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