lotus/chain/actors/builtin/power/v0.go
Steven Allen d9656f5220 add a generic load method for actor state
This will make it easier to load arbitrary actors. We can:

* Type switch (sort of unsafe, may want marker methods?)
* Use this with `vm.MutateActorState`.
2020-09-25 12:49:39 -07:00

99 lines
2.4 KiB
Go

package power
import (
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/abi"
"github.com/ipfs/go-cid"
"github.com/filecoin-project/lotus/chain/actors/adt"
"github.com/filecoin-project/lotus/chain/actors/builtin"
power0 "github.com/filecoin-project/specs-actors/actors/builtin/power"
adt0 "github.com/filecoin-project/specs-actors/actors/util/adt"
)
var _ State = (*state0)(nil)
func load0(store adt.Store, root cid.Cid) (State, error) {
out := state0{store: store}
err := store.Get(store.Context(), root, &out)
if err != nil {
return nil, err
}
return &out, nil
}
type state0 struct {
power0.State
store adt.Store
}
func (s *state0) TotalLocked() (abi.TokenAmount, error) {
return s.TotalPledgeCollateral, nil
}
func (s *state0) TotalPower() (Claim, error) {
return Claim{
RawBytePower: s.TotalRawBytePower,
QualityAdjPower: s.TotalQualityAdjPower,
}, nil
}
// Committed power to the network. Includes miners below the minimum threshold.
func (s *state0) TotalCommitted() (Claim, error) {
return Claim{
RawBytePower: s.TotalBytesCommitted,
QualityAdjPower: s.TotalQABytesCommitted,
}, nil
}
func (s *state0) MinerPower(addr address.Address) (Claim, bool, error) {
claims, err := adt0.AsMap(s.store, s.Claims)
if err != nil {
return Claim{}, false, err
}
var claim power0.Claim
ok, err := claims.Get(abi.AddrKey(addr), &claim)
if err != nil {
return Claim{}, false, err
}
return Claim{
RawBytePower: claim.RawBytePower,
QualityAdjPower: claim.QualityAdjPower,
}, ok, nil
}
func (s *state0) MinerNominalPowerMeetsConsensusMinimum(a address.Address) (bool, error) {
return s.State.MinerNominalPowerMeetsConsensusMinimum(s.store, a)
}
func (s *state0) TotalPowerSmoothed() (builtin.FilterEstimate, error) {
return builtin.FromV0FilterEstimate(*s.State.ThisEpochQAPowerSmoothed), nil
}
func (s *state0) MinerCounts() (uint64, uint64, error) {
return uint64(s.State.MinerAboveMinPowerCount), uint64(s.State.MinerCount), nil
}
func (s *state0) ListAllMiners() ([]address.Address, error) {
claims, err := adt0.AsMap(s.store, s.Claims)
if err != nil {
return nil, err
}
var miners []address.Address
err = claims.ForEach(nil, func(k string) error {
a, err := address.NewFromBytes([]byte(k))
if err != nil {
return err
}
miners = append(miners, a)
return nil
})
if err != nil {
return nil, err
}
return miners, nil
}