lotus/chain/actors/builtin/init/actor.go.template

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package init
import (
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actorstypes "github.com/filecoin-project/go-state-types/actors"
"github.com/filecoin-project/lotus/chain/actors"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/go-state-types/cbor"
"github.com/ipfs/go-cid"
"github.com/filecoin-project/lotus/chain/actors/adt"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/node/modules/dtypes"
"github.com/filecoin-project/go-state-types/manifest"
{{range .versions}}
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{{if (le . 7)}}
builtin{{.}} "github.com/filecoin-project/specs-actors{{import .}}actors/builtin"
{{end}}
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{{end}}
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builtin{{.latestVersion}} "github.com/filecoin-project/go-state-types/builtin"
)
var (
Address = builtin{{.latestVersion}}.InitActorAddr
Methods = builtin{{.latestVersion}}.MethodsInit
)
func Load(store adt.Store, act *types.Actor) (State, error) {
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if name, av, ok := actors.GetActorMetaByCode(act.Code); ok {
if name != manifest.InitKey {
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return nil, xerrors.Errorf("actor code is not init: %s", name)
}
switch av {
{{range .versions}}
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{{if (ge . 8)}}
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case actorstypes.Version{{.}}:
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return load{{.}}(store, act.Head)
{{end}}
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{{end}}
}
}
switch act.Code {
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{{range .versions}}
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{{if (le . 7)}}
case builtin{{.}}.InitActorCodeID:
return load{{.}}(store, act.Head)
{{end}}
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{{end}}
}
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return nil, xerrors.Errorf("unknown actor code %s", act.Code)
}
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func MakeState(store adt.Store, av actorstypes.Version, networkName string) (State, error) {
switch av {
{{range .versions}}
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case actorstypes.Version{{.}}:
return make{{.}}(store, networkName)
{{end}}
}
return nil, xerrors.Errorf("unknown actor version %d", av)
}
type State interface {
cbor.Marshaler
Code() cid.Cid
ActorKey() string
ActorVersion() actorstypes.Version
ResolveAddress(address address.Address) (address.Address, bool, error)
MapAddressToNewID(address address.Address) (address.Address, error)
NetworkName() (dtypes.NetworkName, error)
ForEachActor(func(id abi.ActorID, address address.Address) error) error
// Remove exists to support tooling that manipulates state for testing.
// It should not be used in production code, as init actor entries are
// immutable.
Remove(addrs ...address.Address) error
// Sets the network's name. This should only be used on upgrade/fork.
SetNetworkName(name string) error
// Sets the next ID for the init actor. This should only be used for testing.
SetNextID(id abi.ActorID) error
// Sets the address map for the init actor. This should only be used for testing.
SetAddressMap(mcid cid.Cid) error
GetState() interface{}
AddressMap() (adt.Map, error)
AddressMapBitWidth() int
AddressMapHashFunction() func(input []byte) []byte
}
func AllCodes() []cid.Cid {
return []cid.Cid{ {{range .versions}}
(&state{{.}}{}).Code(),
{{- end}}
}
}