added avatar for verification bot

cmd/telesrv/main.go

@@ -838,6 +838,11 @@ func run(logger *zap.Logger) error {
 	} else if seeded {
 		logger.Info("@ChatBot avatar seed import complete", zap.Int64("photo_id", domain.ChatBotUserPhotoID))
 	}
+	if seeded, err := filesService.SeedVerifyBotAvatar(ctx); err != nil {
+		return fmt.Errorf("seed verifybot avatar: %w", err)
+	} else if seeded {
+		logger.Info("@verifybot avatar seed import complete", zap.Int64("photo_id", domain.VerifyBotUserPhotoID))
+	}
 	if stats, err := filesService.WarmCaches(ctx); err != nil {
 		logger.Warn("media resource cache warmup failed", zap.Error(err))
 	} else if stats.StickerSets > 0 || stats.Documents > 0 || stats.Blobs > 0 {

internal/app/files/verifybot_avatar_seed.go

@@ -0,0 +1,54 @@
+package files
+
+import (
+	"context"
+	_ "embed"
+	"fmt"
+	"time"
+
+	"telesrv/internal/domain"
+)
+
+//go:embed seedassets/verifybot_avatar.png
+var verifyBotAvatarPNG []byte
+
+// SeedVerifyBotAvatar idempotently seeds the built-in @verifybot account's
+// profile photo from the bundled avatar, mirroring SeedChatBotAvatar: writes
+// it under the fixed domain.VerifyBotUserPhotoID so the photo/blob layer and
+// the pure domain.VerifyBotUser() struct literal stay in sync across
+// restarts, and registers it as the account's *current* profile photo so
+// users.getFullUser resolves it too. Returns true if it actually wrote a new
+// photo.
+func (s *Service) SeedVerifyBotAvatar(ctx context.Context) (bool, error) {
+	photoID := domain.VerifyBotUserPhotoID
+	wrote := false
+	if _, found, err := s.media.GetPhoto(ctx, photoID); err != nil {
+		return false, err
+	} else if !found {
+		sizes, err := s.putPhotoStaticSizes(ctx, photoID, verifyBotAvatarPNG, photoSizeSpecsForAvatar(verifyBotAvatarPNG))
+		if err != nil {
+			return false, err
+		}
+		photo := domain.Photo{
+			ID:            photoID,
+			AccessHash:    domain.VerifyBotUserPhotoAccessHash,
+			FileReference: randomFileReference(),
+			Date:          int(time.Now().Unix()),
+			DCID:          s.dc,
+			Sizes:         sizes,
+		}
+		if err := s.media.PutPhoto(ctx, photo); err != nil {
+			return false, err
+		}
+		wrote = true
+	}
+	photo, ok, err := s.SetCurrentProfilePhoto(ctx, domain.PeerTypeUser, domain.VerifyBotUserID, photoID, int(time.Now().Unix()))
+	if err != nil {
+		return false, err
+	}
+	if !ok {
+		return false, fmt.Errorf("verifybot avatar photo %d not found after seeding", photoID)
+	}
+	domain.SetVerifyBotAvatar(photo.DCID, domain.StrippedFromSizes(photo.Sizes))
+	return wrote, nil
+}

internal/domain/system.go

@@ -47,6 +47,10 @@ const (
 	// VerifyBotAccessHash is fixed and double-written with the seed row in
 	// migration 0153; the two must never drift.
 	VerifyBotAccessHash int64 = 7802113947355620887
+	// VerifyBotUserPhotoID/AccessHash are the fixed id of @verifybot's avatar
+	// photo, matching the row files.Service.SeedVerifyBotAvatar seeds.
+	VerifyBotUserPhotoID         int64 = 12500000110001
+	VerifyBotUserPhotoAccessHash int64 = 975869468725402752
 
 	// VerifierBotUserID is the built-in @marksbot: the first THIRD-PARTY
 	// verifier of a deployment (core.telegram.org/api/bots/verification). It
@@ -130,6 +134,23 @@ func SetChatBotAvatar(dcID int, stripped []byte) {
 	chatBotPhotoStripped = stripped
 }
 
+// verifyBotPhotoDCID/Stripped are written once at startup by
+// files.Service.SeedVerifyBotAvatar via SetVerifyBotAvatar; before that,
+// VerifyBotUser() carries no photo (PhotoID==0), same as every other
+// not-yet-seeded built-in account.
+var (
+	verifyBotPhotoDCID     int
+	verifyBotPhotoStripped []byte
+)
+
+// SetVerifyBotAvatar records the DC and inline thumbnail bytes for
+// @verifybot's avatar. Should only be called once, at startup, after the
+// avatar seed completes.
+func SetVerifyBotAvatar(dcID int, stripped []byte) {
+	verifyBotPhotoDCID = dcID
+	verifyBotPhotoStripped = stripped
+}
+
 // OfficialSystemUser 返回第一阶段内置的官方系统账号。
 func OfficialSystemUser() User {
 	u := User{
@@ -209,7 +230,7 @@ func ChatBotUser() User {
 // VerifyBotUser returns the built-in @verifybot account. It is verified itself,
 // so the applicant sees the same badge on the account that grants it.
 func VerifyBotUser() User {
-	return User{
+	u := User{
 		ID:             VerifyBotUserID,
 		AccessHash:     VerifyBotAccessHash,
 		FirstName:      "Verify Bot",
@@ -218,6 +239,12 @@ func VerifyBotUser() User {
 		Bot:            true,
 		BotInfoVersion: 1,
 	}
+	if verifyBotPhotoDCID != 0 {
+		u.PhotoID = VerifyBotUserPhotoID
+		u.PhotoDCID = verifyBotPhotoDCID
+		u.PhotoStripped = verifyBotPhotoStripped
+	}
+	return u
 }
 
 // VerifierBotUser returns the built-in @marksbot account.