Skip to content

Instantly share code, notes, and snippets.

@eduardonunesp

eduardonunesp/loom-umd-test.html

Last active August 2, 2018 11:20
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save eduardonunesp/95f9b7dacd6458082c6542deb9e225ce to your computer and use it in GitHub Desktop.
Save eduardonunesp/95f9b7dacd6458082c6542deb9e225ce to your computer and use it in GitHub Desktop.
Download ZIP
Using `loom-umd` on browser, this code works with `truffle-dappchain-example`
Raw
loom-umd-test.html
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="style.css">
<script language="javascript" type="text/javascript" src="https://cdn.rawgit.com/ethereum/web3.js/1.0/dist/web3.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/loom-js@1.15.0/dist/loom.umd.js"></script>
</head>
<body>
<script>
window.addEventListener('load', function () {
// Make sure to have loomchain running before test
this.privateKey = loom.CryptoUtils.generatePrivateKey()
this.publicKey = loom.CryptoUtils.publicKeyFromPrivateKey(this.privateKey)
this.client = new loom.Client(
'default',
'ws://127.0.0.1:46657/websocket',
'ws://127.0.0.1:9999/queryws',
)
this.client.on('error', msg => {
console.error('Error on connect to client', msg)
console.warn('Please verify if loom command is running')
})
this.currentUserAddress = loom.LocalAddress.fromPublicKey(this.publicKey).toString()
const ABI = [
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"name": "_value",
"type": "uint256"
},
{
"indexed": false,
"name": "_sender",
"type": "address"
}
],
"name": "NewValueSet",
"type": "event"
},
{
"constant": false,
"inputs": [
{
"name": "_value",
"type": "uint256"
}
],
"name": "set",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "_value",
"type": "uint256"
}
],
"name": "setAnotherValue",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "get",
"outputs": [
{
"name": "",
"type": "uint256"
},
{
"name": "",
"type": "address"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
}
]
// Update this address before test
const contractAddress = "0x60ab575af210cc952999976854e938447e919871"
this.web3 = new Web3(new loom.LoomProvider(this.client, this.privateKey))
this.simpleStoreInstance = new this.web3.eth.Contract(ABI, contractAddress, {
from: this.currentUserAddress
})
this.simpleStoreInstance.events.NewValueSet({}, (err, event) => {
if (err) console.error('Error on event', err)
else {
console.log('event', event.returnValues)
}
})
this.simpleStoreInstance.methods.set(1).send({
from: this.currentUserAddress
})
})
</script>
</body>
</html>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment