Initially adding the supplied bootnodes once seems not good enough

[robvanmieghem]

The following issue can help in solving this one: Setting the ethereum loglevel is missing in tfchaind

[robvanmieghem]

I created a small patch to re-add the initial nodes when syncing does not start:

diff --git a/pkg/eth/erc20/client.go b/pkg/eth/erc20/client.go
index d464b06..d7f71c3 100644
--- a/pkg/eth/erc20/client.go
+++ b/pkg/eth/erc20/client.go
@@ -42,7 +42,7 @@ type LightClient struct {
    lesc              *les.LightEthereum

    datadir string
-
+   config  LightClientConfig
    // optional account info
    accountLock sync.RWMutex
    account     *clientAccountInfo
@@ -88,10 +88,12 @@ func (lccfg *LightClientConfig) validate() error {
 }

 func addPeers(ethNode *node.Node, peers []*discv5.Node) {
+
    for _, peer := range peers {
-       old, err := enode.ParseV4(peer.String())
+       newPeer, err := enode.ParseV4(peer.String())
        if err != nil {
-           ethNode.Server().AddPeer(old)
+           log.Debug("Adding peer", "peer", newPeer)
+           ethNode.Server().AddPeer(newPeer)
        }
    }
 }
@@ -177,6 +179,7 @@ func NewLightClient(lccfg LightClientConfig) (*LightClient, error) {
        stack:   stack,
        lesc:    lesc,
        datadir: datadir,
+       config:  lccfg,
    }, nil
 }

@@ -329,6 +332,7 @@ func (lc *LightClient) Wait(ctx context.Context) error {
            log.Info(
                "LightClient needs to start to sync",
                "current_block", progress.CurrentBlock, "peers", lc.stack.Server().Peers())
+           addPeers(lc.stack, lc.config.BootstrapNodes)
        } else if downloader.Synchronising() || progress.CurrentBlock < progress.HighestBlock {
            log.Debug(
                "LightClient is still syncing, waiting 10 seconds...",

Let's see after deploying to our terstnet if this is needed

[LeeSmet]

Fixed in 239f9e755eb31b9e4b04a332e0d36a2cb40e9c07