DnsSeedProvider
Defined in: src/discovery/DnsSeedProvider.ts:38
Seed provider backed by DNS. Default mode resolves A records and pairs
each IP with the configured port; SRV mode picks up name:port directly.
The actual DNS functions are injected via settings so tests can stub them
without touching the network. The real impl uses node:dns/promises.
TTL cache: repeated lookups inside the configured cacheTtlMs
window are served from a per-instance in-memory cache, halving the
DNS load on large clusters where each node polls the same name.
Implements
Section titled “Implements”Constructors
Section titled “Constructors”Constructor
Section titled “Constructor”new DnsSeedProvider(
settings):DnsSeedProvider
Defined in: src/discovery/DnsSeedProvider.ts:42
Parameters
Section titled “Parameters”settings
Section titled “settings”Returns
Section titled “Returns”DnsSeedProvider
Methods
Section titled “Methods”invalidateCacheForTest()
Section titled “invalidateCacheForTest()”invalidateCacheForTest():
void
Defined in: src/discovery/DnsSeedProvider.ts:62
Test hook — drop the cached entry so the next lookup() re-queries DNS.
Returns
Section titled “Returns”void
lookup()
Section titled “lookup()”lookup():
Promise<NodeAddress[]>
Defined in: src/discovery/DnsSeedProvider.ts:49
Return candidate seed addresses.
Returns
Section titled “Returns”Promise<NodeAddress[]>