[chore] update database caching library (#1040)

* convert most of the caches to use result.Cache{}

* add caching of emojis

* fix issues causing failing tests

* update go-cache/v2 instances with v3

* fix getnotification

* add a note about the left-in StatusCreate comment

* update EmojiCategory db access to use new result.Cache{}

* fix possible panic in getstatusparents

* further proof that kim is not stinky

14 files changed, 571 insertions, 552 deletions

diff --git a/internal/db/bundb/account.go b/internal/db/bundb/account.go
index 4813f4e17..1e9c390d8 100644
--- a/internal/db/bundb/account.go
+++ b/internal/db/bundb/account.go
@@ -24,7 +24,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/superseriousbusiness/gotosocial/internal/cache"
+	"codeberg.org/gruf/go-cache/v3/result"
 	"github.com/superseriousbusiness/gotosocial/internal/config"
 	"github.com/superseriousbusiness/gotosocial/internal/db"
 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
@@ -35,10 +35,29 @@ import (
 
 type accountDB struct {
 	conn   *DBConn
-	cache  *cache.AccountCache
+	cache  *result.Cache[*gtsmodel.Account]
 	status *statusDB
 }
 
+func (a *accountDB) init() {
+	// Initialize account result cache
+	a.cache = result.NewSized([]result.Lookup{
+		{Name: "ID"},
+		{Name: "URI"},
+		{Name: "URL"},
+		{Name: "Username.Domain"},
+		{Name: "PublicKeyURI"},
+	}, func(a1 *gtsmodel.Account) *gtsmodel.Account {
+		a2 := new(gtsmodel.Account)
+		*a2 = *a1
+		return a2
+	}, 1000)
+
+	// Set cache TTL and start sweep routine
+	a.cache.SetTTL(time.Minute*5, false)
+	a.cache.Start(time.Second * 10)
+}
+
 func (a *accountDB) newAccountQ(account *gtsmodel.Account) *bun.SelectQuery {
 	return a.conn.
 		NewSelect().
@@ -51,45 +70,41 @@ func (a *accountDB) newAccountQ(account *gtsmodel.Account) *bun.SelectQuery {
 func (a *accountDB) GetAccountByID(ctx context.Context, id string) (*gtsmodel.Account, db.Error) {
 	return a.getAccount(
 		ctx,
-		func() (*gtsmodel.Account, bool) {
-			return a.cache.GetByID(id)
-		},
+		"ID",
 		func(account *gtsmodel.Account) error {
 			return a.newAccountQ(account).Where("? = ?", bun.Ident("account.id"), id).Scan(ctx)
 		},
+		id,
 	)
 }
 
 func (a *accountDB) GetAccountByURI(ctx context.Context, uri string) (*gtsmodel.Account, db.Error) {
 	return a.getAccount(
 		ctx,
-		func() (*gtsmodel.Account, bool) {
-			return a.cache.GetByURI(uri)
-		},
+		"URI",
 		func(account *gtsmodel.Account) error {
 			return a.newAccountQ(account).Where("? = ?", bun.Ident("account.uri"), uri).Scan(ctx)
 		},
+		uri,
 	)
 }
 
 func (a *accountDB) GetAccountByURL(ctx context.Context, url string) (*gtsmodel.Account, db.Error) {
 	return a.getAccount(
 		ctx,
-		func() (*gtsmodel.Account, bool) {
-			return a.cache.GetByURL(url)
-		},
+		"URL",
 		func(account *gtsmodel.Account) error {
 			return a.newAccountQ(account).Where("? = ?", bun.Ident("account.url"), url).Scan(ctx)
 		},
+		url,
 	)
 }
 
 func (a *accountDB) GetAccountByUsernameDomain(ctx context.Context, username string, domain string) (*gtsmodel.Account, db.Error) {
+	username = strings.ToLower(username)
 	return a.getAccount(
 		ctx,
-		func() (*gtsmodel.Account, bool) {
-			return a.cache.GetByUsernameDomain(username, domain)
-		},
+		"Username.Domain",
 		func(account *gtsmodel.Account) error {
 			q := a.newAccountQ(account)
 
@@ -97,113 +112,117 @@ func (a *accountDB) GetAccountByUsernameDomain(ctx context.Context, username str
 				q = q.Where("? = ?", bun.Ident("account.username"), username)
 				q = q.Where("? = ?", bun.Ident("account.domain"), domain)
 			} else {
-				q = q.Where("? = ?", bun.Ident("account.username"), strings.ToLower(username))
+				q = q.Where("? = ?", bun.Ident("account.username"), username)
 				q = q.Where("? IS NULL", bun.Ident("account.domain"))
 			}
 
 			return q.Scan(ctx)
 		},
+		username,
+		domain,
 	)
 }
 
 func (a *accountDB) GetAccountByPubkeyID(ctx context.Context, id string) (*gtsmodel.Account, db.Error) {
 	return a.getAccount(
 		ctx,
-		func() (*gtsmodel.Account, bool) {
-			return a.cache.GetByPubkeyID(id)
-		},
+		"PublicKeyURI",
 		func(account *gtsmodel.Account) error {
 			return a.newAccountQ(account).Where("? = ?", bun.Ident("account.public_key_uri"), id).Scan(ctx)
 		},
+		id,
 	)
 }
 
-func (a *accountDB) getAccount(ctx context.Context, cacheGet func() (*gtsmodel.Account, bool), dbQuery func(*gtsmodel.Account) error) (*gtsmodel.Account, db.Error) {
-	// Attempt to fetch cached account
-	account, cached := cacheGet()
+func (a *accountDB) GetInstanceAccount(ctx context.Context, domain string) (*gtsmodel.Account, db.Error) {
+	var username string
 
-	if !cached {
-		account = &gtsmodel.Account{}
+	if domain == "" {
+		// I.e. our local instance account
+		username = config.GetHost()
+	} else {
+		// A remote instance account
+		username = domain
+	}
+
+	return a.GetAccountByUsernameDomain(ctx, username, domain)
+}
+
+func (a *accountDB) getAccount(ctx context.Context, lookup string, dbQuery func(*gtsmodel.Account) error, keyParts ...any) (*gtsmodel.Account, db.Error) {
+	return a.cache.Load(lookup, func() (*gtsmodel.Account, error) {
+		var account gtsmodel.Account
 
 		// Not cached! Perform database query
-		err := dbQuery(account)
-		if err != nil {
+		if err := dbQuery(&account); err != nil {
 			return nil, a.conn.ProcessError(err)
 		}
 
-		// Place in the cache
-		a.cache.Put(account)
-	}
-
-	return account, nil
+		return &account, nil
+	}, keyParts...)
 }
 
-func (a *accountDB) PutAccount(ctx context.Context, account *gtsmodel.Account) (*gtsmodel.Account, db.Error) {
-	if err := a.conn.RunInTx(ctx, func(tx bun.Tx) error {
-		// create links between this account and any emojis it uses
-		for _, i := range account.EmojiIDs {
-			if _, err := tx.NewInsert().Model(&gtsmodel.AccountToEmoji{
-				AccountID: account.ID,
-				EmojiID:   i,
-			}).Exec(ctx); err != nil {
-				return err
+func (a *accountDB) PutAccount(ctx context.Context, account *gtsmodel.Account) db.Error {
+	return a.cache.Store(account, func() error {
+		// It is safe to run this database transaction within cache.Store
+		// as the cache does not attempt a mutex lock until AFTER hook.
+		//
+		return a.conn.RunInTx(ctx, func(tx bun.Tx) error {
+			// create links between this account and any emojis it uses
+			for _, i := range account.EmojiIDs {
+				if _, err := tx.NewInsert().Model(&gtsmodel.AccountToEmoji{
+					AccountID: account.ID,
+					EmojiID:   i,
+				}).Exec(ctx); err != nil {
+					return err
+				}
 			}
-		}
 
-		// insert the account
-		_, err := tx.NewInsert().Model(account).Exec(ctx)
-		return err
-	}); err != nil {
-		return nil, a.conn.ProcessError(err)
-	}
-
-	a.cache.Put(account)
-	return account, nil
+			// insert the account
+			_, err := tx.NewInsert().Model(account).Exec(ctx)
+			return err
+		})
+	})
 }
 
-func (a *accountDB) UpdateAccount(ctx context.Context, account *gtsmodel.Account) (*gtsmodel.Account, db.Error) {
+func (a *accountDB) UpdateAccount(ctx context.Context, account *gtsmodel.Account) db.Error {
 	// Update the account's last-updated
 	account.UpdatedAt = time.Now()
 
-	if err := a.conn.RunInTx(ctx, func(tx bun.Tx) error {
-		// create links between this account and any emojis it uses
-		// first clear out any old emoji links
-		if _, err := tx.
-			NewDelete().
-			TableExpr("? AS ?", bun.Ident("account_to_emojis"), bun.Ident("account_to_emoji")).
-			Where("? = ?", bun.Ident("account_to_emoji.account_id"), account.ID).
-			Exec(ctx); err != nil {
-			return err
-		}
-
-		// now populate new emoji links
-		for _, i := range account.EmojiIDs {
+	return a.cache.Store(account, func() error {
+		// It is safe to run this database transaction within cache.Store
+		// as the cache does not attempt a mutex lock until AFTER hook.
+		//
+		return a.conn.RunInTx(ctx, func(tx bun.Tx) error {
+			// create links between this account and any emojis it uses
+			// first clear out any old emoji links
 			if _, err := tx.
-				NewInsert().
-				Model(&gtsmodel.AccountToEmoji{
-					AccountID: account.ID,
-					EmojiID:   i,
-				}).Exec(ctx); err != nil {
+				NewDelete().
+				TableExpr("? AS ?", bun.Ident("account_to_emojis"), bun.Ident("account_to_emoji")).
+				Where("? = ?", bun.Ident("account_to_emoji.account_id"), account.ID).
+				Exec(ctx); err != nil {
 				return err
 			}
-		}
 
-		// update the account
-		if _, err := tx.
-			NewUpdate().
-			Model(account).
-			Where("? = ?", bun.Ident("account.id"), account.ID).
-			Exec(ctx); err != nil {
-			return err
-		}
-
-		return nil
-	}); err != nil {
-		return nil, a.conn.ProcessError(err)
-	}
+			// now populate new emoji links
+			for _, i := range account.EmojiIDs {
+				if _, err := tx.
+					NewInsert().
+					Model(&gtsmodel.AccountToEmoji{
+						AccountID: account.ID,
+						EmojiID:   i,
+					}).Exec(ctx); err != nil {
+					return err
+				}
+			}
 
-	a.cache.Put(account)
-	return account, nil
+			// update the account
+			_, err := tx.NewUpdate().
+				Model(account).
+				Where("? = ?", bun.Ident("account.id"), account.ID).
+				Exec(ctx)
+			return err
+		})
+	})
 }
 
 func (a *accountDB) DeleteAccount(ctx context.Context, id string) db.Error {
@@ -219,40 +238,19 @@ func (a *accountDB) DeleteAccount(ctx context.Context, id string) db.Error {
 
 		// delete the account
 		_, err := tx.
-			NewUpdate().
+			NewDelete().
 			TableExpr("? AS ?", bun.Ident("accounts"), bun.Ident("account")).
 			Where("? = ?", bun.Ident("account.id"), id).
 			Exec(ctx)
 		return err
 	}); err != nil {
-		return a.conn.ProcessError(err)
+		return err
 	}
 
-	a.cache.Invalidate(id)
+	a.cache.Invalidate("ID", id)
 	return nil
 }
 
-func (a *accountDB) GetInstanceAccount(ctx context.Context, domain string) (*gtsmodel.Account, db.Error) {
-	account := new(gtsmodel.Account)
-
-	q := a.newAccountQ(account)
-
-	if domain != "" {
-		q = q.
-			Where("? = ?", bun.Ident("account.username"), domain).
-			Where("? = ?", bun.Ident("account.domain"), domain)
-	} else {
-		q = q.
-			Where("? = ?", bun.Ident("account.username"), config.GetHost()).
-			WhereGroup(" AND ", whereEmptyOrNull("domain"))
-	}
-
-	if err := q.Scan(ctx); err != nil {
-		return nil, a.conn.ProcessError(err)
-	}
-	return account, nil
-}
-
 func (a *accountDB) GetAccountLastPosted(ctx context.Context, accountID string, webOnly bool) (time.Time, db.Error) {
 	createdAt := time.Time{}
 
diff --git a/internal/db/bundb/account_test.go b/internal/db/bundb/account_test.go
index 29594a740..50603623f 100644
--- a/internal/db/bundb/account_test.go
+++ b/internal/db/bundb/account_test.go
@@ -92,7 +92,7 @@ func (suite *AccountTestSuite) TestUpdateAccount() {
 	testAccount.DisplayName = "new display name!"
 	testAccount.EmojiIDs = []string{"01GD36ZKWTKY3T1JJ24JR7KY1Q", "01GD36ZV904SHBHNAYV6DX5QEF"}
 
-	_, err := suite.db.UpdateAccount(ctx, testAccount)
+	err := suite.db.UpdateAccount(ctx, testAccount)
 	suite.NoError(err)
 
 	updated, err := suite.db.GetAccountByID(ctx, testAccount.ID)
@@ -127,7 +127,7 @@ func (suite *AccountTestSuite) TestUpdateAccount() {
 	// update again to remove emoji associations
 	testAccount.EmojiIDs = []string{}
 
-	_, err = suite.db.UpdateAccount(ctx, testAccount)
+	err = suite.db.UpdateAccount(ctx, testAccount)
 	suite.NoError(err)
 
 	updated, err = suite.db.GetAccountByID(ctx, testAccount.ID)
diff --git a/internal/db/bundb/admin.go b/internal/db/bundb/admin.go
index 44861a4bb..4d750581c 100644
--- a/internal/db/bundb/admin.go
+++ b/internal/db/bundb/admin.go
@@ -29,7 +29,6 @@ import (
 	"time"
 
 	"github.com/superseriousbusiness/gotosocial/internal/ap"
-	"github.com/superseriousbusiness/gotosocial/internal/cache"
 	"github.com/superseriousbusiness/gotosocial/internal/config"
 	"github.com/superseriousbusiness/gotosocial/internal/db"
 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
@@ -44,9 +43,9 @@ import (
 const rsaKeyBits = 2048
 
 type adminDB struct {
-	conn         *DBConn
-	userCache    *cache.UserCache
-	accountCache *cache.AccountCache
+	conn     *DBConn
+	accounts *accountDB
+	users    *userDB
 }
 
 func (a *adminDB) IsUsernameAvailable(ctx context.Context, username string) (bool, db.Error) {
@@ -140,13 +139,9 @@ func (a *adminDB) NewSignup(ctx context.Context, username string, reason string,
 		}
 
 		// insert the new account!
-		if _, err = a.conn.
-			NewInsert().
-			Model(acct).
-			Exec(ctx); err != nil {
-			return nil, a.conn.ProcessError(err)
+		if err := a.accounts.PutAccount(ctx, acct); err != nil {
+			return nil, err
 		}
-		a.accountCache.Put(acct)
 	}
 
 	// we either created or already had an account by now,
@@ -190,13 +185,9 @@ func (a *adminDB) NewSignup(ctx context.Context, username string, reason string,
 	}
 
 	// insert the user!
-	if _, err = a.conn.
-		NewInsert().
-		Model(u).
-		Exec(ctx); err != nil {
-		return nil, a.conn.ProcessError(err)
+	if err := a.users.PutUser(ctx, u); err != nil {
+		return nil, err
 	}
-	a.userCache.Put(u)
 
 	return u, nil
 }
@@ -249,15 +240,11 @@ func (a *adminDB) CreateInstanceAccount(ctx context.Context) db.Error {
 		FeaturedCollectionURI: newAccountURIs.CollectionURI,
 	}
 
-	insertQ := a.conn.
-		NewInsert().
-		Model(acct)
-
-	if _, err := insertQ.Exec(ctx); err != nil {
-		return a.conn.ProcessError(err)
+	// insert the new account!
+	if err := a.accounts.PutAccount(ctx, acct); err != nil {
+		return err
 	}
 
-	a.accountCache.Put(acct)
 	log.Infof("instance account %s CREATED with id %s", username, acct.ID)
 	return nil
 }
diff --git a/internal/db/bundb/admin_test.go b/internal/db/bundb/admin_test.go
index f0a869a9b..18e1f67e2 100644
--- a/internal/db/bundb/admin_test.go
+++ b/internal/db/bundb/admin_test.go
@@ -70,6 +70,8 @@ func (suite *AdminTestSuite) TestIsEmailAvailableDomainBlocked() {
 }
 
 func (suite *AdminTestSuite) TestCreateInstanceAccount() {
+	// reinitialize test DB to clear caches
+	suite.db = testrig.NewTestDB()
 	// we need to take an empty db for this...
 	testrig.StandardDBTeardown(suite.db)
 	// ...with tables created but no data
diff --git a/internal/db/bundb/bundb.go b/internal/db/bundb/bundb.go
index cf6643f6b..de6749ca4 100644
--- a/internal/db/bundb/bundb.go
+++ b/internal/db/bundb/bundb.go
@@ -34,7 +34,6 @@ import (
 	"github.com/google/uuid"
 	"github.com/jackc/pgx/v4"
 	"github.com/jackc/pgx/v4/stdlib"
-	"github.com/superseriousbusiness/gotosocial/internal/cache"
 	"github.com/superseriousbusiness/gotosocial/internal/config"
 	"github.com/superseriousbusiness/gotosocial/internal/db"
 	"github.com/superseriousbusiness/gotosocial/internal/db/bundb/migrations"
@@ -46,7 +45,6 @@ import (
 	"github.com/uptrace/bun/dialect/sqlitedialect"
 	"github.com/uptrace/bun/migrate"
 
-	grufcache "codeberg.org/gruf/go-cache/v2"
 	"modernc.org/sqlite"
 )
 
@@ -160,79 +158,63 @@ func NewBunDBService(ctx context.Context) (db.DB, error) {
 		return nil, fmt.Errorf("db migration error: %s", err)
 	}
 
-	// Prepare caches required by more than one struct
-	userCache := cache.NewUserCache()
-	accountCache := cache.NewAccountCache()
-
-	// Prepare other caches
-	// Prepare mentions cache
-	// TODO: move into internal/cache
-	mentionCache := grufcache.New[string, *gtsmodel.Mention]()
-	mentionCache.SetTTL(time.Minute*5, false)
-	mentionCache.Start(time.Second * 10)
-
-	// Prepare notifications cache
-	// TODO: move into internal/cache
-	notifCache := grufcache.New[string, *gtsmodel.Notification]()
-	notifCache.SetTTL(time.Minute*5, false)
-	notifCache.Start(time.Second * 10)
-
 	// Create DB structs that require ptrs to each other
-	accounts := &accountDB{conn: conn, cache: accountCache}
-	status := &statusDB{conn: conn, cache: cache.NewStatusCache()}
-	emoji := &emojiDB{conn: conn, emojiCache: cache.NewEmojiCache(), categoryCache: cache.NewEmojiCategoryCache()}
+	account := &accountDB{conn: conn}
+	admin := &adminDB{conn: conn}
+	domain := &domainDB{conn: conn}
+	mention := &mentionDB{conn: conn}
+	notif := &notificationDB{conn: conn}
+	status := &statusDB{conn: conn}
+	emoji := &emojiDB{conn: conn}
 	timeline := &timelineDB{conn: conn}
 	tombstone := &tombstoneDB{conn: conn}
+	user := &userDB{conn: conn}
 
 	// Setup DB cross-referencing
-	accounts.status = status
-	status.accounts = accounts
+	account.status = status
+	admin.users = user
+	status.accounts = account
 	timeline.status = status
 
 	// Initialize db structs
+	account.init()
+	domain.init()
+	emoji.init()
+	mention.init()
+	notif.init()
+	status.init()
 	tombstone.init()
+	user.init()
 
 	ps := &DBService{
-		Account: accounts,
+		Account: account,
 		Admin: &adminDB{
-			conn:         conn,
-			userCache:    userCache,
-			accountCache: accountCache,
+			conn:     conn,
+			accounts: account,
+			users:    user,
 		},
 		Basic: &basicDB{
 			conn: conn,
 		},
-		Domain: &domainDB{
-			conn:  conn,
-			cache: cache.NewDomainBlockCache(),
-		},
-		Emoji: emoji,
+		Domain: domain,
+		Emoji:  emoji,
 		Instance: &instanceDB{
 			conn: conn,
 		},
 		Media: &mediaDB{
 			conn: conn,
 		},
-		Mention: &mentionDB{
-			conn:  conn,
-			cache: mentionCache,
-		},
-		Notification: &notificationDB{
-			conn:  conn,
-			cache: notifCache,
-		},
+		Mention:      mention,
+		Notification: notif,
 		Relationship: &relationshipDB{
 			conn: conn,
 		},
 		Session: &sessionDB{
 			conn: conn,
 		},
-		Status:   status,
-		Timeline: timeline,
-		User: &userDB{
-			conn:  conn,
-			cache: userCache,
-		},
+		Status:    status,
+		Timeline:  timeline,
+		User:      user,
 		Tombstone: tombstone,
 		conn:      conn,
 	}
diff --git a/internal/db/bundb/domain.go b/internal/db/bundb/domain.go
index 0a752d3f3..3fca8501b 100644
--- a/internal/db/bundb/domain.go
+++ b/internal/db/bundb/domain.go
@@ -20,11 +20,11 @@ package bundb
 
 import (
 	"context"
-	"database/sql"
 	"net/url"
 	"strings"
+	"time"
 
-	"github.com/superseriousbusiness/gotosocial/internal/cache"
+	"codeberg.org/gruf/go-cache/v3/result"
 	"github.com/superseriousbusiness/gotosocial/internal/config"
 	"github.com/superseriousbusiness/gotosocial/internal/db"
 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
@@ -34,7 +34,22 @@ import (
 
 type domainDB struct {
 	conn  *DBConn
-	cache *cache.DomainBlockCache
+	cache *result.Cache[*gtsmodel.DomainBlock]
+}
+
+func (d *domainDB) init() {
+	// Initialize domain block result cache
+	d.cache = result.NewSized([]result.Lookup{
+		{Name: "Domain"},
+	}, func(d1 *gtsmodel.DomainBlock) *gtsmodel.DomainBlock {
+		d2 := new(gtsmodel.DomainBlock)
+		*d2 = *d1
+		return d2
+	}, 1000)
+
+	// Set cache TTL and start sweep routine
+	d.cache.SetTTL(time.Minute*5, false)
+	d.cache.Start(time.Second * 10)
 }
 
 // normalizeDomain converts the given domain to lowercase
@@ -49,76 +64,53 @@ func normalizeDomain(domain string) (out string, err error) {
 }
 
 func (d *domainDB) CreateDomainBlock(ctx context.Context, block *gtsmodel.DomainBlock) db.Error {
-	domain, err := normalizeDomain(block.Domain)
+	var err error
+
+	block.Domain, err = normalizeDomain(block.Domain)
 	if err != nil {
 		return err
 	}
-	block.Domain = domain
 
-	// Attempt to insert new domain block
-	if _, err := d.conn.NewInsert().
-		Model(block).
-		Exec(ctx); err != nil {
+	return d.cache.Store(block, func() error {
+		_, err := d.conn.NewInsert().
+			Model(block).
+			Exec(ctx)
 		return d.conn.ProcessError(err)
-	}
-
-	// Cache this domain block
-	d.cache.Put(block.Domain, block)
-
-	return nil
+	})
 }
 
 func (d *domainDB) GetDomainBlock(ctx context.Context, domain string) (*gtsmodel.DomainBlock, db.Error) {
 	var err error
+
 	domain, err = normalizeDomain(domain)
 	if err != nil {
 		return nil, err
 	}
 
-	// Check for easy case, domain referencing *us*
-	if domain == "" || domain == config.GetAccountDomain() {
-		return nil, db.ErrNoEntries
-	}
-
-	// Check for already cached rblock
-	if block, ok := d.cache.GetByDomain(domain); ok {
-		// A 'nil' return value is a sentinel value for no block
-		if block == nil {
+	return d.cache.Load("Domain", func() (*gtsmodel.DomainBlock, error) {
+		// Check for easy case, domain referencing *us*
+		if domain == "" || domain == config.GetAccountDomain() {
 			return nil, db.ErrNoEntries
 		}
 
-		// Else, this block exists
-		return block, nil
-	}
+		var block gtsmodel.DomainBlock
 
-	block := &gtsmodel.DomainBlock{}
+		q := d.conn.
+			NewSelect().
+			Model(&block).
+			Where("? = ?", bun.Ident("domain_block.domain"), domain).
+			Limit(1)
+		if err := q.Scan(ctx); err != nil {
+			return nil, d.conn.ProcessError(err)
+		}
 
-	q := d.conn.
-		NewSelect().
-		Model(block).
-		Where("? = ?", bun.Ident("domain_block.domain"), domain).
-		Limit(1)
-
-	// Query database for domain block
-	switch err := q.Scan(ctx); err {
-	// No error, block found
-	case nil:
-		d.cache.Put(domain, block)
-		return block, nil
-
-	// No error, simply not found
-	case sql.ErrNoRows:
-		d.cache.Put(domain, nil)
-		return nil, db.ErrNoEntries
-
-	// Any other db error
-	default:
-		return nil, d.conn.ProcessError(err)
-	}
+		return &block, nil
+	}, domain)
 }
 
 func (d *domainDB) DeleteDomainBlock(ctx context.Context, domain string) db.Error {
 	var err error
+
 	domain, err = normalizeDomain(domain)
 	if err != nil {
 		return err
@@ -133,7 +125,7 @@ func (d *domainDB) DeleteDomainBlock(ctx context.Context, domain string) db.Erro
 	}
 
 	// Clear domain from cache
-	d.cache.InvalidateByDomain(domain)
+	d.cache.Invalidate(domain)
 
 	return nil
 }
diff --git a/internal/db/bundb/emoji.go b/internal/db/bundb/emoji.go
index 81374ce78..55e0ee3ff 100644
--- a/internal/db/bundb/emoji.go
+++ b/internal/db/bundb/emoji.go
@@ -23,7 +23,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/superseriousbusiness/gotosocial/internal/cache"
+	"codeberg.org/gruf/go-cache/v3/result"
 	"github.com/superseriousbusiness/gotosocial/internal/db"
 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
 	"github.com/superseriousbusiness/gotosocial/internal/log"
@@ -33,8 +33,40 @@ import (
 
 type emojiDB struct {
 	conn          *DBConn
-	emojiCache    *cache.EmojiCache
-	categoryCache *cache.EmojiCategoryCache
+	emojiCache    *result.Cache[*gtsmodel.Emoji]
+	categoryCache *result.Cache[*gtsmodel.EmojiCategory]
+}
+
+func (e *emojiDB) init() {
+	// Initialize emoji result cache
+	e.emojiCache = result.NewSized([]result.Lookup{
+		{Name: "ID"},
+		{Name: "URI"},
+		{Name: "Shortcode.Domain"},
+		{Name: "ImageStaticURL"},
+	}, func(e1 *gtsmodel.Emoji) *gtsmodel.Emoji {
+		e2 := new(gtsmodel.Emoji)
+		*e2 = *e1
+		return e2
+	}, 1000)
+
+	// Set cache TTL and start sweep routine
+	e.emojiCache.SetTTL(time.Minute*5, false)
+	e.emojiCache.Start(time.Second * 10)
+
+	// Initialize category result cache
+	e.categoryCache = result.NewSized([]result.Lookup{
+		{Name: "ID"},
+		{Name: "Name"},
+	}, func(c1 *gtsmodel.EmojiCategory) *gtsmodel.EmojiCategory {
+		c2 := new(gtsmodel.EmojiCategory)
+		*c2 = *c1
+		return c2
+	}, 1000)
+
+	// Set cache TTL and start sweep routine
+	e.categoryCache.SetTTL(time.Minute*5, false)
+	e.categoryCache.Start(time.Second * 10)
 }
 
 func (e *emojiDB) newEmojiQ(emoji *gtsmodel.Emoji) *bun.SelectQuery {
@@ -51,12 +83,10 @@ func (e *emojiDB) newEmojiCategoryQ(emojiCategory *gtsmodel.EmojiCategory) *bun.
 }
 
 func (e *emojiDB) PutEmoji(ctx context.Context, emoji *gtsmodel.Emoji) db.Error {
-	if _, err := e.conn.NewInsert().Model(emoji).Exec(ctx); err != nil {
+	return e.emojiCache.Store(emoji, func() error {
+		_, err := e.conn.NewInsert().Model(emoji).Exec(ctx)
 		return e.conn.ProcessError(err)
-	}
-
-	e.emojiCache.Put(emoji)
-	return nil
+	})
 }
 
 func (e *emojiDB) UpdateEmoji(ctx context.Context, emoji *gtsmodel.Emoji, columns ...string) (*gtsmodel.Emoji, db.Error) {
@@ -72,7 +102,7 @@ func (e *emojiDB) UpdateEmoji(ctx context.Context, emoji *gtsmodel.Emoji, column
 		return nil, e.conn.ProcessError(err)
 	}
 
-	e.emojiCache.Invalidate(emoji.ID)
+	e.emojiCache.Invalidate("ID", emoji.ID)
 	return emoji, nil
 }
 
@@ -109,7 +139,7 @@ func (e *emojiDB) DeleteEmojiByID(ctx context.Context, id string) db.Error {
 		return err
 	}
 
-	e.emojiCache.Invalidate(id)
+	e.emojiCache.Invalidate("ID", id)
 	return nil
 }
 
@@ -252,33 +282,29 @@ func (e *emojiDB) GetUseableEmojis(ctx context.Context) ([]*gtsmodel.Emoji, db.E
 func (e *emojiDB) GetEmojiByID(ctx context.Context, id string) (*gtsmodel.Emoji, db.Error) {
 	return e.getEmoji(
 		ctx,
-		func() (*gtsmodel.Emoji, bool) {
-			return e.emojiCache.GetByID(id)
-		},
+		"ID",
 		func(emoji *gtsmodel.Emoji) error {
 			return e.newEmojiQ(emoji).Where("? = ?", bun.Ident("emoji.id"), id).Scan(ctx)
 		},
+		id,
 	)
 }
 
 func (e *emojiDB) GetEmojiByURI(ctx context.Context, uri string) (*gtsmodel.Emoji, db.Error) {
 	return e.getEmoji(
 		ctx,
-		func() (*gtsmodel.Emoji, bool) {
-			return e.emojiCache.GetByURI(uri)
-		},
+		"URI",
 		func(emoji *gtsmodel.Emoji) error {
 			return e.newEmojiQ(emoji).Where("? = ?", bun.Ident("emoji.uri"), uri).Scan(ctx)
 		},
+		uri,
 	)
 }
 
 func (e *emojiDB) GetEmojiByShortcodeDomain(ctx context.Context, shortcode string, domain string) (*gtsmodel.Emoji, db.Error) {
 	return e.getEmoji(
 		ctx,
-		func() (*gtsmodel.Emoji, bool) {
-			return e.emojiCache.GetByShortcodeDomain(shortcode, domain)
-		},
+		"Shortcode.Domain",
 		func(emoji *gtsmodel.Emoji) error {
 			q := e.newEmojiQ(emoji)
 
@@ -292,31 +318,30 @@ func (e *emojiDB) GetEmojiByShortcodeDomain(ctx context.Context, shortcode strin
 
 			return q.Scan(ctx)
 		},
+		shortcode,
+		domain,
 	)
 }
 
 func (e *emojiDB) GetEmojiByStaticURL(ctx context.Context, imageStaticURL string) (*gtsmodel.Emoji, db.Error) {
 	return e.getEmoji(
 		ctx,
-		func() (*gtsmodel.Emoji, bool) {
-			return e.emojiCache.GetByImageStaticURL(imageStaticURL)
-		},
+		"ImageStaticURL",
 		func(emoji *gtsmodel.Emoji) error {
 			return e.
 				newEmojiQ(emoji).
 				Where("? = ?", bun.Ident("emoji.image_static_url"), imageStaticURL).
 				Scan(ctx)
 		},
+		imageStaticURL,
 	)
 }
 
 func (e *emojiDB) PutEmojiCategory(ctx context.Context, emojiCategory *gtsmodel.EmojiCategory) db.Error {
-	if _, err := e.conn.NewInsert().Model(emojiCategory).Exec(ctx); err != nil {
+	return e.categoryCache.Store(emojiCategory, func() error {
+		_, err := e.conn.NewInsert().Model(emojiCategory).Exec(ctx)
 		return e.conn.ProcessError(err)
-	}
-
-	e.categoryCache.Put(emojiCategory)
-	return nil
+	})
 }
 
 func (e *emojiDB) GetEmojiCategories(ctx context.Context) ([]*gtsmodel.EmojiCategory, db.Error) {
@@ -338,45 +363,36 @@ func (e *emojiDB) GetEmojiCategories(ctx context.Context) ([]*gtsmodel.EmojiCate
 func (e *emojiDB) GetEmojiCategory(ctx context.Context, id string) (*gtsmodel.EmojiCategory, db.Error) {
 	return e.getEmojiCategory(
 		ctx,
-		func() (*gtsmodel.EmojiCategory, bool) {
-			return e.categoryCache.GetByID(id)
-		},
+		"ID",
 		func(emojiCategory *gtsmodel.EmojiCategory) error {
 			return e.newEmojiCategoryQ(emojiCategory).Where("? = ?", bun.Ident("emoji_category.id"), id).Scan(ctx)
 		},
+		id,
 	)
 }
 
 func (e *emojiDB) GetEmojiCategoryByName(ctx context.Context, name string) (*gtsmodel.EmojiCategory, db.Error) {
 	return e.getEmojiCategory(
 		ctx,
-		func() (*gtsmodel.EmojiCategory, bool) {
-			return e.categoryCache.GetByName(name)
-		},
+		"Name",
 		func(emojiCategory *gtsmodel.EmojiCategory) error {
 			return e.newEmojiCategoryQ(emojiCategory).Where("LOWER(?) = ?", bun.Ident("emoji_category.name"), strings.ToLower(name)).Scan(ctx)
 		},
+		name,
 	)
 }
 
-func (e *emojiDB) getEmoji(ctx context.Context, cacheGet func() (*gtsmodel.Emoji, bool), dbQuery func(*gtsmodel.Emoji) error) (*gtsmodel.Emoji, db.Error) {
-	// Attempt to fetch cached emoji
-	emoji, cached := cacheGet()
-
-	if !cached {
-		emoji = &gtsmodel.Emoji{}
+func (e *emojiDB) getEmoji(ctx context.Context, lookup string, dbQuery func(*gtsmodel.Emoji) error, keyParts ...any) (*gtsmodel.Emoji, db.Error) {
+	return e.emojiCache.Load(lookup, func() (*gtsmodel.Emoji, error) {
+		var emoji gtsmodel.Emoji
 
 		// Not cached! Perform database query
-		err := dbQuery(emoji)
-		if err != nil {
+		if err := dbQuery(&emoji); err != nil {
 			return nil, e.conn.ProcessError(err)
 		}
 
-		// Place in the cache
-		e.emojiCache.Put(emoji)
-	}
-
-	return emoji, nil
+		return &emoji, nil
+	}, keyParts...)
 }
 
 func (e *emojiDB) emojisFromIDs(ctx context.Context, emojiIDs []string) ([]*gtsmodel.Emoji, db.Error) {
@@ -399,24 +415,17 @@ func (e *emojiDB) emojisFromIDs(ctx context.Context, emojiIDs []string) ([]*gtsm
 	return emojis, nil
 }
 
-func (e *emojiDB) getEmojiCategory(ctx context.Context, cacheGet func() (*gtsmodel.EmojiCategory, bool), dbQuery func(*gtsmodel.EmojiCategory) error) (*gtsmodel.EmojiCategory, db.Error) {
-	// Attempt to fetch cached emoji categories
-	emojiCategory, cached := cacheGet()
-
-	if !cached {
-		emojiCategory = &gtsmodel.EmojiCategory{}
+func (e *emojiDB) getEmojiCategory(ctx context.Context, lookup string, dbQuery func(*gtsmodel.EmojiCategory) error, keyParts ...any) (*gtsmodel.EmojiCategory, db.Error) {
+	return e.categoryCache.Load(lookup, func() (*gtsmodel.EmojiCategory, error) {
+		var category gtsmodel.EmojiCategory
 
 		// Not cached! Perform database query
-		err := dbQuery(emojiCategory)
-		if err != nil {
+		if err := dbQuery(&category); err != nil {
 			return nil, e.conn.ProcessError(err)
 		}
 
-		// Place in the cache
-		e.categoryCache.Put(emojiCategory)
-	}
-
-	return emojiCategory, nil
+		return &category, nil
+	}, keyParts...)
 }
 
 func (e *emojiDB) emojiCategoriesFromIDs(ctx context.Context, emojiCategoryIDs []string) ([]*gtsmodel.EmojiCategory, db.Error) {
diff --git a/internal/db/bundb/mention.go b/internal/db/bundb/mention.go
index 355078021..303e16484 100644
--- a/internal/db/bundb/mention.go
+++ b/internal/db/bundb/mention.go
@@ -20,8 +20,9 @@ package bundb
 
 import (
 	"context"
+	"time"
 
-	"codeberg.org/gruf/go-cache/v2"
+	"codeberg.org/gruf/go-cache/v3/result"
 	"github.com/superseriousbusiness/gotosocial/internal/db"
 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
 	"github.com/superseriousbusiness/gotosocial/internal/log"
@@ -30,7 +31,22 @@ import (
 
 type mentionDB struct {
 	conn  *DBConn
-	cache cache.Cache[string, *gtsmodel.Mention]
+	cache *result.Cache[*gtsmodel.Mention]
+}
+
+func (m *mentionDB) init() {
+	// Initialize notification result cache
+	m.cache = result.NewSized([]result.Lookup{
+		{Name: "ID"},
+	}, func(m1 *gtsmodel.Mention) *gtsmodel.Mention {
+		m2 := new(gtsmodel.Mention)
+		*m2 = *m1
+		return m2
+	}, 1000)
+
+	// Set cache TTL and start sweep routine
+	m.cache.SetTTL(time.Minute*5, false)
+	m.cache.Start(time.Second * 10)
 }
 
 func (m *mentionDB) newMentionQ(i interface{}) *bun.SelectQuery {
@@ -42,27 +58,19 @@ func (m *mentionDB) newMentionQ(i interface{}) *bun.SelectQuery {
 		Relation("TargetAccount")
 }
 
-func (m *mentionDB) getMentionDB(ctx context.Context, id string) (*gtsmodel.Mention, db.Error) {
-	mention := gtsmodel.Mention{}
-
-	q := m.newMentionQ(&mention).
-		Where("? = ?", bun.Ident("mention.id"), id)
-
-	if err := q.Scan(ctx); err != nil {
-		return nil, m.conn.ProcessError(err)
-	}
+func (m *mentionDB) GetMention(ctx context.Context, id string) (*gtsmodel.Mention, db.Error) {
+	return m.cache.Load("ID", func() (*gtsmodel.Mention, error) {
+		var mention gtsmodel.Mention
 
-	copy := mention
-	m.cache.Set(mention.ID, &copy)
+		q := m.newMentionQ(&mention).
+			Where("? = ?", bun.Ident("mention.id"), id)
 
-	return &mention, nil
-}
+		if err := q.Scan(ctx); err != nil {
+			return nil, m.conn.ProcessError(err)
+		}
 
-func (m *mentionDB) GetMention(ctx context.Context, id string) (*gtsmodel.Mention, db.Error) {
-	if mention, ok := m.cache.Get(id); ok {
-		return mention, nil
-	}
-	return m.getMentionDB(ctx, id)
+		return &mention, nil
+	}, id)
 }
 
 func (m *mentionDB) GetMentions(ctx context.Context, ids []string) ([]*gtsmodel.Mention, db.Error) {
diff --git a/internal/db/bundb/notification.go b/internal/db/bundb/notification.go
index 69e3cf39f..1874f81ea 100644
--- a/internal/db/bundb/notification.go
+++ b/internal/db/bundb/notification.go
@@ -20,8 +20,9 @@ package bundb
 
 import (
 	"context"
+	"time"
 
-	"codeberg.org/gruf/go-cache/v2"
+	"codeberg.org/gruf/go-cache/v3/result"
 	"github.com/superseriousbusiness/gotosocial/internal/db"
 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
 	"github.com/superseriousbusiness/gotosocial/internal/log"
@@ -30,31 +31,40 @@ import (
 
 type notificationDB struct {
 	conn  *DBConn
-	cache cache.Cache[string, *gtsmodel.Notification]
+	cache *result.Cache[*gtsmodel.Notification]
 }
 
-func (n *notificationDB) GetNotification(ctx context.Context, id string) (*gtsmodel.Notification, db.Error) {
-	if notification, ok := n.cache.Get(id); ok {
-		return notification, nil
-	}
-
-	dst := gtsmodel.Notification{ID: id}
-
-	q := n.conn.NewSelect().
-		Model(&dst).
-		Relation("OriginAccount").
-		Relation("TargetAccount").
-		Relation("Status").
-		Where("? = ?", bun.Ident("notification.id"), id)
-
-	if err := q.Scan(ctx); err != nil {
-		return nil, n.conn.ProcessError(err)
-	}
+func (n *notificationDB) init() {
+	// Initialize notification result cache
+	n.cache = result.NewSized([]result.Lookup{
+		{Name: "ID"},
+	}, func(n1 *gtsmodel.Notification) *gtsmodel.Notification {
+		n2 := new(gtsmodel.Notification)
+		*n2 = *n1
+		return n2
+	}, 1000)
+
+	// Set cache TTL and start sweep routine
+	n.cache.SetTTL(time.Minute*5, false)
+	n.cache.Start(time.Second * 10)
+}
 
-	copy := dst
-	n.cache.Set(id, &copy)
+func (n *notificationDB) GetNotification(ctx context.Context, id string) (*gtsmodel.Notification, db.Error) {
+	return n.cache.Load("ID", func() (*gtsmodel.Notification, error) {
+		var notif gtsmodel.Notification
+
+		q := n.conn.NewSelect().
+			Model(&notif).
+			Relation("OriginAccount").
+			Relation("TargetAccount").
+			Relation("Status").
+			Where("? = ?", bun.Ident("notification.id"), id)
+		if err := q.Scan(ctx); err != nil {
+			return nil, n.conn.ProcessError(err)
+		}
 
-	return &dst, nil
+		return &notif, nil
+	}, id)
 }
 
 func (n *notificationDB) GetNotifications(ctx context.Context, accountID string, excludeTypes []string, limit int, maxID string, sinceID string) ([]*gtsmodel.Notification, db.Error) {
diff --git a/internal/db/bundb/status.go b/internal/db/bundb/status.go
index bc72c2849..b4ae40607 100644
--- a/internal/db/bundb/status.go
+++ b/internal/db/bundb/status.go
@@ -25,7 +25,7 @@ import (
 	"errors"
 	"time"
 
-	"github.com/superseriousbusiness/gotosocial/internal/cache"
+	"codeberg.org/gruf/go-cache/v3/result"
 	"github.com/superseriousbusiness/gotosocial/internal/db"
 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
 	"github.com/superseriousbusiness/gotosocial/internal/log"
@@ -33,15 +33,28 @@ import (
 )
 
 type statusDB struct {
-	conn  *DBConn
-	cache *cache.StatusCache
-
-	// TODO: keep method definitions in same place but instead have receiver
-	//       all point to one single "db" type, so they can all share methods
-	//       and caches where necessary
+	conn     *DBConn
+	cache    *result.Cache[*gtsmodel.Status]
 	accounts *accountDB
 }
 
+func (s *statusDB) init() {
+	// Initialize status result cache
+	s.cache = result.NewSized([]result.Lookup{
+		{Name: "ID"},
+		{Name: "URI"},
+		{Name: "URL"},
+	}, func(s1 *gtsmodel.Status) *gtsmodel.Status {
+		s2 := new(gtsmodel.Status)
+		*s2 = *s1
+		return s2
+	}, 1000)
+
+	// Set cache TTL and start sweep routine
+	s.cache.SetTTL(time.Minute*5, false)
+	s.cache.Start(time.Second * 10)
+}
+
 func (s *statusDB) newStatusQ(status interface{}) *bun.SelectQuery {
 	return s.conn.
 		NewSelect().
@@ -68,61 +81,62 @@ func (s *statusDB) newFaveQ(faves interface{}) *bun.SelectQuery {
 func (s *statusDB) GetStatusByID(ctx context.Context, id string) (*gtsmodel.Status, db.Error) {
 	return s.getStatus(
 		ctx,
-		func() (*gtsmodel.Status, bool) {
-			return s.cache.GetByID(id)
-		},
+		"ID",
 		func(status *gtsmodel.Status) error {
 			return s.newStatusQ(status).Where("? = ?", bun.Ident("status.id"), id).Scan(ctx)
 		},
+		id,
 	)
 }
 
 func (s *statusDB) GetStatusByURI(ctx context.Context, uri string) (*gtsmodel.Status, db.Error) {
 	return s.getStatus(
 		ctx,
-		func() (*gtsmodel.Status, bool) {
-			return s.cache.GetByURI(uri)
-		},
+		"URI",
 		func(status *gtsmodel.Status) error {
 			return s.newStatusQ(status).Where("? = ?", bun.Ident("status.uri"), uri).Scan(ctx)
 		},
+		uri,
 	)
 }
 
 func (s *statusDB) GetStatusByURL(ctx context.Context, url string) (*gtsmodel.Status, db.Error) {
 	return s.getStatus(
 		ctx,
-		func() (*gtsmodel.Status, bool) {
-			return s.cache.GetByURL(url)
-		},
+		"URL",
 		func(status *gtsmodel.Status) error {
 			return s.newStatusQ(status).Where("? = ?", bun.Ident("status.url"), url).Scan(ctx)
 		},
+		url,
 	)
 }
 
-func (s *statusDB) getStatus(ctx context.Context, cacheGet func() (*gtsmodel.Status, bool), dbQuery func(*gtsmodel.Status) error) (*gtsmodel.Status, db.Error) {
-	// Attempt to fetch cached status
-	status, cached := cacheGet()
-
-	if !cached {
-		status = &gtsmodel.Status{}
+func (s *statusDB) getStatus(ctx context.Context, lookup string, dbQuery func(*gtsmodel.Status) error, keyParts ...any) (*gtsmodel.Status, db.Error) {
+	// Fetch status from database cache with loader callback
+	status, err := s.cache.Load(lookup, func() (*gtsmodel.Status, error) {
+		var status gtsmodel.Status
 
 		// Not cached! Perform database query
-		if err := dbQuery(status); err != nil {
+		if err := dbQuery(&status); err != nil {
 			return nil, s.conn.ProcessError(err)
 		}
 
 		// If there is boosted, fetch from DB also
 		if status.BoostOfID != "" {
-			boostOf, err := s.GetStatusByID(ctx, status.BoostOfID)
-			if err == nil {
-				status.BoostOf = boostOf
+			status.BoostOf = &gtsmodel.Status{}
+			err := s.newStatusQ(status.BoostOf).
+				Where("? = ?", bun.Ident("status.id"), status.BoostOfID).
+				Scan(ctx)
+			if err != nil {
+				return nil, s.conn.ProcessError(err)
 			}
 		}
 
-		// Place in the cache
-		s.cache.Put(status)
+		return &status, nil
+	}, keyParts...)
+	if err != nil {
+		// error already processed
+		return nil, err
 	}
 
 	// Set the status author account
@@ -137,73 +151,66 @@ func (s *statusDB) getStatus(ctx context.Context, cacheGet func() (*gtsmodel.Sta
 }
 
 func (s *statusDB) PutStatus(ctx context.Context, status *gtsmodel.Status) db.Error {
-	err := s.conn.RunInTx(ctx, func(tx bun.Tx) error {
-		// create links between this status and any emojis it uses
-		for _, i := range status.EmojiIDs {
-			if _, err := tx.
-				NewInsert().
-				Model(&gtsmodel.StatusToEmoji{
-					StatusID: status.ID,
-					EmojiID:  i,
-				}).Exec(ctx); err != nil {
-				err = s.conn.errProc(err)
-				if !errors.Is(err, db.ErrAlreadyExists) {
-					return err
+	return s.cache.Store(status, func() error {
+		// It is safe to run this database transaction within cache.Store
+		// as the cache does not attempt a mutex lock until AFTER hook.
+		//
+		return s.conn.RunInTx(ctx, func(tx bun.Tx) error {
+			// create links between this status and any emojis it uses
+			for _, i := range status.EmojiIDs {
+				if _, err := tx.
+					NewInsert().
+					Model(&gtsmodel.StatusToEmoji{
+						StatusID: status.ID,
+						EmojiID:  i,
+					}).Exec(ctx); err != nil {
+					err = s.conn.ProcessError(err)
+					if !errors.Is(err, db.ErrAlreadyExists) {
+						return err
+					}
 				}
 			}
-		}
 
-		// create links between this status and any tags it uses
-		for _, i := range status.TagIDs {
-			if _, err := tx.
-				NewInsert().
-				Model(&gtsmodel.StatusToTag{
-					StatusID: status.ID,
-					TagID:    i,
-				}).Exec(ctx); err != nil {
-				err = s.conn.errProc(err)
-				if !errors.Is(err, db.ErrAlreadyExists) {
-					return err
+			// create links between this status and any tags it uses
+			for _, i := range status.TagIDs {
+				if _, err := tx.
+					NewInsert().
+					Model(&gtsmodel.StatusToTag{
+						StatusID: status.ID,
+						TagID:    i,
+					}).Exec(ctx); err != nil {
+					err = s.conn.ProcessError(err)
+					if !errors.Is(err, db.ErrAlreadyExists) {
+						return err
+					}
 				}
 			}
-		}
 
-		// change the status ID of the media attachments to the new status
-		for _, a := range status.Attachments {
-			a.StatusID = status.ID
-			a.UpdatedAt = time.Now()
-			if _, err := tx.
-				NewUpdate().
-				Model(a).
-				Where("? = ?", bun.Ident("media_attachment.id"), a.ID).
-				Exec(ctx); err != nil {
-				err = s.conn.errProc(err)
-				if !errors.Is(err, db.ErrAlreadyExists) {
-					return err
+			// change the status ID of the media attachments to the new status
+			for _, a := range status.Attachments {
+				a.StatusID = status.ID
+				a.UpdatedAt = time.Now()
+				if _, err := tx.
+					NewUpdate().
+					Model(a).
+					Where("? = ?", bun.Ident("media_attachment.id"), a.ID).
+					Exec(ctx); err != nil {
+					err = s.conn.ProcessError(err)
+					if !errors.Is(err, db.ErrAlreadyExists) {
+						return err
+					}
 				}
 			}
-		}
 
-		// Finally, insert the status
-		if _, err := tx.
-			NewInsert().
-			Model(status).
-			Exec(ctx); err != nil {
+			// Finally, insert the status
+			_, err := tx.NewInsert().Model(status).Exec(ctx)
 			return err
-		}
-
-		return nil
+		})
 	})
-	if err != nil {
-		return s.conn.ProcessError(err)
-	}
-
-	s.cache.Put(status)
-	return nil
 }
 
-func (s *statusDB) UpdateStatus(ctx context.Context, status *gtsmodel.Status) (*gtsmodel.Status, db.Error) {
-	err := s.conn.RunInTx(ctx, func(tx bun.Tx) error {
+func (s *statusDB) UpdateStatus(ctx context.Context, status *gtsmodel.Status) db.Error {
+	if err := s.conn.RunInTx(ctx, func(tx bun.Tx) error {
 		// create links between this status and any emojis it uses
 		for _, i := range status.EmojiIDs {
 			if _, err := tx.
@@ -212,7 +219,7 @@ func (s *statusDB) UpdateStatus(ctx context.Context, status *gtsmodel.Status) (*
 					StatusID: status.ID,
 					EmojiID:  i,
 				}).Exec(ctx); err != nil {
-				err = s.conn.errProc(err)
+				err = s.conn.ProcessError(err)
 				if !errors.Is(err, db.ErrAlreadyExists) {
 					return err
 				}
@@ -227,14 +234,14 @@ func (s *statusDB) UpdateStatus(ctx context.Context, status *gtsmodel.Status) (*
 					StatusID: status.ID,
 					TagID:    i,
 				}).Exec(ctx); err != nil {
-				err = s.conn.errProc(err)
+				err = s.conn.ProcessError(err)
 				if !errors.Is(err, db.ErrAlreadyExists) {
 					return err
 				}
 			}
 		}
 
-		// change the status ID of the media attachments to this status
+		// change the status ID of the media attachments to the new status
 		for _, a := range status.Attachments {
 			a.StatusID = status.ID
 			a.UpdatedAt = time.Now()
@@ -243,31 +250,31 @@ func (s *statusDB) UpdateStatus(ctx context.Context, status *gtsmodel.Status) (*
 				Model(a).
 				Where("? = ?", bun.Ident("media_attachment.id"), a.ID).
 				Exec(ctx); err != nil {
-				return err
+				err = s.conn.ProcessError(err)
+				if !errors.Is(err, db.ErrAlreadyExists) {
+					return err
+				}
 			}
 		}
 
-		// Finally, update the status itself
-		if _, err := tx.
+		// Finally, insert the status
+		_, err := tx.
 			NewUpdate().
 			Model(status).
 			Where("? = ?", bun.Ident("status.id"), status.ID).
-			Exec(ctx); err != nil {
-			return err
-		}
-
-		return nil
-	})
-	if err != nil {
-		return nil, s.conn.ProcessError(err)
+			Exec(ctx)
+		return err
+	}); err != nil {
+		return err
 	}
 
-	s.cache.Put(status)
-	return status, nil
+	// Drop any old value from cache by this ID
+	s.cache.Invalidate("ID", status.ID)
+	return nil
 }
 
 func (s *statusDB) DeleteStatusByID(ctx context.Context, id string) db.Error {
-	err := s.conn.RunInTx(ctx, func(tx bun.Tx) error {
+	if err := s.conn.RunInTx(ctx, func(tx bun.Tx) error {
 		// delete links between this status and any emojis it uses
 		if _, err := tx.
 			NewDelete().
@@ -296,36 +303,41 @@ func (s *statusDB) DeleteStatusByID(ctx context.Context, id string) db.Error {
 		}
 
 		return nil
-	})
-	if err != nil {
-		return s.conn.ProcessError(err)
+	}); err != nil {
+		return err
 	}
 
-	s.cache.Invalidate(id)
+	// Drop any old value from cache by this ID
+	s.cache.Invalidate("ID", id)
 	return nil
 }
 
 func (s *statusDB) GetStatusParents(ctx context.Context, status *gtsmodel.Status, onlyDirect bool) ([]*gtsmodel.Status, db.Error) {
-	parents := []*gtsmodel.Status{}
-	s.statusParent(ctx, status, &parents, onlyDirect)
-	return parents, nil
-}
-
-func (s *statusDB) statusParent(ctx context.Context, status *gtsmodel.Status, foundStatuses *[]*gtsmodel.Status, onlyDirect bool) {
-	if status.InReplyToID == "" {
-		return
+	if onlyDirect {
+		// Only want the direct parent, no further than first level
+		parent, err := s.GetStatusByID(ctx, status.InReplyToID)
+		if err != nil {
+			return nil, err
+		}
+		return []*gtsmodel.Status{parent}, nil
 	}
 
-	parentStatus, err := s.GetStatusByID(ctx, status.InReplyToID)
-	if err == nil {
-		*foundStatuses = append(*foundStatuses, parentStatus)
-	}
+	var parents []*gtsmodel.Status
 
-	if onlyDirect {
-		return
+	for id := status.InReplyToID; id != ""; {
+		parent, err := s.GetStatusByID(ctx, id)
+		if err != nil {
+			return nil, err
+		}
+
+		// Append parent to slice
+		parents = append(parents, parent)
+
+		// Set the next parent ID
+		id = parent.InReplyToID
 	}
 
-	s.statusParent(ctx, parentStatus, foundStatuses, false)
+	return parents, nil
 }
 
 func (s *statusDB) GetStatusChildren(ctx context.Context, status *gtsmodel.Status, onlyDirect bool, minID string) ([]*gtsmodel.Status, db.Error) {
@@ -350,7 +362,7 @@ func (s *statusDB) GetStatusChildren(ctx context.Context, status *gtsmodel.Statu
 }
 
 func (s *statusDB) statusChildren(ctx context.Context, status *gtsmodel.Status, foundStatuses *list.List, onlyDirect bool, minID string) {
-	childIDs := []string{}
+	var childIDs []string
 
 	q := s.conn.
 		NewSelect().
@@ -471,6 +483,7 @@ func (s *statusDB) GetStatusFaves(ctx context.Context, status *gtsmodel.Status)
 	if err := q.Scan(ctx); err != nil {
 		return nil, s.conn.ProcessError(err)
 	}
+
 	return faves, nil
 }
 
diff --git a/internal/db/bundb/timeline_test.go b/internal/db/bundb/timeline_test.go
index 9b6365621..066f55234 100644
--- a/internal/db/bundb/timeline_test.go
+++ b/internal/db/bundb/timeline_test.go
@@ -35,44 +35,52 @@ type TimelineTestSuite struct {
 }
 
 func (suite *TimelineTestSuite) TestGetPublicTimeline() {
-	s, err := suite.db.GetPublicTimeline(context.Background(), "", "", "", 20, false)
+	ctx := context.Background()
+
+	s, err := suite.db.GetPublicTimeline(ctx, "", "", "", 20, false)
 	suite.NoError(err)
 
 	suite.Len(s, 6)
 }
 
 func (suite *TimelineTestSuite) TestGetPublicTimelineWithFutureStatus() {
+	ctx := context.Background()
+
 	futureStatus := getFutureStatus()
-	if err := suite.db.Put(context.Background(), futureStatus); err != nil {
-		suite.FailNow(err.Error())
-	}
+	err := suite.db.PutStatus(ctx, futureStatus)
+	suite.NoError(err)
 
-	s, err := suite.db.GetPublicTimeline(context.Background(), "", "", "", 20, false)
+	s, err := suite.db.GetPublicTimeline(ctx, "", "", "", 20, false)
 	suite.NoError(err)
 
+	suite.NotContains(s, futureStatus)
 	suite.Len(s, 6)
 }
 
 func (suite *TimelineTestSuite) TestGetHomeTimeline() {
+	ctx := context.Background()
+
 	viewingAccount := suite.testAccounts["local_account_1"]
 
-	s, err := suite.db.GetHomeTimeline(context.Background(), viewingAccount.ID, "", "", "", 20, false)
+	s, err := suite.db.GetHomeTimeline(ctx, viewingAccount.ID, "", "", "", 20, false)
 	suite.NoError(err)
 
 	suite.Len(s, 16)
 }
 
 func (suite *TimelineTestSuite) TestGetHomeTimelineWithFutureStatus() {
+	ctx := context.Background()
+
 	viewingAccount := suite.testAccounts["local_account_1"]
 
 	futureStatus := getFutureStatus()
-	if err := suite.db.Put(context.Background(), futureStatus); err != nil {
-		suite.FailNow(err.Error())
-	}
+	err := suite.db.PutStatus(ctx, futureStatus)
+	suite.NoError(err)
 
 	s, err := suite.db.GetHomeTimeline(context.Background(), viewingAccount.ID, "", "", "", 20, false)
 	suite.NoError(err)
 
+	suite.NotContains(s, futureStatus)
 	suite.Len(s, 16)
 }
 
diff --git a/internal/db/bundb/tombstone.go b/internal/db/bundb/tombstone.go
index 7ce3327a7..309a39fd3 100644
--- a/internal/db/bundb/tombstone.go
+++ b/internal/db/bundb/tombstone.go
@@ -43,7 +43,7 @@ func (t *tombstoneDB) init() {
 		t2 := new(gtsmodel.Tombstone)
 		*t2 = *t1
 		return t2
-	}, 1000)
+	}, 100)
 
 	// Set cache TTL and start sweep routine
 	t.cache.SetTTL(time.Minute*5, false)
diff --git a/internal/db/bundb/user.go b/internal/db/bundb/user.go
index aa2f4c2c8..d9b281a6f 100644
--- a/internal/db/bundb/user.go
+++ b/internal/db/bundb/user.go
@@ -22,7 +22,7 @@ import (
 	"context"
 	"time"
 
-	"github.com/superseriousbusiness/gotosocial/internal/cache"
+	"codeberg.org/gruf/go-cache/v3/result"
 	"github.com/superseriousbusiness/gotosocial/internal/db"
 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
 	"github.com/uptrace/bun"
@@ -30,111 +30,121 @@ import (
 
 type userDB struct {
 	conn  *DBConn
-	cache *cache.UserCache
+	cache *result.Cache[*gtsmodel.User]
 }
 
-func (u *userDB) newUserQ(user *gtsmodel.User) *bun.SelectQuery {
-	return u.conn.
-		NewSelect().
-		Model(user).
-		Relation("Account")
+func (u *userDB) init() {
+	// Initialize user result cache
+	u.cache = result.NewSized([]result.Lookup{
+		{Name: "ID"},
+		{Name: "AccountID"},
+		{Name: "Email"},
+		{Name: "ConfirmationToken"},
+	}, func(u1 *gtsmodel.User) *gtsmodel.User {
+		u2 := new(gtsmodel.User)
+		*u2 = *u1
+		return u2
+	}, 1000)
+
+	// Set cache TTL and start sweep routine
+	u.cache.SetTTL(time.Minute*5, false)
+	u.cache.Start(time.Second * 10)
 }
 
-func (u *userDB) getUser(ctx context.Context, cacheGet func() (*gtsmodel.User, bool), dbQuery func(*gtsmodel.User) error) (*gtsmodel.User, db.Error) {
-	// Attempt to fetch cached user
-	user, cached := cacheGet()
+func (u *userDB) GetUserByID(ctx context.Context, id string) (*gtsmodel.User, db.Error) {
+	return u.cache.Load("ID", func() (*gtsmodel.User, error) {
+		var user gtsmodel.User
 
-	if !cached {
-		user = &gtsmodel.User{}
+		q := u.conn.
+			NewSelect().
+			Model(&user).
+			Relation("Account").
+			Where("? = ?", bun.Ident("user.id"), id)
 
-		// Not cached! Perform database query
-		err := dbQuery(user)
-		if err != nil {
+		if err := q.Scan(ctx); err != nil {
 			return nil, u.conn.ProcessError(err)
 		}
 
-		// Place in the cache
-		u.cache.Put(user)
-	}
-
-	return user, nil
-}
-
-func (u *userDB) GetUserByID(ctx context.Context, id string) (*gtsmodel.User, db.Error) {
-	return u.getUser(
-		ctx,
-		func() (*gtsmodel.User, bool) {
-			return u.cache.GetByID(id)
-		},
-		func(user *gtsmodel.User) error {
-			return u.newUserQ(user).Where("? = ?", bun.Ident("user.id"), id).Scan(ctx)
-		},
-	)
+		return &user, nil
+	}, id)
 }
 
 func (u *userDB) GetUserByAccountID(ctx context.Context, accountID string) (*gtsmodel.User, db.Error) {
-	return u.getUser(
-		ctx,
-		func() (*gtsmodel.User, bool) {
-			return u.cache.GetByAccountID(accountID)
-		},
-		func(user *gtsmodel.User) error {
-			return u.newUserQ(user).Where("? = ?", bun.Ident("user.account_id"), accountID).Scan(ctx)
-		},
-	)
+	return u.cache.Load("AccountID", func() (*gtsmodel.User, error) {
+		var user gtsmodel.User
+
+		q := u.conn.
+			NewSelect().
+			Model(&user).
+			Relation("Account").
+			Where("? = ?", bun.Ident("user.account_id"), accountID)
+
+		if err := q.Scan(ctx); err != nil {
+			return nil, u.conn.ProcessError(err)
+		}
+
+		return &user, nil
+	}, accountID)
 }
 
 func (u *userDB) GetUserByEmailAddress(ctx context.Context, emailAddress string) (*gtsmodel.User, db.Error) {
-	return u.getUser(
-		ctx,
-		func() (*gtsmodel.User, bool) {
-			return u.cache.GetByEmail(emailAddress)
-		},
-		func(user *gtsmodel.User) error {
-			return u.newUserQ(user).Where("? = ?", bun.Ident("user.email"), emailAddress).Scan(ctx)
-		},
-	)
+	return u.cache.Load("Email", func() (*gtsmodel.User, error) {
+		var user gtsmodel.User
+
+		q := u.conn.
+			NewSelect().
+			Model(&user).
+			Relation("Account").
+			Where("? = ?", bun.Ident("user.email"), emailAddress)
+
+		if err := q.Scan(ctx); err != nil {
+			return nil, u.conn.ProcessError(err)
+		}
+
+		return &user, nil
+	}, emailAddress)
 }
 
 func (u *userDB) GetUserByConfirmationToken(ctx context.Context, confirmationToken string) (*gtsmodel.User, db.Error) {
-	return u.getUser(
-		ctx,
-		func() (*gtsmodel.User, bool) {
-			return u.cache.GetByConfirmationToken(confirmationToken)
-		},
-		func(user *gtsmodel.User) error {
-			return u.newUserQ(user).Where("? = ?", bun.Ident("user.confirmation_token"), confirmationToken).Scan(ctx)
-		},
-	)
-}
+	return u.cache.Load("ConfirmationToken", func() (*gtsmodel.User, error) {
+		var user gtsmodel.User
 
-func (u *userDB) PutUser(ctx context.Context, user *gtsmodel.User) (*gtsmodel.User, db.Error) {
-	if _, err := u.conn.
-		NewInsert().
-		Model(user).
-		Exec(ctx); err != nil {
-		return nil, u.conn.ProcessError(err)
-	}
+		q := u.conn.
+			NewSelect().
+			Model(&user).
+			Relation("Account").
+			Where("? = ?", bun.Ident("user.confirmation_token"), confirmationToken)
 
-	u.cache.Put(user)
-	return user, nil
+		if err := q.Scan(ctx); err != nil {
+			return nil, u.conn.ProcessError(err)
+		}
+
+		return &user, nil
+	}, confirmationToken)
 }
 
-func (u *userDB) UpdateUser(ctx context.Context, user *gtsmodel.User, columns ...string) (*gtsmodel.User, db.Error) {
+func (u *userDB) PutUser(ctx context.Context, user *gtsmodel.User) db.Error {
+	return u.cache.Store(user, func() error {
+		_, err := u.conn.
+			NewInsert().
+			Model(user).
+			Exec(ctx)
+		return u.conn.ProcessError(err)
+	})
+}
+
+func (u *userDB) UpdateUser(ctx context.Context, user *gtsmodel.User) db.Error {
 	// Update the user's last-updated
 	user.UpdatedAt = time.Now()
 
-	if _, err := u.conn.
-		NewUpdate().
-		Model(user).
-		Where("? = ?", bun.Ident("user.id"), user.ID).
-		Column(columns...).
-		Exec(ctx); err != nil {
-		return nil, u.conn.ProcessError(err)
-	}
-
-	u.cache.Invalidate(user.ID)
-	return user, nil
+	return u.cache.Store(user, func() error {
+		_, err := u.conn.
+			NewUpdate().
+			Model(user).
+			Where("? = ?", bun.Ident("user.id"), user.ID).
+			Exec(ctx)
+		return u.conn.ProcessError(err)
+	})
 }
 
 func (u *userDB) DeleteUserByID(ctx context.Context, userID string) db.Error {
@@ -146,6 +156,7 @@ func (u *userDB) DeleteUserByID(ctx context.Context, userID string) db.Error {
 		return u.conn.ProcessError(err)
 	}
 
-	u.cache.Invalidate(userID)
+	// Invalidate user from cache
+	u.cache.Invalidate("ID", userID)
 	return nil
 }
diff --git a/internal/db/bundb/user_test.go b/internal/db/bundb/user_test.go
index 6ad59fc8e..18f67dde5 100644
--- a/internal/db/bundb/user_test.go
+++ b/internal/db/bundb/user_test.go
@@ -50,21 +50,20 @@ func (suite *UserTestSuite) TestGetUserByAccountID() {
 
 func (suite *UserTestSuite) TestUpdateUserSelectedColumns() {
 	testUser := suite.testUsers["local_account_1"]
-	user := &gtsmodel.User{
-		ID:     testUser.ID,
-		Email:  "whatever",
-		Locale: "es",
-	}
 
-	user, err := suite.db.UpdateUser(context.Background(), user, "email", "locale")
+	updateUser := new(gtsmodel.User)
+	*updateUser = *testUser
+	updateUser.Email = "whatever"
+	updateUser.Locale = "es"
+
+	err := suite.db.UpdateUser(context.Background(), updateUser)
 	suite.NoError(err)
-	suite.NotNil(user)
 
 	dbUser, err := suite.db.GetUserByID(context.Background(), testUser.ID)
 	suite.NoError(err)
 	suite.NotNil(dbUser)
-	suite.Equal("whatever", dbUser.Email)
-	suite.Equal("es", dbUser.Locale)
+	suite.Equal(updateUser.Email, dbUser.Email)
+	suite.Equal(updateUser.Locale, dbUser.Locale)
 	suite.Equal(testUser.AccountID, dbUser.AccountID)
 }