[
    {
        "inputs": [],
        "stateMutability": "nonpayable",
        "type": "constructor"
    },
    {
        "inputs": [],
        "name": "ReentrancyGuardReentrantCall",
        "type": "error"
    },
    {
        "anonymous": false,
        "inputs": [
            {
                "indexed": true,
                "internalType": "address",
                "name": "sell_token",
                "type": "address"
            },
            {
                "indexed": true,
                "internalType": "address",
                "name": "buy_token",
                "type": "address"
            },
            {
                "indexed": false,
                "internalType": "address",
                "name": "sender",
                "type": "address"
            },
            {
                "indexed": false,
                "internalType": "uint256",
                "name": "amount",
                "type": "uint256"
            },
            {
                "indexed": false,
                "internalType": "uint256",
                "name": "index",
                "type": "uint256"
            }
        ],
        "name": "MakerDefaulted",
        "type": "event"
    },
    {
        "anonymous": false,
        "inputs": [
            {
                "indexed": true,
                "internalType": "address",
                "name": "sell_token",
                "type": "address"
            },
            {
                "indexed": true,
                "internalType": "address",
                "name": "buy_token",
                "type": "address"
            },
            {
                "indexed": false,
                "internalType": "address",
                "name": "sender",
                "type": "address"
            },
            {
                "indexed": false,
                "internalType": "uint256",
                "name": "amount",
                "type": "uint256"
            },
            {
                "indexed": false,
                "internalType": "uint256",
                "name": "index",
                "type": "uint256"
            }
        ],
        "name": "MakerPulled",
        "type": "event"
    },
    {
        "anonymous": false,
        "inputs": [
            {
                "indexed": true,
                "internalType": "address",
                "name": "sell_token",
                "type": "address"
            },
            {
                "indexed": true,
                "internalType": "address",
                "name": "buy_token",
                "type": "address"
            },
            {
                "indexed": false,
                "internalType": "address",
                "name": "receiver",
                "type": "address"
            },
            {
                "indexed": false,
                "internalType": "uint256",
                "name": "amount",
                "type": "uint256"
            },
            {
                "indexed": false,
                "internalType": "uint256",
                "name": "index",
                "type": "uint256"
            },
            {
                "indexed": false,
                "internalType": "bool",
                "name": "is_maker",
                "type": "bool"
            }
        ],
        "name": "OrderPaidOut",
        "type": "event"
    },
    {
        "anonymous": false,
        "inputs": [
            {
                "indexed": true,
                "internalType": "address",
                "name": "sell_token",
                "type": "address"
            },
            {
                "indexed": true,
                "internalType": "address",
                "name": "buy_token",
                "type": "address"
            },
            {
                "indexed": false,
                "internalType": "address",
                "name": "sender",
                "type": "address"
            },
            {
                "indexed": false,
                "internalType": "uint256",
                "name": "amount",
                "type": "uint256"
            },
            {
                "indexed": false,
                "internalType": "uint256",
                "name": "index",
                "type": "uint256"
            },
            {
                "indexed": false,
                "internalType": "bool",
                "name": "is_maker",
                "type": "bool"
            }
        ],
        "name": "OrderPlaced",
        "type": "event"
    },
    {
        "anonymous": false,
        "inputs": [
            {
                "indexed": true,
                "internalType": "address",
                "name": "sell_token",
                "type": "address"
            },
            {
                "indexed": true,
                "internalType": "address",
                "name": "buy_token",
                "type": "address"
            },
            {
                "indexed": false,
                "internalType": "address",
                "name": "sender",
                "type": "address"
            },
            {
                "indexed": false,
                "internalType": "uint256",
                "name": "amount",
                "type": "uint256"
            },
            {
                "indexed": false,
                "internalType": "uint256",
                "name": "index",
                "type": "uint256"
            }
        ],
        "name": "OrderRefunded",
        "type": "event"
    },
    {
        "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": "sell_token",
                "type": "address"
            },
            {
                "indexed": true,
                "internalType": "address",
                "name": "buy_token",
                "type": "address"
            },
            {
                "indexed": false,
                "internalType": "uint256",
                "name": "epoch",
                "type": "uint256"
            }
        ],
        "name": "Resolved",
        "type": "event"
    },
    {
        "inputs": [
            {
                "internalType": "address",
                "name": "sell_token",
                "type": "address"
            },
            {
                "internalType": "address",
                "name": "buy_token",
                "type": "address"
            }
        ],
        "name": "CanResolve",
        "outputs": [
            {
                "internalType": "bool",
                "name": "",
                "type": "bool"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "uint256",
                "name": "number",
                "type": "uint256"
            },
            {
                "internalType": "uint256",
                "name": "decimal",
                "type": "uint256"
            },
            {
                "internalType": "uint256",
                "name": "_fee",
                "type": "uint256"
            }
        ],
        "name": "apply_fee",
        "outputs": [
            {
                "internalType": "uint256",
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "pure",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "address",
                "name": "tkn",
                "type": "address"
            }
        ],
        "name": "decimals",
        "outputs": [
            {
                "internalType": "uint8",
                "name": "",
                "type": "uint8"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "estimate_gas",
        "outputs": [
            {
                "internalType": "uint256",
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "address",
                "name": "sell_token",
                "type": "address"
            },
            {
                "internalType": "address",
                "name": "buy_token",
                "type": "address"
            }
        ],
        "name": "getAllOrders",
        "outputs": [
            {
                "components": [
                    {
                        "internalType": "address",
                        "name": "sender",
                        "type": "address"
                    },
                    {
                        "internalType": "uint96",
                        "name": "amount",
                        "type": "uint96"
                    },
                    {
                        "internalType": "uint24",
                        "name": "prev",
                        "type": "uint24"
                    },
                    {
                        "internalType": "uint24",
                        "name": "next",
                        "type": "uint24"
                    },
                    {
                        "internalType": "uint24",
                        "name": "epoch",
                        "type": "uint24"
                    },
                    {
                        "internalType": "uint96",
                        "name": "balance",
                        "type": "uint96"
                    }
                ],
                "internalType": "struct Single.Order[]",
                "name": "takers",
                "type": "tuple[]"
            },
            {
                "components": [
                    {
                        "internalType": "address",
                        "name": "sender",
                        "type": "address"
                    },
                    {
                        "internalType": "uint96",
                        "name": "amount",
                        "type": "uint96"
                    },
                    {
                        "internalType": "uint24",
                        "name": "prev",
                        "type": "uint24"
                    },
                    {
                        "internalType": "uint24",
                        "name": "next",
                        "type": "uint24"
                    },
                    {
                        "internalType": "uint24",
                        "name": "epoch",
                        "type": "uint24"
                    },
                    {
                        "internalType": "uint96",
                        "name": "balance",
                        "type": "uint96"
                    }
                ],
                "internalType": "struct Single.Order[]",
                "name": "makers",
                "type": "tuple[]"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "address",
                "name": "sell_token",
                "type": "address"
            },
            {
                "internalType": "address",
                "name": "buy_token",
                "type": "address"
            }
        ],
        "name": "getEpoch",
        "outputs": [
            {
                "internalType": "uint256",
                "name": "epoch_result",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "address",
                "name": "sell_token",
                "type": "address"
            },
            {
                "internalType": "address",
                "name": "buy_token",
                "type": "address"
            }
        ],
        "name": "getFee",
        "outputs": [
            {
                "internalType": "uint256",
                "name": "fee",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "address",
                "name": "sell_token",
                "type": "address"
            },
            {
                "internalType": "address",
                "name": "buy_token",
                "type": "address"
            }
        ],
        "name": "getMakerIndex",
        "outputs": [
            {
                "internalType": "uint24",
                "name": "",
                "type": "uint24"
            },
            {
                "internalType": "uint24",
                "name": "",
                "type": "uint24"
            },
            {
                "internalType": "uint24",
                "name": "",
                "type": "uint24"
            },
            {
                "internalType": "uint24",
                "name": "",
                "type": "uint24"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "address",
                "name": "sell_token",
                "type": "address"
            },
            {
                "internalType": "address",
                "name": "buy_token",
                "type": "address"
            }
        ],
        "name": "getMakers",
        "outputs": [
            {
                "components": [
                    {
                        "internalType": "uint24",
                        "name": "index",
                        "type": "uint24"
                    },
                    {
                        "internalType": "address",
                        "name": "sender",
                        "type": "address"
                    },
                    {
                        "internalType": "uint96",
                        "name": "amount",
                        "type": "uint96"
                    },
                    {
                        "internalType": "uint24",
                        "name": "prev",
                        "type": "uint24"
                    },
                    {
                        "internalType": "uint24",
                        "name": "next",
                        "type": "uint24"
                    },
                    {
                        "internalType": "uint96",
                        "name": "balance",
                        "type": "uint96"
                    },
                    {
                        "internalType": "uint24",
                        "name": "epoch",
                        "type": "uint24"
                    }
                ],
                "internalType": "struct Single.MakerEndpoint[]",
                "name": "active_makers",
                "type": "tuple[]"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "address",
                "name": "sell_token",
                "type": "address"
            },
            {
                "internalType": "address",
                "name": "buy_token",
                "type": "address"
            }
        ],
        "name": "getSums",
        "outputs": [
            {
                "internalType": "uint96",
                "name": "",
                "type": "uint96"
            },
            {
                "internalType": "uint96",
                "name": "",
                "type": "uint96"
            },
            {
                "internalType": "uint96",
                "name": "",
                "type": "uint96"
            },
            {
                "internalType": "uint96",
                "name": "",
                "type": "uint96"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "address",
                "name": "sell_token",
                "type": "address"
            },
            {
                "internalType": "address",
                "name": "buy_token",
                "type": "address"
            }
        ],
        "name": "getTakerIndex",
        "outputs": [
            {
                "internalType": "uint24",
                "name": "",
                "type": "uint24"
            },
            {
                "internalType": "uint24",
                "name": "",
                "type": "uint24"
            },
            {
                "internalType": "uint24",
                "name": "",
                "type": "uint24"
            },
            {
                "internalType": "uint24",
                "name": "",
                "type": "uint24"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "address",
                "name": "sell_token",
                "type": "address"
            },
            {
                "internalType": "address",
                "name": "buy_token",
                "type": "address"
            }
        ],
        "name": "getTakers",
        "outputs": [
            {
                "components": [
                    {
                        "internalType": "uint24",
                        "name": "index",
                        "type": "uint24"
                    },
                    {
                        "internalType": "address",
                        "name": "sender",
                        "type": "address"
                    },
                    {
                        "internalType": "uint96",
                        "name": "amount",
                        "type": "uint96"
                    },
                    {
                        "internalType": "uint24",
                        "name": "next",
                        "type": "uint24"
                    },
                    {
                        "internalType": "uint24",
                        "name": "epoch",
                        "type": "uint24"
                    }
                ],
                "internalType": "struct Single.TakerEndpoint[]",
                "name": "active_takers",
                "type": "tuple[]"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "uint96",
                "name": "tkr0_sum",
                "type": "uint96"
            },
            {
                "internalType": "uint96",
                "name": "mkr0_sum",
                "type": "uint96"
            },
            {
                "internalType": "uint96",
                "name": "tkr1_sum",
                "type": "uint96"
            },
            {
                "internalType": "uint96",
                "name": "mkr1_sum",
                "type": "uint96"
            }
        ],
        "name": "get_demands",
        "outputs": [
            {
                "internalType": "uint96",
                "name": "tkr0_demand",
                "type": "uint96"
            },
            {
                "internalType": "uint96",
                "name": "mkr0_demand",
                "type": "uint96"
            },
            {
                "internalType": "uint96",
                "name": "tkr1_demand",
                "type": "uint96"
            },
            {
                "internalType": "uint96",
                "name": "mkr1_demand",
                "type": "uint96"
            }
        ],
        "stateMutability": "pure",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "owner",
        "outputs": [
            {
                "internalType": "address",
                "name": "",
                "type": "address"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "address",
                "name": "sell_token",
                "type": "address"
            },
            {
                "internalType": "address",
                "name": "buy_token",
                "type": "address"
            },
            {
                "internalType": "uint96",
                "name": "_quantity",
                "type": "uint96"
            }
        ],
        "name": "placeMaker",
        "outputs": [],
        "stateMutability": "payable",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "address",
                "name": "sell_token",
                "type": "address"
            },
            {
                "internalType": "address",
                "name": "buy_token",
                "type": "address"
            },
            {
                "internalType": "uint96",
                "name": "_quantity",
                "type": "uint96"
            }
        ],
        "name": "placeTaker",
        "outputs": [],
        "stateMutability": "payable",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "renounceOwnership",
        "outputs": [],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "address",
                "name": "sell_token",
                "type": "address"
            },
            {
                "internalType": "address",
                "name": "buy_token",
                "type": "address"
            }
        ],
        "name": "send",
        "outputs": [],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "address",
                "name": "sell_token",
                "type": "address"
            },
            {
                "internalType": "address",
                "name": "buy_token",
                "type": "address"
            },
            {
                "internalType": "uint256",
                "name": "_fee",
                "type": "uint256"
            }
        ],
        "name": "set_fee",
        "outputs": [],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "settings",
        "outputs": [
            {
                "internalType": "uint256",
                "name": "epochspan",
                "type": "uint256"
            },
            {
                "internalType": "uint256",
                "name": "MARGIN_BPS",
                "type": "uint256"
            },
            {
                "internalType": "uint256",
                "name": "max_epochs",
                "type": "uint256"
            },
            {
                "internalType": "uint256",
                "name": "max_orders",
                "type": "uint256"
            },
            {
                "internalType": "uint256",
                "name": "gas",
                "type": "uint256"
            },
            {
                "internalType": "uint256",
                "name": "lambda",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "address",
                "name": "newOwner",
                "type": "address"
            }
        ],
        "name": "transferOwnership",
        "outputs": [],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "uint256",
                "name": "_epochspan",
                "type": "uint256"
            },
            {
                "internalType": "uint256",
                "name": "_MARGIN_BPS",
                "type": "uint256"
            },
            {
                "internalType": "uint256",
                "name": "_max_epochs",
                "type": "uint256"
            },
            {
                "internalType": "uint256",
                "name": "_max_orders",
                "type": "uint256"
            },
            {
                "internalType": "uint256",
                "name": "_gas",
                "type": "uint256"
            },
            {
                "internalType": "uint256",
                "name": "_lambda",
                "type": "uint256"
            }
        ],
        "name": "updateSettings",
        "outputs": [],
        "stateMutability": "nonpayable",
        "type": "function"
    }
]