46 lines
1.4 KiB
Go
46 lines
1.4 KiB
Go
package vm
|
|
|
|
import (
|
|
"context"
|
|
"os"
|
|
|
|
cid "github.com/ipfs/go-cid"
|
|
|
|
"github.com/filecoin-project/go-state-types/network"
|
|
|
|
"github.com/filecoin-project/lotus/chain/types"
|
|
)
|
|
|
|
// stat counters
|
|
var (
|
|
StatSends uint64
|
|
StatApplied uint64
|
|
)
|
|
|
|
type Interface interface {
|
|
// Applies the given message onto the VM's current state, returning the result of the execution
|
|
ApplyMessage(ctx context.Context, cmsg types.ChainMsg) (*ApplyRet, error)
|
|
// Same as above but for system messages (the Cron invocation and block reward payments).
|
|
// Must NEVER fail.
|
|
ApplyImplicitMessage(ctx context.Context, msg *types.Message) (*ApplyRet, error)
|
|
// Flush all buffered objects into the state store provided to the VM at construction.
|
|
Flush(ctx context.Context) (cid.Cid, error)
|
|
}
|
|
|
|
// WARNING: You will not affect your node's execution by misusing this feature, but you will confuse yourself thoroughly!
|
|
// An envvar that allows the user to specify debug actors bundles to be used by the FVM
|
|
// alongside regular execution. This is basically only to be used to print out specific logging information.
|
|
// Message failures, unexpected terminations,gas costs, etc. should all be ignored.
|
|
var useFvmDebug = os.Getenv("LOTUS_FVM_DEVELOPER_DEBUG") == "1"
|
|
|
|
func NewVM(ctx context.Context, opts *VMOpts) (Interface, error) {
|
|
if opts.NetworkVersion >= network.Version16 {
|
|
if useFvmDebug {
|
|
return NewDualExecutionFVM(ctx, opts)
|
|
}
|
|
return NewFVM(ctx, opts)
|
|
}
|
|
|
|
return NewLegacyVM(ctx, opts)
|
|
}
|