false
false
0

Contract Address Details

0xAcB2F7105ad6dF25fecEA32B99EF4785B60e0D71

Contract Name
Migration
Creator
0xc7d98c–7f3521 at 0x2b3e77–954187
Balance
0 CLO
Tokens
Fetching tokens...
Transactions
1 Transactions
Transfers
0 Transfers
Gas Used
12,808,153
Last Balance Update
16288467
Warning! Contract bytecode has been changed and doesn't match the verified one. Therefore, interaction with this smart contract may be risky.
Contract name:
Migration




Optimization enabled
false
Compiler version
v0.8.19+commit.7dd6d404




EVM Version
default




Verified at
2024-09-26T15:32:59.788127Z

Contract source code

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;

interface INFT {
    function ownerOf(uint256 id) external view returns(address);
    function  getClassForTokenID(uint256 id) external view returns(uint256);
}
contract Migration {
    struct NFT {
        address owner;
        uint256 class;
    }

    INFT constant public nft = INFT(0x9C02E4aEb4a29084553b5Fdc3B5f6DF72F11E104);

    mapping(address user => uint256[] tokens) public users;

    function snapshot() external view returns(NFT[253] memory nfts)
    {
        for (uint i; i<253; i++) {
            nfts[i].owner = nft.ownerOf(i);
            nfts[i].class = nft.getClassForTokenID(i);
        }
    }

    uint256 public start;
    function record(uint len) external {
        len = start + len;
        uint i = start;
        if (len > 253) len = 253;
        for (; i<len; i++) {
            address owner = nft.ownerOf(i);
            uint256 class = nft.getClassForTokenID(i);
            users[owner].push(class);
        }
        start = i;
    }

    function getCalsses(address user) external view returns(uint256[] memory classes) {
        return users[user];
    }
}

Contract ABI

[{"type":"function","stateMutability":"view","outputs":[{"type":"uint256[]","name":"classes","internalType":"uint256[]"}],"name":"getCalsses","inputs":[{"type":"address","name":"user","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"contract INFT"}],"name":"nft","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"record","inputs":[{"type":"uint256","name":"len","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"tuple[253]","name":"nfts","internalType":"struct Migration.NFT[253]","components":[{"type":"address","name":"owner","internalType":"address"},{"type":"uint256","name":"class","internalType":"uint256"}]}],"name":"snapshot","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"start","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"tokens","internalType":"uint256"}],"name":"users","inputs":[{"type":"address","name":"user","internalType":"address"},{"type":"uint256","name":"","internalType":"uint256"}]}]

Contract Creation Code

Verify & Publish 
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Deployed ByteCode

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