d9656f5220
This will make it easier to load arbitrary actors. We can: * Type switch (sort of unsafe, may want marker methods?) * Use this with `vm.MutateActorState`.
77 lines
2.0 KiB
Go
77 lines
2.0 KiB
Go
package init
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import (
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/ipfs/go-cid"
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cbg "github.com/whyrusleeping/cbor-gen"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/lotus/chain/actors/adt"
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"github.com/filecoin-project/lotus/node/modules/dtypes"
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init0 "github.com/filecoin-project/specs-actors/actors/builtin/init"
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adt0 "github.com/filecoin-project/specs-actors/actors/util/adt"
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)
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var _ State = (*state0)(nil)
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func load0(store adt.Store, root cid.Cid) (State, error) {
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out := state0{store: store}
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err := store.Get(store.Context(), root, &out)
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if err != nil {
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return nil, err
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}
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return &out, nil
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}
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type state0 struct {
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init0.State
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store adt.Store
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}
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func (s *state0) ResolveAddress(address address.Address) (address.Address, bool, error) {
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return s.State.ResolveAddress(s.store, address)
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}
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func (s *state0) MapAddressToNewID(address address.Address) (address.Address, error) {
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return s.State.MapAddressToNewID(s.store, address)
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}
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func (s *state0) ForEachActor(cb func(id abi.ActorID, address address.Address) error) error {
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addrs, err := adt0.AsMap(s.store, s.State.AddressMap)
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if err != nil {
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return err
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}
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var actorID cbg.CborInt
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return addrs.ForEach(&actorID, func(key string) error {
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addr, err := address.NewFromBytes([]byte(key))
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if err != nil {
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return err
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}
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return cb(abi.ActorID(actorID), addr)
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})
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}
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func (s *state0) NetworkName() (dtypes.NetworkName, error) {
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return dtypes.NetworkName(s.State.NetworkName), nil
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}
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func (s *state0) Remove(addrs ...address.Address) (err error) {
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m, err := adt0.AsMap(s.store, s.State.AddressMap)
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if err != nil {
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return err
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}
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for _, addr := range addrs {
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if err = m.Delete(abi.AddrKey(addr)); err != nil {
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return xerrors.Errorf("failed to delete entry for address: %s; err: %w", addr, err)
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}
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}
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amr, err := m.Root()
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if err != nil {
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return xerrors.Errorf("failed to get address map root: %w", err)
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}
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s.State.AddressMap = amr
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return nil
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}
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