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v9.go
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v9.go
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package datacap
import (
"crypto/sha256"
"fmt"
"github.com/ipfs/go-cid"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/abi"
actorstypes "github.com/filecoin-project/go-state-types/actors"
datacap9 "github.com/filecoin-project/go-state-types/builtin/v9/datacap"
adt9 "github.com/filecoin-project/go-state-types/builtin/v9/util/adt"
"github.com/filecoin-project/go-state-types/manifest"
"github.com/filecoin-project/lotus/chain/actors"
"github.com/filecoin-project/lotus/chain/actors/adt"
)
var _ State = (*state9)(nil)
func load9(store adt.Store, root cid.Cid) (State, error) {
out := state9{store: store}
err := store.Get(store.Context(), root, &out)
if err != nil {
return nil, err
}
return &out, nil
}
func make9(store adt.Store, governor address.Address, bitwidth uint64) (State, error) {
out := state9{store: store}
s, err := datacap9.ConstructState(store, governor, bitwidth)
if err != nil {
return nil, err
}
out.State = *s
return &out, nil
}
type state9 struct {
datacap9.State
store adt.Store
}
func (s *state9) Governor() (address.Address, error) {
return s.State.Governor, nil
}
func (s *state9) GetState() interface{} {
return &s.State
}
func (s *state9) ForEachClient(cb func(addr address.Address, dcap abi.StoragePower) error) error {
return forEachClient(s.store, actorstypes.Version9, s.VerifiedClients, cb)
}
func (s *state9) VerifiedClients() (adt.Map, error) {
return adt9.AsMap(s.store, s.Token.Balances, int(s.Token.HamtBitWidth))
}
func (s *state9) VerifiedClientDataCap(addr address.Address) (bool, abi.StoragePower, error) {
return getDataCap(s.store, actorstypes.Version9, s.VerifiedClients, addr)
}
func (s *state9) VerifiedClientsMapBitWidth() int {
return int(s.Token.HamtBitWidth)
}
func (s *state9) VerifiedClientsMapHashFunction() func(input []byte) []byte {
return func(input []byte) []byte {
res := sha256.Sum256(input)
return res[:]
}
}
func (s *state9) ActorKey() string {
return manifest.DatacapKey
}
func (s *state9) ActorVersion() actorstypes.Version {
return actorstypes.Version9
}
func (s *state9) Code() cid.Cid {
code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
if !ok {
panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
}
return code
}