lotus/chain/vm/fvm.go
2022-02-08 15:26:20 -08:00

121 lines
3.0 KiB
Go

package vm
import (
"context"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/go-state-types/exitcode"
"golang.org/x/xerrors"
"github.com/filecoin-project/lotus/blockstore"
ffi "github.com/filecoin-project/filecoin-ffi"
ffi_cgo "github.com/filecoin-project/filecoin-ffi/cgo"
"github.com/filecoin-project/lotus/chain/types"
"github.com/ipfs/go-cid"
)
var _ VMI = (*FVM)(nil)
type FvmExtern struct {
Rand
blockstore.Blockstore
}
func (x *FvmExtern) VerifyConsensusFault(ctx context.Context, h1, h2, extra []byte) (*ffi_cgo.ConsensusFault, error) {
// TODO
panic("unimplemented")
}
type FVM struct {
fvm *ffi.FVM
}
func NewFVM(ctx context.Context, opts *VMOpts) (*FVM, error) {
fvm, err := ffi.CreateFVM(0,
&FvmExtern{Rand: opts.Rand, Blockstore: opts.Bstore},
opts.Epoch, opts.BaseFee, opts.FilVested, opts.NetworkVersion, opts.StateBase,
)
if err != nil {
return nil, err
}
return &FVM{
fvm: fvm,
}, nil
}
func (vm *FVM) ApplyMessage(ctx context.Context, cmsg types.ChainMsg) (*ApplyRet, error) {
msgBytes, err := cmsg.VMMessage().Serialize()
if err != nil {
return nil, xerrors.Errorf("serializing msg: %w", err)
}
ret, err := vm.fvm.ApplyMessage(msgBytes, uint(cmsg.ChainLength()))
if err != nil {
return nil, xerrors.Errorf("applying msg: %w", err)
}
return &ApplyRet{
MessageReceipt: types.MessageReceipt{
Return: ret.Return,
ExitCode: exitcode.ExitCode(ret.ExitCode),
GasUsed: ret.GasUsed,
},
GasCosts: &GasOutputs{
// TODO: do the other optional fields eventually
BaseFeeBurn: abi.TokenAmount{},
OverEstimationBurn: abi.TokenAmount{},
MinerPenalty: ret.MinerPenalty,
MinerTip: ret.MinerTip,
Refund: abi.TokenAmount{},
GasRefund: 0,
GasBurned: 0,
},
// TODO: do these eventually, not consensus critical
ActorErr: nil,
ExecutionTrace: types.ExecutionTrace{},
Duration: 0,
}, nil
}
func (vm *FVM) ApplyImplicitMessage(ctx context.Context, cmsg *types.Message) (*ApplyRet, error) {
msgBytes, err := cmsg.VMMessage().Serialize()
if err != nil {
return nil, xerrors.Errorf("serializing msg: %w", err)
}
ret, err := vm.fvm.ApplyImplicitMessage(msgBytes)
if err != nil {
return nil, xerrors.Errorf("applying msg: %w", err)
}
return &ApplyRet{
MessageReceipt: types.MessageReceipt{
Return: ret.Return,
ExitCode: exitcode.ExitCode(ret.ExitCode),
GasUsed: ret.GasUsed,
},
GasCosts: &GasOutputs{
// TODO: do the other optional fields eventually
BaseFeeBurn: abi.TokenAmount{},
OverEstimationBurn: abi.TokenAmount{},
MinerPenalty: ret.MinerPenalty,
MinerTip: ret.MinerTip,
Refund: abi.TokenAmount{},
GasRefund: 0,
GasBurned: 0,
},
// TODO: do these eventually, not consensus critical
ActorErr: nil,
ExecutionTrace: types.ExecutionTrace{},
Duration: 0,
}, nil
}
func (vm *FVM) Flush(ctx context.Context) (cid.Cid, error) {
return vm.fvm.Flush()
}