lotus/chain/actors/builtin/power/state.go.template
2021-05-10 19:46:44 -04:00

152 lines
3.8 KiB
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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"
{{if (ge .v 3)}}
builtin{{.v}} "github.com/filecoin-project/specs-actors{{.import}}actors/builtin"
{{end}}
power{{.v}} "github.com/filecoin-project/specs-actors{{.import}}actors/builtin/power"
adt{{.v}} "github.com/filecoin-project/specs-actors{{.import}}actors/util/adt"
)
var _ State = (*state{{.v}})(nil)
func load{{.v}}(store adt.Store, root cid.Cid) (State, error) {
out := state{{.v}}{store: store}
err := store.Get(store.Context(), root, &out)
if err != nil {
return nil, err
}
return &out, nil
}
type state{{.v}} struct {
power{{.v}}.State
store adt.Store
}
func (s *state{{.v}}) TotalLocked() (abi.TokenAmount, error) {
return s.TotalPledgeCollateral, nil
}
func (s *state{{.v}}) 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 *state{{.v}}) TotalCommitted() (Claim, error) {
return Claim{
RawBytePower: s.TotalBytesCommitted,
QualityAdjPower: s.TotalQABytesCommitted,
}, nil
}
func (s *state{{.v}}) MinerPower(addr address.Address) (Claim, bool, error) {
claims, err := s.claims()
if err != nil {
return Claim{}, false, err
}
var claim power{{.v}}.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 *state{{.v}}) MinerNominalPowerMeetsConsensusMinimum(a address.Address) (bool, error) {
return s.State.MinerNominalPowerMeetsConsensusMinimum(s.store, a)
}
func (s *state{{.v}}) TotalPowerSmoothed() (builtin.FilterEstimate, error) {
return builtin.FromV{{.v}}FilterEstimate({{if (le .v 1)}}*{{end}}s.State.ThisEpochQAPowerSmoothed), nil
}
func (s *state{{.v}}) MinerCounts() (uint64, uint64, error) {
return uint64(s.State.MinerAboveMinPowerCount), uint64(s.State.MinerCount), nil
}
func (s *state{{.v}}) 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 *state{{.v}}) ForEachClaim(cb func(miner address.Address, claim Claim) error) error {
claims, err := s.claims()
if err != nil {
return err
}
var claim power{{.v}}.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 *state{{.v}}) ClaimsChanged(other State) (bool, error) {
other{{.v}}, ok := other.(*state{{.v}})
if !ok {
// treat an upgrade as a change, always
return true, nil
}
return !s.State.Claims.Equals(other{{.v}}.State.Claims), nil
}
func (s *state{{.v}}) claims() (adt.Map, error) {
return adt{{.v}}.AsMap(s.store, s.Claims{{if (ge .v 3)}}, builtin{{.v}}.DefaultHamtBitwidth{{end}})
}
func (s *state{{.v}}) decodeClaim(val *cbg.Deferred) (Claim, error) {
var ci power{{.v}}.Claim
if err := ci.UnmarshalCBOR(bytes.NewReader(val.Raw)); err != nil {
return Claim{}, err
}
return fromV{{.v}}Claim(ci), nil
}
func fromV{{.v}}Claim(v{{.v}} power{{.v}}.Claim) Claim {
return Claim{
RawBytePower: v{{.v}}.RawBytePower,
QualityAdjPower: v{{.v}}.QualityAdjPower,
}
}