[
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "",
        "type": "address"
      }
    ],
    "name": "allowance",
    "outputs": [
      {
        "internalType": "uint160",
        "name": "amount",
        "type": "uint160"
      },
      {
        "internalType": "uint48",
        "name": "expiration",
        "type": "uint48"
      },
      {
        "internalType": "uint48",
        "name": "nonce",
        "type": "uint48"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "uint256",
        "name": "wordPos",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "mask",
        "type": "uint256"
      }
    ],
    "name": "invalidateUnorderedNonces",
    "outputs": [],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "token",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "spender",
        "type": "address"
      },
      {
        "internalType": "uint160",
        "name": "amount",
        "type": "uint160"
      },
      {
        "internalType": "uint48",
        "name": "expiration",
        "type": "uint48"
      }
    ],
    "name": "approve",
    "outputs": [],
    "stateMutability": "nonpayable",
    "type": "function"
  }
]
