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add test cases for tokens

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This commit is contained in:
Tim Williams 2018-05-23 16:32:49 -04:00
parent 076b975878
commit 020d720bea
5 changed files with 70 additions and 0 deletions
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9
simulations/token_test/README.md Normal file
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`npm install`
run `node deploy.js` to deploy the contract.
this will log out a contract in the geth logs.
set the ADDR environment variable to this contract address.
ie `export ADDR=<contract_addr>`
then run `node calltx.js`

9
simulations/token_test/calltx.js Normal file
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var Web3 = require('web3')
var web3 = new Web3(new Web3.providers.HttpProvider("http://127.0.0.1:8545"));
var contract_address = process.env.ADDR
var mytokenContract = web3.eth.contract([{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"initialSupply","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"}]).at(contract_address)
console.log(mytokenContract.balanceOf('0x43EC6d0942f7fAeF069F7F63D0384a27f529B062'))
mytokenContract.transfer.sendTransaction('0x9e602164C5826ebb5A6B68E4AFD9Cd466043dc4A', 3, {from: '0x43EC6d0942f7fAeF069F7F63D0384a27f529B062', gas: 3000000})

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simulations/token_test/deploy.js Normal file
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var Web3 = require('web3')
var web3 = new Web3(new Web3.providers.HttpProvider("http://127.0.0.1:8545"));
var initialSupply = 50000
var mytokenContract = web3.eth.contract([{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"initialSupply","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"}]);
var mytoken = mytokenContract.new(
initialSupply,
{
from: web3.eth.accounts[0],
data: '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',
gas: '4700000'
}, function (e, contract){
console.log(e, contract);
if (typeof contract.address !== 'undefined') {
console.log('Contract mined! address: ' + contract.address + ' transactionHash: ' + contract.transactionHash);
}
})

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simulations/token_test/package.json Normal file
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{
"name": "token_contract",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "",
"license": "ISC",
"dependencies": {
"web3": "^0.20.5"
}
}

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simulations/token_test/token.sol Normal file
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pragma solidity ^0.4.20;
contract MyToken {
/* This creates an array with all balances */
mapping (address => uint256) public balanceOf;
/* Initializes contract with initial supply tokens to the creator of the contract */
function MyToken(
uint256 initialSupply
) public {
balanceOf[msg.sender] = initialSupply; // Give the creator all initial tokens
}
/* Send coins */
function transfer(address _to, uint256 _value) public {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
require(balanceOf[_to] + _value >= balanceOf[_to]); // Check for overflows
balanceOf[msg.sender] -= _value; // Subtract from the sender
balanceOf[_to] += _value; // Add the same to the recipient
}
}