Sign update alloc auth ticket

wasmsdk/allocation.go

@@ -304,6 +304,14 @@ func updateAllocation(allocationID string,
 	return hash, err
 }
 
+func getUpdateAllocTicket(allocationID, userID, operationType string, roundExpiry int64) (string, error) {
+	sign, err := sdk.GetUpdateAllocTicket(allocationID, userID, operationType, roundExpiry)
+	if err != nil {
+		return "", err
+	}
+	return sign, err
+}
+
 // getAllocationMinLock retrieves the minimum lock value for the allocation creation, as calculated by the network.
 // Lock value is the amount of tokens that the client needs to lock in the allocation's write pool
 // to be able to pay for the write operations.

wasmsdk/proxy.go

@@ -267,6 +267,7 @@ func main() {
 				"getUpdateAllocationMinLock": getUpdateAllocationMinLock,
 				"getAllocationWith":          getAllocationWith,
 				"createfreeallocation":       createfreeallocation,
+				"getUpdateAllocTicket":       getUpdateAllocTicket,
 
 				// readpool
 				"getReadPoolInfo": getReadPoolInfo,

zboxcore/sdk/blobber_operations.go

@@ -4,7 +4,9 @@
 package sdk
 
 import (
+	"encoding/hex"
 	"encoding/json"
+	"fmt"
 	"math"
 	"strings"
 
@@ -154,6 +156,17 @@ func UpdateAllocation(
 	return
 }
 
+func GetUpdateAllocTicket(allocationID, userID, operationType string, roundExpiry int64) (string, error) {
+	payload := fmt.Sprintf("%s:%d:%s:%s", allocationID, roundExpiry, userID, operationType)
+
+	signature, err := client.Sign(hex.EncodeToString([]byte(payload)))
+	if err != nil {
+		return "", err
+	}
+
+	return signature, nil
+}
+
 // StakePoolLock locks tokens in a stake pool.
 // This function is the entry point for the staking operation.
 // Provided the provider type and provider ID, the value is locked in the stake pool between the SDK client and the provider.