*: enable godot linter and fix all its warnings

It's important for NeoGo to have clean documentation. No functional changes.

pkg/rpc/client/client.go

@@ -21,7 +21,7 @@ import (
 const (
 	defaultDialTimeout    = 4 * time.Second
 	defaultRequestTimeout = 4 * time.Second
-	// number of blocks after which cache is expired
+	// Number of blocks after which cache is expired.
 	cacheTimeout = 100
 )
 
@@ -52,14 +52,14 @@ type Options struct {
 	RequestTimeout time.Duration
 }
 
-// cache stores cache values for the RPC client methods
+// cache stores cache values for the RPC client methods.
 type cache struct {
 	calculateValidUntilBlock calculateValidUntilBlockCache
 	nativeHashes             map[string]util.Uint160
 }
 
 // calculateValidUntilBlockCache stores cached number of validators and
-// cache expiration value in blocks
+// cache expiration value in blocks.
 type calculateValidUntilBlockCache struct {
 	validatorsCount uint32
 	expiresAt       uint32