Update for latest go sdk

tutorials/tour-of-restate-go/app/cartobject.go

@@ -9,12 +9,12 @@ func (CartObject) AddTicket(ctx restate.ObjectContext, ticketId string) (bool, e
 	return true, nil
 }
 
-func (CartObject) Checkout(ctx restate.ObjectContext, _ restate.Void) (bool, error) {
+func (CartObject) Checkout(ctx restate.ObjectContext) (bool, error) {
 	return true, nil
 }
 
-func (CartObject) ExpireTicket(ctx restate.ObjectContext, ticketId string) (restate.Void, error) {
-	return restate.Void{}, nil
+func (CartObject) ExpireTicket(ctx restate.ObjectContext, ticketId string) error {
+	return nil
 }
 
 // <end_user_session>

tutorials/tour-of-restate-go/app/ticketobject.go

@@ -4,14 +4,14 @@ import restate "github.com/restatedev/sdk-go"
 
 type TicketObject struct{}
 
-func (TicketObject) Reserve(ctx restate.ObjectContext, _ restate.Void) (bool, error) {
+func (TicketObject) Reserve(ctx restate.ObjectContext) (bool, error) {
 	return true, nil
 }
 
-func (TicketObject) Unreserve(ctx restate.ObjectContext, _ restate.Void) (restate.Void, error) {
-	return restate.Void{}, nil
+func (TicketObject) Unreserve(ctx restate.ObjectContext) error {
+	return nil
 }
 
-func (TicketObject) MarkAsSold(ctx restate.ObjectContext, _ restate.Void) (restate.Void, error) {
-	return restate.Void{}, nil
+func (TicketObject) MarkAsSold(ctx restate.ObjectContext) error {
+	return nil
 }

tutorials/tour-of-restate-go/go.mod

@@ -2,13 +2,13 @@ module github.com/restatedev/examples/tutorials/tour-of-restate-go
 
 go 1.22.5
 
-require github.com/restatedev/sdk-go v0.10.0
+require github.com/restatedev/sdk-go v0.10.1-0.20240822080656-66e4239b3022
 
 require (
 	github.com/golang-jwt/jwt/v5 v5.2.1 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/mr-tron/base58 v1.2.0 // indirect
 	golang.org/x/net v0.23.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
-	google.golang.org/protobuf v1.33.0 // indirect
+	google.golang.org/protobuf v1.34.2 // indirect
 )

tutorials/tour-of-restate-go/go.sum

@@ -10,8 +10,8 @@ github.com/mr-tron/base58 v1.2.0 h1:T/HDJBh4ZCPbU39/+c3rRvE0uKBQlU27+QI8LJ4t64o=
 github.com/mr-tron/base58 v1.2.0/go.mod h1:BinMc/sQntlIE1frQmRFPUoPA1Zkr8VRgBdjWI2mNwc=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/restatedev/sdk-go v0.10.0 h1:JkPxHCqxF3jAT59qSu4TrW7eHFumMQOyv3JrvlDoULY=
-github.com/restatedev/sdk-go v0.10.0/go.mod h1:6gHoU8pyP7YQfFWxKG2u94u/TSGen0qN7BWowWNDw4Y=
+github.com/restatedev/sdk-go v0.10.1-0.20240822080656-66e4239b3022 h1:tCicwLNryIL36E/BIOxHuDXjP21+12NavnaXx5HZbvU=
+github.com/restatedev/sdk-go v0.10.1-0.20240822080656-66e4239b3022/go.mod h1:6gHoU8pyP7YQfFWxKG2u94u/TSGen0qN7BWowWNDw4Y=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 golang.org/x/net v0.23.0 h1:7EYJ93RZ9vYSZAIb2x3lnuvqO5zneoD6IvWjuhfxjTs=
@@ -22,7 +22,7 @@ golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
-google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
+google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

tutorials/tour-of-restate-go/part1/cartobject.go

@@ -7,7 +7,7 @@ type CartObject struct{}
 // <start_add_ticket>
 func (CartObject) AddTicket(ctx restate.ObjectContext, ticketId string) (bool, error) {
 	// withClass highlight-line
-	reservationSuccess, err := restate.CallAs[bool](ctx.Object("TicketObject", ticketId, "Reserve")).Request(restate.Void{})
+	reservationSuccess, err := restate.Object[bool](ctx, "TicketObject", ticketId, "Reserve").Request(restate.Void{})
 	if err != nil {
 		return false, err
 	}
@@ -18,10 +18,10 @@ func (CartObject) AddTicket(ctx restate.ObjectContext, ticketId string) (bool, e
 // <end_add_ticket>
 
 // <start_checkout>
-func (CartObject) Checkout(ctx restate.ObjectContext, _ restate.Void) (bool, error) {
+func (CartObject) Checkout(ctx restate.ObjectContext) (bool, error) {
 	// withClass(1:2) highlight-line
-	success, err := restate.CallAs[bool](ctx.Service("CheckoutService", "Handle")).
-		Request(CheckoutRequest{UserId: ctx.Key(), Tickets: []string{"seat2B"}})
+	success, err := restate.Service[bool](ctx, "CheckoutService", "Handle").
+		Request(CheckoutRequest{UserId: restate.Key(ctx), Tickets: []string{"seat2B"}})
 	if err != nil {
 		return false, err
 	}
@@ -32,13 +32,11 @@ func (CartObject) Checkout(ctx restate.ObjectContext, _ restate.Void) (bool, err
 // <end_checkout>
 
 // <start_expire_ticket>
-func (CartObject) ExpireTicket(ctx restate.ObjectContext, ticketId string) (restate.Void, error) {
+func (CartObject) ExpireTicket(ctx restate.ObjectContext, ticketId string) error {
 	// withClass highlight-line
-	if err := ctx.Object("TicketObject", ticketId, "Unreserve").Send(restate.Void{}, 0); err != nil {
-		return restate.Void{}, err
-	}
+	restate.ObjectSend(ctx, "TicketObject", ticketId, "Unreserve").Send(restate.Void{})
 
-	return restate.Void{}, nil
+	return nil
 }
 
 // <end_expire_ticket>

tutorials/tour-of-restate-go/part1/ticketobject.go

@@ -4,14 +4,14 @@ import restate "github.com/restatedev/sdk-go"
 
 type TicketObject struct{}
 
-func (TicketObject) Reserve(ctx restate.ObjectContext, _ restate.Void) (bool, error) {
+func (TicketObject) Reserve(ctx restate.ObjectContext) (bool, error) {
 	return true, nil
 }
 
-func (TicketObject) Unreserve(ctx restate.ObjectContext, _ restate.Void) (restate.Void, error) {
-	return restate.Void{}, nil
+func (TicketObject) Unreserve(ctx restate.ObjectContext) error {
+	return nil
 }
 
-func (TicketObject) MarkAsSold(ctx restate.ObjectContext, _ restate.Void) (restate.Void, error) {
-	return restate.Void{}, nil
+func (TicketObject) MarkAsSold(ctx restate.ObjectContext) error {
+	return nil
 }

tutorials/tour-of-restate-go/part2/cartobject.go

@@ -11,16 +11,14 @@ type CartObject struct{}
 // <start_add_ticket>
 func (CartObject) AddTicket(ctx restate.ObjectContext, ticketId string) (bool, error) {
 	// withClass highlight-line
-	reservationSuccess, err := restate.CallAs[bool](ctx.Object("TicketObject", ticketId, "Reserve")).Request(restate.Void{})
+	reservationSuccess, err := restate.Object[bool](ctx, "TicketObject", ticketId, "Reserve").Request(restate.Void{})
 	if err != nil {
 		return false, err
 	}
 
 	if reservationSuccess {
 		// withClass highlight-line
-		if err := ctx.Object("CartObject", ctx.Key(), "ExpireTicket").Send(ticketId, 15*time.Minute); err != nil {
-			return false, err
-		}
+		restate.ObjectSend(ctx, "CartObject", restate.Key(ctx), "ExpireTicket").Send(ticketId, restate.WithDelay(15*time.Minute))
 	}
 
 	return reservationSuccess, nil
@@ -29,10 +27,10 @@ func (CartObject) AddTicket(ctx restate.ObjectContext, ticketId string) (bool, e
 // <end_add_ticket>
 
 // <start_checkout>
-func (CartObject) Checkout(ctx restate.ObjectContext, _ restate.Void) (bool, error) {
+func (CartObject) Checkout(ctx restate.ObjectContext) (bool, error) {
 	// withClass(1:2) highlight-line
-	success, err := restate.CallAs[bool](ctx.Service("CheckoutService", "Handle")).
-		Request(CheckoutRequest{UserId: ctx.Key(), Tickets: []string{"seat2B"}})
+	success, err := restate.Service[bool](ctx, "CheckoutService", "Handle").
+		Request(CheckoutRequest{UserId: restate.Key(ctx), Tickets: []string{"seat2B"}})
 	if err != nil {
 		return false, err
 	}
@@ -43,13 +41,11 @@ func (CartObject) Checkout(ctx restate.ObjectContext, _ restate.Void) (bool, err
 // <end_checkout>
 
 // <start_expire_ticket>
-func (CartObject) ExpireTicket(ctx restate.ObjectContext, ticketId string) (restate.Void, error) {
+func (CartObject) ExpireTicket(ctx restate.ObjectContext, ticketId string) error {
 	// withClass highlight-line
-	if err := ctx.Object("TicketObject", ticketId, "Unreserve").Send(restate.Void{}, 0); err != nil {
-		return restate.Void{}, err
-	}
+	restate.ObjectSend(ctx, "TicketObject", ticketId, "Unreserve").Send(restate.Void{})
 
-	return restate.Void{}, nil
+	return nil
 }
 
 // <end_expire_ticket>

tutorials/tour-of-restate-go/part2/ticketobject.go

@@ -4,14 +4,14 @@ import restate "github.com/restatedev/sdk-go"
 
 type TicketObject struct{}
 
-func (TicketObject) Reserve(ctx restate.ObjectContext, _ restate.Void) (bool, error) {
+func (TicketObject) Reserve(ctx restate.ObjectContext) (bool, error) {
 	return true, nil
 }
 
-func (TicketObject) Unreserve(ctx restate.ObjectContext, _ restate.Void) (restate.Void, error) {
-	return restate.Void{}, nil
+func (TicketObject) Unreserve(ctx restate.ObjectContext) error {
+	return nil
 }
 
-func (TicketObject) MarkAsSold(ctx restate.ObjectContext, _ restate.Void) (restate.Void, error) {
-	return restate.Void{}, nil
+func (TicketObject) MarkAsSold(ctx restate.ObjectContext) error {
+	return nil
 }

tutorials/tour-of-restate-go/part3/cartobject.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"errors"
 	"slices"
 	"time"
 
@@ -13,25 +12,21 @@ type CartObject struct{}
 // <start_add_ticket>
 func (CartObject) AddTicket(ctx restate.ObjectContext, ticketId string) (bool, error) {
 	// withClass highlight-line
-	reservationSuccess, err := restate.CallAs[bool](ctx.Object("TicketObject", ticketId, "Reserve")).Request(restate.Void{})
+	reservationSuccess, err := restate.Object[bool](ctx, "TicketObject", ticketId, "Reserve").Request(restate.Void{})
 	if err != nil {
 		return false, err
 	}
 
 	if reservationSuccess {
-		// withClass(1:8) highlight-line
-		tickets, err := restate.GetAs[[]string](ctx, "tickets")
-		if err != nil && !errors.Is(err, restate.ErrKeyNotFound) {
+		// withClass(1:6) highlight-line
+		tickets, err := restate.Get[[]string](ctx, "tickets")
+		if err != nil {
 			return false, err
 		}
 		tickets = append(tickets, ticketId)
-		if err := ctx.Set("tickets", tickets); err != nil {
-			return false, err
-		}
+		restate.Set(ctx, "tickets", tickets)
 
-		if err := ctx.Object("CartObject", ctx.Key(), "ExpireTicket").Send(ticketId, 15*time.Minute); err != nil {
-			return false, err
-		}
+		restate.ObjectSend(ctx, "CartObject", restate.Key(ctx), "ExpireTicket").Send(ticketId, restate.WithDelay(15*time.Minute))
 	}
 
 	return reservationSuccess, nil
@@ -40,25 +35,22 @@ func (CartObject) AddTicket(ctx restate.ObjectContext, ticketId string) (bool, e
 // <end_add_ticket>
 
 // <start_checkout>
-func (CartObject) Checkout(ctx restate.ObjectContext, _ restate.Void) (bool, error) {
-	// withClass(1:7) highlight-line
-	tickets, err := restate.GetAs[[]string](ctx, "tickets")
-	if err != nil && !errors.Is(err, restate.ErrKeyNotFound) {
+func (CartObject) Checkout(ctx restate.ObjectContext) (bool, error) {
+	// withClass(1:4) highlight-line
+	tickets, err := restate.Get[[]string](ctx, "tickets")
+	if err != nil || len(tickets) == 0 {
 		return false, err
 	}
-	if len(tickets) == 0 {
-		return false, nil
-	}
 
-	success, err := restate.CallAs[bool](ctx.Service("CheckoutService", "Handle")).
-		Request(CheckoutRequest{UserId: ctx.Key(), Tickets: []string{"seat2B"}})
+	success, err := restate.Service[bool](ctx, "CheckoutService", "Handle").
+		Request(CheckoutRequest{UserId: restate.Key(ctx), Tickets: []string{"seat2B"}})
 	if err != nil {
 		return false, err
 	}
 
 	if success {
 		// withClass highlight-line
-		ctx.Clear("tickets")
+		restate.Clear(ctx, "tickets")
 	}
 
 	return success, nil
@@ -67,25 +59,21 @@ func (CartObject) Checkout(ctx restate.ObjectContext, _ restate.Void) (bool, err
 // <end_checkout>
 
 // <start_expire_ticket>
-func (CartObject) ExpireTicket(ctx restate.ObjectContext, ticketId string) (restate.Void, error) {
-	tickets, err := restate.GetAs[[]string](ctx, "tickets")
-	if err != nil && !errors.Is(err, restate.ErrKeyNotFound) {
-		return restate.Void{}, err
+func (CartObject) ExpireTicket(ctx restate.ObjectContext, ticketId string) error {
+	tickets, err := restate.Get[[]string](ctx, "tickets")
+	if err != nil {
+		return err
 	}
 	ticketI := slices.Index(tickets, ticketId)
 
 	if ticketI != -1 {
 		tickets = slices.Delete(tickets, ticketI, ticketI+1)
-		if err := ctx.Set("tickets", tickets); err != nil {
-			return restate.Void{}, err
-		}
+		restate.Set(ctx, "tickets", tickets)
 
-		if err := ctx.Object("TicketObject", ticketId, "Unreserve").Send(restate.Void{}, 0); err != nil {
-			return restate.Void{}, err
-		}
+		restate.ObjectSend(ctx, "TicketObject", ticketId, "Unreserve").Send(restate.Void{})
 	}
 
-	return restate.Void{}, nil
+	return nil
 }
 
 // <end_expire_ticket>

tutorials/tour-of-restate-go/part3/ticketobject.go

@@ -1,23 +1,21 @@
 package main
 
 import (
-	"errors"
-
 	"github.com/restatedev/examples/tutorials/tour-of-restate-go/auxiliary"
 	restate "github.com/restatedev/sdk-go"
 )
 
 type TicketObject struct{}
 
 // <start_reserve>
-func (TicketObject) Reserve(ctx restate.ObjectContext, _ restate.Void) (bool, error) {
-	status, err := restate.GetAs[auxiliary.TicketStatus](ctx, "status")
-	if err != nil && !errors.Is(err, restate.ErrKeyNotFound) {
+func (TicketObject) Reserve(ctx restate.ObjectContext) (bool, error) {
+	status, err := restate.Get[auxiliary.TicketStatus](ctx, "status")
+	if err != nil {
 		return false, err
 	}
 
 	if status == auxiliary.TicketStatusAvailable {
-		ctx.Set("status", auxiliary.TicketStatusReserved)
+		restate.Set(ctx, "status", auxiliary.TicketStatusReserved)
 		return true, nil
 	} else {
 		return false, nil
@@ -27,33 +25,33 @@ func (TicketObject) Reserve(ctx restate.ObjectContext, _ restate.Void) (bool, er
 // <end_reserve>
 
 // <start_unreserve>
-func (TicketObject) Unreserve(ctx restate.ObjectContext, _ restate.Void) (restate.Void, error) {
-	status, err := restate.GetAs[auxiliary.TicketStatus](ctx, "status")
-	if err != nil && !errors.Is(err, restate.ErrKeyNotFound) {
-		return restate.Void{}, err
+func (TicketObject) Unreserve(ctx restate.ObjectContext) error {
+	status, err := restate.Get[auxiliary.TicketStatus](ctx, "status")
+	if err != nil {
+		return err
 	}
 
 	if status != auxiliary.TicketStatusSold {
-		ctx.Clear("status")
+		restate.Clear(ctx, "status")
 	}
 
-	return restate.Void{}, nil
+	return nil
 }
 
 // <end_unreserve>
 
 // <start_mark_as_sold>
-func (TicketObject) MarkAsSold(ctx restate.ObjectContext, _ restate.Void) (restate.Void, error) {
-	status, err := restate.GetAs[auxiliary.TicketStatus](ctx, "status")
-	if err != nil && !errors.Is(err, restate.ErrKeyNotFound) {
-		return restate.Void{}, err
+func (TicketObject) MarkAsSold(ctx restate.ObjectContext) error {
+	status, err := restate.Get[auxiliary.TicketStatus](ctx, "status")
+	if err != nil {
+		return err
 	}
 
 	if status == auxiliary.TicketStatusReserved {
-		ctx.Set("status", auxiliary.TicketStatusSold)
+		restate.Set(ctx, "status", auxiliary.TicketStatusSold)
 	}
 
-	return restate.Void{}, nil
+	return nil
 }
 
 // <end_mark_as_sold>