fix: updateRate logic split into two calls

Comment/comment.go

@@ -108,20 +108,21 @@ func GetComment(commentId string) Comment {
 	return std.Deserialize(comment.([]byte)).(Comment)
 }
 
-func Rate(commentId string, walletHashFrom interop.Hash160) {
-	ctx := storage.GetContext()
+func Rate(commentId string, walletHashFrom interop.Hash160) bool {
+	ctx := storage.GetReadOnlyContext()
 	comment := GetComment(commentId)
-	success := gas.Transfer(walletHashFrom, storage.Get(ctx, comment.userLogin+"_hash").(interop.Hash160), gas_decimals, nil)
+	recipient := storage.Get(ctx, comment.userLogin+"_hash").(interop.Hash160)
+	success := gas.Transfer(walletHashFrom, recipient, gas_decimals, nil)
 	if !success {
-		panic("gas transfer failed")
+		return false
 	} else {
-		comment.likes += 1
-		updateComment(comment)
+		return true
 	}
 }
 
-func updateComment(comment Comment) {
+func IncreaseRate(commentId string) {
 	ctx := storage.GetContext()
+	comment := GetComment(commentId)
 	comments := GetByPostId(comment.postId)
 	for i := 0; i < len(comments); i++ {
 		if comments[i].id == comment.id {

Comment/comment.yml

@@ -1,11 +1,6 @@
-name: comment
-sourceurl: http://example.com/
-safemethods: []
+name: "Comment"
+safemethods: ["rate"]
 supportedstandards: []
 events:
-    - name: Hello world!
-      parameters:
-        - name: args
-          type: Array
 permissions:
-    - methods: '*'
+  - methods: "*"

Post/post_contract.go

@@ -94,18 +94,26 @@ func GetAllPostsByUser(login string) []Post {
 	return postsByUser
 }
 
-func Rate(postId string, walletHashFrom interop.Hash160) {
+func Rate(postId string, walletHashFrom interop.Hash160) bool {
 	ctx := storage.GetContext()
 	post := GetPost(postId)
-	success := gas.Transfer(walletHashFrom, storage.Get(ctx, post.login+"_hash").(interop.Hash160), gas_decimals, nil)
+	recipient := storage.Get(ctx, post.login+"_hash").(interop.Hash160)
+	success := gas.Transfer(walletHashFrom, recipient, 1, nil)
 	if !success {
-		panic("gas transfer failed")
+		return false
 	} else {
-		post.likes += 1
-		storage.Put(ctx, post.id, std.Serialize(post))
+		return true
 	}
 }
 
+func IncreaseRate(postId string) {
+	ctx := storage.GetContext()
+	post := GetPost(postId)
+	post.likes += 1
+	storage.Put(ctx, post.id, std.Serialize(post))
+
+}
+
 func getPostIndex(userId string) int {
 	ctx := storage.GetContext()
 	index := storage.Get(ctx, userId+lastIndex)

Post/post_contract.yml

@@ -1,5 +1,5 @@
-name: Post
-safemethods: []
+name: "Post"
+safemethods: ["rate"]
 supportedstandards: []
 events:
 permissions:

User/user.go

@@ -43,9 +43,21 @@ func GetUser(login string) User {
 	return getUserTst(storage.GetReadOnlyContext(), login)
 }
 
-func RateForGas(commentId string, contractHash interop.Hash160, login string) {
+/*
+method used to invoke gas transfer in comment/post contracts
+entityId - id of comment or post
+contractHash - hash of the comment/post contract
+login - login of user, who wants to rate comment/post
+*/
+
+func RateForGas(entityId string, contractHash interop.Hash160, login string) {
 	ctx := storage.GetContext()
-	contract.Call(contractHash, "rate", contract.ReadOnly, commentId, storage.Get(ctx, login+"_hash"))
+	success := contract.Call(contractHash, "rate", contract.All, entityId, storage.Get(ctx, login+"_hash").(interop.Hash160)).(bool)
+	if success {
+		contract.Call(contractHash, "increaseRate", contract.All, entityId)
+	} else {
+		panic("something gone wrong with transfering gas")
+	}
 }
 
 func getUserTst(ctx storage.Context, login string) User {

User/user.yml

@@ -1,4 +1,4 @@
-name: user
+name: "User"
 safemethods: []
 supportedstandards: []
 events: []