43 lines
1.2 KiB
Solidity
43 lines
1.2 KiB
Solidity
// SPDX-License-Identifier: CC0-1.0
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pragma solidity ^0.8.0;
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/**
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* Contract that exposes the needed erc20 token functions
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*/
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abstract contract IERC721 {
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event Transfer(
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address indexed from,
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address indexed to,
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uint256 indexed tokenaId
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);
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event Approval(
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address indexed owner,
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address indexed approved,
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uint256 indexed tokenId
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);
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event ApprovalForAll(
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address indexed owner,
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address indexed operator,
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bool approved
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);
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function balanceOf(address owner) public virtual view returns (uint256 balance);
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function ownerOf(uint256 tokenId) public virtual view returns (address owner);
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function approve(address to, uint256 tokenId) public virtual;
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function getApproved(uint256 tokenId)
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public virtual view returns (address operator);
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function setApprovalForAll(address operator, bool _approved) public virtual;
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function isApprovedForAll(address owner, address operator)
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public virtual view returns (bool);
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function transferFrom(address from, address to, uint256 tokenId) public virtual;
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function safeTransferFrom(address from, address to, uint256 tokenId) public virtual;
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} |