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v13.go
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v13.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"
datacap13 "github.com/filecoin-project/go-state-types/builtin/v13/datacap"
adt13 "github.com/filecoin-project/go-state-types/builtin/v13/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 = (*state13)(nil)
func load13(store adt.Store, root cid.Cid) (State, error) {
out := state13{store: store}
err := store.Get(store.Context(), root, &out)
if err != nil {
return nil, err
}
return &out, nil
}
func make13(store adt.Store, governor address.Address, bitwidth uint64) (State, error) {
out := state13{store: store}
s, err := datacap13.ConstructState(store, governor, bitwidth)
if err != nil {
return nil, err
}
out.State = *s
return &out, nil
}
type state13 struct {
datacap13.State
store adt.Store
}
func (s *state13) Governor() (address.Address, error) {
return s.State.Governor, nil
}
func (s *state13) GetState() interface{} {
return &s.State
}
func (s *state13) ForEachClient(cb func(addr address.Address, dcap abi.StoragePower) error) error {
return forEachClient(s.store, actorstypes.Version13, s.VerifiedClients, cb)
}
func (s *state13) VerifiedClients() (adt.Map, error) {
return adt13.AsMap(s.store, s.Token.Balances, int(s.Token.HamtBitWidth))
}
func (s *state13) VerifiedClientDataCap(addr address.Address) (bool, abi.StoragePower, error) {
return getDataCap(s.store, actorstypes.Version13, s.VerifiedClients, addr)
}
func (s *state13) VerifiedClientsMapBitWidth() int {
return int(s.Token.HamtBitWidth)
}
func (s *state13) VerifiedClientsMapHashFunction() func(input []byte) []byte {
return func(input []byte) []byte {
res := sha256.Sum256(input)
return res[:]
}
}
func (s *state13) ActorKey() string {
return manifest.DatacapKey
}
func (s *state13) ActorVersion() actorstypes.Version {
return actorstypes.Version13
}
func (s *state13) 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
}