feat: enable gas calculation

js/NodeContractInstances.js

@@ -398,8 +398,16 @@ function executeContract() {
     request.pubkey = global.sm2Key.publicKey;
     request.isDebug = executeContractAsDebug.checked;
     console.log(request.arg);
+    const gasLimit = $('#gasLimit').val()/1;
+    var toSign = request.contractID + "|"
+                        + request.operation + "|" + arg ;
+    if (gasLimit>0){
+      request.gasLimit = gasLimit;
+      toSign+= "|" + gasLimit;
+    }
+    toSign+= "|" + global.sm2Key.publicKey;
     request.signature = sm2.doSignature(
-        `${request.contractID}|${operation}|${argDiv.value}|${global.sm2Key.publicKey}`,
+        toSign,
         global.sm2Key.privateKey,
         {hash: true, der: true});
     localStorage.setItem("persisArg", JSON.stringify(request));
@@ -423,7 +431,10 @@ function onExecuteResult(obj) {
                 $("#responseArea")[0].value = result.result;
         }
         $("#responseID").html(`请求ID:${obj['responseID']}`);
-        $("#responseTime").html(`响应时间:${obj['executeTime']}ms${styleTail}`);
+        var gasInfo="";
+        if (obj.executionGas!=undefined && obj.executionGas>0)
+          gasInfo="<br>"+obj.executionGas+"gas";
+        $("#responseTime").html(`响应时间:${obj['executeTime']}ms${gasInfo}${styleTail}`);
     } catch (e) {
         $("#responseStatus").html("执行状态：Failed");
         $("#responseArea")[0].value = obj.data;