278 lines
8.5 KiB
Go
278 lines
8.5 KiB
Go
package actors
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import (
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"context"
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"github.com/filecoin-project/go-lotus/chain/actors/aerrors"
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"github.com/filecoin-project/go-lotus/chain/address"
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"github.com/filecoin-project/go-lotus/chain/types"
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"golang.org/x/xerrors"
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cid "github.com/ipfs/go-cid"
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hamt "github.com/ipfs/go-hamt-ipld"
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cbor "github.com/ipfs/go-ipld-cbor"
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"github.com/libp2p/go-libp2p-core/peer"
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)
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func init() {
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cbor.RegisterCborType(StorageMinerActorState{})
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cbor.RegisterCborType(StorageMinerConstructorParams{})
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cbor.RegisterCborType(CommitSectorParams{})
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}
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var ProvingPeriodDuration = uint64(2 * 60) // an hour, for now
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const POST_SECTORS_COUNT = 8192
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type StorageMinerActor struct{}
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type StorageMinerActorState struct {
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// Account that owns this miner.
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// - Income and returned collateral are paid to this address.
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// - This address is also allowed to change the worker address for the miner.
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Owner address.Address
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// Worker account for this miner.
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// This will be the key that is used to sign blocks created by this miner, and
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// sign messages sent on behalf of this miner to commit sectors, submit PoSts, and
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// other day to day miner activities.
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Worker address.Address
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// Libp2p identity that should be used when connecting to this miner.
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PeerID peer.ID
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// Amount of space in each sector committed to the network by this miner.
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SectorSize types.BigInt
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// Collateral that is waiting to be withdrawn.
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DePledgedCollateral types.BigInt
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// Time at which the depledged collateral may be withdrawn.
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DePledgeTime types.BigInt
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// All sectors this miner has committed.
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Sectors cid.Cid // TODO: Using a HAMT for now, needs to be an AMT once we implement it
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SectorSetSize uint64 // TODO: the AMT should be able to tell us how many items are in it. This field won't be needed at that point
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// Sectors this miner is currently mining. It is only updated
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// when a PoSt is submitted (not as each new sector commitment is added).
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ProvingSet cid.Cid
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ProvingSetSize uint64
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// Sectors reported during the last PoSt submission as being 'done'. The collateral
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// for them is still being held until the next PoSt submission in case early sector
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// removal penalization is needed.
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//NextDoneSet BitField
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// Deals this miner has been slashed for since the last post submission.
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//TODO: unsupported map key type "Cid" (if you want to use struct keys, your atlas needs a transform to string)
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//ArbitratedDeals map[cid.Cid]struct{}
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// Amount of power this miner has.
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Power types.BigInt
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ProvingPeriodEnd uint64
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// List of sectors that this miner was slashed for.
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//SlashedSet SectorSet
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// The height at which this miner was slashed at.
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SlashedAt types.BigInt
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// The amount of storage collateral that is owed to clients, and cannot be used for collateral anymore.
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OwedStorageCollateral types.BigInt
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}
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type StorageMinerConstructorParams struct {
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Owner address.Address
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Worker address.Address
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SectorSize types.BigInt
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PeerID peer.ID
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}
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type maMethods struct {
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Constructor uint64
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CommitSector uint64
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SubmitPost uint64
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SlashStorageFault uint64
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GetCurrentProvingSet uint64
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ArbitrateDeal uint64
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DePledge uint64
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GetOwner uint64
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GetWorkerAddr uint64
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GetPower uint64
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GetPeerID uint64
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GetSectorSize uint64
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UpdatePeerID uint64
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ChangeWorker uint64
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}
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var MAMethods = maMethods{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}
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func (sma StorageMinerActor) Exports() []interface{} {
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return []interface{}{
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1: sma.StorageMinerConstructor,
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2: sma.CommitSector,
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//3: sma.SubmitPost,
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//4: sma.SlashStorageFault,
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//5: sma.GetCurrentProvingSet,
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//6: sma.ArbitrateDeal,
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//7: sma.DePledge,
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//8: sma.GetOwner,
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//9: sma.GetWorkerAddr,
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10: sma.GetPower,
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//11: sma.GetPeerID,
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//12: sma.GetSectorSize,
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//13: sma.UpdatePeerID,
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//14: sma.ChangeWorker,
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}
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}
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func (sma StorageMinerActor) StorageMinerConstructor(act *types.Actor, vmctx types.VMContext, params *StorageMinerConstructorParams) ([]byte, ActorError) {
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var self StorageMinerActorState
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self.Owner = params.Owner
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self.Worker = params.Worker
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self.PeerID = params.PeerID
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self.SectorSize = params.SectorSize
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nd := hamt.NewNode(vmctx.Ipld())
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sectors, nerr := vmctx.Ipld().Put(context.TODO(), nd)
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if nerr != nil {
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return nil, aerrors.Escalate(nerr, "could not put in storage")
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}
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self.Sectors = sectors
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self.ProvingSet = sectors
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storage := vmctx.Storage()
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c, err := storage.Put(self)
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if err != nil {
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return nil, err
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}
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if err := storage.Commit(EmptyCBOR, c); err != nil {
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return nil, err
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}
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return nil, nil
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}
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type CommitSectorParams struct {
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SectorId types.BigInt
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CommD []byte
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CommR []byte
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CommRStar []byte
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Proof []byte
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}
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func (sma StorageMinerActor) CommitSector(act *types.Actor, vmctx types.VMContext, params *CommitSectorParams) ([]byte, ActorError) {
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var self StorageMinerActorState
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oldstate := vmctx.Storage().GetHead()
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if err := vmctx.Storage().Get(oldstate, &self); err != nil {
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return nil, err
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}
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if !ValidatePoRep(self.SectorSize, params) {
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return nil, aerrors.New(1, "bad proof!")
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}
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// make sure the miner isnt trying to submit a pre-existing sector
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unique, err := SectorIsUnique(vmctx.Ipld(), self.Sectors, params.SectorId)
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if err != nil {
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return nil, err
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}
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if !unique {
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return nil, aerrors.New(2, "sector already committed!")
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}
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// Power of the miner after adding this sector
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futurePower := types.BigAdd(self.Power, self.SectorSize)
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collateralRequired := CollateralForPower(futurePower)
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if types.BigCmp(collateralRequired, act.Balance) < 0 {
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return nil, aerrors.New(3, "not enough collateral")
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}
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// ensure that the miner cannot commit more sectors than can be proved with a single PoSt
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if self.SectorSetSize >= POST_SECTORS_COUNT {
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return nil, aerrors.New(4, "too many sectors")
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}
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// Note: There must exist a unique index in the miner's sector set for each
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// sector ID. The `faults`, `recovered`, and `done` parameters of the
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// SubmitPoSt method express indices into this sector set.
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nssroot, err := AddToSectorSet(self.Sectors, params.SectorId, params.CommR, params.CommD)
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if err != nil {
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return nil, err
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}
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self.Sectors = nssroot
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// if miner is not mining, start their proving period now
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// Note: As written here, every miners first PoSt will only be over one sector.
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// We could set up a 'grace period' for starting mining that would allow miners
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// to submit several sectors for their first proving period. Alternatively, we
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// could simply make the 'CommitSector' call take multiple sectors at a time.
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//
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// Note: Proving period is a function of sector size; small sectors take less
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// time to prove than large sectors do. Sector size is selected when pledging.
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if self.ProvingSetSize == 0 {
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self.ProvingSet = self.Sectors
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self.ProvingSetSize = self.SectorSetSize
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self.ProvingPeriodEnd = vmctx.BlockHeight() + ProvingPeriodDuration
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}
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nstate, err := vmctx.Storage().Put(self)
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if err != nil {
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return nil, err
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}
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if err := vmctx.Storage().Commit(oldstate, nstate); err != nil {
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return nil, err
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}
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return nil, nil
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}
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func (sma StorageMinerActor) GetPower(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, ActorError) {
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var self StorageMinerActorState
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state := vmctx.Storage().GetHead()
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if err := vmctx.Storage().Get(state, &self); err != nil {
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return nil, err
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}
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return self.Power.Bytes(), nil
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}
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func SectorIsUnique(cst *hamt.CborIpldStore, sroot cid.Cid, sid types.BigInt) (bool, ActorError) {
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nd, err := hamt.LoadNode(context.TODO(), cst, sroot)
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if err != nil {
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return false, aerrors.Absorb(err, 1, "could not load node in HAMT")
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}
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if _, err := nd.Find(context.TODO(), sid.String()); err != nil {
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if xerrors.Is(err, hamt.ErrNotFound) {
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return true, nil
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}
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return false, aerrors.Absorb(err, 1, "could not find node in HAMT")
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}
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return false, nil
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}
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func AddToSectorSet(ss cid.Cid, sectorID types.BigInt, commR, commD []byte) (cid.Cid, ActorError) {
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panic("NYI")
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}
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func ValidatePoRep(ssize types.BigInt, params *CommitSectorParams) bool {
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return true
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}
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func CollateralForPower(power types.BigInt) types.BigInt {
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return types.BigMul(power, types.NewInt(10))
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/* TODO: this
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availableFil = FakeGlobalMethods.GetAvailableFil()
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totalNetworkPower = StorageMinerActor.GetTotalStorage()
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numMiners = StorageMarket.GetMinerCount()
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powerCollateral = availableFil * NetworkConstants.POWER_COLLATERAL_PROPORTION * power / totalNetworkPower
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perCapitaCollateral = availableFil * NetworkConstants.PER_CAPITA_COLLATERAL_PROPORTION / numMiners
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collateralRequired = math.Ceil(minerPowerCollateral + minerPerCapitaCollateral)
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return collateralRequired
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*/
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}
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