64 lines
1019 B
JavaScript
64 lines
1019 B
JavaScript
|
// @flow
|
||
|
|
import Contract from 'libs/contract';
|
||
|
|
import type { ABI } from 'libs/contract';
|
||
|
|
import type Big from 'bignumber.js';
|
||
|
|
|
||
|
|
const erc20Abi: ABI = [
|
||
|
|
{
|
||
|
|
constant: true,
|
||
|
|
inputs: [
|
||
|
|
{
|
||
|
|
name: '_owner',
|
||
|
|
type: 'address'
|
||
|
|
}
|
||
|
|
],
|
||
|
|
name: 'balanceOf',
|
||
|
|
outputs: [
|
||
|
|
{
|
||
|
|
name: 'balance',
|
||
|
|
type: 'uint256'
|
||
|
|
}
|
||
|
|
],
|
||
|
|
payable: false,
|
||
|
|
type: 'function'
|
||
|
|
},
|
||
|
|
{
|
||
|
|
constant: false,
|
||
|
|
inputs: [
|
||
|
|
{
|
||
|
|
name: '_to',
|
||
|
|
type: 'address'
|
||
|
|
},
|
||
|
|
{
|
||
|
|
name: '_value',
|
||
|
|
type: 'uint256'
|
||
|
|
}
|
||
|
|
],
|
||
|
|
name: 'transfer',
|
||
|
|
outputs: [
|
||
|
|
{
|
||
|
|
name: 'success',
|
||
|
|
type: 'bool'
|
||
|
|
}
|
||
|
|
],
|
||
|
|
payable: false,
|
||
|
|
type: 'function'
|
||
|
|
}
|
||
|
|
];
|
||
|
|
|
||
|
|
class ERC20 extends Contract {
|
||
|
|
constructor() {
|
||
|
|
super(erc20Abi);
|
||
|
|
}
|
||
|
|
|
||
|
|
balanceOf(address: string) {
|
||
|
|
return this.call('balanceOf', [address]);
|
||
|
|
}
|
||
|
|
|
||
|
|
transfer(to: string, value: Big) {
|
||
|
|
return this.call('transfer', [to, value]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
export default new ERC20();
|