style: apply structpack & goimport (#469)

* refactor: reorder import statements in fetch.go and fetch_test.go

Signed-off-by: Jason Cameron <git@jasoncameron.dev>

* fix: optimize struct field alignment to reduce memory usage

Signed-off-by: Jason Cameron <git@jasoncameron.dev>

---------

Signed-off-by: Jason Cameron <git@jasoncameron.dev>

lib/anubis.go

@@ -58,14 +58,14 @@ var (
 )
 
 type Server struct {
-	mux        *http.ServeMux
 	next       http.Handler
-	priv       ed25519.PrivateKey
-	pub        ed25519.PublicKey
+	mux        *http.ServeMux
 	policy     *policy.ParsedConfig
-	opts       Options
 	DNSBLCache *decaymap.Impl[string, dnsbl.DroneBLResponse]
 	OGTags     *ogtags.OGTagCache
+	priv       ed25519.PrivateKey
+	pub        ed25519.PublicKey
+	opts       Options
 }
 
 func (s *Server) challengeFor(r *http.Request, difficulty int) string {
@@ -232,8 +232,8 @@ func (s *Server) MakeChallenge(w http.ResponseWriter, r *http.Request) {
 	challenge := s.challengeFor(r, rule.Challenge.Difficulty)
 
 	err = encoder.Encode(struct {
-		Challenge string                 `json:"challenge"`
 		Rules     *config.ChallengeRules `json:"rules"`
+		Challenge string                 `json:"challenge"`
 	}{
 		Challenge: challenge,
 		Rules:     rule.Challenge,

lib/config.go

@@ -23,24 +23,21 @@ import (
 )
 
 type Options struct {
-	Next            http.Handler
-	Policy          *policy.ParsedConfig
-	RedirectDomains []string
-	ServeRobotsTXT  bool
-	PrivateKey      ed25519.PrivateKey
-
-	CookieExpiration  time.Duration
-	CookieDomain      string
-	CookieName        string
-	CookiePartitioned bool
-
-	OGPassthrough        bool
+	Next                 http.Handler
+	Policy               *policy.ParsedConfig
+	Target               string
+	CookieDomain         string
+	CookieName           string
+	BasePrefix           string
+	WebmasterEmail       string
+	RedirectDomains      []string
+	PrivateKey           ed25519.PrivateKey
+	CookieExpiration     time.Duration
 	OGTimeToLive         time.Duration
 	OGCacheConsidersHost bool
-	Target               string
-
-	WebmasterEmail string
-	BasePrefix     string
+	OGPassthrough        bool
+	CookiePartitioned    bool
+	ServeRobotsTXT       bool
 }
 
 func LoadPoliciesOrDefault(fname string, defaultDifficulty int) (*policy.ParsedConfig, error) {

lib/policy/bot.go

@@ -8,10 +8,10 @@ import (
 )
 
 type Bot struct {
+	Rules     Checker
+	Challenge *config.ChallengeRules
 	Name      string
 	Action    config.Rule
-	Challenge *config.ChallengeRules
-	Rules     Checker
 }
 
 func (b Bot) Hash() string {

lib/policy/celchecker.go

@@ -12,8 +12,8 @@ import (
 )
 
 type CELChecker struct {
-	src     string
 	program cel.Program
+	src     string
 }
 
 func NewCELChecker(cfg *config.ExpressionOrList) (*CELChecker, error) {

lib/policy/checker_test.go

@@ -8,11 +8,11 @@ import (
 
 func TestRemoteAddrChecker(t *testing.T) {
 	for _, tt := range []struct {
-		name  string
-		cidrs []string
-		ip    string
-		ok    bool
 		err   error
+		name  string
+		ip    string
+		cidrs []string
+		ok    bool
 	}{
 		{
 			name:  "match_ipv4",
@@ -86,13 +86,13 @@ func TestRemoteAddrChecker(t *testing.T) {
 
 func TestHeaderMatchesChecker(t *testing.T) {
 	for _, tt := range []struct {
+		err            error
 		name           string
 		header         string
 		rexStr         string
 		reqHeaderKey   string
 		reqHeaderValue string
 		ok             bool
-		err            error
 	}{
 		{
 			name:           "match",

lib/policy/config/config.go

@@ -51,15 +51,14 @@ const (
 )
 
 type BotConfig struct {
-	Name           string            `json:"name"`
 	UserAgentRegex *string           `json:"user_agent_regex"`
 	PathRegex      *string           `json:"path_regex"`
 	HeadersRegex   map[string]string `json:"headers_regex"`
-	RemoteAddr     []string          `json:"remote_addresses"`
 	Expression     *ExpressionOrList `json:"expression"`
-
-	Action    Rule            `json:"action"`
-	Challenge *ChallengeRules `json:"challenge,omitempty"`
+	Challenge      *ChallengeRules   `json:"challenge,omitempty"`
+	Name           string            `json:"name"`
+	Action         Rule              `json:"action"`
+	RemoteAddr     []string          `json:"remote_addresses"`
 }
 
 func (b BotConfig) Zero() bool {
@@ -171,9 +170,9 @@ func (b BotConfig) Valid() error {
 }
 
 type ChallengeRules struct {
+	Algorithm  Algorithm `json:"algorithm"`
 	Difficulty int       `json:"difficulty"`
 	ReportAs   int       `json:"report_as"`
-	Algorithm  Algorithm `json:"algorithm"`
 }
 
 var (

lib/policy/config/config_test.go

@@ -15,9 +15,9 @@ func p[V any](v V) *V { return &v }
 
 func TestBotValid(t *testing.T) {
 	var tests = []struct {
+		err  error
 		name string
 		bot  BotConfig
-		err  error
 	}{
 		{
 			name: "simple user agent",
@@ -239,9 +239,9 @@ func TestConfigValidKnownGood(t *testing.T) {
 
 func TestImportStatement(t *testing.T) {
 	type testCase struct {
+		err        error
 		name       string
 		importPath string
-		err        error
 	}
 
 	var tests []testCase

lib/policy/config/expressionorlist_test.go

@@ -8,11 +8,11 @@ import (
 
 func TestExpressionOrListUnmarshal(t *testing.T) {
 	for _, tt := range []struct {
-		name     string
-		inp      string
 		err      error
 		validErr error
 		result   *ExpressionOrList
+		name     string
+		inp      string
 	}{
 		{
 			name: "simple",

lib/policy/expressions/join_test.go

@@ -14,11 +14,11 @@ func TestJoin(t *testing.T) {
 	}
 
 	for _, tt := range []struct {
-		name      string
-		clauses   []string
-		op        JoinOperator
 		err       error
+		name      string
+		op        JoinOperator
 		resultStr string
+		clauses   []string
 	}{
 		{
 			name:    "no-clauses",