{
    "contractName": "ZebecCard",
    "abi": [
        {
            "inputs": [
                {
                    "internalType": "address",
                    "name": "target",
                    "type": "address"
                }
            ],
            "name": "AddressEmptyCode",
            "type": "error"
        },
        {
            "inputs": [
                {
                    "internalType": "address",
                    "name": "account",
                    "type": "address"
                }
            ],
            "name": "AddressInsufficientBalance",
            "type": "error"
        },
        {
            "inputs": [
                {
                    "internalType": "address",
                    "name": "implementation",
                    "type": "address"
                }
            ],
            "name": "ERC1967InvalidImplementation",
            "type": "error"
        },
        {
            "inputs": [],
            "name": "ERC1967NonPayable",
            "type": "error"
        },
        {
            "inputs": [],
            "name": "FailedInnerCall",
            "type": "error"
        },
        {
            "inputs": [],
            "name": "InvalidInitialization",
            "type": "error"
        },
        {
            "inputs": [
                {
                    "internalType": "uint256",
                    "name": "requiredBalance",
                    "type": "uint256"
                },
                {
                    "internalType": "uint256",
                    "name": "currentBalance",
                    "type": "uint256"
                }
            ],
            "name": "NotEnoughBalance",
            "type": "error"
        },
        {
            "inputs": [],
            "name": "NotInitializing",
            "type": "error"
        },
        {
            "inputs": [
                {
                    "internalType": "address",
                    "name": "owner",
                    "type": "address"
                }
            ],
            "name": "OwnableInvalidOwner",
            "type": "error"
        },
        {
            "inputs": [
                {
                    "internalType": "address",
                    "name": "account",
                    "type": "address"
                }
            ],
            "name": "OwnableUnauthorizedAccount",
            "type": "error"
        },
        {
            "inputs": [
                {
                    "internalType": "address",
                    "name": "token",
                    "type": "address"
                }
            ],
            "name": "SafeERC20FailedOperation",
            "type": "error"
        },
        {
            "inputs": [],
            "name": "UUPSUnauthorizedCallContext",
            "type": "error"
        },
        {
            "inputs": [
                {
                    "internalType": "bytes32",
                    "name": "slot",
                    "type": "bytes32"
                }
            ],
            "name": "UUPSUnsupportedProxiableUUID",
            "type": "error"
        },
        {
            "anonymous": false,
            "inputs": [
                {
                    "indexed": true,
                    "internalType": "address",
                    "name": "from",
                    "type": "address"
                },
                {
                    "indexed": true,
                    "internalType": "uint256",
                    "name": "id",
                    "type": "uint256"
                },
                {
                    "indexed": false,
                    "internalType": "uint256",
                    "name": "amount",
                    "type": "uint256"
                },
                {
                    "indexed": false,
                    "internalType": "string",
                    "name": "userEmail",
                    "type": "string"
                },
                {
                    "indexed": false,
                    "internalType": "uint256",
                    "name": "purchasedAt",
                    "type": "uint256"
                }
            ],
            "name": "CardPurchased",
            "type": "event",
            "signature": "0xce9df9676b8ff95985927db077a18e692c06c1ecfa2abae6db585c4aedfbc909",
            "stateMutability": "nonpayable"
        },
        {
            "anonymous": false,
            "inputs": [
                {
                    "indexed": true,
                    "internalType": "address",
                    "name": "from",
                    "type": "address"
                },
                {
                    "indexed": false,
                    "internalType": "uint256",
                    "name": "amount",
                    "type": "uint256"
                }
            ],
            "name": "Deposited",
            "type": "event",
            "signature": "0x2da466a7b24304f47e87fa2e1e5a81b9831ce54fec19055ce277ca2f39ba42c4",
            "stateMutability": "nonpayable"
        },
        {
            "anonymous": false,
            "inputs": [
                {
                    "indexed": false,
                    "internalType": "uint64",
                    "name": "version",
                    "type": "uint64"
                }
            ],
            "name": "Initialized",
            "type": "event",
            "signature": "0xc7f505b2f371ae2175ee4913f4499e1f2633a7b5936321eed1cdaeb6115181d2",
            "stateMutability": "nonpayable"
        },
        {
            "anonymous": false,
            "inputs": [
                {
                    "indexed": true,
                    "internalType": "address",
                    "name": "previousOwner",
                    "type": "address"
                },
                {
                    "indexed": true,
                    "internalType": "address",
                    "name": "newOwner",
                    "type": "address"
                }
            ],
            "name": "OwnershipTransferred",
            "type": "event",
            "signature": "0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0",
            "stateMutability": "nonpayable"
        },
        {
            "anonymous": false,
            "inputs": [
                {
                    "indexed": true,
                    "internalType": "address",
                    "name": "from",
                    "type": "address"
                },
                {
                    "indexed": true,
                    "internalType": "address",
                    "name": "srcToken",
                    "type": "address"
                },
                {
                    "indexed": false,
                    "internalType": "uint256",
                    "name": "amount",
                    "type": "uint256"
                },
                {
                    "indexed": false,
                    "internalType": "uint256",
                    "name": "spentAmount",
                    "type": "uint256"
                },
                {
                    "indexed": false,
                    "internalType": "uint256",
                    "name": "returnAmount",
                    "type": "uint256"
                },
                {
                    "indexed": false,
                    "internalType": "uint256",
                    "name": "feeAmount",
                    "type": "uint256"
                }
            ],
            "name": "Swapped",
            "type": "event",
            "signature": "0xd8066379a11f110d1eb579110571ce47b1557c623d7ae29f423d92cd6dd953be",
            "stateMutability": "nonpayable"
        },
        {
            "anonymous": false,
            "inputs": [
                {
                    "indexed": true,
                    "internalType": "address",
                    "name": "implementation",
                    "type": "address"
                }
            ],
            "name": "Upgraded",
            "type": "event",
            "signature": "0xbc7cd75a20ee27fd9adebab32041f755214dbc6bffa90cc0225b39da2e5c2d3b",
            "stateMutability": "nonpayable"
        },
        {
            "anonymous": false,
            "inputs": [
                {
                    "indexed": true,
                    "internalType": "address",
                    "name": "from",
                    "type": "address"
                },
                {
                    "indexed": false,
                    "internalType": "uint256",
                    "name": "withdrawnAmount",
                    "type": "uint256"
                }
            ],
            "name": "WithdrawYield",
            "type": "event",
            "signature": "0xf09b3678dd1b265d3e2d9f681481c92d1cdd81b6e19fa43651707dedf99263a8",
            "stateMutability": "nonpayable"
        },
        {
            "anonymous": false,
            "inputs": [
                {
                    "indexed": true,
                    "internalType": "address",
                    "name": "from",
                    "type": "address"
                },
                {
                    "indexed": false,
                    "internalType": "uint256",
                    "name": "withdrawnAmount",
                    "type": "uint256"
                }
            ],
            "name": "Withdrawn",
            "type": "event",
            "signature": "0x7084f5476618d8e60b11ef0d7d3f06914655adb8793e28ff7f018d4c76d505d5",
            "stateMutability": "nonpayable"
        },
        {
            "inputs": [],
            "name": "UPGRADE_INTERFACE_VERSION",
            "outputs": [
                {
                    "internalType": "string",
                    "name": "",
                    "type": "string"
                }
            ],
            "stateMutability": "view",
            "type": "function",
            "constant": true,
            "signature": "0xad3cb1cc"
        },
        {
            "inputs": [
                {
                    "internalType": "uint256",
                    "name": "amount",
                    "type": "uint256"
                },
                {
                    "internalType": "string",
                    "name": "userEmail",
                    "type": "string"
                }
            ],
            "name": "buyCard",
            "outputs": [],
            "stateMutability": "nonpayable",
            "type": "function",
            "signature": "0x69a34653"
        },
        {
            "inputs": [
                {
                    "internalType": "address",
                    "name": "",
                    "type": "address"
                }
            ],
            "name": "cardBalances",
            "outputs": [
                {
                    "internalType": "uint256",
                    "name": "",
                    "type": "uint256"
                }
            ],
            "stateMutability": "view",
            "type": "function",
            "constant": true,
            "signature": "0xf076a846"
        },
        {
            "inputs": [],
            "name": "cardConfig",
            "outputs": [
                {
                    "internalType": "uint256",
                    "name": "nativeFee",
                    "type": "uint256"
                },
                {
                    "internalType": "uint256",
                    "name": "nonNativeFee",
                    "type": "uint256"
                },
                {
                    "internalType": "uint256",
                    "name": "revenueFee",
                    "type": "uint256"
                },
                {
                    "internalType": "uint256",
                    "name": "counter",
                    "type": "uint256"
                },
                {
                    "internalType": "address",
                    "name": "cardVault",
                    "type": "address"
                },
                {
                    "internalType": "address",
                    "name": "revenueVault",
                    "type": "address"
                },
                {
                    "internalType": "address",
                    "name": "usdcAddress",
                    "type": "address"
                },
                {
                    "internalType": "uint256",
                    "name": "minCardAmount",
                    "type": "uint256"
                },
                {
                    "internalType": "uint256",
                    "name": "maxCardAmount",
                    "type": "uint256"
                },
                {
                    "internalType": "uint256",
                    "name": "dailyCardBuyLimit",
                    "type": "uint256"
                }
            ],
            "stateMutability": "view",
            "type": "function",
            "constant": true,
            "signature": "0x37cf5331"
        },
        {
            "inputs": [
                {
                    "internalType": "address",
                    "name": "",
                    "type": "address"
                }
            ],
            "name": "cardPurchases",
            "outputs": [
                {
                    "internalType": "uint256",
                    "name": "unixInRecord",
                    "type": "uint256"
                },
                {
                    "internalType": "uint256",
                    "name": "totalCardBoughtPerDay",
                    "type": "uint256"
                }
            ],
            "stateMutability": "view",
            "type": "function",
            "constant": true,
            "signature": "0xa5b7ac7e"
        },
        {
            "inputs": [
                {
                    "internalType": "uint256",
                    "name": "amount",
                    "type": "uint256"
                }
            ],
            "name": "depositUsdc",
            "outputs": [],
            "stateMutability": "nonpayable",
            "type": "function",
            "signature": "0x2357928e"
        },
        {
            "inputs": [
                {
                    "internalType": "uint256",
                    "name": "",
                    "type": "uint256"
                }
            ],
            "name": "feeTiers",
            "outputs": [
                {
                    "internalType": "uint256",
                    "name": "minAmount",
                    "type": "uint256"
                },
                {
                    "internalType": "uint256",
                    "name": "maxAmount",
                    "type": "uint256"
                },
                {
                    "internalType": "uint256",
                    "name": "fee",
                    "type": "uint256"
                }
            ],
            "stateMutability": "view",
            "type": "function",
            "constant": true,
            "signature": "0x230ed44a"
        },
        {
            "inputs": [
                {
                    "internalType": "uint256",
                    "name": "amount",
                    "type": "uint256"
                }
            ],
            "name": "getFee",
            "outputs": [
                {
                    "internalType": "uint256",
                    "name": "",
                    "type": "uint256"
                }
            ],
            "stateMutability": "view",
            "type": "function",
            "constant": true,
            "signature": "0xfcee45f4"
        },
        {
            "inputs": [],
            "name": "getFeeTiers",
            "outputs": [
                {
                    "components": [
                        {
                            "internalType": "uint256",
                            "name": "minAmount",
                            "type": "uint256"
                        },
                        {
                            "internalType": "uint256",
                            "name": "maxAmount",
                            "type": "uint256"
                        },
                        {
                            "internalType": "uint256",
                            "name": "fee",
                            "type": "uint256"
                        }
                    ],
                    "internalType": "struct ZebecCard.FeeTier[]",
                    "name": "",
                    "type": "tuple[]"
                }
            ],
            "stateMutability": "view",
            "type": "function",
            "constant": true,
            "signature": "0xe9a4d24f"
        },
        {
            "inputs": [
                {
                    "components": [
                        {
                            "internalType": "uint256",
                            "name": "nativeFee",
                            "type": "uint256"
                        },
                        {
                            "internalType": "uint256",
                            "name": "nonNativeFee",
                            "type": "uint256"
                        },
                        {
                            "internalType": "uint256",
                            "name": "revenueFee",
                            "type": "uint256"
                        },
                        {
                            "internalType": "uint256",
                            "name": "counter",
                            "type": "uint256"
                        },
                        {
                            "internalType": "address",
                            "name": "cardVault",
                            "type": "address"
                        },
                        {
                            "internalType": "address",
                            "name": "revenueVault",
                            "type": "address"
                        },
                        {
                            "internalType": "address",
                            "name": "usdcAddress",
                            "type": "address"
                        },
                        {
                            "internalType": "uint256",
                            "name": "minCardAmount",
                            "type": "uint256"
                        },
                        {
                            "internalType": "uint256",
                            "name": "maxCardAmount",
                            "type": "uint256"
                        },
                        {
                            "internalType": "uint256",
                            "name": "dailyCardBuyLimit",
                            "type": "uint256"
                        }
                    ],
                    "internalType": "struct ZebecCard.CardConfig",
                    "name": "card_config",
                    "type": "tuple"
                },
                {
                    "components": [
                        {
                            "internalType": "uint256",
                            "name": "minAmount",
                            "type": "uint256"
                        },
                        {
                            "internalType": "uint256",
                            "name": "maxAmount",
                            "type": "uint256"
                        },
                        {
                            "internalType": "uint256",
                            "name": "fee",
                            "type": "uint256"
                        }
                    ],
                    "internalType": "struct ZebecCard.FeeTier[]",
                    "name": "fee_tiers",
                    "type": "tuple[]"
                },
                {
                    "internalType": "address",
                    "name": "sun_swap_router",
                    "type": "address"
                },
                {
                    "internalType": "address",
                    "name": "wrapped_trx",
                    "type": "address"
                }
            ],
            "name": "initialize",
            "outputs": [],
            "stateMutability": "nonpayable",
            "type": "function",
            "signature": "0x569b5dbf"
        },
        {
            "inputs": [],
            "name": "owner",
            "outputs": [
                {
                    "internalType": "address",
                    "name": "",
                    "type": "address"
                }
            ],
            "stateMutability": "view",
            "type": "function",
            "constant": true,
            "signature": "0x8da5cb5b"
        },
        {
            "inputs": [],
            "name": "proxiableUUID",
            "outputs": [
                {
                    "internalType": "bytes32",
                    "name": "",
                    "type": "bytes32"
                }
            ],
            "stateMutability": "view",
            "type": "function",
            "constant": true,
            "signature": "0x52d1902d"
        },
        {
            "inputs": [],
            "name": "renounceOwnership",
            "outputs": [],
            "stateMutability": "nonpayable",
            "type": "function",
            "signature": "0x715018a6"
        },
        {
            "inputs": [
                {
                    "internalType": "address",
                    "name": "cardVault",
                    "type": "address"
                }
            ],
            "name": "setCardVault",
            "outputs": [],
            "stateMutability": "nonpayable",
            "type": "function",
            "signature": "0xd895a46b"
        },
        {
            "inputs": [
                {
                    "internalType": "uint256",
                    "name": "dailyCardBuyLimit",
                    "type": "uint256"
                }
            ],
            "name": "setDailyCardBuyLimit",
            "outputs": [],
            "stateMutability": "nonpayable",
            "type": "function",
            "signature": "0xbea9c43e"
        },
        {
            "inputs": [
                {
                    "internalType": "uint256",
                    "name": "minAmount",
                    "type": "uint256"
                },
                {
                    "internalType": "uint256",
                    "name": "maxAmount",
                    "type": "uint256"
                },
                {
                    "internalType": "uint256",
                    "name": "fee",
                    "type": "uint256"
                }
            ],
            "name": "setFee",
            "outputs": [],
            "stateMutability": "nonpayable",
            "type": "function",
            "signature": "0x5b65b9ab"
        },
        {
            "inputs": [
                {
                    "components": [
                        {
                            "internalType": "uint256",
                            "name": "minAmount",
                            "type": "uint256"
                        },
                        {
                            "internalType": "uint256",
                            "name": "maxAmount",
                            "type": "uint256"
                        },
                        {
                            "internalType": "uint256",
                            "name": "fee",
                            "type": "uint256"
                        }
                    ],
                    "internalType": "struct ZebecCard.FeeTier[]",
                    "name": "newTiers",
                    "type": "tuple[]"
                }
            ],
            "name": "setFeeArray",
            "outputs": [],
            "stateMutability": "nonpayable",
            "type": "function",
            "signature": "0x166dbb73"
        },
        {
            "inputs": [
                {
                    "internalType": "uint256",
                    "name": "maxAmount",
                    "type": "uint256"
                }
            ],
            "name": "setMaxCardAmount",
            "outputs": [],
            "stateMutability": "nonpayable",
            "type": "function",
            "signature": "0xb0d097de"
        },
        {
            "inputs": [
                {
                    "internalType": "uint256",
                    "name": "minAmount",
                    "type": "uint256"
                }
            ],
            "name": "setMinCardAmount",
            "outputs": [],
            "stateMutability": "nonpayable",
            "type": "function",
            "signature": "0x48455ff0"
        },
        {
            "inputs": [
                {
                    "internalType": "uint256",
                    "name": "nativeFee",
                    "type": "uint256"
                }
            ],
            "name": "setNativeFee",
            "outputs": [],
            "stateMutability": "nonpayable",
            "type": "function",
            "signature": "0xb91a1e8f"
        },
        {
            "inputs": [
                {
                    "internalType": "uint256",
                    "name": "nonNativeFee",
                    "type": "uint256"
                }
            ],
            "name": "setNonNativeFee",
            "outputs": [],
            "stateMutability": "nonpayable",
            "type": "function",
            "signature": "0xe591f2ff"
        },
        {
            "inputs": [
                {
                    "internalType": "uint256",
                    "name": "revenueFee",
                    "type": "uint256"
                }
            ],
            "name": "setRevenueFee",
            "outputs": [],
            "stateMutability": "nonpayable",
            "type": "function",
            "signature": "0x14435445"
        },
        {
            "inputs": [
                {
                    "internalType": "address",
                    "name": "revenueVault",
                    "type": "address"
                }
            ],
            "name": "setRevenueVault",
            "outputs": [],
            "stateMutability": "nonpayable",
            "type": "function",
            "signature": "0x4d68e925"
        },
        {
            "inputs": [
                {
                    "internalType": "address",
                    "name": "usdcAddress",
                    "type": "address"
                }
            ],
            "name": "setUsdcAddress",
            "outputs": [],
            "stateMutability": "nonpayable",
            "type": "function",
            "signature": "0xd38bcdee"
        },
        {
            "inputs": [],
            "name": "sunSwapRouter",
            "outputs": [
                {
                    "internalType": "address",
                    "name": "",
                    "type": "address"
                }
            ],
            "stateMutability": "view",
            "type": "function",
            "constant": true,
            "signature": "0x22e41dc4"
        },
        {
            "inputs": [
                {
                    "internalType": "address[]",
                    "name": "path",
                    "type": "address[]"
                },
                {
                    "internalType": "string[]",
                    "name": "poolVersion",
                    "type": "string[]"
                },
                {
                    "internalType": "uint256[]",
                    "name": "versionLen",
                    "type": "uint256[]"
                },
                {
                    "internalType": "uint24[]",
                    "name": "fees",
                    "type": "uint24[]"
                },
                {
                    "components": [
                        {
                            "internalType": "uint256",
                            "name": "amountIn",
                            "type": "uint256"
                        },
                        {
                            "internalType": "uint256",
                            "name": "amountOutMin",
                            "type": "uint256"
                        },
                        {
                            "internalType": "address",
                            "name": "to",
                            "type": "address"
                        },
                        {
                            "internalType": "uint256",
                            "name": "deadline",
                            "type": "uint256"
                        }
                    ],
                    "internalType": "struct ISmartRouter.SwapData",
                    "name": "data",
                    "type": "tuple"
                }
            ],
            "name": "swapAndDeposit",
            "outputs": [],
            "stateMutability": "payable",
            "type": "function",
            "payable": true,
            "signature": "0xce82f2b3"
        },
        {
            "inputs": [
                {
                    "internalType": "address",
                    "name": "newOwner",
                    "type": "address"
                }
            ],
            "name": "transferOwnership",
            "outputs": [],
            "stateMutability": "nonpayable",
            "type": "function",
            "signature": "0xf2fde38b"
        },
        {
            "inputs": [
                {
                    "internalType": "address",
                    "name": "newImplementation",
                    "type": "address"
                },
                {
                    "internalType": "bytes",
                    "name": "data",
                    "type": "bytes"
                }
            ],
            "name": "upgradeToAndCall",
            "outputs": [],
            "stateMutability": "payable",
            "type": "function",
            "payable": true,
            "signature": "0x4f1ef286"
        },
        {
            "inputs": [],
            "name": "wTrx",
            "outputs": [
                {
                    "internalType": "address",
                    "name": "",
                    "type": "address"
                }
            ],
            "stateMutability": "view",
            "type": "function",
            "constant": true,
            "signature": "0x2a780067"
        },
        {
            "inputs": [
                {
                    "internalType": "uint256",
                    "name": "amount",
                    "type": "uint256"
                }
            ],
            "name": "withdraw",
            "outputs": [],
            "stateMutability": "nonpayable",
            "type": "function",
            "signature": "0x2e1a7d4d"
        }
    ],
    "bytecode": 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    "source": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport \"@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol\";\nimport \"@openzeppelin/contracts/utils/math/Math.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\";\nimport \"./BokkyPooBahsDateTimeLibrary.sol\";\nimport \"./interfaces/ISmartRouter.sol\";\nimport \"tronbox/console.sol\";\n\ncontract ZebecCard is OwnableUpgradeable, UUPSUpgradeable {\n    using SafeERC20 for IERC20;\n    using BokkyPooBahsDateTimeLibrary for uint256;\n\n    struct FeeTier {\n        uint256 minAmount;\n        uint256 maxAmount;\n        uint256 fee;\n    }\n\n    struct CardConfig {\n        uint256 nativeFee;\n        uint256 nonNativeFee;\n        uint256 revenueFee;\n        uint256 counter;\n        address cardVault;\n        address revenueVault;\n        address usdcAddress;\n        uint256 minCardAmount;\n        uint256 maxCardAmount;\n        uint256 dailyCardBuyLimit;\n    }\n\n    struct CardPurchase {\n        uint256 unixInRecord; // unix timestamp of the 1st card purchase of the day\n        uint256 totalCardBoughtPerDay; // total card amount bought per day by a user\n    }\n\n    enum TokenType {\n        NATIVE,\n        NON_NATIVE,\n        USDC\n    }\n\n    event CardPurchased(\n        address indexed from,\n        uint256 indexed id,\n        uint256 amount,\n        string userEmail,\n        uint256 purchasedAt\n    );\n\n    event Swapped(\n        address indexed from,\n        address indexed srcToken,\n        uint256 amount,\n        uint256 spentAmount,\n        uint256 returnAmount,\n        uint256 feeAmount\n    );\n\n    event Deposited(address indexed from, uint256 amount);\n\n    event Withdrawn(address indexed from, uint256 withdrawnAmount);\n\n    event WithdrawYield(address indexed from, uint256 withdrawnAmount);\n\n    error NotEnoughBalance(uint256 requiredBalance, uint256 currentBalance);\n\n    CardConfig public cardConfig;\n\n    address public sunSwapRouter;\n\n    address public wTrx;\n\n    mapping(address => CardPurchase) public cardPurchases;\n\n    mapping(address => uint256) public cardBalances;\n\n    FeeTier[] public feeTiers;\n\n    function _authorizeUpgrade(\n        address newImplementation\n    ) internal override onlyOwner {}\n\n    // /**\n    //  * @notice Initializes the contract with the given parameters.\n    //  * @param card_config The configuration for the card.\n    //  * @param fee_tiers The fee tiers for the card.\n    //  */\n    function initialize(\n        CardConfig memory card_config,\n        FeeTier[] memory fee_tiers,\n        address sun_swap_router,\n        address wrapped_trx\n    ) public initializer {\n        sunSwapRouter = sun_swap_router;\n        cardConfig = card_config;\n        __UUPSUpgradeable_init();\n        __Ownable_init(msg.sender);\n        wTrx = wrapped_trx;\n        for (uint i = 0; i < fee_tiers.length; i++) {\n            feeTiers.push(fee_tiers[i]);\n        }\n    }\n\n    /**\n     * @dev Modifier to check token allowance.\n     * @param amount The amount to check against the allowance.\n     */\n    modifier checkAllowance(uint amount) {\n        require(\n            IERC20(cardConfig.usdcAddress).allowance(\n                msg.sender,\n                address(this)\n            ) >= amount,\n            \"Insufficient allowance\"\n        );\n        _;\n    }\n\n    function getFee(uint256 amount) public view returns (uint256) {\n        for (uint i = 0; i < feeTiers.length; i++) {\n            if (\n                amount >= feeTiers[i].minAmount &&\n                amount <= feeTiers[i].maxAmount\n            ) {\n                return feeTiers[i].fee;\n            }\n        }\n        revert(\"Amount out of range\");\n    }\n\n    function getFeeTiers() external view returns (FeeTier[] memory) {\n        return feeTiers;\n    }\n\n    function setFee(\n        uint256 minAmount,\n        uint256 maxAmount,\n        uint256 fee\n    ) external onlyOwner {\n        bool found = false;\n\n        for (uint i = 0; i < feeTiers.length; i++) {\n            if (\n                minAmount >= feeTiers[i].minAmount &&\n                minAmount <= feeTiers[i].maxAmount\n            ) {\n                feeTiers[i].fee = fee;\n                found = true;\n                break;\n            }\n        }\n\n        if (!found) {\n            feeTiers.push(\n                FeeTier({minAmount: minAmount, maxAmount: maxAmount, fee: fee})\n            );\n        }\n    }\n\n    function setFeeArray(FeeTier[] memory newTiers) external onlyOwner {\n        delete feeTiers;\n        // feeTiers = newTiers;\n        for (uint256 i = 0; i < newTiers.length; i++) {\n            feeTiers.push(newTiers[i]);\n        }\n    }\n\n    /**\n     * @notice Sets the native fee for the card.\n     * @param nativeFee The new native fee.\n     */\n    function setNativeFee(uint256 nativeFee) external onlyOwner {\n        cardConfig.nativeFee = nativeFee;\n    }\n\n    /**\n     * @notice Sets the non-native fee for the card.\n     * @param nonNativeFee The new non-native fee.\n     */\n    function setNonNativeFee(uint256 nonNativeFee) external onlyOwner {\n        cardConfig.nonNativeFee = nonNativeFee;\n    }\n\n    /**\n     * @notice Sets the revenue fee for the card.\n     * @param revenueFee The new revenue fee.\n     */\n    function setRevenueFee(uint256 revenueFee) external onlyOwner {\n        cardConfig.revenueFee = revenueFee;\n    }\n\n    /**\n     * @notice Sets the revenue vault address.\n     * @param revenueVault The new revenue vault address.\n     */\n    function setRevenueVault(address revenueVault) external onlyOwner {\n        cardConfig.revenueVault = revenueVault;\n    }\n\n    /**\n     * @notice Sets the card vault address.\n     * @param cardVault The new card vault address.\n     */\n    function setCardVault(address cardVault) external onlyOwner {\n        cardConfig.cardVault = cardVault;\n    }\n\n    /**\n     * @notice Sets the USDC token address.\n     * @param usdcAddress The new USDC token address.\n     */\n    function setUsdcAddress(address usdcAddress) external onlyOwner {\n        cardConfig.usdcAddress = usdcAddress;\n    }\n\n    /**\n     * @notice Sets the minimum card amount upto which user is allowed to buy\n     * @param minAmount The minimum card amount.\n     */\n    function setMinCardAmount(uint256 minAmount) external onlyOwner {\n        cardConfig.minCardAmount = minAmount;\n    }\n\n    /**\n     * @notice Sets the maximum card amount upto which user is allowed to buy\n     * @param maxAmount The maximum card amount\n     */\n    function setMaxCardAmount(uint256 maxAmount) external onlyOwner {\n        cardConfig.maxCardAmount = maxAmount;\n    }\n\n    /**\n     * @notice Sets the daily limit for buying card.\n     * @param dailyCardBuyLimit The daily limit.\n     */\n    function setDailyCardBuyLimit(\n        uint256 dailyCardBuyLimit\n    ) external onlyOwner {\n        cardConfig.dailyCardBuyLimit = dailyCardBuyLimit;\n    }\n\n    /**\n     * @notice Deposits USDC tokens into the contract.\n     * @param amount The amount of USDC tokens to deposit.\n     */\n    function depositUsdc(uint256 amount) external checkAllowance(amount) {\n        IERC20 token = IERC20(cardConfig.usdcAddress);\n        // Check for zero-amount\n        require(amount != 0, \"Invalid amount\");\n\n        token.safeTransferFrom(msg.sender, address(this), amount);\n\n        (bool overflowFlag, uint256 result) = Math.tryAdd(\n            cardBalances[msg.sender],\n            amount\n        );\n        // Note: if overflowFlag is false, then overflow occured.\n        require(overflowFlag, \"Arithmetic Overflow!\");\n        cardBalances[msg.sender] = result;\n\n        emit Deposited(msg.sender, amount);\n    }\n\n    /**\n     * @notice Withdraws USDC tokens from the contract.\n     * @param amount The amount of USDC tokens to withdraw.\n     */\n    function withdraw(uint256 amount) external {\n        IERC20 token = IERC20(cardConfig.usdcAddress);\n        address user = msg.sender;\n        // Check for zero-amount\n        require(amount != 0, \"Invalid amount\");\n\n        // Check for zero-address\n        require(user != address(0), \"Invalid address\");\n\n        uint256 userBalance = cardBalances[user];\n        if (userBalance < amount) {\n            revert NotEnoughBalance({\n                requiredBalance: amount,\n                currentBalance: userBalance\n            });\n        }\n\n        (bool overflowFlag, uint256 result) = Math.trySub(userBalance, amount);\n        // Note: if overflowFlag is false, then overflow occured.\n        require(overflowFlag, \"Arithmetic Overflow!\");\n        cardBalances[user] = result;\n        token.safeTransfer(user, amount);\n\n        emit Withdrawn(user, amount);\n    }\n\n    /**\n     * @notice Buys a card with USDC tokens.\n     * @param amount The amount of USDC tokens to use for the purchase.\n     * @param userEmail The user's email.\n     */\n    function buyCard(uint256 amount, string memory userEmail) external {\n        IERC20 token = IERC20(cardConfig.usdcAddress);\n        // Check for zero-address\n        require(msg.sender != address(0), \"Invalid address\");\n\n        // Check whether purchase amount falls within buying range\n        require(\n            amount >= cardConfig.minCardAmount &&\n                amount <= cardConfig.maxCardAmount,\n            \"Amount not within buying range!\"\n        );\n\n        // Check whether msg.sender has enough card balance\n        if (cardBalances[msg.sender] < amount) {\n            revert NotEnoughBalance({\n                requiredBalance: amount,\n                currentBalance: cardBalances[msg.sender]\n            });\n        }\n\n        // revenue amount calculation\n        uint256 revenueFee = getFee(amount);\n        uint256 revenueAmount = (amount * revenueFee) / 10000;\n\n        // card amount calculation\n        (bool overflowFlag, uint256 cardAmount) = Math.trySub(\n            amount,\n            revenueAmount\n        );\n        require(overflowFlag, \"Arithmetic Overflow!\");\n        // update card balance accordingly\n        (bool __overflowFlag, uint256 _result) = Math.trySub(\n            cardBalances[msg.sender],\n            amount\n        );\n        require(__overflowFlag, \"Arithmetic Overflow!\");\n        cardBalances[msg.sender] = _result;\n\n        cardConfig.counter++;\n        uint256 unix_now;\n        uint256 amount_1 = amount; // to avoid stack too deep error\n        {\n            // block scoping to avoid stack too deep error\n            unix_now = block.timestamp;\n            (\n                uint256 year_now,\n                uint256 month_now,\n                uint256 day_now\n            ) = BokkyPooBahsDateTimeLibrary.timestampToDate(unix_now); // returns (year, month, day)\n\n            (\n                uint256 year_from_record,\n                uint256 month_from_record,\n                uint256 day_from_record\n            ) = BokkyPooBahsDateTimeLibrary.timestampToDate(\n                    cardPurchases[msg.sender].unixInRecord\n                );\n\n            // Check whether it's the same date or a new one\n            bool isSameDate = (year_now == year_from_record &&\n                month_now == month_from_record &&\n                day_now == day_from_record);\n            if (isSameDate) {\n                // holds True if it's the same day\n                // update totalCardBoughtPerDay\n                (bool _overflowFlag, uint256 result) = Math.tryAdd(\n                    cardPurchases[msg.sender].totalCardBoughtPerDay,\n                    amount_1\n                );\n\n                // Note: if _overflowFlag is false, then overflow occured.\n                require(_overflowFlag, \"Arithmetic Overflow!\");\n                cardPurchases[msg.sender].totalCardBoughtPerDay = result;\n            } else {\n                // holds True for the 1st card purchase or if it's another date\n                cardPurchases[msg.sender].unixInRecord = unix_now;\n                // update totalCardBoughtPerDay\n                cardPurchases[msg.sender].totalCardBoughtPerDay = amount_1;\n            }\n        }\n        // Check whether daily purchase limit has exceeded or not\n        require(\n            cardPurchases[msg.sender].totalCardBoughtPerDay <=\n                cardConfig.dailyCardBuyLimit,\n            \"Daily Card Buy Limit Exceeded!\"\n        );\n\n        // Proceed with the transfers\n        token.safeTransfer(cardConfig.revenueVault, revenueAmount);\n        token.safeTransfer(cardConfig.cardVault, cardAmount);\n\n        emit CardPurchased(\n            msg.sender,\n            cardConfig.counter,\n            amount,\n            userEmail,\n            unix_now\n        );\n    }\n\n    /**\n     * @dev Transfers native tokens securely.\n     * @param to The recipient address.\n     * @param value The amount to transfer.\n     */\n    function _safeNativeTransfer(address to, uint256 value) private {\n        (bool success, ) = to.call{value: value}(new bytes(0));\n        require(success, \"TransferHelper: NATIVE_TRANSFER_FAILED\");\n    }\n\n    function swapAndDeposit(\n        address[] calldata path,\n        string[] calldata poolVersion,\n        uint256[] calldata versionLen,\n        uint24[] calldata fees,\n        ISmartRouter.SwapData calldata data\n    ) external payable {\n        // require(address(desc.dstToken) == cardConfig.usdcAddress, \"Invalid destination token\");\n\n        require(data.to == address(this), \"Invalid destination receiver\");\n\n        IERC20 srcToken = IERC20(address(path[0])); // not sure\n        uint256 amountIn = data.amountIn;\n        \n        bool isNotNative = address(srcToken) != wTrx;\n        if (isNotNative) {\n            srcToken.safeTransferFrom(\n                _msgSender(),\n                address(this),\n                amountIn\n            );\n\n            // approve AggregationRouterV6 to spend srcToken\n            require(srcToken.approve(sunSwapRouter,amountIn), \"Approval failed\");\n        }\n        \n\n        (uint256[] memory amountsOut) = ISmartRouter(sunSwapRouter).swapExactInput{value:msg.value}(path, poolVersion, versionLen, fees, data);\n        for (uint i = 0; i < amountsOut.length; i++) {\n            console.log(\"amountsOut[%d]: %s\", i, amountsOut[i]);\n        }\n        uint256 amountOut = amountsOut[amountsOut.length - 1];\n        require(amountOut > 0, \"Swap failed\");\n\n        // // send unspent tokens (if any) back to the sender after the swap\n        // (bool overflowFlag, uint256 result) = Math.trySub(params.amount, spentAmount);\n        // // Note: if overflowFlag is false, then overflow occured.\n        // require(overflowFlag, \"Arithmetic Overflow!\");\n        // uint256 unspentAmount = result;\n        // if (unspentAmount > 0) {\n        //     if (isNotNative) {\n        //             srcToken.safeTransfer(_msgSender(), unspentAmount);\n        //     } else {\n        //             _safeNativeTransfer(_msgSender(), unspentAmount);\n        //     }\n        // }\n\n        uint256 fee;\n\n        uint256 feeAmount = (amountOut * fee) / 10000;\n        (bool _overflowFlag, uint256 _result) = Math.trySub(amountOut, feeAmount);\n        // Note: if overflowFlag is false, then overflow occured.\n        require(_overflowFlag, \"Arithmetic Overflow!\");\n        uint256 userAmount = _result;\n\n        // transfer feeAmount to revenueVault\n        IERC20 usdc = IERC20(cardConfig.usdcAddress);\n        usdc.safeTransfer(cardConfig.revenueVault, feeAmount);\n\n        (bool __overflowFlag, uint256 __result) = Math.tryAdd(cardBalances[_msgSender()], userAmount);\n        // Note: if _overflowFlag is false, then overflow occured.\n        require(__overflowFlag, \"Arithmetic Overflow!\");\n        cardBalances[_msgSender()] = __result;\n\n        emit Swapped(_msgSender(), address(srcToken), amountIn, amountIn, amountOut, feeAmount);\n    }\n}\n",
    "sourcePath": "/Users/chou/Developer/tron-silver-card-contract/contracts/ZebecCard.sol",
    "ast": {
        "absolutePath": "/Users/chou/Developer/tron-silver-card-contract/contracts/ZebecCard.sol",
        "exportedSymbols": {
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            "BokkyPooBahsDateTimeLibrary": [1483],
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            "IERC1822Proxiable": [3398],
            "IERC20": [3789],
            "IERC20Permit": [3825],
            "ISmartRouter": [2711],
            "Initializable": [3160],
            "Math": [5532],
            "OwnableUpgradeable": [2906],
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            "UUPSUpgradeable": [3342],
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                "baseContracts": [
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                            "text": " @notice Sets the revenue vault address.\n @param revenueVault The new revenue vault address."
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                        "id": 1922,
                        "implemented": true,
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                                    "name": "onlyOwner",
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                                    "nodeType": "IdentifierPath",
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                                    "src": "5630:9:1"
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                                "nodeType": "ModifierInvocation",
                                "src": "5630:9:1"
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                        ],
                        "name": "setRevenueVault",
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                                    "name": "revenueVault",
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                                    "nodeType": "VariableDeclaration",
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                                    "stateVariable": false,
                                    "storageLocation": "default",
                                    "typeDescriptions": {
                                        "typeIdentifier": "t_address",
                                        "typeString": "address"
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                                        "name": "address",
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                                        "stateMutability": "nonpayable",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_address",
                                            "typeString": "address"
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                                }
                            ],
                            "src": "5598:22:1"
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                                                "name": "cardConfig",
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                            ]
                        },
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                            "text": " @notice Sets the card vault address.\n @param cardVault The new card vault address."
                        },
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                                    "storageLocation": "default",
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                                        "name": "address",
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                                            "typeIdentifier": "t_address",
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                    },
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                                        "lValueRequested": false,
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                                                "name": "cardConfig",
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                                                    "typeIdentifier": "t_struct$_CardConfig_$1532_storage",
                                                    "typeString": "struct ZebecCard.CardConfig storage ref"
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                                            "memberLocation": "6127:11:1",
                                            "memberName": "usdcAddress",
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                                            "typeIdentifier": "t_address",
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                            ]
                        },
                        "documentation": {
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                            "nodeType": "StructuredDocumentation",
                            "src": "5928:109:1",
                            "text": " @notice Sets the USDC token address.\n @param usdcAddress The new USDC token address."
                        },
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                                                    "typeIdentifier": "t_struct$_CardConfig_$1532_storage",
                                                    "typeString": "struct ZebecCard.CardConfig storage ref"
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                                            "lValueRequested": true,
                                            "memberLocation": "6393:13:1",
                                            "memberName": "minCardAmount",
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                                                "typeIdentifier": "t_uint256",
                                                "typeString": "uint256"
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                                        "operator": "=",
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                                            "id": 1963,
                                            "name": "minAmount",
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                                                "typeIdentifier": "t_uint256",
                                                "typeString": "uint256"
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                            "text": " @notice Sets the minimum card amount upto which user is allowed to buy\n @param minAmount The minimum card amount."
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                                                "typeIdentifier": "t_uint256",
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                            "text": " @notice Sets the maximum card amount upto which user is allowed to buy\n @param maxAmount The maximum card amount"
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                                            "name": "dailyCardBuyLimit",
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                                            "src": "6945:17:1",
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                                                "typeIdentifier": "t_uint256",
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                        },
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                            "nodeType": "StructuredDocumentation",
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                                                    "typeString": "struct ZebecCard.CardConfig storage ref"
                                                }
                                            },
                                            "id": 1917,
                                            "isConstant": false,
                                            "isLValue": true,
                                            "isPure": false,
                                            "lValueRequested": true,
                                            "memberLocation": "5661:12:1",
                                            "memberName": "revenueVault",
                                            "nodeType": "MemberAccess",
                                            "referencedDeclaration": 1523,
                                            "src": "5650:23:1",
                                            "typeDescriptions": {
                                                "typeIdentifier": "t_address",
                                                "typeString": "address"
                                            }
                                        },
                                        "nodeType": "Assignment",
                                        "operator": "=",
                                        "rightHandSide": {
                                            "id": 1918,
                                            "name": "revenueVault",
                                            "nodeType": "Identifier",
                                            "overloadedDeclarations": [],
                                            "referencedDeclaration": 1910,
                                            "src": "5676:12:1",
                                            "typeDescriptions": {
                                                "typeIdentifier": "t_address",
                                                "typeString": "address"
                                            }
                                        },
                                        "src": "5650:38:1",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_address",
                                            "typeString": "address"
                                        }
                                    },
                                    "id": 1920,
                                    "nodeType": "ExpressionStatement",
                                    "src": "5650:38:1"
                                }
                            ]
                        },
                        "documentation": {
                            "id": 1908,
                            "nodeType": "StructuredDocumentation",
                            "src": "5453:116:1",
                            "text": " @notice Sets the revenue vault address.\n @param revenueVault The new revenue vault address."
                        },
                        "functionSelector": "4d68e925",
                        "id": 1922,
                        "implemented": true,
                        "kind": "function",
                        "modifiers": [
                            {
                                "id": 1913,
                                "kind": "modifierInvocation",
                                "modifierName": {
                                    "id": 1912,
                                    "name": "onlyOwner",
                                    "nameLocations": ["5630:9:1"],
                                    "nodeType": "IdentifierPath",
                                    "referencedDeclaration": 2801,
                                    "src": "5630:9:1"
                                },
                                "nodeType": "ModifierInvocation",
                                "src": "5630:9:1"
                            }
                        ],
                        "name": "setRevenueVault",
                        "nameLocation": "5583:15:1",
                        "nodeType": "FunctionDefinition",
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                            "id": 1911,
                            "nodeType": "ParameterList",
                            "parameters": [
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                                    "id": 1910,
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                                    "name": "revenueVault",
                                    "nameLocation": "5607:12:1",
                                    "nodeType": "VariableDeclaration",
                                    "scope": 1922,
                                    "src": "5599:20:1",
                                    "stateVariable": false,
                                    "storageLocation": "default",
                                    "typeDescriptions": {
                                        "typeIdentifier": "t_address",
                                        "typeString": "address"
                                    },
                                    "typeName": {
                                        "id": 1909,
                                        "name": "address",
                                        "nodeType": "ElementaryTypeName",
                                        "src": "5599:7:1",
                                        "stateMutability": "nonpayable",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_address",
                                            "typeString": "address"
                                        }
                                    },
                                    "visibility": "internal"
                                }
                            ],
                            "src": "5598:22:1"
                        },
                        "returnParameters": {
                            "id": 1914,
                            "nodeType": "ParameterList",
                            "parameters": [],
                            "src": "5640:0:1"
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                        "scope": 2657,
                        "src": "5574:121:1",
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                        "visibility": "external"
                    },
                    {
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                            "nodeType": "Block",
                            "src": "5873:49:1",
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                                {
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                                        "lValueRequested": false,
                                        "leftHandSide": {
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                                                "name": "cardConfig",
                                                "nodeType": "Identifier",
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                                                "typeDescriptions": {
                                                    "typeIdentifier": "t_struct$_CardConfig_$1532_storage",
                                                    "typeString": "struct ZebecCard.CardConfig storage ref"
                                                }
                                            },
                                            "id": 1932,
                                            "isConstant": false,
                                            "isLValue": true,
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                                            "lValueRequested": true,
                                            "memberLocation": "5894:9:1",
                                            "memberName": "cardVault",
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                                                "typeIdentifier": "t_address",
                                                "typeString": "address"
                                            }
                                        },
                                        "nodeType": "Assignment",
                                        "operator": "=",
                                        "rightHandSide": {
                                            "id": 1933,
                                            "name": "cardVault",
                                            "nodeType": "Identifier",
                                            "overloadedDeclarations": [],
                                            "referencedDeclaration": 1925,
                                            "src": "5906:9:1",
                                            "typeDescriptions": {
                                                "typeIdentifier": "t_address",
                                                "typeString": "address"
                                            }
                                        },
                                        "src": "5883:32:1",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_address",
                                            "typeString": "address"
                                        }
                                    },
                                    "id": 1935,
                                    "nodeType": "ExpressionStatement",
                                    "src": "5883:32:1"
                                }
                            ]
                        },
                        "documentation": {
                            "id": 1923,
                            "nodeType": "StructuredDocumentation",
                            "src": "5701:107:1",
                            "text": " @notice Sets the card vault address.\n @param cardVault The new card vault address."
                        },
                        "functionSelector": "d895a46b",
                        "id": 1937,
                        "implemented": true,
                        "kind": "function",
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                                "id": 1928,
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                                    "id": 1927,
                                    "name": "onlyOwner",
                                    "nameLocations": ["5863:9:1"],
                                    "nodeType": "IdentifierPath",
                                    "referencedDeclaration": 2801,
                                    "src": "5863:9:1"
                                },
                                "nodeType": "ModifierInvocation",
                                "src": "5863:9:1"
                            }
                        ],
                        "name": "setCardVault",
                        "nameLocation": "5822:12:1",
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                            "id": 1926,
                            "nodeType": "ParameterList",
                            "parameters": [
                                {
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                                    "id": 1925,
                                    "mutability": "mutable",
                                    "name": "cardVault",
                                    "nameLocation": "5843:9:1",
                                    "nodeType": "VariableDeclaration",
                                    "scope": 1937,
                                    "src": "5835:17:1",
                                    "stateVariable": false,
                                    "storageLocation": "default",
                                    "typeDescriptions": {
                                        "typeIdentifier": "t_address",
                                        "typeString": "address"
                                    },
                                    "typeName": {
                                        "id": 1924,
                                        "name": "address",
                                        "nodeType": "ElementaryTypeName",
                                        "src": "5835:7:1",
                                        "stateMutability": "nonpayable",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_address",
                                            "typeString": "address"
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                                    },
                                    "visibility": "internal"
                                }
                            ],
                            "src": "5834:19:1"
                        },
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                            "nodeType": "ParameterList",
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                            "src": "5873:0:1"
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                        "src": "5813:109:1",
                        "stateMutability": "nonpayable",
                        "virtual": false,
                        "visibility": "external"
                    },
                    {
                        "body": {
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                            "nodeType": "Block",
                            "src": "6106:53:1",
                            "statements": [
                                {
                                    "expression": {
                                        "id": 1949,
                                        "isConstant": false,
                                        "isLValue": false,
                                        "isPure": false,
                                        "lValueRequested": false,
                                        "leftHandSide": {
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                                                "name": "cardConfig",
                                                "nodeType": "Identifier",
                                                "overloadedDeclarations": [],
                                                "referencedDeclaration": 1594,
                                                "src": "6116:10:1",
                                                "typeDescriptions": {
                                                    "typeIdentifier": "t_struct$_CardConfig_$1532_storage",
                                                    "typeString": "struct ZebecCard.CardConfig storage ref"
                                                }
                                            },
                                            "id": 1947,
                                            "isConstant": false,
                                            "isLValue": true,
                                            "isPure": false,
                                            "lValueRequested": true,
                                            "memberLocation": "6127:11:1",
                                            "memberName": "usdcAddress",
                                            "nodeType": "MemberAccess",
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                                            "src": "6116:22:1",
                                            "typeDescriptions": {
                                                "typeIdentifier": "t_address",
                                                "typeString": "address"
                                            }
                                        },
                                        "nodeType": "Assignment",
                                        "operator": "=",
                                        "rightHandSide": {
                                            "id": 1948,
                                            "name": "usdcAddress",
                                            "nodeType": "Identifier",
                                            "overloadedDeclarations": [],
                                            "referencedDeclaration": 1940,
                                            "src": "6141:11:1",
                                            "typeDescriptions": {
                                                "typeIdentifier": "t_address",
                                                "typeString": "address"
                                            }
                                        },
                                        "src": "6116:36:1",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_address",
                                            "typeString": "address"
                                        }
                                    },
                                    "id": 1950,
                                    "nodeType": "ExpressionStatement",
                                    "src": "6116:36:1"
                                }
                            ]
                        },
                        "documentation": {
                            "id": 1938,
                            "nodeType": "StructuredDocumentation",
                            "src": "5928:109:1",
                            "text": " @notice Sets the USDC token address.\n @param usdcAddress The new USDC token address."
                        },
                        "functionSelector": "d38bcdee",
                        "id": 1952,
                        "implemented": true,
                        "kind": "function",
                        "modifiers": [
                            {
                                "id": 1943,
                                "kind": "modifierInvocation",
                                "modifierName": {
                                    "id": 1942,
                                    "name": "onlyOwner",
                                    "nameLocations": ["6096:9:1"],
                                    "nodeType": "IdentifierPath",
                                    "referencedDeclaration": 2801,
                                    "src": "6096:9:1"
                                },
                                "nodeType": "ModifierInvocation",
                                "src": "6096:9:1"
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                        ],
                        "name": "setUsdcAddress",
                        "nameLocation": "6051:14:1",
                        "nodeType": "FunctionDefinition",
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                            "id": 1941,
                            "nodeType": "ParameterList",
                            "parameters": [
                                {
                                    "constant": false,
                                    "id": 1940,
                                    "mutability": "mutable",
                                    "name": "usdcAddress",
                                    "nameLocation": "6074:11:1",
                                    "nodeType": "VariableDeclaration",
                                    "scope": 1952,
                                    "src": "6066:19:1",
                                    "stateVariable": false,
                                    "storageLocation": "default",
                                    "typeDescriptions": {
                                        "typeIdentifier": "t_address",
                                        "typeString": "address"
                                    },
                                    "typeName": {
                                        "id": 1939,
                                        "name": "address",
                                        "nodeType": "ElementaryTypeName",
                                        "src": "6066:7:1",
                                        "stateMutability": "nonpayable",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_address",
                                            "typeString": "address"
                                        }
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                                    "visibility": "internal"
                                }
                            ],
                            "src": "6065:21:1"
                        },
                        "returnParameters": {
                            "id": 1944,
                            "nodeType": "ParameterList",
                            "parameters": [],
                            "src": "6106:0:1"
                        },
                        "scope": 2657,
                        "src": "6042:117:1",
                        "stateMutability": "nonpayable",
                        "virtual": false,
                        "visibility": "external"
                    },
                    {
                        "body": {
                            "id": 1966,
                            "nodeType": "Block",
                            "src": "6372:53:1",
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                                {
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                                        "isConstant": false,
                                        "isLValue": false,
                                        "isPure": false,
                                        "lValueRequested": false,
                                        "leftHandSide": {
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                                                "name": "cardConfig",
                                                "nodeType": "Identifier",
                                                "overloadedDeclarations": [],
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                                                "src": "6382:10:1",
                                                "typeDescriptions": {
                                                    "typeIdentifier": "t_struct$_CardConfig_$1532_storage",
                                                    "typeString": "struct ZebecCard.CardConfig storage ref"
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                                            },
                                            "id": 1962,
                                            "isConstant": false,
                                            "isLValue": true,
                                            "isPure": false,
                                            "lValueRequested": true,
                                            "memberLocation": "6393:13:1",
                                            "memberName": "minCardAmount",
                                            "nodeType": "MemberAccess",
                                            "referencedDeclaration": 1527,
                                            "src": "6382:24:1",
                                            "typeDescriptions": {
                                                "typeIdentifier": "t_uint256",
                                                "typeString": "uint256"
                                            }
                                        },
                                        "nodeType": "Assignment",
                                        "operator": "=",
                                        "rightHandSide": {
                                            "id": 1963,
                                            "name": "minAmount",
                                            "nodeType": "Identifier",
                                            "overloadedDeclarations": [],
                                            "referencedDeclaration": 1955,
                                            "src": "6409:9:1",
                                            "typeDescriptions": {
                                                "typeIdentifier": "t_uint256",
                                                "typeString": "uint256"
                                            }
                                        },
                                        "src": "6382:36:1",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_uint256",
                                            "typeString": "uint256"
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                                    },
                                    "id": 1965,
                                    "nodeType": "ExpressionStatement",
                                    "src": "6382:36:1"
                                }
                            ]
                        },
                        "documentation": {
                            "id": 1953,
                            "nodeType": "StructuredDocumentation",
                            "src": "6165:138:1",
                            "text": " @notice Sets the minimum card amount upto which user is allowed to buy\n @param minAmount The minimum card amount."
                        },
                        "functionSelector": "48455ff0",
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                        "implemented": true,
                        "kind": "function",
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                                    "src": "6362:9:1"
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                                "nodeType": "ModifierInvocation",
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                        ],
                        "name": "setMinCardAmount",
                        "nameLocation": "6317:16:1",
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                                    "id": 1955,
                                    "mutability": "mutable",
                                    "name": "minAmount",
                                    "nameLocation": "6342:9:1",
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                                    "stateVariable": false,
                                    "storageLocation": "default",
                                    "typeDescriptions": {
                                        "typeIdentifier": "t_uint256",
                                        "typeString": "uint256"
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                                        "name": "uint256",
                                        "nodeType": "ElementaryTypeName",
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                                        "typeDescriptions": {
                                            "typeIdentifier": "t_uint256",
                                            "typeString": "uint256"
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                        "visibility": "external"
                    },
                    {
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                                        "isPure": false,
                                        "lValueRequested": false,
                                        "leftHandSide": {
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                                                "name": "cardConfig",
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                                                "typeDescriptions": {
                                                    "typeIdentifier": "t_struct$_CardConfig_$1532_storage",
                                                    "typeString": "struct ZebecCard.CardConfig storage ref"
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                                            "id": 1977,
                                            "isConstant": false,
                                            "isLValue": true,
                                            "isPure": false,
                                            "lValueRequested": true,
                                            "memberLocation": "6658:13:1",
                                            "memberName": "maxCardAmount",
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                                                "typeIdentifier": "t_uint256",
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                                        },
                                        "nodeType": "Assignment",
                                        "operator": "=",
                                        "rightHandSide": {
                                            "id": 1978,
                                            "name": "maxAmount",
                                            "nodeType": "Identifier",
                                            "overloadedDeclarations": [],
                                            "referencedDeclaration": 1970,
                                            "src": "6674:9:1",
                                            "typeDescriptions": {
                                                "typeIdentifier": "t_uint256",
                                                "typeString": "uint256"
                                            }
                                        },
                                        "src": "6647:36:1",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_uint256",
                                            "typeString": "uint256"
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                                    },
                                    "id": 1980,
                                    "nodeType": "ExpressionStatement",
                                    "src": "6647:36:1"
                                }
                            ]
                        },
                        "documentation": {
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                            "nodeType": "StructuredDocumentation",
                            "src": "6431:137:1",
                            "text": " @notice Sets the maximum card amount upto which user is allowed to buy\n @param maxAmount The maximum card amount"
                        },
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                        "implemented": true,
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                                    "mutability": "mutable",
                                    "name": "maxAmount",
                                    "nameLocation": "6607:9:1",
                                    "nodeType": "VariableDeclaration",
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                                    "src": "6599:17:1",
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                                    "storageLocation": "default",
                                    "typeDescriptions": {
                                        "typeIdentifier": "t_uint256",
                                        "typeString": "uint256"
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                                        "name": "uint256",
                                        "nodeType": "ElementaryTypeName",
                                        "src": "6599:7:1",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_uint256",
                                            "typeString": "uint256"
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                                    },
                                    "visibility": "internal"
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                            ],
                            "src": "6598:19:1"
                        },
                        "returnParameters": {
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                            "nodeType": "ParameterList",
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                            "src": "6637:0:1"
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                    {
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                                        "isConstant": false,
                                        "isLValue": false,
                                        "isPure": false,
                                        "lValueRequested": false,
                                        "leftHandSide": {
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                                                "name": "cardConfig",
                                                "nodeType": "Identifier",
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                                                "src": "6914:10:1",
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                                                    "typeIdentifier": "t_struct$_CardConfig_$1532_storage",
                                                    "typeString": "struct ZebecCard.CardConfig storage ref"
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                                            "id": 1992,
                                            "isConstant": false,
                                            "isLValue": true,
                                            "isPure": false,
                                            "lValueRequested": true,
                                            "memberLocation": "6925:17:1",
                                            "memberName": "dailyCardBuyLimit",
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                                            "src": "6914:28:1",
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                                                "typeIdentifier": "t_uint256",
                                                "typeString": "uint256"
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                                        },
                                        "nodeType": "Assignment",
                                        "operator": "=",
                                        "rightHandSide": {
                                            "id": 1993,
                                            "name": "dailyCardBuyLimit",
                                            "nodeType": "Identifier",
                                            "overloadedDeclarations": [],
                                            "referencedDeclaration": 1985,
                                            "src": "6945:17:1",
                                            "typeDescriptions": {
                                                "typeIdentifier": "t_uint256",
                                                "typeString": "uint256"
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                                        },
                                        "src": "6914:48:1",
                                        "typeDescriptions": {
                                            "typeIdentifier": "t_uint256",
                                            "typeString": "uint256"
                                        }
                                    },
                                    "id": 1995,
                                    "nodeType": "ExpressionStatement",
                                    "src": "6914:48:1"
                                }
                            ]
                        },
                        "documentation": {
                            "id": 1983,
                            "nodeType": "StructuredDocumentation",
                            "src": "6696:113:1",
                            "text": " @notice Sets the daily limit for buying card.\n @param dailyCardBuyLimit The daily limit."
                        },
                        "functionSelector": "bea9c43e",
                        "id": 1997,
                        "implemented": true,
                        "kind": "function",
                        "modifiers": [
                            {
                                "id": 1988,
                                "kind": "modifierInvocation",
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                                    "name": "onlyOwner",
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                                    "nodeType": "IdentifierPath",
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                                    "src": "6894:9:1"
                                },
                                "nodeType": "ModifierInvocation",
                                "src": "6894:9:1"
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                        ],
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}