
	FlowchVoucherCheckSpendable(context.Context, address.Address, *flowch.SignedVoucher, []byte, []byte) (bool, error)
	FlowchVoucherCreate(context.Context, address.Address, types.BigInt, uint64) (*FlowVoucherCreateResult, error)
	FlowchVoucherAdd(context.Context, address.Address, *flowch.SignedVoucher, []byte, types.BigInt) (types.BigInt, error)
	FlowchVoucherList(context.Context, address.Address) ([]*flowch.SignedVoucher, error)
	FlowchVoucherSubmit(context.Context, address.Address, *flowch.SignedVoucher, []byte, []byte) (cid.Cid, error)

	// CreateBackup creates node backup onder the specified file name. The
	// method requires that the epik daemon is running with the
	// EPIK_BACKUP_BASE_PATH environment variable set to some path, and that
	// the path specified when calling CreateBackup is within the base path
	CreateBackup(ctx context.Context, fpath string) error
}

type GatewayAPI interface {
	ChainHasObj(context.Context, cid.Cid) (bool, error)
	ChainHead(ctx context.Context) (*types.TipSet, error)
	ChainGetBlockMessages(context.Context, cid.Cid) (*BlockMessages, error)
	ChainGetMessage(ctx context.Context, mc cid.Cid) (*types.Message, error)
	ChainGetTipSet(ctx context.Context, tsk types.TipSetKey) (*types.TipSet, error)
	ChainGetTipSetByHeight(ctx context.Context, h abi.ChainEpoch, tsk types.TipSetKey) (*types.TipSet, error)
	ChainNotify(context.Context) (<-chan []*HeadChange, error)
	ChainReadObj(context.Context, cid.Cid) ([]byte, error)
	GasEstimateMessageGas(ctx context.Context, msg *types.Message, spec *MessageSendSpec, tsk types.TipSetKey) (*types.Message, error)
	MpoolPush(ctx context.Context, sm *types.SignedMessage) (cid.Cid, error)
	MsigGetAvailableBalance(ctx context.Context, addr address.Address, tsk types.TipSetKey) (types.BigInt, error)
	MsigGetVested(ctx context.Context, addr address.Address, start types.TipSetKey, end types.TipSetKey) (types.BigInt, error)
	MsigGetPending(context.Context, address.Address, types.TipSetKey) ([]*MsigTransaction, error)
	StateAccountKey(ctx context.Context, addr address.Address, tsk types.TipSetKey) (address.Address, error)
	/* StateDealProviderCollateralBounds(ctx context.Context, size abi.PaddedPieceSize, verified bool, tsk types.TipSetKey) (DealCollateralBounds, error) */
	StateGetActor(ctx context.Context, actor address.Address, ts types.TipSetKey) (*types.Actor, error)
	StateGetReceipt(context.Context, cid.Cid, types.TipSetKey) (*types.MessageReceipt, error)
	StateListMiners(ctx context.Context, tsk types.TipSetKey) ([]address.Address, error)
	StateLookupID(ctx context.Context, addr address.Address, tsk types.TipSetKey) (address.Address, error)
	// StateMarketBalance(ctx context.Context, addr address.Address, tsk types.TipSetKey) (MarketBalance, error)
	StateMarketStorageDeal(ctx context.Context, dealId abi.DealID, tsk types.TipSetKey) (*MarketDeal, error)
	StateMinerInfo(ctx context.Context, actor address.Address, tsk types.TipSetKey) (miner.MinerInfo, error)
	StateMinerProvingDeadline(ctx context.Context, addr address.Address, tsk types.TipSetKey) (*dline.Info, error)
	StateMinerPower(context.Context, address.Address, types.TipSetKey) (*MinerPower, error)
	StateNetworkVersion(context.Context, types.TipSetKey) (network.Version, error)
	StateSectorGetInfo(ctx context.Context, maddr address.Address, n abi.SectorNumber, tsk types.TipSetKey) (*miner.SectorOnChainInfo, error)
	// StateVerifiedClientStatus(ctx context.Context, addr address.Address, tsk types.TipSetKey) (*abi.StoragePower, error)
	StateWaitMsg(ctx context.Context, msg cid.Cid, confidence uint64) (*MsgLookup, error)
}

type HeadChange struct {
	Type string
	Val  *types.TipSet
}

type Import struct {
	Key multistore.StoreID
	Err string

	Root     *cid.Cid
	Source   string
	FilePath string
}

type ImportAndDealParams struct {
	Ref    FileRef
	From   address.Address
	Expert address.Address
	Miner  address.Address
}

type ImportRes struct {
	Root     cid.Cid
	ImportID multistore.StoreID
}

type InvocResult struct {
	MsgCid         cid.Cid
	Msg            *types.Message
	MsgRct         *types.MessageReceipt
	GasCost        MsgGasCost
	ExecutionTrace types.ExecutionTrace
	Error          string
	Duration       time.Duration
}

type IpldObject struct {
	Cid cid.Cid
	Obj interface{}
}

type MarketDeal struct {
	Proposal market.DealProposal
	State    market.DealState
}

type Message struct {
	Cid     cid.Cid
	Message *types.Message
}

type MessageMatch struct {
	To   address.Address
	From address.Address
}

type MessageSendSpec struct {
	MaxFee abi.TokenAmount
}

type MethodCall struct {
	types.MessageReceipt
	Error string
}

type MinerPower struct {
	MinerPower  power.Claim
	TotalPower  power.Claim
	HasMinPower bool
}

type MinerSectors struct {
	// Live sectors that should be proven.
	Live uint64
	// Sectors actively contributing to power.
	Active uint64
	// Sectors with failed proofs.
	Faulty uint64
}

type MiningBaseInfo struct {
	MinerPower        types.BigInt
	NetworkPower      types.BigInt
	Sectors           []builtin.SectorInfo
	WorkerKey         address.Address
	SectorSize        abi.SectorSize
	PrevBeaconEntry   types.BeaconEntry
	BeaconEntries     []types.BeaconEntry
	EligibleForMining bool
}

type MpoolChange int

type MpoolUpdate struct {
	Type    MpoolChange
	Message *types.SignedMessage
}

type MsgGasCost struct {
	Message            cid.Cid // Can be different than requested, in case it was replaced, but only gas values changed
	GasUsed            abi.TokenAmount
	BaseFeeBurn        abi.TokenAmount
	OverEstimationBurn abi.TokenAmount
	MinerPenalty       abi.TokenAmount
	MinerTip           abi.TokenAmount
	Refund             abi.TokenAmount
	TotalCost          abi.TokenAmount
}

type MsgLookup struct {
	Message   cid.Cid // Can be different than requested, in case it was replaced, but only gas values changed
	Receipt   types.MessageReceipt
	ReturnDec interface{}
	TipSet    types.TipSetKey
	Height    abi.ChainEpoch
}

type MsgMeta struct {
	Type MsgType

	// Additional data related to what is signed. Should be verifiable with the
	// signed bytes (e.g. CID(Extra).Bytes() == toSign)
	Extra []byte
}

type MsgType string

type MsigProposeResponse int

type MsigTransaction struct {
	ID     int64
	To     address.Address
	Value  abi.TokenAmount
	Method abi.MethodNum
	Params []byte

	Approved []address.Address
}

type MsigVesting struct {
	InitialBalance abi.TokenAmount
	StartEpoch     abi.ChainEpoch
	UnlockDuration abi.ChainEpoch
}

type MultiaddrSlice []ma.Multiaddr

type NatInfo struct {
	Reachability network.Reachability
	PublicAddr   string
}

type NetBlockList struct {
	Peers     []peer.ID
	IPAddrs   []string
	IPSubnets []string
}

type NodeType int

type ObjStat struct {
	Size  uint64
	Links uint64
}

type PCHDir int

type Partition struct {
	AllSectors        bitfield.BitField
	FaultySectors     bitfield.BitField
	RecoveringSectors bitfield.BitField
	LiveSectors       bitfield.BitField
	ActiveSectors     bitfield.BitField
}

type PaychStatus struct {
	ControlAddr address.Address
	Direction   PCHDir
}

type PaymentInfo struct {
	Channel      address.Address
	WaitSentinel cid.Cid
	Vouchers     []*paych.SignedVoucher
}

type PendingDealInfo struct {
	Deals              []market.ClientDealProposal
	PublishPeriodStart time.Time
	PublishPeriod      time.Duration
}

type PubsubScore struct {
	ID    peer.ID
	Score *pubsub.PeerScoreSnapshot
}

type QueryOffer struct {
	Err string

	Root  cid.Cid
	Piece *cid.Cid

	Size                    uint64
	MinPrice                types.BigInt
	UnsealPrice             types.BigInt
	PaymentInterval         uint64
	PaymentIntervalIncrease uint64
	Miner                   address.Address
	MinerPeer               retrievalmarket.RetrievalPeer
}

type RetrievalDeal struct {
	DealID       retrievalmarket.DealID
	RootCID      cid.Cid
	PieceCID     *cid.Cid
	ClientWallet address.Address
	MinerWallet  address.Address
	Miner        address.Address
	Status       retrievalmarket.DealStatus
	Message      string
	WaitMsgCID   *cid.Cid // the CID of any message the client deal is waiting for
}

type RetrievalInfo struct {
	TotalPledge   abi.TokenAmount
	TotalReward   abi.TokenAmount
	PendingReward abi.TokenAmount
}

type RetrievalOrder struct {
	// TODO: make this less unixfs specific
	Root  cid.Cid
	Piece *cid.Cid
	Size  uint64
	// TODO: support offset
	Total                   types.BigInt
	UnsealPrice             types.BigInt
	PaymentInterval         uint64
	PaymentIntervalIncrease uint64
	Client                  address.Address
	Miner                   address.Address
	MinerPeer               retrievalmarket.RetrievalPeer
}

type RetrievalPledgeInfo struct {
	Pledges       map[string]abi.TokenAmount
	Locked        abi.TokenAmount
	UnlockedEpoch abi.ChainEpoch
}

type RetrievalState struct {
	BindMiners []address.Address
	Balance    abi.TokenAmount
	DayExpend  abi.TokenAmount
}

type SealRes struct {
	Err   string
	GoErr error `json:"-"`

	Proof []byte
}

type SealSeed struct {
	Value abi.InteractiveSealRandomness
	Epoch abi.ChainEpoch
}

type SealTicket struct {
	Value abi.SealRandomness
	Epoch abi.ChainEpoch
}

type SealedRef struct {
	SectorID abi.SectorNumber
	Offset   abi.PaddedPieceSize
	Size     abi.UnpaddedPieceSize
}

type SealedRefs struct {
	Refs []SealedRef
}

type SectorInfo struct {
	SectorID     abi.SectorNumber
	State        SectorState
	CommD        *cid.Cid
	CommR        *cid.Cid
	Proof        []byte
	Deals        []abi.DealID
	Ticket       SealTicket
	Seed         SealSeed
	PreCommitMsg *cid.Cid
	CommitMsg    *cid.Cid
	Retries      uint64

	LastErr string

	Log []SectorLog

	// On Chain Info
	SealProof  abi.RegisteredSealProof // The seal proof type implies the PoSt proof/s
	Activation abi.ChainEpoch          // Epoch during which the sector proof was accepted
	PieceSizes []abi.PaddedPieceSize
	DealWins   []builtin.BoolValue
	/* Expiration         abi.ChainEpoch          // Epoch during which the sector expires
	DealWeight         abi.DealWeight          // Integral of active deals over sector lifetime
	VerifiedDealWeight abi.DealWeight          // Integral of active verified deals over sector lifetime
	InitialPledge      abi.TokenAmount         // Pledge collected to commit this sector */
	// Expiration Info
	OnTime abi.ChainEpoch
	// non-zero if sector is faulty, epoch at which it will be permanently
	// removed if it doesn't recover
	Early abi.ChainEpoch
}

type SectorLog struct {
	Kind      string
	Timestamp uint64

	Trace string

	Message string
}

type SectorState string

type SignFunc = func(context.Context, []byte) (*crypto.Signature, error)

type Signable interface {
	Sign(context.Context, SignFunc) error
}

type Signer func(context.Context, address.Address, []byte) (*crypto.Signature, error)

type StartDealParams struct {
	Data   *storagemarket.DataRef
	Wallet address.Address
	Miner  address.Address
	/* EpochPrice        types.BigInt
	MinBlocksDuration uint64
	ProviderCollateral big.Int */
	DealStartEpoch abi.ChainEpoch
	FastRetrieval  bool
}

type StorageMiner interface {
	Common

	ActorAddress(context.Context) (address.Address, error)

	ActorSectorSize(context.Context, address.Address) (abi.SectorSize, error)
	ActorAddressConfig(ctx context.Context) (AddressConfig, error)

	MiningBase(context.Context) (*types.TipSet, error)

	// Temp api for testing
	PledgeSector(context.Context) (abi.SectorID, error)

	// Get the status of a given sector by ID
	SectorsStatus(ctx context.Context, sid abi.SectorNumber, showOnChainInfo bool) (SectorInfo, error)

	// List all staged sectors
	SectorsList(context.Context) ([]abi.SectorNumber, error)

	// Get summary info of sectors
	SectorsSummary(ctx context.Context) (map[SectorState]int, error)

	// List sectors in particular states
	SectorsListInStates(context.Context, []SectorState) ([]abi.SectorNumber, error)

	SectorsRefs(context.Context) (map[string][]SealedRef, error)

	// SectorStartSealing can be called on sectors in Empty or WaitDeals states
	// to trigger sealing early
	SectorStartSealing(context.Context, abi.SectorNumber) error
	// SectorSetSealDelay sets the time that a newly-created sector
	// waits for more deals before it starts sealing
	SectorSetSealDelay(context.Context, time.Duration) error
	// SectorGetSealDelay gets the time that a newly-created sector
	// waits for more deals before it starts sealing
	SectorGetSealDelay(context.Context) (time.Duration, error)
	// SectorSetExpectedSealDuration sets the expected time for a sector to seal
	SectorSetExpectedSealDuration(context.Context, time.Duration) error
	// SectorGetExpectedSealDuration gets the expected time for a sector to seal
	SectorGetExpectedSealDuration(context.Context) (time.Duration, error)
	SectorsUpdate(context.Context, abi.SectorNumber, SectorState) error
	// SectorRemove removes the sector from storage. It doesn't terminate it on-chain, which can
	// be done with SectorTerminate. Removing and not terminating live sectors will cause additional penalties.
	SectorRemove(context.Context, abi.SectorNumber) error
	// SectorTerminate terminates the sector on-chain (adding it to a termination batch first), then
	// automatically removes it from storage
	SectorTerminate(context.Context, abi.SectorNumber) error
	// SectorTerminateFlush immediately sends a terminate message with sectors batched for termination.
	// Returns null if message wasn't sent
	SectorTerminateFlush(ctx context.Context) (*cid.Cid, error)
	// SectorTerminatePending returns a list of pending sector terminations to be sent in the next batch message
	SectorTerminatePending(ctx context.Context) ([]abi.SectorID, error)

	StorageList(ctx context.Context) (map[stores.ID][]stores.Decl, error)
	StorageLocal(ctx context.Context) (map[stores.ID]string, error)
	StorageStat(ctx context.Context, id stores.ID) (fsutil.FsStat, error)

	// WorkerConnect tells the node to connect to workers RPC
	WorkerConnect(context.Context, string) error
	WorkerStats(context.Context) (map[uuid.UUID]storiface.WorkerStats, error)
	WorkerJobs(context.Context) (map[uuid.UUID][]storiface.WorkerJob, error)
	storiface.WorkerReturn

	// SealingSchedDiag dumps internal sealing scheduler state
	SealingSchedDiag(ctx context.Context, doSched bool) (interface{}, error)
	SealingAbort(ctx context.Context, call storiface.CallID) error

	stores.SectorIndex

	MarketImportDealData(ctx context.Context, propcid cid.Cid, path string) error
	MarketListDeals(ctx context.Context) ([]MarketDeal, error)
	MarketListRetrievalDeals(ctx context.Context) ([]retrievalmarket.ProviderDealState, error)
	MarketGetDealUpdates(ctx context.Context) (<-chan storagemarket.MinerDeal, error)
	MarketListIncompleteDeals(ctx context.Context) ([]storagemarket.MinerDeal, error)
	MarketSetAsk(ctx context.Context, price types.BigInt, verifiedPrice types.BigInt, duration abi.ChainEpoch, minPieceSize abi.PaddedPieceSize, maxPieceSize abi.PaddedPieceSize) error
	MarketGetAsk(ctx context.Context) (*storagemarket.SignedStorageAsk, error)
	MarketSetRetrievalAsk(ctx context.Context, rask *retrievalmarket.Ask) error
	MarketGetRetrievalAsk(ctx context.Context) (*retrievalmarket.Ask, error)
	MarketListDataTransfers(ctx context.Context) ([]DataTransferChannel, error)
	MarketDataTransferUpdates(ctx context.Context) (<-chan DataTransferChannel, error)
	// MarketRestartDataTransfer attempts to restart a data transfer with the given transfer ID and other peer
	MarketRestartDataTransfer(ctx context.Context, transferID datatransfer.TransferID, otherPeer peer.ID, isInitiator bool) error
	// MarketCancelDataTransfer cancels a data transfer with the given transfer ID and other peer
	MarketCancelDataTransfer(ctx context.Context, transferID datatransfer.TransferID, otherPeer peer.ID, isInitiator bool) error
	MarketPendingDeals(ctx context.Context) (PendingDealInfo, error)
	MarketPublishPendingDeals(ctx context.Context) error

	DealsImportData(ctx context.Context, dealPropCid cid.Cid, file string) error
	DealsList(ctx context.Context) ([]MarketDeal, error)
	DealsConsiderOnlineStorageDeals(context.Context) (bool, error)
	DealsSetConsiderOnlineStorageDeals(context.Context, bool) error
	DealsConsiderOnlineRetrievalDeals(context.Context) (bool, error)
	DealsSetConsiderOnlineRetrievalDeals(context.Context, bool) error
	DealsPieceCidBlocklist(context.Context) ([]cid.Cid, error)
	DealsSetPieceCidBlocklist(context.Context, []cid.Cid) error
	DealsConsiderOfflineStorageDeals(context.Context) (bool, error)
	DealsSetConsiderOfflineStorageDeals(context.Context, bool) error
	DealsConsiderOfflineRetrievalDeals(context.Context) (bool, error)
	DealsSetConsiderOfflineRetrievalDeals(context.Context, bool) error

	StorageAddLocal(ctx context.Context, path string) error

	PiecesListPieces(ctx context.Context) ([]cid.Cid, error)
	PiecesListCidInfos(ctx context.Context) ([]cid.Cid, error)
	PiecesGetPieceInfo(ctx context.Context, pieceCid cid.Cid) (*piecestore.PieceInfo, error)
	PiecesGetCIDInfo(ctx context.Context, payloadCid cid.Cid) (*piecestore.CIDInfo, error)

	// CreateBackup creates node backup onder the specified file name. The
	// method requires that the epik-miner is running with the
	// EPIK_BACKUP_BASE_PATH environment variable set to some path, and that
	// the path specified when calling CreateBackup is within the base path
	CreateBackup(ctx context.Context, fpath string) error

	CheckProvable(ctx context.Context, pp abi.RegisteredPoStProof, sectors []storage.SectorRef, expensive bool) (map[abi.SectorNumber]string, error)
}

type SyncState struct {
	ActiveSyncs []ActiveSync

	VMApplied uint64
}

type SyncStateStage int

type Version uint32

type VoucherCreateResult struct {
	// Voucher that was created, or nil if there was an error or if there
	// were insufficient funds in the channel
	Voucher *paych.SignedVoucher
	// Shortfall is the additional amount that would be needed in the channel
	// in order to be able to create the voucher
	Shortfall types.BigInt
}

type VoucherSpec struct {
	Amount      types.BigInt
	TimeLockMin abi.ChainEpoch
	TimeLockMax abi.ChainEpoch
	MinSettle   abi.ChainEpoch

	Extra *paych.ModVerifyParams
}

type WalletAPI interface {
	WalletNew(context.Context, types.KeyType) (address.Address, error)
	WalletHas(context.Context, address.Address) (bool, error)
	WalletList(context.Context) ([]address.Address, error)

	WalletSign(ctx context.Context, signer address.Address, toSign []byte, meta MsgMeta) (*crypto.Signature, error)

	WalletExport(context.Context, address.Address) (*types.KeyInfo, error)
	WalletImport(context.Context, *types.KeyInfo) (address.Address, error)
	WalletDelete(context.Context, address.Address) error
}

type WorkerAPI interface {
	Version(context.Context) (Version, error)

	TaskTypes(context.Context) (map[sealtasks.TaskType]struct{}, error) // TaskType -> Weight
	Paths(context.Context) ([]stores.StoragePath, error)
	Info(context.Context) (storiface.WorkerInfo, error)

	storiface.WorkerCalls

	TaskDisable(ctx context.Context, tt sealtasks.TaskType) error
	TaskEnable(ctx context.Context, tt sealtasks.TaskType) error

	// Storage / Other
	Remove(ctx context.Context, sector abi.SectorID) error

	StorageAddLocal(ctx context.Context, path string) error

	// SetEnabled marks the worker as enabled/disabled. Not that this setting
	// may take a few seconds to propagate to task scheduler
	SetEnabled(ctx context.Context, enabled bool) error

	Enabled(ctx context.Context) (bool, error)

	// WaitQuiet blocks until there are no tasks running
	WaitQuiet(ctx context.Context) error

	// returns a random UUID of worker session, generated randomly when worker
	// process starts
	ProcessSession(context.Context) (uuid.UUID, error)

	// Like ProcessSession, but returns an error when worker is disabled
	Session(context.Context) (uuid.UUID, error)
}