[
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "internalType": "address",
          "name": "previousOwner",
          "type": "address"
        },
        {
          "indexed": true,
          "internalType": "address",
          "name": "newOwner",
          "type": "address"
        }
      ],
      "name": "OwnershipTransferred",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "internalType": "address",
          "name": "_operator",
          "type": "address"
        },
        {
          "indexed": true,
          "internalType": "address",
          "name": "_token",
          "type": "address"
        },
        {
          "indexed": false,
          "internalType": "uint256",
          "name": "_before",
          "type": "uint256"
        },
        {
          "indexed": false,
          "internalType": "uint256",
          "name": "_after",
          "type": "uint256"
        },
        {
          "indexed": false,
          "internalType": "uint256",
          "name": "_updateCount",
          "type": "uint256"
        }
      ],
      "name": "RateUpdated",
      "type": "event"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "_token",
          "type": "address"
        },
        {
          "internalType": "uint256",
          "name": "_baseRate",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "_period",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "_weight",
          "type": "uint256"
        }
      ],
      "name": "addToken",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "_token",
          "type": "address"
        },
        {
          "internalType": "bool",
          "name": "_simulate",
          "type": "bool"
        }
      ],
      "name": "exchangeRateOf",
      "outputs": [
        {
          "internalType": "uint256",
          "name": "",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "owner",
      "outputs": [
        {
          "internalType": "address",
          "name": "",
          "type": "address"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "renounceOwnership",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address[]",
          "name": "_tokens",
          "type": "address[]"
        }
      ],
      "name": "startUpdate",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address[]",
          "name": "_tokens",
          "type": "address[]"
        }
      ],
      "name": "stopUpdate",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "",
          "type": "address"
        }
      ],
      "name": "tokens",
      "outputs": [
        {
          "internalType": "enum IExchangeRateFeeder.Status",
          "name": "status",
          "type": "uint8"
        },
        {
          "internalType": "uint256",
          "name": "exchangeRate",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "period",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "weight",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "lastUpdatedAt",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "newOwner",
          "type": "address"
        }
      ],
      "name": "transferOwnership",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "_token",
          "type": "address"
        }
      ],
      "name": "update",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    }
  ]