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state.v3.go
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state.v3.go
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// FETCHED FROM LOTUS: builtin/init/state.go.template
package init
import (
"crypto/sha256"
"fmt"
"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"
actorstypes "github.com/filecoin-project/go-state-types/actors"
"github.com/filecoin-project/venus/venus-shared/actors"
"github.com/filecoin-project/venus/venus-shared/actors/adt"
"github.com/filecoin-project/go-state-types/manifest"
builtin3 "github.com/filecoin-project/specs-actors/v3/actors/builtin"
init3 "github.com/filecoin-project/specs-actors/v3/actors/builtin/init"
adt3 "github.com/filecoin-project/specs-actors/v3/actors/util/adt"
)
var _ State = (*state3)(nil)
func load3(store adt.Store, root cid.Cid) (State, error) {
out := state3{store: store}
err := store.Get(store.Context(), root, &out)
if err != nil {
return nil, err
}
return &out, nil
}
func make3(store adt.Store, networkName string) (State, error) {
out := state3{store: store}
s, err := init3.ConstructState(store, networkName)
if err != nil {
return nil, err
}
out.State = *s
return &out, nil
}
type state3 struct {
init3.State
store adt.Store
}
func (s *state3) ResolveAddress(address address.Address) (address.Address, bool, error) {
return s.State.ResolveAddress(s.store, address)
}
func (s *state3) MapAddressToNewID(address address.Address) (address.Address, error) {
return s.State.MapAddressToNewID(s.store, address)
}
func (s *state3) ForEachActor(cb func(id abi.ActorID, address address.Address) error) error {
addrs, err := adt3.AsMap(s.store, s.State.AddressMap, builtin3.DefaultHamtBitwidth)
if err != nil {
return err
}
var actorID cbg.CborInt
return addrs.ForEach(&actorID, func(key string) error {
addr, err := address.NewFromBytes([]byte(key))
if err != nil {
return err
}
return cb(abi.ActorID(actorID), addr)
})
}
func (s *state3) NetworkName() (string, error) {
return string(s.State.NetworkName), nil
}
func (s *state3) SetNetworkName(name string) error {
s.State.NetworkName = name
return nil
}
func (s *state3) SetNextID(id abi.ActorID) error {
s.State.NextID = id
return nil
}
func (s *state3) Remove(addrs ...address.Address) (err error) {
m, err := adt3.AsMap(s.store, s.State.AddressMap, builtin3.DefaultHamtBitwidth)
if err != nil {
return err
}
for _, addr := range addrs {
if err = m.Delete(abi.AddrKey(addr)); err != nil {
return fmt.Errorf("failed to delete entry for address: %s; err: %w", addr, err)
}
}
amr, err := m.Root()
if err != nil {
return fmt.Errorf("failed to get address map root: %w", err)
}
s.State.AddressMap = amr
return nil
}
func (s *state3) SetAddressMap(mcid cid.Cid) error {
s.State.AddressMap = mcid
return nil
}
func (s *state3) GetState() interface{} {
return &s.State
}
func (s *state3) AddressMap() (adt.Map, error) {
return adt3.AsMap(s.store, s.State.AddressMap, builtin3.DefaultHamtBitwidth)
}
func (s *state3) AddressMapBitWidth() int {
return builtin3.DefaultHamtBitwidth
}
func (s *state3) AddressMapHashFunction() func(input []byte) []byte {
return func(input []byte) []byte {
res := sha256.Sum256(input)
return res[:]
}
}
func (s *state3) ActorKey() string {
return manifest.InitKey
}
func (s *state3) ActorVersion() actorstypes.Version {
return actorstypes.Version3
}
func (s *state3) 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
}