all: library changes for swarm-network-rewrite (#16898)

This commit adds all changes needed for the merge of swarm-network-rewrite.
The changes:

- build: increase linter timeout
- contracts/ens: export ensNode
- log: add Output method and enable fractional seconds in format
- metrics: relax test timeout
- p2p: reduced some log levels, updates to simulation packages
- rpc: increased maxClientSubscriptionBuffer to 20000

contracts/ens/ens.go

@@ -95,7 +95,7 @@ func ensParentNode(name string) (common.Hash, common.Hash) {
 	}
 }
 
-func ensNode(name string) common.Hash {
+func EnsNode(name string) common.Hash {
 	parentNode, parentLabel := ensParentNode(name)
 	return crypto.Keccak256Hash(parentNode[:], parentLabel[:])
 }
@@ -136,7 +136,7 @@ func (self *ENS) getRegistrar(node [32]byte) (*contract.FIFSRegistrarSession, er
 
 // Resolve is a non-transactional call that returns the content hash associated with a name.
 func (self *ENS) Resolve(name string) (common.Hash, error) {
-	node := ensNode(name)
+	node := EnsNode(name)
 
 	resolver, err := self.getResolver(node)
 	if err != nil {
@@ -165,7 +165,7 @@ func (self *ENS) Register(name string) (*types.Transaction, error) {
 // SetContentHash sets the content hash associated with a name. Only works if the caller
 // owns the name, and the associated resolver implements a `setContent` function.
 func (self *ENS) SetContentHash(name string, hash common.Hash) (*types.Transaction, error) {
-	node := ensNode(name)
+	node := EnsNode(name)
 
 	resolver, err := self.getResolver(node)
 	if err != nil {

contracts/ens/ens_test.go

@@ -55,7 +55,7 @@ func TestENS(t *testing.T) {
 	if err != nil {
 		t.Fatalf("can't deploy resolver: %v", err)
 	}
-	if _, err := ens.SetResolver(ensNode(name), resolverAddr); err != nil {
+	if _, err := ens.SetResolver(EnsNode(name), resolverAddr); err != nil {
 		t.Fatalf("can't set resolver: %v", err)
 	}
 	contractBackend.Commit()