export const erc20Abi = [
  {
    type: 'function',
    name: 'approve',
    inputs: [
      { name: 'spender', type: 'address' },
      { name: 'amount', type: 'uint256' },
    ],
    outputs: [{ type: 'bool' }],
    stateMutability: 'nonpayable',
  },
  {
    type: 'function',
    name: 'allowance',
    inputs: [
      { name: 'owner', type: 'address' },
      { name: 'spender', type: 'address' },
    ],
    outputs: [{ type: 'uint256' }],
    stateMutability: 'view',
  },
  {
    type: 'function',
    name: 'balanceOf',
    inputs: [{ name: 'account', type: 'address' }],
    outputs: [{ type: 'uint256' }],
    stateMutability: 'view',
  },
] as const;