Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta

More Options

• Similar
• Submit Audit
• Compare

/**
 *Submitted for verification at KatanaScan.com on 2025-08-04
*/

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

contract KatanaDog {
    string public name = "KatanaDog";
    string public symbol = "DOG";
    uint8 public decimals = 18;
    uint256 public totalSupply;

    mapping(address => uint256) public balanceOf;
    mapping(address => mapping(address => uint256)) public allowance;

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);

    constructor() {
        totalSupply = 1_000_000_000 * 10 ** uint256(decimals); // 1B tokens
        balanceOf[msg.sender] = totalSupply;
        emit Transfer(address(0), msg.sender, totalSupply);
    }

    function transfer(address to, uint256 value) public returns (bool) {
        require(balanceOf[msg.sender] >= value, "Insufficient balance");
        balanceOf[msg.sender] -= value;
        balanceOf[to] += value;
        emit Transfer(msg.sender, to, value);
        return true;
    }

    function approve(address spender, uint256 value) public returns (bool) {
        allowance[msg.sender][spender] = value;
        emit Approval(msg.sender, spender, value);
        return true;
    }

    function transferFrom(address from, address to, uint256 value) public returns (bool) {
        require(balanceOf[from] >= value, "Insufficient balance");
        require(allowance[from][msg.sender] >= value, "Allowance exceeded");
        balanceOf[from] -= value;
        balanceOf[to] += value;
        allowance[from][msg.sender] -= value;
        emit Transfer(from, to, value);
        return true;
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]

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

60:1600:0:-:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;86:32;;;:::i;:::-;;;;;;;:::i;:::-;;;;;;;;1030:202;;;;;;:::i;:::-;;:::i;:::-;;;;;;;:::i;193:26::-;;;:::i;:::-;;;;;;;:::i;1240:417::-;;;;;;:::i;:::-;;:::i;160:26::-;;;:::i;:::-;;;;;;;:::i;228:44::-;;;;;;:::i;:::-;;:::i;125:28::-;;;:::i;730:292::-;;;;;;:::i;:::-;;:::i;279:64::-;;;;;;:::i;:::-;;:::i;86:32::-;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::o;1030:202::-;1122:10;1095:4;1112:21;;;:9;:21;;;;;;;;-1:-1:-1;;;;;1112:30:0;;;;;;;;;;:38;;;1166:36;1095:4;;1112:30;;1166:36;;;;1145:5;;1166:36;:::i;:::-;;;;;;;;-1:-1:-1;1220:4:0;1030:202;;;;:::o;193:26::-;;;;:::o;1240:417::-;-1:-1:-1;;;;;1344:15:0;;1319:4;1344:15;;;:9;:15;;;;;;:24;-1:-1:-1;1344:24:0;1336:57;;;;-1:-1:-1;;;1336:57:0;;;;;;;:::i;:::-;;;;;;;;;-1:-1:-1;;;;;1412:15:0;;;;;;:9;:15;;;;;;;;1428:10;1412:27;;;;;;;;:36;-1:-1:-1;1412:36:0;1404:67;;;;-1:-1:-1;;;1404:67:0;;;;;;;:::i;:::-;-1:-1:-1;;;;;1482:15:0;;;;;;:9;:15;;;;;:24;;1501:5;;1482:15;:24;;1501:5;;1482:24;:::i;:::-;;;;-1:-1:-1;;;;;;;1517:13:0;;;;;;:9;:13;;;;;:22;;1534:5;;1517:13;:22;;1534:5;;1517:22;:::i;:::-;;;;-1:-1:-1;;;;;;;1550:15:0;;;;;;:9;:15;;;;;;;;1566:10;1550:27;;;;;;;:36;;1581:5;;1550:15;:36;;1581:5;;1550:36;:::i;:::-;;;;;;;;1617:2;-1:-1:-1;;;;;1602:25:0;1611:4;-1:-1:-1;;;;;1602:25:0;;1621:5;1602:25;;;;;;:::i;:::-;;;;;;;;-1:-1:-1;1645:4:0;1240:417;;;;;:::o;160:26::-;;;;;;:::o;228:44::-;;;;;;;;;;;;;:::o;125:28::-;;;;;;;:::i;730:292::-;826:10;791:4;816:21;;;:9;:21;;;;;;:30;-1:-1:-1;816:30:0;808:63;;;;-1:-1:-1;;;808:63:0;;;;;;;:::i;:::-;892:10;882:21;;;;:9;:21;;;;;:30;;907:5;;882:21;:30;;907:5;;882:30;:::i;:::-;;;;-1:-1:-1;;;;;;;923:13:0;;;;;;:9;:13;;;;;:22;;940:5;;923:13;:22;;940:5;;923:22;:::i;:::-;;;;-1:-1:-1;;961:31:0;;-1:-1:-1;;;;;961:31:0;;;970:10;;961:31;;;;986:5;;961:31;:::i;279:64::-;;;;;;;;;;;;;;;;;;;;;;;;:::o;14:175:1:-;84:20;;-1:-1:-1;;;;;133:31:1;;123:42;;113:2;;179:1;176;169:12;113:2;65:124;;;:::o;194:198::-;;306:2;294:9;285:7;281:23;277:32;274:2;;;327:6;319;312:22;274:2;355:31;376:9;355:31;:::i;:::-;345:41;264:128;-1:-1:-1;;;264:128:1:o;397:274::-;;;526:2;514:9;505:7;501:23;497:32;494:2;;;547:6;539;532:22;494:2;575:31;596:9;575:31;:::i;:::-;565:41;;625:40;661:2;650:9;646:18;625:40;:::i;:::-;615:50;;484:187;;;;;:::o;676:342::-;;;;822:2;810:9;801:7;797:23;793:32;790:2;;;843:6;835;828:22;790:2;871:31;892:9;871:31;:::i;:::-;861:41;;921:40;957:2;946:9;942:18;921:40;:::i;:::-;911:50;;1008:2;997:9;993:18;980:32;970:42;;780:238;;;;;:::o;1023:266::-;;;1152:2;1140:9;1131:7;1127:23;1123:32;1120:2;;;1173:6;1165;1158:22;1120:2;1201:31;1222:9;1201:31;:::i;:::-;1191:41;1279:2;1264:18;;;;1251:32;;-1:-1:-1;;;1110:179:1:o;1294:187::-;1459:14;;1452:22;1434:41;;1422:2;1407:18;;1389:92::o;1486:603::-;;1627:2;1656;1645:9;1638:21;1688:6;1682:13;1731:6;1726:2;1715:9;1711:18;1704:34;1756:4;1769:140;1783:6;1780:1;1777:13;1769:140;;;1878:14;;;1874:23;;1868:30;1844:17;;;1863:2;1840:26;1833:66;1798:10;;1769:140;;;1927:6;1924:1;1921:13;1918:2;;;1997:4;1992:2;1983:6;1972:9;1968:22;1964:31;1957:45;1918:2;-1:-1:-1;2073:2:1;2052:15;-1:-1:-1;;2048:29:1;2033:45;;;;2080:2;2029:54;;1607:482;-1:-1:-1;;;1607:482:1:o;2094:342::-;2296:2;2278:21;;;2335:2;2315:18;;;2308:30;-1:-1:-1;;;2369:2:1;2354:18;;2347:48;2427:2;2412:18;;2268:168::o;2441:344::-;2643:2;2625:21;;;2682:2;2662:18;;;2655:30;-1:-1:-1;;;2716:2:1;2701:18;;2694:50;2776:2;2761:18;;2615:170::o;2790:177::-;2936:25;;;2924:2;2909:18;;2891:76::o;2972:184::-;3144:4;3132:17;;;;3114:36;;3102:2;3087:18;;3069:87::o;3161:128::-;;3232:1;3228:6;3225:1;3222:13;3219:2;;;3238:18;;:::i;:::-;-1:-1:-1;3274:9:1;;3209:80::o;3294:125::-;;3362:1;3359;3356:8;3353:2;;;3367:18;;:::i;:::-;-1:-1:-1;3404:9:1;;3343:76::o;3424:380::-;3509:1;3499:12;;3556:1;3546:12;;;3567:2;;3621:4;3613:6;3609:17;3599:27;;3567:2;3674;3666:6;3663:14;3643:18;3640:38;3637:2;;;3720:10;3715:3;3711:20;3708:1;3701:31;3755:4;3752:1;3745:15;3783:4;3780:1;3773:15;3637:2;;3479:325;;;:::o;3809:127::-;3870:10;3865:3;3861:20;3858:1;3851:31;3901:4;3898:1;3891:15;3925:4;3922:1;3915:15

ipfs://e4d9345f5468b5fe314893ee4d8c02459459e7179ca6e155342ae3907bac5fcd