fix: Fix relayer start (#320)

relayer/channels.go

@@ -16,6 +16,10 @@ func (r *Relayer) LoadChannels() (string, string, error) {
 		return "", "", err
 	}
 
+	if output.Len() == 0 {
+		return "", "", nil
+	}
+
 	// While there are JSON objects in the stream...
 	var outputStruct RollappQueryResult
 	dec := json.NewDecoder(&output)
@@ -28,7 +32,8 @@ func (r *Relayer) LoadChannels() (string, string, error) {
 	}
 
 	if outputStruct.State != "STATE_OPEN" {
-		return "", "", fmt.Errorf("channel %s is not STATE_OPEN (%s)", outputStruct.ChannelID, outputStruct.State)
+		r.logger.Printf("channel %s is not STATE_OPEN (%s)", outputStruct.ChannelID, outputStruct.State)
+		return "", "", nil
 	}
 
 	// Check if the channel is open on the hub
@@ -43,9 +48,10 @@ func (r *Relayer) LoadChannels() (string, string, error) {
 	}
 
 	if res.Channel.State != "STATE_OPEN" {
-		return "", "", fmt.Errorf("channel %s is STATE_OPEN on the rollapp, but channel %s is %s on the hub",
+		r.logger.Printf("channel %s is STATE_OPEN on the rollapp, but channel %s is %s on the hub",
 			outputStruct.ChannelID, outputStruct.Counterparty.ChannelID, res.Channel.State,
 		)
+		return "", "", nil
 	}
 
 	r.SrcChannel = outputStruct.ChannelID

relayer/relayer_manager.go

@@ -2,6 +2,7 @@ package relayer
 
 import (
 	"fmt"
+	"io"
 	"log"
 
 	"github.com/dymensionxyz/roller/config"
@@ -21,6 +22,7 @@ func NewRelayer(home, rollappID, hubID string) *Relayer {
 		Home:      home,
 		RollappID: rollappID,
 		HubID:     hubID,
+		logger:    log.New(io.Discard, "", 0),
 	}
 }