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| pragma solidity 0.4.24; | |
| contract EthereumSession { | |
| uint myInt; | |
| function setTheInt(uint _myInt) public { | |
| myInt = _myInt; | |
| } | |
| function getTheInt() public view returns(uint) { | |
| return myInt; | |
| } | |
| } |
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| <!doctype html> | |
| <html> | |
| <head> | |
| <script src="node_modules/web3/dist/web3.js" type="text/javascript"> | |
| </script> | |
| <script src="node_modules/truffle-contract/dist/truffle-contract.js" type="text/javascript"> | |
| </script> | |
| </head> | |
| <body> | |
| <script> | |
| var web3; | |
| 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:7545")); | |
| } | |
| var EthereumSession = web3.eth.contract([ | |
| { | |
| "constant": false, | |
| "inputs": [ | |
| { | |
| "name": "_myInt", | |
| "type": "uint256" | |
| } | |
| ], | |
| "name": "setTheInt", | |
| "outputs": [], | |
| "payable": false, | |
| "stateMutability": "nonpayable", | |
| "type": "function" | |
| }, | |
| { | |
| "constant": true, | |
| "inputs": [], | |
| "name": "getTheInt", | |
| "outputs": [ | |
| { | |
| "name": "", | |
| "type": "uint256" | |
| } | |
| ], | |
| "payable": false, | |
| "stateMutability": "view", | |
| "type": "function" | |
| } | |
| ]); | |
| var ethereumSessionInstance = EthereumSession.at("0xa6ceaac576ff14931c0f6d2f5fd8f546a4c0d128"); | |
| web3.eth.defaultAccount = web3.eth.accounts[0]; | |
| ethereumSessionInstance.setTheInt(4546); | |
| //wait until the transaction is mined. | |
| console.log(ethereumSessionInstance.getTheInt()); | |
| //Truffle-Contract | |
| var provider = new Web3.providers.HttpProvider("http://localhost:7545"); | |
| var EthereumSessionTruffle = TruffleContract({abi: [ | |
| { | |
| "constant": false, | |
| "inputs": [ | |
| { | |
| "name": "_myInt", | |
| "type": "uint256" | |
| } | |
| ], | |
| "name": "setTheInt", | |
| "outputs": [], | |
| "payable": false, | |
| "stateMutability": "nonpayable", | |
| "type": "function" | |
| }, | |
| { | |
| "constant": true, | |
| "inputs": [], | |
| "name": "getTheInt", | |
| "outputs": [ | |
| { | |
| "name": "", | |
| "type": "uint256" | |
| } | |
| ], | |
| "payable": false, | |
| "stateMutability": "view", | |
| "type": "function" | |
| } | |
| ]}); | |
| EthereumSessionTruffle.setProvider(provider); | |
| var esTruffleInstance = null; | |
| EthereumSessionTruffle.at("0xa6ceaac576ff14931c0f6d2f5fd8f546a4c0d128").then(instance => { | |
| esTruffleInstance = instance; | |
| console.log(instance); | |
| return instance.setTheInt(4545); | |
| }).then(function() { | |
| return esTruffleInstance.getTheInt(); | |
| }).then(result => { console.log(result);}); | |
| </script> | |
| </body> | |
| </html> |
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