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ServiceRegistry.sol
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ServiceRegistry.sol
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pragma solidity ^0.4.17;
import "./ManagerProxyTarget.sol";
/**
* @title ServiceRegistry
* @dev Maintains a registry of service metadata associated with service provider addresses (transcoders/orchestrators)
*/
contract ServiceRegistry is ManagerProxyTarget {
// Store service metadata
struct Record {
string serviceURI; // Service URI endpoint that can be used to send off-chain requests
}
// Track records for addresses
mapping (address => Record) private records;
// Event fired when a caller updates its service URI endpoint
event ServiceURIUpdate(address indexed addr, string serviceURI);
/**
* @dev ServiceRegistry constructor. Only invokes constructor of base Manager contract with provided Controller address
* @param _controller Address of a Controller that this contract will be registered with
*/
function ServiceRegistry(address _controller) public Manager(_controller) {}
/**
* @dev Stores service URI endpoint for the caller that can be used to send requests to the caller off-chain
* @param _serviceURI Service URI endpoint for the caller
*/
function setServiceURI(string _serviceURI) external {
records[msg.sender].serviceURI = _serviceURI;
ServiceURIUpdate(msg.sender, _serviceURI);
}
/**
* @dev Returns service URI endpoint stored for a given address
* @param _addr Address for which a service URI endpoint is desired
*/
function getServiceURI(address _addr) public view returns (string) {
return records[_addr].serviceURI;
}
}