lotus/chain/types/vmcontext.go
2020-01-14 03:05:46 +01:00

85 lines
2.2 KiB
Go

package types
import (
"context"
"github.com/filecoin-project/go-sectorbuilder"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-amt-ipld"
"github.com/filecoin-project/lotus/chain/actors/aerrors"
cid "github.com/ipfs/go-cid"
hamt "github.com/ipfs/go-hamt-ipld"
cbg "github.com/whyrusleeping/cbor-gen"
)
type Storage interface {
Put(cbg.CBORMarshaler) (cid.Cid, aerrors.ActorError)
Get(cid.Cid, cbg.CBORUnmarshaler) aerrors.ActorError
GetHead() cid.Cid
// Commit sets the new head of the actors state as long as the current
// state matches 'oldh'
Commit(oldh cid.Cid, newh cid.Cid) aerrors.ActorError
}
type StateTree interface {
SetActor(addr address.Address, act *Actor) error
GetActor(addr address.Address) (*Actor, error)
}
type VMContext interface {
Message() *Message
Origin() address.Address
Ipld() *hamt.CborIpldStore
Send(to address.Address, method uint64, value BigInt, params []byte) ([]byte, aerrors.ActorError)
BlockHeight() uint64
GasUsed() BigInt
Storage() Storage
StateTree() (StateTree, aerrors.ActorError)
VerifySignature(sig *Signature, from address.Address, data []byte) aerrors.ActorError
ChargeGas(uint64) aerrors.ActorError
GetRandomness(height uint64) ([]byte, aerrors.ActorError)
GetBalance(address.Address) (BigInt, aerrors.ActorError)
Sys() *VMSyscalls
Context() context.Context
}
type VMSyscalls struct {
ValidatePoRep func(context.Context, address.Address, uint64, []byte, []byte, []byte, []byte, []byte, uint64) (bool, aerrors.ActorError)
VerifyFallbackPost func(ctx context.Context,
sectorSize uint64,
sectorInfo sectorbuilder.SortedPublicSectorInfo,
challengeSeed []byte,
proof []byte,
candidates []sectorbuilder.EPostCandidate,
proverID address.Address,
faults uint64) (bool, error)
}
type storageWrapper struct {
s Storage
}
func (sw *storageWrapper) Put(i cbg.CBORMarshaler) (cid.Cid, error) {
c, err := sw.s.Put(i)
if err != nil {
return cid.Undef, err
}
return c, nil
}
func (sw *storageWrapper) Get(c cid.Cid, out cbg.CBORUnmarshaler) error {
if err := sw.s.Get(c, out); err != nil {
return err
}
return nil
}
func WrapStorage(s Storage) amt.Blocks {
return &storageWrapper{s}
}