lotus/chain/actors/builtin/power/power.go
2020-10-28 16:52:52 -07:00

81 lines
2.4 KiB
Go

package power
import (
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/big"
"github.com/ipfs/go-cid"
cbg "github.com/whyrusleeping/cbor-gen"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/go-state-types/cbor"
"github.com/filecoin-project/lotus/chain/actors/adt"
"github.com/filecoin-project/lotus/chain/actors/builtin"
"github.com/filecoin-project/lotus/chain/types"
builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
)
func init() {
builtin.RegisterActorState(builtin0.StoragePowerActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
return load0(store, root)
})
builtin.RegisterActorState(builtin2.StoragePowerActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
return load2(store, root)
})
}
var (
Address = builtin2.StoragePowerActorAddr
Methods = builtin2.MethodsPower
)
func Load(store adt.Store, act *types.Actor) (st State, err error) {
switch act.Code {
case builtin0.StoragePowerActorCodeID:
return load0(store, act.Head)
case builtin2.StoragePowerActorCodeID:
return load2(store, act.Head)
}
return nil, xerrors.Errorf("unknown actor code %s", act.Code)
}
type State interface {
cbor.Marshaler
TotalLocked() (abi.TokenAmount, error)
TotalPower() (Claim, error)
TotalCommitted() (Claim, error)
TotalPowerSmoothed() (builtin.FilterEstimate, error)
// MinerCounts returns the number of miners. Participating is the number
// with power above the minimum miner threshold.
MinerCounts() (participating, total uint64, err error)
MinerPower(address.Address) (Claim, bool, error)
MinerNominalPowerMeetsConsensusMinimum(address.Address) (bool, error)
ListAllMiners() ([]address.Address, error)
ForEachClaim(func(miner address.Address, claim Claim) error) error
ClaimsChanged(State) (bool, error)
// Diff helpers. Used by Diff* functions internally.
claims() (adt.Map, error)
decodeClaim(*cbg.Deferred) (Claim, error)
}
type Claim struct {
// Sum of raw byte power for a miner's sectors.
RawBytePower abi.StoragePower
// Sum of quality adjusted power for a miner's sectors.
QualityAdjPower abi.StoragePower
}
func AddClaims(a Claim, b Claim) Claim {
return Claim{
RawBytePower: big.Add(a.RawBytePower, b.RawBytePower),
QualityAdjPower: big.Add(a.QualityAdjPower, b.QualityAdjPower),
}
}