lotus/chain/actors/builtin/power/v4.go
2021-05-09 21:04:50 -04:00

151 lines
3.6 KiB
Go

package power
import (
"bytes"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/abi"
"github.com/ipfs/go-cid"
cbg "github.com/whyrusleeping/cbor-gen"
"github.com/filecoin-project/lotus/chain/actors/adt"
"github.com/filecoin-project/lotus/chain/actors/builtin"
builtin4 "github.com/filecoin-project/specs-actors/v4/actors/builtin"
power4 "github.com/filecoin-project/specs-actors/v4/actors/builtin/power"
adt4 "github.com/filecoin-project/specs-actors/v4/actors/util/adt"
)
var _ State = (*state4)(nil)
func load4(store adt.Store, root cid.Cid) (State, error) {
out := state4{store: store}
err := store.Get(store.Context(), root, &out)
if err != nil {
return nil, err
}
return &out, nil
}
type state4 struct {
power4.State
store adt.Store
}
func (s *state4) TotalLocked() (abi.TokenAmount, error) {
return s.TotalPledgeCollateral, nil
}
func (s *state4) 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 *state4) TotalCommitted() (Claim, error) {
return Claim{
RawBytePower: s.TotalBytesCommitted,
QualityAdjPower: s.TotalQABytesCommitted,
}, nil
}
func (s *state4) MinerPower(addr address.Address) (Claim, bool, error) {
claims, err := s.claims()
if err != nil {
return Claim{}, false, err
}
var claim power4.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 *state4) MinerNominalPowerMeetsConsensusMinimum(a address.Address) (bool, error) {
return s.State.MinerNominalPowerMeetsConsensusMinimum(s.store, a)
}
func (s *state4) TotalPowerSmoothed() (builtin.FilterEstimate, error) {
return builtin.FromV4FilterEstimate(s.State.ThisEpochQAPowerSmoothed), nil
}
func (s *state4) MinerCounts() (uint64, uint64, error) {
return uint64(s.State.MinerAboveMinPowerCount), uint64(s.State.MinerCount), nil
}
func (s *state4) ListAllMiners() ([]address.Address, error) {
claims, err := 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
}
func (s *state4) ForEachClaim(cb func(miner address.Address, claim Claim) error) error {
claims, err := s.claims()
if err != nil {
return err
}
var claim power4.Claim
return claims.ForEach(&claim, func(k string) error {
a, err := address.NewFromBytes([]byte(k))
if err != nil {
return err
}
return cb(a, Claim{
RawBytePower: claim.RawBytePower,
QualityAdjPower: claim.QualityAdjPower,
})
})
}
func (s *state4) ClaimsChanged(other State) (bool, error) {
other4, ok := other.(*state4)
if !ok {
// treat an upgrade as a change, always
return true, nil
}
return !s.State.Claims.Equals(other4.State.Claims), nil
}
func (s *state4) claims() (adt.Map, error) {
return adt4.AsMap(s.store, s.Claims, builtin4.DefaultHamtBitwidth)
}
func (s *state4) decodeClaim(val *cbg.Deferred) (Claim, error) {
var ci power4.Claim
if err := ci.UnmarshalCBOR(bytes.NewReader(val.Raw)); err != nil {
return Claim{}, err
}
return fromV4Claim(ci), nil
}
func fromV4Claim(v4 power4.Claim) Claim {
return Claim{
RawBytePower: v4.RawBytePower,
QualityAdjPower: v4.QualityAdjPower,
}
}