[
  {
    "type": "function",
    "name": "balanceOf",
    "inputs": [
      {
        "type": "address",
        "name": "account"
      }
    ],
    "outputs": [
      {
        "type": "uint256"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "allowance",
    "inputs": [
      {
        "type": "address",
        "name": "owner"
      },
      {
        "type": "address",
        "name": "spender"
      }
    ],
    "outputs": [
      {
        "type": "uint256"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "lockTo",
    "inputs": [
      {
        "type": "address",
        "name": "user"
      },
      {
        "type": "uint256",
        "name": "proposalId"
      }
    ],
    "outputs": [
      {
        "type": "uint256"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "deposit",
    "inputs": [
      {
        "type": "uint256",
        "name": "amount"
      }
    ],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "withdraw",
    "inputs": [
      {
        "type": "uint256",
        "name": "amount"
      }
    ],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "approve",
    "inputs": [
      {
        "type": "address",
        "name": "spender"
      },
      {
        "type": "uint256",
        "name": "amount"
      }
    ],
    "outputs": [
      {
        "type": "bool"
      }
    ],
    "stateMutability": "nonpayable"
  }
]