Ethereum Asked by Parshvi on December 5, 2021
I am facing this type of Error in ‘remix IDE’ while connecting it to ‘[email protected]’
Error: Failed to decode output: Error: insufficient data for uint256 type (arg=””, coderType=”uint256″, value=”0x00″)
<!DOCTYPE html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<script src="./node_modules/web3/dist/web3.min.js">
</script>
</head>
<body>
<input id="name" name="choice" type="text"> Vote: </input>
<button id="button">Submit : </button>
<h2 id="instructor"></h2>
</body>
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js"></script>
<script>
if (typeof web3 !== 'undefined') {
web3 = new Web3(web3.currentProvider);
} else {
// set the provider you want from Web3.providers
web3 = new Web3(new Web3.providers.HttpProvider("http://localhost:8545"));
}
// Previous if/else statement removed for brevity
web3.eth.defaultAccount = web3.eth.accounts[0];
console.log(web3.version)
var vote= web3.eth.contract([
{
"constant": false,
"inputs": [
{
"name": "x",
"type": "uint256"
}
],
"name": "set",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "get",
"outputs": [
{
"name": "",
"type": "uint256"
},
{
"name": "",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
}
]);
vote_add=vote.at('0x6b3c179a96c329dcf93f2d27310c77e88e651af6');
console.log(vote_add);
$("#button").click(function() {
vote_add.set($("#name").val());
});
vote_add.get(function(error, result){
if(!error)
{
$("#instructor").html(result[0]+' ('+result[1]+' years old)'+result[2]+result[3]+result[4]+result[5]);
console.log(result);
}
else
console.log(error);
});
</script>
</html>
Solidity code:-
pragma solidity ^0.5.0;
contract vote
{
uint public c0=0;
uint public c1=0;
uint public c2=0;
uint public c3=0;
uint public c4=0;
uint public c5=0;
function set(uint x) public {
if(x==0)
{
c0+=1;
}
else if(x==1)
{
c1+=1;
}
else if(x==2)
{
c2+=1;
}
else if(x==3)
{
c3+=1;
}
else if(x==4)
{
c4+=1;
}
else if(x==5)
{
c5+=1;
}
else
{
}
}
function get() public view returns(uint,uint,uint,uint,uint,uint)
{
return (c0,c1,c2,c3,c4,c5);
}
}
I got the same error too.
I think the reason is: the solidity code version is not compatible with the web3 provider's(geth
) version.
Here is the solution: Update the solidity code and geth
client to the newest versions,
or let the solidity version is compatible with the geth
client's version.
Answered by mr_franklin on December 5, 2021
If you face any issue while connecting with the network(let say ganache
) you can try the following steps:
ganache
is up and running(ideally on port 8545)remix
change the environment to Web3 Provider
and confirm the address from the popup window.remix
environment to Injected web3
. Make sure you are connected to the right network in metamask
. You can change the network by click on the top right network options and choose localhost 8545
to connect with locally running ganache
.
hope it will help.
Answered by Yahya on December 5, 2021
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