lotus/chain/actors/adt/adt.go

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package adt
import (
"github.com/ipfs/go-cid"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/go-state-types/cbor"
"github.com/filecoin-project/go-state-types/network"
"github.com/filecoin-project/lotus/chain/actors/builtin"
v0adt "github.com/filecoin-project/specs-actors/actors/util/adt"
)
type Map interface {
Root() (cid.Cid, error)
Put(k abi.Keyer, v cbor.Marshaler) error
Get(k abi.Keyer, v cbor.Unmarshaler) (bool, error)
Delete(k abi.Keyer) error
ForEach(v cbor.Unmarshaler, fn func(key string) error) error
}
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func AsMap(store Store, root cid.Cid, version builtin.Version) (Map, error) {
switch version {
case builtin.Version0:
return v0adt.AsMap(store, root)
}
return nil, xerrors.Errorf("unknown network version: %d", version)
}
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func NewMap(store Store, version builtin.Version) (Map, error) {
switch version {
case builtin.Version0:
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return v0adt.MakeEmptyMap(store), nil
}
return nil, xerrors.Errorf("unknown network version: %d", version)
}
type Array interface {
Root() (cid.Cid, error)
Set(idx uint64, v cbor.Marshaler) error
Get(idx uint64, v cbor.Unmarshaler) (bool, error)
Delete(idx uint64) error
Length() uint64
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ForEach(v cbor.Unmarshaler, fn func(idx int64) error) error
}
func AsArray(store Store, root cid.Cid, version network.Version) (Array, error) {
switch builtin.VersionForNetwork(version) {
case builtin.Version0:
return v0adt.AsArray(store, root)
}
return nil, xerrors.Errorf("unknown network version: %d", version)
}