[
  {
    "constant": true,
    "inputs": [],
    "name": "name",
    "outputs": [
      {
        "name": "",
        "type": "string"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "dst",
        "type": "address"
      },
      {
        "name": "amt",
        "type": "uint256"
      }
    ],
    "name": "approve",
    "outputs": [
      {
        "name": "",
        "type": "bool"
      }
    ],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "MAX_TOTAL_WEIGHT",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "totalSupply",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "BPOW_PRECISION",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "MIN_WEIGHT",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "src",
        "type": "address"
      },
      {
        "name": "dst",
        "type": "address"
      },
      {
        "name": "amt",
        "type": "uint256"
      }
    ],
    "name": "transferFrom",
    "outputs": [
      {
        "name": "",
        "type": "bool"
      }
    ],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "decimals",
    "outputs": [
      {
        "name": "",
        "type": "uint8"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [
      {
        "name": "tokenBalanceIn",
        "type": "uint256"
      },
      {
        "name": "tokenWeightIn",
        "type": "uint256"
      },
      {
        "name": "poolSupply",
        "type": "uint256"
      },
      {
        "name": "totalWeight",
        "type": "uint256"
      },
      {
        "name": "poolAmountOut",
        "type": "uint256"
      },
      {
        "name": "swapFee",
        "type": "uint256"
      }
    ],
    "name": "calcSingleInGivenPoolOut",
    "outputs": [
      {
        "name": "tokenAmountIn",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "pure",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "dst",
        "type": "address"
      },
      {
        "name": "amt",
        "type": "uint256"
      }
    ],
    "name": "decreaseApproval",
    "outputs": [
      {
        "name": "",
        "type": "bool"
      }
    ],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [
      {
        "name": "whom",
        "type": "address"
      }
    ],
    "name": "balanceOf",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "MIN_FEE",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [
      {
        "name": "tokenBalanceOut",
        "type": "uint256"
      },
      {
        "name": "tokenWeightOut",
        "type": "uint256"
      },
      {
        "name": "poolSupply",
        "type": "uint256"
      },
      {
        "name": "totalWeight",
        "type": "uint256"
      },
      {
        "name": "tokenAmountOut",
        "type": "uint256"
      },
      {
        "name": "swapFee",
        "type": "uint256"
      }
    ],
    "name": "calcPoolInGivenSingleOut",
    "outputs": [
      {
        "name": "poolAmountIn",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "pure",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [
      {
        "name": "tokenBalanceIn",
        "type": "uint256"
      },
      {
        "name": "tokenWeightIn",
        "type": "uint256"
      },
      {
        "name": "poolSupply",
        "type": "uint256"
      },
      {
        "name": "totalWeight",
        "type": "uint256"
      },
      {
        "name": "tokenAmountIn",
        "type": "uint256"
      },
      {
        "name": "swapFee",
        "type": "uint256"
      }
    ],
    "name": "calcPoolOutGivenSingleIn",
    "outputs": [
      {
        "name": "poolAmountOut",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "pure",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "MIN_BALANCE",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [
      {
        "name": "tokenBalanceOut",
        "type": "uint256"
      },
      {
        "name": "tokenWeightOut",
        "type": "uint256"
      },
      {
        "name": "poolSupply",
        "type": "uint256"
      },
      {
        "name": "totalWeight",
        "type": "uint256"
      },
      {
        "name": "poolAmountIn",
        "type": "uint256"
      },
      {
        "name": "swapFee",
        "type": "uint256"
      }
    ],
    "name": "calcSingleOutGivenPoolIn",
    "outputs": [
      {
        "name": "tokenAmountOut",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "pure",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "INIT_POOL_SUPPLY",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "symbol",
    "outputs": [
      {
        "name": "",
        "type": "string"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "MAX_OUT_RATIO",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [
      {
        "name": "tokenBalanceIn",
        "type": "uint256"
      },
      {
        "name": "tokenWeightIn",
        "type": "uint256"
      },
      {
        "name": "tokenBalanceOut",
        "type": "uint256"
      },
      {
        "name": "tokenWeightOut",
        "type": "uint256"
      },
      {
        "name": "swapFee",
        "type": "uint256"
      }
    ],
    "name": "calcSpotPrice",
    "outputs": [
      {
        "name": "spotPrice",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "pure",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "dst",
        "type": "address"
      },
      {
        "name": "amt",
        "type": "uint256"
      }
    ],
    "name": "transfer",
    "outputs": [
      {
        "name": "",
        "type": "bool"
      }
    ],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "MAX_BOUND_TOKENS",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "MIN_BOUND_TOKENS",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "MIN_BPOW_BASE",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [
      {
        "name": "tokenBalanceIn",
        "type": "uint256"
      },
      {
        "name": "tokenWeightIn",
        "type": "uint256"
      },
      {
        "name": "tokenBalanceOut",
        "type": "uint256"
      },
      {
        "name": "tokenWeightOut",
        "type": "uint256"
      },
      {
        "name": "tokenAmountIn",
        "type": "uint256"
      },
      {
        "name": "swapFee",
        "type": "uint256"
      }
    ],
    "name": "calcOutGivenIn",
    "outputs": [
      {
        "name": "tokenAmountOut",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "pure",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "MAX_FEE",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "MAX_BPOW_BASE",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "BONE",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "EXIT_FEE",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "dst",
        "type": "address"
      },
      {
        "name": "amt",
        "type": "uint256"
      }
    ],
    "name": "increaseApproval",
    "outputs": [
      {
        "name": "",
        "type": "bool"
      }
    ],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [
      {
        "name": "src",
        "type": "address"
      },
      {
        "name": "dst",
        "type": "address"
      }
    ],
    "name": "allowance",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "MAX_WEIGHT",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "MAX_IN_RATIO",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [
      {
        "name": "tokenBalanceIn",
        "type": "uint256"
      },
      {
        "name": "tokenWeightIn",
        "type": "uint256"
      },
      {
        "name": "tokenBalanceOut",
        "type": "uint256"
      },
      {
        "name": "tokenWeightOut",
        "type": "uint256"
      },
      {
        "name": "tokenAmountOut",
        "type": "uint256"
      },
      {
        "name": "swapFee",
        "type": "uint256"
      }
    ],
    "name": "calcInGivenOut",
    "outputs": [
      {
        "name": "tokenAmountIn",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "pure",
    "type": "function"
  },
  {
    "inputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "constructor"
  },
  {
    "anonymous": false,
    "inputs": [
      {
        "indexed": true,
        "name": "caller",
        "type": "address"
      },
      {
        "indexed": true,
        "name": "tokenIn",
        "type": "address"
      },
      {
        "indexed": true,
        "name": "tokenOut",
        "type": "address"
      },
      {
        "indexed": false,
        "name": "tokenAmountIn",
        "type": "uint256"
      },
      {
        "indexed": false,
        "name": "tokenAmountOut",
        "type": "uint256"
      }
    ],
    "name": "LOG_SWAP",
    "type": "event"
  },
  {
    "anonymous": false,
    "inputs": [
      {
        "indexed": true,
        "name": "caller",
        "type": "address"
      },
      {
        "indexed": true,
        "name": "tokenIn",
        "type": "address"
      },
      {
        "indexed": false,
        "name": "tokenAmountIn",
        "type": "uint256"
      }
    ],
    "name": "LOG_JOIN",
    "type": "event"
  },
  {
    "anonymous": false,
    "inputs": [
      {
        "indexed": true,
        "name": "caller",
        "type": "address"
      },
      {
        "indexed": true,
        "name": "tokenOut",
        "type": "address"
      },
      {
        "indexed": false,
        "name": "tokenAmountOut",
        "type": "uint256"
      }
    ],
    "name": "LOG_EXIT",
    "type": "event"
  },
  {
    "anonymous": true,
    "inputs": [
      {
        "indexed": true,
        "name": "sig",
        "type": "bytes4"
      },
      {
        "indexed": true,
        "name": "caller",
        "type": "address"
      },
      {
        "indexed": false,
        "name": "data",
        "type": "bytes"
      }
    ],
    "name": "LOG_CALL",
    "type": "event"
  },
  {
    "anonymous": false,
    "inputs": [
      {
        "indexed": true,
        "name": "from",
        "type": "address"
      },
      {
        "indexed": true,
        "name": "to",
        "type": "address"
      },
      {
        "indexed": false,
        "name": "value",
        "type": "uint256"
      }
    ],
    "name": "Transfer",
    "type": "event"
  },
  {
    "anonymous": false,
    "inputs": [
      {
        "indexed": true,
        "name": "owner",
        "type": "address"
      },
      {
        "indexed": true,
        "name": "spender",
        "type": "address"
      },
      {
        "indexed": false,
        "name": "value",
        "type": "uint256"
      }
    ],
    "name": "Approval",
    "type": "event"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "isInitialized",
    "outputs": [
      {
        "name": "",
        "type": "bool"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "controller",
        "type": "address"
      },
      {
        "name": "factory",
        "type": "address"
      },
      {
        "name": "swapFee",
        "type": "uint256"
      },
      {
        "name": "publicSwap",
        "type": "bool"
      },
      {
        "name": "finalized",
        "type": "bool"
      }
    ],
    "name": "initialize",
    "outputs": [
      {
        "name": "",
        "type": "bool"
      }
    ],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "dataTokenAaddress",
        "type": "address"
      },
      {
        "name": "dataTokenAmount",
        "type": "uint256"
      },
      {
        "name": "dataTokenWeight",
        "type": "uint256"
      },
      {
        "name": "baseTokenAddress",
        "type": "address"
      },
      {
        "name": "baseTokenAmount",
        "type": "uint256"
      },
      {
        "name": "baseTokenWeight",
        "type": "uint256"
      },
      {
        "name": "swapFee",
        "type": "uint256"
      }
    ],
    "name": "setup",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "isPublicSwap",
    "outputs": [
      {
        "name": "",
        "type": "bool"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "isFinalized",
    "outputs": [
      {
        "name": "",
        "type": "bool"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [
      {
        "name": "t",
        "type": "address"
      }
    ],
    "name": "isBound",
    "outputs": [
      {
        "name": "",
        "type": "bool"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "getNumTokens",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "getCurrentTokens",
    "outputs": [
      {
        "name": "tokens",
        "type": "address[]"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "getFinalTokens",
    "outputs": [
      {
        "name": "tokens",
        "type": "address[]"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [
      {
        "name": "token",
        "type": "address"
      }
    ],
    "name": "getDenormalizedWeight",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "getTotalDenormalizedWeight",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [
      {
        "name": "token",
        "type": "address"
      }
    ],
    "name": "getNormalizedWeight",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [
      {
        "name": "token",
        "type": "address"
      }
    ],
    "name": "getBalance",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "getSwapFee",
    "outputs": [
      {
        "name": "",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "getController",
    "outputs": [
      {
        "name": "",
        "type": "address"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "swapFee",
        "type": "uint256"
      }
    ],
    "name": "setSwapFee",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "manager",
        "type": "address"
      }
    ],
    "name": "setController",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "public_",
        "type": "bool"
      }
    ],
    "name": "setPublicSwap",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [],
    "name": "finalize",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "token",
        "type": "address"
      },
      {
        "name": "balance",
        "type": "uint256"
      },
      {
        "name": "denorm",
        "type": "uint256"
      }
    ],
    "name": "bind",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "token",
        "type": "address"
      },
      {
        "name": "balance",
        "type": "uint256"
      },
      {
        "name": "denorm",
        "type": "uint256"
      }
    ],
    "name": "rebind",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "token",
        "type": "address"
      }
    ],
    "name": "unbind",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "token",
        "type": "address"
      }
    ],
    "name": "gulp",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [
      {
        "name": "tokenIn",
        "type": "address"
      },
      {
        "name": "tokenOut",
        "type": "address"
      }
    ],
    "name": "getSpotPrice",
    "outputs": [
      {
        "name": "spotPrice",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [
      {
        "name": "tokenIn",
        "type": "address"
      },
      {
        "name": "tokenOut",
        "type": "address"
      }
    ],
    "name": "getSpotPriceSansFee",
    "outputs": [
      {
        "name": "spotPrice",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "poolAmountOut",
        "type": "uint256"
      },
      {
        "name": "maxAmountsIn",
        "type": "uint256[]"
      }
    ],
    "name": "joinPool",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "poolAmountIn",
        "type": "uint256"
      },
      {
        "name": "minAmountsOut",
        "type": "uint256[]"
      }
    ],
    "name": "exitPool",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "tokenIn",
        "type": "address"
      },
      {
        "name": "tokenAmountIn",
        "type": "uint256"
      },
      {
        "name": "tokenOut",
        "type": "address"
      },
      {
        "name": "minAmountOut",
        "type": "uint256"
      },
      {
        "name": "maxPrice",
        "type": "uint256"
      }
    ],
    "name": "swapExactAmountIn",
    "outputs": [
      {
        "name": "tokenAmountOut",
        "type": "uint256"
      },
      {
        "name": "spotPriceAfter",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "tokenIn",
        "type": "address"
      },
      {
        "name": "maxAmountIn",
        "type": "uint256"
      },
      {
        "name": "tokenOut",
        "type": "address"
      },
      {
        "name": "tokenAmountOut",
        "type": "uint256"
      },
      {
        "name": "maxPrice",
        "type": "uint256"
      }
    ],
    "name": "swapExactAmountOut",
    "outputs": [
      {
        "name": "tokenAmountIn",
        "type": "uint256"
      },
      {
        "name": "spotPriceAfter",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "tokenIn",
        "type": "address"
      },
      {
        "name": "tokenAmountIn",
        "type": "uint256"
      },
      {
        "name": "minPoolAmountOut",
        "type": "uint256"
      }
    ],
    "name": "joinswapExternAmountIn",
    "outputs": [
      {
        "name": "poolAmountOut",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "tokenIn",
        "type": "address"
      },
      {
        "name": "poolAmountOut",
        "type": "uint256"
      },
      {
        "name": "maxAmountIn",
        "type": "uint256"
      }
    ],
    "name": "joinswapPoolAmountOut",
    "outputs": [
      {
        "name": "tokenAmountIn",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "tokenOut",
        "type": "address"
      },
      {
        "name": "poolAmountIn",
        "type": "uint256"
      },
      {
        "name": "minAmountOut",
        "type": "uint256"
      }
    ],
    "name": "exitswapPoolAmountIn",
    "outputs": [
      {
        "name": "tokenAmountOut",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "tokenOut",
        "type": "address"
      },
      {
        "name": "tokenAmountOut",
        "type": "uint256"
      },
      {
        "name": "maxPoolAmountIn",
        "type": "uint256"
      }
    ],
    "name": "exitswapExternAmountOut",
    "outputs": [
      {
        "name": "poolAmountIn",
        "type": "uint256"
      }
    ],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  }
]