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AssetRegistryStorage.sol
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AssetRegistryStorage.sol
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pragma solidity ^0.4.18;
contract AssetRegistryStorage {
string internal _name;
string internal _symbol;
string internal _description;
/**
* Stores the total count of assets managed by this registry
*/
uint256 internal _count;
/**
* Stores an array of assets owned by a given account
*/
mapping(address => uint256[]) internal _assetsOf;
/**
* Stores the current holder of an asset
*/
mapping(uint256 => address) internal _holderOf;
/**
* Stores the index of an asset in the `_assetsOf` array of its holder
*/
mapping(uint256 => uint256) internal _indexOfAsset;
/**
* Stores the data associated with an asset
*/
mapping(uint256 => string) internal _assetData;
/**
* For a given account, for a given operator, store whether that operator is
* allowed to transfer and modify assets on behalf of them.
*/
mapping(address => mapping(address => bool)) internal _operators;
/**
* Approval array
*/
mapping(uint256 => address) internal _approval;
}