ceremonyclient/node/execution/nop/nop_execution_engine.go

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2023-09-03 23:47:09 +00:00
package nop
import (
"github.com/pkg/errors"
"go.uber.org/zap"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/types/known/anypb"
"source.quilibrium.com/quilibrium/monorepo/node/execution"
"source.quilibrium.com/quilibrium/monorepo/node/protobufs"
)
type NopExecutionEngine struct {
logger *zap.Logger
}
func NewNopExecutionEngine(
logger *zap.Logger,
) *NopExecutionEngine {
if logger == nil {
panic(errors.New("logger is nil"))
}
return &NopExecutionEngine{
logger: logger,
}
}
var _ execution.ExecutionEngine = (*NopExecutionEngine)(nil)
// GetName implements ExecutionEngine
func (*NopExecutionEngine) GetName() string {
return "nop"
}
// GetSupportedApplications implements ExecutionEngine
func (
*NopExecutionEngine,
) GetSupportedApplications() []*protobufs.Application {
return []*protobufs.Application{
{
Address: []byte{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
},
ExecutionContext: protobufs.ExecutionContext_EXECUTION_CONTEXT_INTRINSIC,
},
}
}
// Start implements ExecutionEngine
func (e *NopExecutionEngine) Start() <-chan error {
errChan := make(chan error)
go func() {
errChan <- nil
}()
return errChan
}
// Stop implements ExecutionEngine
func (*NopExecutionEngine) Stop(force bool) <-chan error {
errChan := make(chan error)
go func() {
errChan <- nil
}()
return errChan
}
// ProcessMessage implements ExecutionEngine
func (e *NopExecutionEngine) ProcessMessage(
address []byte,
message *protobufs.Message,
) ([]*protobufs.Message, error) {
any := &anypb.Any{}
if err := proto.Unmarshal(message.Payload, any); err != nil {
return nil, errors.Wrap(err, "could not unmarshal message")
}
if any.TypeUrl == protobufs.ClockFrameType {
frame := &protobufs.ClockFrame{}
if err := any.UnmarshalTo(frame); err != nil {
return nil, errors.Wrap(err, "could not unmarshal clock frame")
}
e.logger.Info("nop")
}
return nil, nil
}