Perlin Avalanche Code Review

event_loop.go

func (state *NodeActor) Receive(ctx actor.Context) {
	switch msg := ctx.Message().(type) {
	// [OT] ... Other cases for starting, stopping
	case *messages.QueryRequest:
		response := &messages.QueryResponse{}

		if msg.Transaction != nil && msg.Transaction.Verify() {
			stronglyPreferred := state.node.OnQueryTx(msg.Transaction)

			response.Transaction = msg.Transaction.Id
			response.StronglyPreferred = stronglyPreferred

			ctx.Respond(response)
		}

    // [OT] Not sure why it always responds with empty. Maybe should return above?
		ctx.Respond(response)
	case *messages.ApiReceiveTransaction:
    // [OT] small race, should be `utxo := atomic.AddUint64(&messages.LastUTXO, 1)-1`
		utxo := atomic.LoadUint64(&messages.LastUTXO)
		atomic.AddUint64(&messages.LastUTXO, 1)

		body := messages.CreateTx(utxo, store.GetKeys().PublicKeyHex(), state.node.SelectParents(), msg.Data)
		state.node.OnReceiveTx(body.Sign(store.GetKeys()))
	}
}