cmd/utils: fix bootnodes config priority (#28095)

This fixes an issue where the --bootnodes flag was overridden by the config file.

---------

Co-authored-by: NathanBSC <Nathan.l@nodereal.io>
Co-authored-by: Felix Lange <fjl@twurst.com>
This commit is contained in:
buddho 2023-09-26 01:17:39 +08:00 committed by GitHub
parent 3d297fc2d7
commit f6f64cc43d
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@ -1032,35 +1032,45 @@ func setNodeUserIdent(ctx *cli.Context, cfg *node.Config) {
// setBootstrapNodes creates a list of bootstrap nodes from the command line
// flags, reverting to pre-configured ones if none have been specified.
// Priority order for bootnodes configuration:
//
// 1. --bootnodes flag
// 2. Config file
// 3. Network preset flags (e.g. --goerli)
// 4. default to mainnet nodes
func setBootstrapNodes(ctx *cli.Context, cfg *p2p.Config) {
urls := params.MainnetBootnodes
switch {
case ctx.IsSet(BootnodesFlag.Name):
if ctx.IsSet(BootnodesFlag.Name) {
urls = SplitAndTrim(ctx.String(BootnodesFlag.Name))
case ctx.Bool(HoleskyFlag.Name):
urls = params.HoleskyBootnodes
case ctx.Bool(SepoliaFlag.Name):
urls = params.SepoliaBootnodes
case ctx.Bool(GoerliFlag.Name):
urls = params.GoerliBootnodes
} else {
if cfg.BootstrapNodes != nil {
return // Already set by config file, don't apply defaults.
}
switch {
case ctx.Bool(HoleskyFlag.Name):
urls = params.HoleskyBootnodes
case ctx.Bool(SepoliaFlag.Name):
urls = params.SepoliaBootnodes
case ctx.Bool(GoerliFlag.Name):
urls = params.GoerliBootnodes
}
}
cfg.BootstrapNodes = mustParseBootnodes(urls)
}
// don't apply defaults if BootstrapNodes is already set
if cfg.BootstrapNodes != nil {
return
}
cfg.BootstrapNodes = make([]*enode.Node, 0, len(urls))
func mustParseBootnodes(urls []string) []*enode.Node {
nodes := make([]*enode.Node, 0, len(urls))
for _, url := range urls {
if url != "" {
node, err := enode.Parse(enode.ValidSchemes, url)
if err != nil {
log.Crit("Bootstrap URL invalid", "enode", url, "err", err)
continue
return nil
}
cfg.BootstrapNodes = append(cfg.BootstrapNodes, node)
nodes = append(nodes, node)
}
}
return nodes
}
// setBootstrapNodesV5 creates a list of bootstrap nodes from the command line