fixes

RPS/config.json

@@ -0,0 +1 @@
+{"name":"rps","abi":{"methods":[{"name":"_deploy","offset":0,"parameters":[{"name":"data","type":"Any"},{"name":"isUpdate","type":"Boolean"}],"returntype":"Void","safe":false},{"name":"onNEP17Payment","offset":684,"parameters":[{"name":"from","type":"Hash160"},{"name":"amount","type":"Integer"},{"name":"data","type":"Any"}],"returntype":"Void","safe":false},{"name":"playRPS","offset":95,"parameters":[{"name":"playerChoice","type":"String"},{"name":"bet","type":"Integer"}],"returntype":"Void","safe":false}],"events":[{"name":"computerChoice","parameters":[{"name":"int","type":"Integer"}]},{"name":"playerChoice","parameters":[{"name":"int","type":"Integer"}]},{"name":"playerBalance","parameters":[{"name":"int","type":"Integer"}]}]},"features":{},"groups":[],"permissions":[{"contract":"*","methods":"*"}],"supportedstandards":[],"trusts":[],"extra":null}

RPS/go.mod

@@ -0,0 +1,5 @@
+module rps
+
+go 1.21.5
+
+require github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20231127165613-b35f351f0ba0

RPS/go.sum

@@ -0,0 +1,2 @@
+github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20231127165613-b35f351f0ba0 h1:N+dMIBmteXjJpkH6UZ7HmNftuFxkqszfGLbhsEctnv0=
+github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20231127165613-b35f351f0ba0/go.mod h1:J/Mk6+nKeKSW4wygkZQFLQ6SkLOSGX5Ga0RuuuktEag=

RPS/rps.go

@@ -1,4 +1,4 @@
-package RPS
+package rps
 
 import (
 	"github.com/nspcc-dev/neo-go/pkg/interop"
@@ -34,16 +34,26 @@ func _deploy(data interface{}, isUpdate bool) {
 	storage.Put(ctx, zaCoinHashKey, args.zaCoinHash)
 }
 
-func PlayRPS(playerChoice string, ctx storage.Context, playerOwner interop.Hash160, bet int) {
+func PlayRPS(playerChoice string, bet int) {
+
+	ctx := storage.GetContext()
+	playerOwner := runtime.GetScriptContainer().Sender
+
+	if bet <= 0 {
+		panic("Invalid bet amount")
+	}
+	zaCoinHash := storage.Get(ctx, zaCoinHashKey).(interop.Hash160)
+	playerBalance := contract.Call(zaCoinHash, "balanceOf", contract.ReadStates, playerOwner).(int)
+	if playerBalance < bet {
+		panic("Insufficient funds")
+	}
 
 	if playerChoice != "rock" && playerChoice != "paper" && playerChoice != "scissors" {
 		panic("invalid player choice")
 	}
-	if bet <= 0 {
-		panic("bet must be positive")
-	}
 
 	computerChoice := (runtime.GetRandom() % 3) + 1
+	runtime.Notify("computerChoice", computerChoice)
 
 	var computerChoiceString string
 	switch computerChoice {
@@ -64,6 +74,9 @@ func PlayRPS(playerChoice string, ctx storage.Context, playerOwner interop.Hash1
 	} else {
 		panic("player lost: player chose " + playerChoice + ", computer chose " + computerChoiceString)
 	}
+
+	playerBalance = contract.Call(zaCoinHash, "balanceOf", contract.ReadStates, playerOwner).(int)
+	runtime.Notify("playerBalance", playerBalance)
 }
 
 func isWinner(playerChoice, computerChoice string) Result {

RPS/rps.yml

@@ -0,0 +1,21 @@
+name: rps
+supportedstandards: []
+events:
+  - name: "computerChoice"
+    parameters:
+      - name: "int"
+        type: "Integer"
+  - name: "playerChoice"
+    parameters:
+      - name: "int"
+        type: "Integer"
+  - name: "playerBalance"
+    parameters:
+      - name: "int"
+        type: "Integer"
+permissions:
+  - methods: '*'
+    events:
+      - "computerChoice"
+      - "playerChoice"
+      - "playerBalance"