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datacap.go
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datacap.go
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package datacap
import (
"github.com/ipfs/go-cid"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/abi"
actorstypes "github.com/filecoin-project/go-state-types/actors"
builtin13 "github.com/filecoin-project/go-state-types/builtin"
"github.com/filecoin-project/go-state-types/cbor"
"github.com/filecoin-project/go-state-types/manifest"
lotusactors "github.com/filecoin-project/lotus/chain/actors"
"github.com/filecoin-project/lotus/chain/actors/adt"
"github.com/filecoin-project/lotus/chain/types"
)
var (
Address = builtin13.DatacapActorAddr
Methods = builtin13.MethodsDatacap
)
func Load(store adt.Store, act *types.Actor) (State, error) {
if name, av, ok := lotusactors.GetActorMetaByCode(act.Code); ok {
if name != manifest.DatacapKey {
return nil, xerrors.Errorf("actor code is not datacap: %s", name)
}
switch av {
case actorstypes.Version9:
return load9(store, act.Head)
case actorstypes.Version10:
return load10(store, act.Head)
case actorstypes.Version11:
return load11(store, act.Head)
case actorstypes.Version12:
return load12(store, act.Head)
case actorstypes.Version13:
return load13(store, act.Head)
}
}
return nil, xerrors.Errorf("unknown actor code %s", act.Code)
}
func MakeState(store adt.Store, av actorstypes.Version, governor address.Address, bitwidth uint64) (State, error) {
switch av {
case actorstypes.Version9:
return make9(store, governor, bitwidth)
case actorstypes.Version10:
return make10(store, governor, bitwidth)
case actorstypes.Version11:
return make11(store, governor, bitwidth)
case actorstypes.Version12:
return make12(store, governor, bitwidth)
case actorstypes.Version13:
return make13(store, governor, bitwidth)
default:
return nil, xerrors.Errorf("datacap actor only valid for actors v9 and above, got %d", av)
}
}
type State interface {
cbor.Marshaler
Code() cid.Cid
ActorKey() string
ActorVersion() actorstypes.Version
ForEachClient(func(addr address.Address, dcap abi.StoragePower) error) error
VerifiedClientDataCap(address.Address) (bool, abi.StoragePower, error)
Governor() (address.Address, error)
GetState() interface{}
VerifiedClients() (adt.Map, error)
VerifiedClientsMapBitWidth() int
VerifiedClientsMapHashFunction() func(input []byte) []byte
}
func AllCodes() []cid.Cid {
return []cid.Cid{
(&state9{}).Code(),
(&state10{}).Code(),
(&state11{}).Code(),
(&state12{}).Code(),
(&state13{}).Code(),
}
}
func VersionCodes() map[actorstypes.Version]cid.Cid {
return map[actorstypes.Version]cid.Cid{
actorstypes.Version9: (&state9{}).Code(),
actorstypes.Version10: (&state10{}).Code(),
actorstypes.Version11: (&state11{}).Code(),
actorstypes.Version12: (&state12{}).Code(),
actorstypes.Version13: (&state13{}).Code(),
}
}