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37 changes: 37 additions & 0 deletions contracts/token/ERC721/ERC721Basic.sol
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,43 @@ import "../../introspection/ERC165.sol";
* @dev see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md
*/
contract ERC721Basic is ERC165 {

bytes4 internal constant InterfaceId_ERC721 = 0x80ac58cd;
/*
* 0x80ac58cd ===
* bytes4(keccak256('balanceOf(address)')) ^
* bytes4(keccak256('ownerOf(uint256)')) ^
* bytes4(keccak256('approve(address,uint256)')) ^
* bytes4(keccak256('getApproved(uint256)')) ^
* bytes4(keccak256('setApprovalForAll(address,bool)')) ^
* bytes4(keccak256('isApprovedForAll(address,address)')) ^
* bytes4(keccak256('transferFrom(address,address,uint256)')) ^
* bytes4(keccak256('safeTransferFrom(address,address,uint256)')) ^
* bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)'))
*/

bytes4 internal constant InterfaceId_ERC721Exists = 0x4f558e79;
/*
* 0x4f558e79 ===
* bytes4(keccak256('exists(uint256)'))
*/

bytes4 internal constant InterfaceId_ERC721Enumerable = 0x780e9d63;
/**
* 0x780e9d63 ===
* bytes4(keccak256('totalSupply()')) ^
* bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) ^
* bytes4(keccak256('tokenByIndex(uint256)'))
*/

bytes4 internal constant InterfaceId_ERC721Metadata = 0x5b5e139f;
/**
* 0x5b5e139f ===
* bytes4(keccak256('name()')) ^
* bytes4(keccak256('symbol()')) ^
* bytes4(keccak256('tokenURI(uint256)'))
*/

event Transfer(
address indexed _from,
address indexed _to,
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20 changes: 0 additions & 20 deletions contracts/token/ERC721/ERC721BasicToken.sol
Original file line number Diff line number Diff line change
Expand Up @@ -13,26 +13,6 @@ import "../../introspection/SupportsInterfaceWithLookup.sol";
*/
contract ERC721BasicToken is SupportsInterfaceWithLookup, ERC721Basic {

bytes4 private constant InterfaceId_ERC721 = 0x80ac58cd;
/*
* 0x80ac58cd ===
* bytes4(keccak256('balanceOf(address)')) ^
* bytes4(keccak256('ownerOf(uint256)')) ^
* bytes4(keccak256('approve(address,uint256)')) ^
* bytes4(keccak256('getApproved(uint256)')) ^
* bytes4(keccak256('setApprovalForAll(address,bool)')) ^
* bytes4(keccak256('isApprovedForAll(address,address)')) ^
* bytes4(keccak256('transferFrom(address,address,uint256)')) ^
* bytes4(keccak256('safeTransferFrom(address,address,uint256)')) ^
* bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)'))
*/

bytes4 private constant InterfaceId_ERC721Exists = 0x4f558e79;
/*
* 0x4f558e79 ===
* bytes4(keccak256('exists(uint256)'))
*/

using SafeMath for uint256;
using AddressUtils for address;

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16 changes: 0 additions & 16 deletions contracts/token/ERC721/ERC721Token.sol
Original file line number Diff line number Diff line change
Expand Up @@ -13,22 +13,6 @@ import "../../introspection/SupportsInterfaceWithLookup.sol";
*/
contract ERC721Token is SupportsInterfaceWithLookup, ERC721BasicToken, ERC721 {

bytes4 private constant InterfaceId_ERC721Enumerable = 0x780e9d63;
/**
* 0x780e9d63 ===
* bytes4(keccak256('totalSupply()')) ^
* bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) ^
* bytes4(keccak256('tokenByIndex(uint256)'))
*/

bytes4 private constant InterfaceId_ERC721Metadata = 0x5b5e139f;
/**
* 0x5b5e139f ===
* bytes4(keccak256('name()')) ^
* bytes4(keccak256('symbol()')) ^
* bytes4(keccak256('tokenURI(uint256)'))
*/

// Token name
string internal name_;

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