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createchaintx: --brands subset filter (process a named subset of brand L2s)

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--brands=hanzo,zoo issues CreateChainTx only for the named brands, in
canonical list order (deterministic chain ordering). Unknown brand names
are a hard error (a typo must not silently create a different chain set).
Pure stdlib; zero new deps. Default (empty) = all five brands as before.

Co-authored-by: Hanzo Dev <dev@hanzo.ai>
This commit is contained in:
zeekay
2026-06-30 16:06:42 -07:00
co-authored by Hanzo Dev
parent 0ec41b95b2
commit fdc2e24299
1 changed files with 27 additions and 0 deletions
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cmd/createchaintx/main.go
+27
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@@ -200,11 +200,38 @@ func main() {
homeOverride := flag.String("home", "", "override $HOME for the brand-genesis path template (empty = use real $HOME)")
forceNew := flag.Bool("force-new", false, "ignore pre-existing chains with the same brand name on P-chain; always issue a fresh CreateChainTx")
derivIndex := flag.Uint("index", uint(defaultStakingPath.index), "BIP-44 leaf index at m/44'/9000'/0'/0/<index> (default 5: first allocation slot not bonded to initial validator stake)")
brandsCSV := flag.String("brands", "", "comma-separated subset of brands to process in list order (empty = all five). E.g. --brands=hanzo,zoo")
flag.Parse()
if *uri == "" || *env == "" {
log.Fatal("--uri and --env are required (try --help)")
}
// Optional brand subset: process only the named brands (preserving the
// canonical list order so chain-creation ordering stays deterministic).
// Unknown brand names are a hard error — a typo must not silently create
// a different set of chains than intended.
if csv := strings.TrimSpace(*brandsCSV); csv != "" {
want := map[string]bool{}
for _, b := range strings.Split(csv, ",") {
want[strings.ToLower(strings.TrimSpace(b))] = true
}
filtered := brandSpecs[:0:0]
seen := map[string]bool{}
for _, bs := range brandSpecs {
if want[bs.brand] {
filtered = append(filtered, bs)
seen[bs.brand] = true
}
}
for b := range want {
if !seen[b] {
log.Fatalf("--brands: unknown brand %q (known: hanzo,zoo,pars,spc,osage)", b)
}
}
brandSpecs = filtered
log.Printf("brand subset: %s", csv)
}
resolvedHRP := *hrp
if resolvedHRP == "" {
var err error