{
  "chat": "[{\"id\":\"aaa29793-c131-48b6-8ea8-fc9789a6769b\",\"role\":\"user\",\"content\":\"/**\\n *Submitted for verification at BscScan.com on 2021-04-04\\n*/\\n\\n/*\\n * @dev Provides information about the current execution context, including the\\n * sender of the transaction and its data. While these are generally available\\n * via msg.sender and msg.data, they should not be accessed in such a direct\\n * manner, since when dealing with GSN meta-transactions the account sending and\\n * paying for execution may not be the actual sender (as far as an application\\n * is concerned).\\n *\\n * This contract is only required for intermediate, library-like contracts.\\n */\\ncontract Context {\\n    // Empty internal constructor, to prevent people from mistakenly deploying\\n    // an instance of this contract, which should be used via inheritance.\\n    constructor() internal {}\\n\\n    function _msgSender() internal view returns (address payable) {\\n        return msg.sender;\\n    }\\n\\n    function _msgData() internal view returns (bytes memory) {\\n        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691\\n        return msg.data;\\n    }\\n}\\n\\npragma solidity 0.6.12;\\n\\n這段智能合約是甚麼意思\"},{\"id\":\"76f12971-fe87-4915-b25b-d573d8064fe4\",\"role\":\"assistant\",\"content\":\"這段智能合約是用Solidity語言撰寫的，以提供一個基礎上下文（Context）給其他合約使用。它主要用於擴展和提供基本的功能，讓子合約可以輕鬆地獲取交易的基本信息。以下是這段合約的詳細說明：\\n\\n合約名稱\\n\\nContext\\n\\n主要功能\\n提供基本上下文信息：這個合約的目的是提供有關當前執行上下文的基本信息，包括交易的發送者和數據。\\n元交易支持：在處理GSN（Gas Station Network）元交易時，交易的支付方和實際的發送者可能不是同一個。因此，這個合約通過提供 _msgSender 和 _msgData 兩個函數來安全地獲取這些信息，而不是直接使用 msg.sender 和 msg.data。\\n函數\\nconstructor()\\n內部構造函數，防止這個合約被直接部署，應該通過繼承來使用。\\n_msgSender()\\n返回交易的發送者地址。\\n_msgData()\\n返回交易的數據。\\n詳細解釋\\nsolidity\\n複製程式碼\\ncontract Context {\\n    // 空的內部構造函數，防止這個合約被直接部署，應該通過繼承來使用。\\n    constructor() internal {}\\n\\n    // 返回交易的發送者地址\\n    function _msgSender() internal view returns (address payable) {\\n        return msg.sender;\\n    }\\n\\n    // 返回交易的數據\\n    function _msgData() internal view returns (bytes memory) {\\n        this; // 用於消除狀態可變性警告而不生成字節碼\\n        return msg.data;\\n    }\\n}\\n\\n使用範例\\n\\n這個 Context 合約通常會被其他合約繼承，以便子合約可以使用 _msgSender 和 _msgData 函數來獲取交易的發送者和數據。例如：\\n\\nsolidity\\n複製程式碼\\npragma solidity 0.6.12;\\n\\ncontract MyContract is Context {\\n    function doSomething() public {\\n        address sender = _msgSender();\\n        bytes memory data = _msgData();\\n        // 使用 sender 和 data 來執行某些操作\\n    }\\n}\\n\\n總結\\n\\n這個 Context 合約是一個基礎合約，提供了一些基本的功能，特別是在支持元交易的情況下，這些功能變得尤為重要。它通常不會被單獨部署，而是被其他合約繼承並使用。\"},{\"id\":\"aaa26560-7140-46ac-8983-4ba82f663643\",\"role\":\"user\",\"content\":\"/**\\n * @dev Wrappers over Solidity's arithmetic operations with added overflow\\n * checks.\\n *\\n * Arithmetic operations in Solidity wrap on overflow. This can easily result\\n * in bugs, because programmers usually assume that an overflow raises an\\n * error, which is the standard behavior in high level programming languages.\\n * `SafeMath` restores this intuition by reverting the transaction when an\\n * operation overflows.\\n *\\n * Using this library instead of the unchecked operations eliminates an entire\\n * class of bugs, so it's recommended to use it always.\\n */\\nlibrary SafeMath {\\n    /**\\n     * @dev Returns the addition of two unsigned integers, reverting on\\n     * overflow.\\n     *\\n     * Counterpart to Solidity's `+` operator.\\n     *\\n     * Requirements:\\n     *\\n     * - Addition cannot overflow.\\n     */\\n    function add(uint256 a, uint256 b) internal pure returns (uint256) {\\n        uint256 c = a + b;\\n        require(c \\u003e= a, 'SafeMath: addition overflow');\\n\\n        return c;\\n    }\\n\\n    /**\\n     * @dev Returns the subtraction of two unsigned integers, reverting on\\n     * overflow (when the result is negative).\\n     *\\n     * Counterpart to Solidity's `-` operator.\\n     *\\n     * Requirements:\\n     *\\n     * - Subtraction cannot overflow.\\n     */\\n    function sub(uint256 a, uint256 b) internal pure returns (uint256) {\\n        return sub(a, b, 'SafeMath: subtraction overflow');\\n    }\\n\\n    /**\\n     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on\\n     * overflow (when the result is negative).\\n     *\\n     * Counterpart to Solidity's `-` operator.\\n     *\\n     * Requirements:\\n     *\\n     * - Subtraction cannot overflow.\\n     */\\n    function sub(\\n        uint256 a,\\n        uint256 b,\\n        string memory errorMessage\\n    ) internal pure returns (uint256) {\\n        require(b \\u003c= a, errorMessage);\\n        uint256 c = a - b;\\n\\n這一部分呢 是甚麼意思\"},{\"id\":\"aaa2b21e-d794-4125-9cf7-300c6ecab0c9\",\"role\":\"assistant\",\"content\":\"\"}]",
  "evmAddress": "0xB6b8dB8842eb2B77101B9F18A2115bD1c26286B9",
  "evmAddressEmbedding": [
    -0.03949405997991562,
    0.03393768519163132,
    -0.05622168257832527,
    -0.004756204783916473,
    -0.033035147935152054,
    0.028643211349844933,
    0.11356561630964279,
    -0.002603663830086589,
    0.00555682135745883,
    -0.0718405619263649,
    0.020367760211229324,
    -0.10582581162452698,
    0.00021968473447486758,
    0.03680122271180153,
    -0.08719126880168915,
    0.0412619486451149,
    -0.07237009704113007,
    -0.13510289788246155,
    -0.06706598401069641,
    0.03206431493163109,
    -0.005232785828411579,
    -0.03410845994949341,
    -0.11303339898586273,
    -0.04246709123253822,
    0.007704863324761391,
    -0.03075934760272503,
    0.018282288685441017,
    0.06027819588780403,
    0.03040447272360325,
    -0.13807420432567596,
    0.09448418021202087,
    0.07211814820766449,
    0.06733433902263641,
    -0.028116095811128616,
    0.09698164463043213,
    -0.011098593473434448,
    0.0036075892858207226,
    -0.08210000395774841,
    0.04895419627428055,
    -0.01884431019425392,
    0.045711349695920944,
    -0.0076781450770795345,
    0.0826399177312851,
    0.08497093617916107,
    -0.007987418211996555,
    0.02336793579161167,
    -0.031747620552778244,
    0.015775172039866447,
    0.027187149971723557,
    -0.02447684481739998,
    0.031876228749752045,
    0.01591019704937935,
    -0.07423121482133865,
    0.06044519320130348,
    0.05836427956819534,
    -0.001045207493007183,
    -0.015688490122556686,
    0.03171095624566078,
    0.06440768390893936,
    0.013036577962338924,
    0.09127574414014816,
    -0.01956109143793583,
    0.023279357701539993,
    -0.039937134832143784,
    0.009461460635066032,
    0.028993265703320503,
    -0.09824461489915848,
    -0.1374819427728653,
    -0.019391978159546852,
    -0.03319023922085762,
    -0.07833268493413925,
    0.05129479616880417,
    0.031609367579221725,
    0.004746329504996538,
    0.03041272796690464,
    -0.015987146645784378,
    -0.05217474699020386,
    -0.051499564200639725,
    0.044780831784009933,
    -0.0156384464353323,
    -0.10289950668811798,
    -0.09525322169065475,
    -0.049083322286605835,
    0.05332610011100769,
    0.015897372737526894,
    0.013708953745663166,
    -0.017233621329069138,
    -0.015410186722874641,
    0.03639426454901695,
    0.008122416213154793,
    -0.0007419828907586634,
    0.03544482961297035,
    0.03390834853053093,
    -0.04128219187259674,
    -0.07582318037748337,
    0.07252609729766846,
    0.08234528452157974,
    -0.02209099940955639,
    -0.05859915167093277,
    0.15140539407730103,
    -0.00859224982559681,
    0.0319787934422493,
    -0.0034701882395893335,
    0.02143673039972782,
    0.009870504960417747,
    -0.038695454597473145,
    -0.000285717862425372,
    0.030807461589574814,
    -0.054662156850099564,
    -0.03254682198166847,
    -0.07317155599594116,
    0.018083587288856506,
    -0.030774077400565147,
    0.022229941561818123,
    0.05368851497769356,
    -0.0381179116666317,
    -0.05349457263946533,
    0.02405574731528759,
    0.014782729558646679,
    -0.06977101415395737,
    0.10891438275575638,
    -0.016810012981295586,
    -0.04135163128376007,
    -0.03449220210313797,
    -0.16482971608638763,
    -0.04486265033483505,
    -0.0361657440662384,
    1.953467956670362e-32,
    -0.024154160171747208,
    -0.03275016322731972,
    0.022618966177105904,
    -0.034675247967243195,
    -0.024442069232463837,
    0.05100689455866814,
    -0.01744742877781391,
    0.007724860683083534,
    -0.03710830211639404,
    0.028418490663170815,
    -0.09388898313045502,
    0.0012812984641641378,
    0.05991348251700401,
    0.013212652876973152,
    0.039202481508255005,
    -0.08079741895198822,
    0.026279453188180923,
    0.10021881759166718,
    -0.04666714370250702,
    0.01907833106815815,
    0.02319089137017727,
    0.058928824961185455,
    0.002647019224241376,
    -0.01646713726222515,
    0.013296098448336124,
    0.04796262085437775,
    0.024180004373192787,
    -0.08847766369581223,
    0.08577049523591995,
    0.015287766233086586,
    0.023336175829172134,
    0.01712321676313877,
    -0.09792401641607285,
    -0.017182499170303345,
    0.05736701935529709,
    0.023805897682905197,
    0.01578914187848568,
    -0.031438011676073074,
    -0.01913369819521904,
    -0.004424962215125561,
    0.04824031889438629,
    -0.020429180935025215,
    -0.0912412777543068,
    -0.045613113790750504,
    -0.008795122615993023,
    -0.020780354738235474,
    0.018175272271037102,
    0.008462975732982159,
    0.09742491692304611,
    0.04563838616013527,
    -0.07709057629108429,
    0.017670106142759323,
    -0.025576405227184296,
    -0.04079781472682953,
    0.0178054291754961,
    -0.027545778080821037,
    -0.01687213033437729,
    0.038214270025491714,
    -0.0003628867561928928,
    0.010152716189622879,
    0.0218523982912302,
    0.023763416334986687,
    -0.018372515216469765,
    -0.06099860370159149,
    0.02088875137269497,
    -0.058758802711963654,
    0.021909845992922783,
    -0.08975768834352493,
    0.0019909339025616646,
    -0.08174815028905869,
    -0.04219131916761398,
    -0.0337979793548584,
    0.1219911277294159,
    0.013532119803130627,
    -0.02247440256178379,
    -0.034714363515377045,
    -0.024001482874155045,
    -0.020539095625281334,
    -0.10285374522209167,
    0.011442129500210285,
    -0.015468066558241844,
    -0.00667642243206501,
    -0.04605476185679436,
    -0.0753873735666275,
    -0.08894798159599304,
    0.05331229418516159,
    -0.013091002590954304,
    -0.06733392924070358,
    -0.02069082111120224,
    0.005927427671849728,
    -0.05234522372484207,
    -0.0043753404170274734,
    -0.01683167926967144,
    -0.03610038384795189,
    -0.04992642253637314,
    -1.8804458067868998e-32,
    0.016985846683382988,
    -0.024324381723999977,
    -0.02285466156899929,
    -0.0640413910150528,
    -0.021485455334186554,
    -0.017862696200609207,
    0.026609886437654495,
    -0.03866824880242348,
    0.11534156650304794,
    0.0329451858997345,
    0.053325995802879333,
    -0.034771598875522614,
    0.014488870278000832,
    -0.07433148473501205,
    0.021993093192577362,
    0.04454996809363365,
    0.04887376353144646,
    0.03659597411751747,
    -0.008042307570576668,
    0.006608177442103624,
    -0.03136354684829712,
    0.14887744188308716,
    -0.04377349838614464,
    0.042929988354444504,
    -0.04565234109759331,
    0.0430188924074173,
    0.039176274091005325,
    0.00536362174898386,
    0.022953012958168983,
    0.03529573976993561,
    -0.016352958977222443,
    -0.048599883913993835,
    -0.016241589561104774,
    0.09850005805492401,
    -0.07846920192241669,
    -0.05520129203796387,
    0.10896565020084381,
    0.0006800187984481454,
    0.03652976080775261,
    -0.050827812403440475,
    0.02614021487534046,
    0.016098862513899803,
    -0.02039443515241146,
    0.10275572538375854,
    0.04322307929396629,
    0.022607048973441124,
    -0.001175826066173613,
    0.003363208146765828,
    -0.007338846102356911,
    0.07896328717470169,
    0.010491386987268925,
    -0.04023348167538643,
    -0.077516108751297,
    0.014611467719078064,
    0.022685345262289047,
    0.009445789270102978,
    0.005183367524296045,
    0.013270683586597443,
    0.09700325131416321,
    -0.01830504648387432,
    0.10133068263530731,
    0.044905345886945724,
    0.05012907832860947,
    0.02084759622812271,
    0.01514776237308979,
    -0.0609273836016655,
    -0.05646520480513573,
    -0.015260671265423298,
    -0.030960848554968834,
    -0.06922348588705063,
    0.03530946373939514,
    0.017330529168248177,
    -0.024979867041110992,
    0.0112898675724864,
    0.0959228128194809,
    0.010292161256074905,
    0.0023826861288398504,
    0.02329176478087902,
    -0.021064594388008118,
    0.0412471704185009,
    -0.017973732203245163,
    0.10135021805763245,
    0.004743714351207018,
    -0.007719429209828377,
    0.001968886237591505,
    -0.06396908313035965,
    0.08563645929098129,
    0.07287170737981796,
    -0.012682206928730011,
    -0.08652736246585846,
    -0.06406858563423157,
    -0.006062320899218321,
    -0.005303677171468735,
    -0.026077745482325554,
    0.07147606462240219,
    -5.046844009370943e-8,
    -0.019264942035079002,
    -0.028405630961060524,
    -0.03988872468471527,
    -0.00982316117733717,
    0.0844571515917778,
    0.002757541136816144,
    -0.05243854597210884,
    -0.028412533923983574,
    0.027081191539764404,
    -0.01718253828585148,
    0.0804576650261879,
    -0.028987597674131393,
    -0.037571340799331665,
    -0.004004776012152433,
    -0.022408204153180122,
    -0.036062777042388916,
    -0.08652324974536896,
    0.005770656745880842,
    -0.028734328225255013,
    -0.039557941257953644,
    0.037649378180503845,
    -0.010683992877602577,
    -0.0053335619159042835,
    -0.061503902077674866,
    -0.0012496673734858632,
    -0.09252110123634338,
    -0.02620859444141388,
    0.10287260264158249,
    -0.012768753804266453,
    -0.011271330527961254,
    -0.012557413429021835,
    0.033397939056158066,
    0.005084202624857426,
    -0.09822580218315125,
    0.04344698041677475,
    0.0939372107386589,
    0.03962675482034683,
    0.06089268997311592,
    0.0521620512008667,
    -0.0005618156865239143,
    -0.03127611055970192,
    -0.05776260420680046,
    0.045909345149993896,
    -0.022448614239692688,
    -0.009837732650339603,
    -0.020658917725086212,
    -0.04042243957519531,
    0.06345035880804062,
    -0.005662104580551386,
    -0.09190813452005386,
    -0.08271060883998871,
    0.018846601247787476,
    -0.002859216183423996,
    0.0024432106874883175,
    -0.047243114560842514,
    0.0005831606686115265,
    -0.10137030482292175,
    0.06133793666958809,
    -0.014702215790748596,
    0.0515616312623024,
    0.040176331996917725,
    0.07574785500764847,
    -0.010093197226524353,
    -0.07731831073760986
  ],
  "tweet": "Researchers at IISc have mapped out a neural network of a mouse brain and showed how stress affects pain sensation. \n\nTheir research can have long-term implications for how pain-stress interactions are understood. \n\nhttps://iisc.ac.in/novel-brain-circuits-that-mediate-interactions-between-pain-and-stress/\n\n#IIScresearch"
}