[
    {
        "anonymous": false,
        "inputs": [
            {
                "indexed": true,
                "name": "sender",
                "type": "address"
            },
            {
                "indexed": true,
                "name": "receiver",
                "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"
    },
    {
        "anonymous": false,
        "inputs": [
            {
                "indexed": true,
                "name": "buyer",
                "type": "address"
            },
            {
                "indexed": false,
                "name": "sold_id",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "tokens_sold",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "bought_id",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "tokens_bought",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "fee",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "packed_price_scale",
                "type": "uint256"
            }
        ],
        "name": "TokenExchange",
        "type": "event"
    },
    {
        "anonymous": false,
        "inputs": [
            {
                "indexed": true,
                "name": "provider",
                "type": "address"
            },
            {
                "indexed": false,
                "name": "token_amounts",
                "type": "uint256[3]"
            },
            {
                "indexed": false,
                "name": "fee",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "token_supply",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "packed_price_scale",
                "type": "uint256"
            }
        ],
        "name": "AddLiquidity",
        "type": "event"
    },
    {
        "anonymous": false,
        "inputs": [
            {
                "indexed": true,
                "name": "provider",
                "type": "address"
            },
            {
                "indexed": false,
                "name": "token_amounts",
                "type": "uint256[3]"
            },
            {
                "indexed": false,
                "name": "token_supply",
                "type": "uint256"
            }
        ],
        "name": "RemoveLiquidity",
        "type": "event"
    },
    {
        "anonymous": false,
        "inputs": [
            {
                "indexed": true,
                "name": "provider",
                "type": "address"
            },
            {
                "indexed": false,
                "name": "token_amount",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "coin_index",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "coin_amount",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "approx_fee",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "packed_price_scale",
                "type": "uint256"
            }
        ],
        "name": "RemoveLiquidityOne",
        "type": "event"
    },
    {
        "anonymous": false,
        "inputs": [
            {
                "indexed": true,
                "name": "deadline",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "mid_fee",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "out_fee",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "fee_gamma",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "allowed_extra_profit",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "adjustment_step",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "ma_time",
                "type": "uint256"
            }
        ],
        "name": "CommitNewParameters",
        "type": "event"
    },
    {
        "anonymous": false,
        "inputs": [
            {
                "indexed": false,
                "name": "mid_fee",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "out_fee",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "fee_gamma",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "allowed_extra_profit",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "adjustment_step",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "ma_time",
                "type": "uint256"
            }
        ],
        "name": "NewParameters",
        "type": "event"
    },
    {
        "anonymous": false,
        "inputs": [
            {
                "indexed": false,
                "name": "initial_A",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "future_A",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "initial_gamma",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "future_gamma",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "initial_time",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "future_time",
                "type": "uint256"
            }
        ],
        "name": "RampAgamma",
        "type": "event"
    },
    {
        "anonymous": false,
        "inputs": [
            {
                "indexed": false,
                "name": "current_A",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "current_gamma",
                "type": "uint256"
            },
            {
                "indexed": false,
                "name": "time",
                "type": "uint256"
            }
        ],
        "name": "StopRampA",
        "type": "event"
    },
    {
        "anonymous": false,
        "inputs": [
            {
                "indexed": true,
                "name": "admin",
                "type": "address"
            },
            {
                "indexed": false,
                "name": "tokens",
                "type": "uint256"
            }
        ],
        "name": "ClaimAdminFee",
        "type": "event"
    },
    {
        "inputs": [
            {
                "name": "_name",
                "type": "string"
            },
            {
                "name": "_symbol",
                "type": "string"
            },
            {
                "name": "_coins",
                "type": "address[3]"
            },
            {
                "name": "_math",
                "type": "address"
            },
            {
                "name": "_weth",
                "type": "address"
            },
            {
                "name": "_salt",
                "type": "bytes32"
            },
            {
                "name": "packed_precisions",
                "type": "uint256"
            },
            {
                "name": "packed_A_gamma",
                "type": "uint256"
            },
            {
                "name": "packed_fee_params",
                "type": "uint256"
            },
            {
                "name": "packed_rebalancing_params",
                "type": "uint256"
            },
            {
                "name": "packed_prices",
                "type": "uint256"
            }
        ],
        "stateMutability": "nonpayable",
        "type": "constructor"
    },
    {
        "stateMutability": "payable",
        "type": "fallback"
    },
    {
        "inputs": [
            {
                "name": "i",
                "type": "uint256"
            },
            {
                "name": "j",
                "type": "uint256"
            },
            {
                "name": "dx",
                "type": "uint256"
            },
            {
                "name": "min_dy",
                "type": "uint256"
            }
        ],
        "name": "exchange",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "payable",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "i",
                "type": "uint256"
            },
            {
                "name": "j",
                "type": "uint256"
            },
            {
                "name": "dx",
                "type": "uint256"
            },
            {
                "name": "min_dy",
                "type": "uint256"
            }
        ],
        "name": "exchange_underlying",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "payable",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "i",
                "type": "uint256"
            },
            {
                "name": "j",
                "type": "uint256"
            },
            {
                "name": "dx",
                "type": "uint256"
            },
            {
                "name": "min_dy",
                "type": "uint256"
            },
            {
                "name": "use_eth",
                "type": "bool"
            },
            {
                "name": "sender",
                "type": "address"
            },
            {
                "name": "receiver",
                "type": "address"
            },
            {
                "name": "cb",
                "type": "bytes32"
            }
        ],
        "name": "exchange_extended",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "amounts",
                "type": "uint256[3]"
            },
            {
                "name": "min_mint_amount",
                "type": "uint256"
            },
            {
                "name": "use_eth",
                "type": "bool"
            }
        ],
        "name": "add_liquidity",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "payable",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "_amount",
                "type": "uint256"
            },
            {
                "name": "min_amounts",
                "type": "uint256[3]"
            },
            {
                "name": "use_eth",
                "type": "bool"
            }
        ],
        "name": "remove_liquidity",
        "outputs": [
            {
                "name": "",
                "type": "uint256[3]"
            }
        ],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "token_amount",
                "type": "uint256"
            },
            {
                "name": "i",
                "type": "uint256"
            },
            {
                "name": "min_amount",
                "type": "uint256"
            },
            {
                "name": "use_eth",
                "type": "bool"
            }
        ],
        "name": "remove_liquidity_one_coin",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "claim_admin_fees",
        "outputs": [],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "_from",
                "type": "address"
            },
            {
                "name": "_to",
                "type": "address"
            },
            {
                "name": "_value",
                "type": "uint256"
            }
        ],
        "name": "transferFrom",
        "outputs": [
            {
                "name": "",
                "type": "bool"
            }
        ],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "_to",
                "type": "address"
            },
            {
                "name": "_value",
                "type": "uint256"
            }
        ],
        "name": "transfer",
        "outputs": [
            {
                "name": "",
                "type": "bool"
            }
        ],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "_spender",
                "type": "address"
            },
            {
                "name": "_value",
                "type": "uint256"
            }
        ],
        "name": "approve",
        "outputs": [
            {
                "name": "",
                "type": "bool"
            }
        ],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "_spender",
                "type": "address"
            },
            {
                "name": "_add_value",
                "type": "uint256"
            }
        ],
        "name": "increaseAllowance",
        "outputs": [
            {
                "name": "",
                "type": "bool"
            }
        ],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "_spender",
                "type": "address"
            },
            {
                "name": "_sub_value",
                "type": "uint256"
            }
        ],
        "name": "decreaseAllowance",
        "outputs": [
            {
                "name": "",
                "type": "bool"
            }
        ],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "_owner",
                "type": "address"
            },
            {
                "name": "_spender",
                "type": "address"
            },
            {
                "name": "_value",
                "type": "uint256"
            },
            {
                "name": "_deadline",
                "type": "uint256"
            },
            {
                "name": "_v",
                "type": "uint8"
            },
            {
                "name": "_r",
                "type": "bytes32"
            },
            {
                "name": "_s",
                "type": "bytes32"
            }
        ],
        "name": "permit",
        "outputs": [
            {
                "name": "",
                "type": "bool"
            }
        ],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "fee_receiver",
        "outputs": [
            {
                "name": "",
                "type": "address"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "amounts",
                "type": "uint256[3]"
            },
            {
                "name": "deposit",
                "type": "bool"
            }
        ],
        "name": "calc_token_amount",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "i",
                "type": "uint256"
            },
            {
                "name": "j",
                "type": "uint256"
            },
            {
                "name": "dx",
                "type": "uint256"
            }
        ],
        "name": "get_dy",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "i",
                "type": "uint256"
            },
            {
                "name": "j",
                "type": "uint256"
            },
            {
                "name": "dy",
                "type": "uint256"
            }
        ],
        "name": "get_dx",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "lp_price",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "get_virtual_price",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "k",
                "type": "uint256"
            }
        ],
        "name": "price_oracle",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "k",
                "type": "uint256"
            }
        ],
        "name": "last_prices",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "k",
                "type": "uint256"
            }
        ],
        "name": "price_scale",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "fee",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "token_amount",
                "type": "uint256"
            },
            {
                "name": "i",
                "type": "uint256"
            }
        ],
        "name": "calc_withdraw_one_coin",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "amounts",
                "type": "uint256[3]"
            },
            {
                "name": "xp",
                "type": "uint256[3]"
            }
        ],
        "name": "calc_token_fee",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "A",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "gamma",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "mid_fee",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "out_fee",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "fee_gamma",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "allowed_extra_profit",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "adjustment_step",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "ma_time",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "precisions",
        "outputs": [
            {
                "name": "",
                "type": "uint256[3]"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "xp",
                "type": "uint256[3]"
            }
        ],
        "name": "fee_calc",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "DOMAIN_SEPARATOR",
        "outputs": [
            {
                "name": "",
                "type": "bytes32"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "future_A",
                "type": "uint256"
            },
            {
                "name": "future_gamma",
                "type": "uint256"
            },
            {
                "name": "future_time",
                "type": "uint256"
            }
        ],
        "name": "ramp_A_gamma",
        "outputs": [],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "stop_ramp_A_gamma",
        "outputs": [],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [
            {
                "name": "_new_mid_fee",
                "type": "uint256"
            },
            {
                "name": "_new_out_fee",
                "type": "uint256"
            },
            {
                "name": "_new_fee_gamma",
                "type": "uint256"
            },
            {
                "name": "_new_allowed_extra_profit",
                "type": "uint256"
            },
            {
                "name": "_new_adjustment_step",
                "type": "uint256"
            },
            {
                "name": "_new_ma_time",
                "type": "uint256"
            }
        ],
        "name": "commit_new_parameters",
        "outputs": [],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "apply_new_parameters",
        "outputs": [],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "revert_new_parameters",
        "outputs": [],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "WETH20",
        "outputs": [
            {
                "name": "",
                "type": "address"
            }
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