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| 1 | +// SPDX-License-Identifier: MIT |
| 2 | +pragma solidity 0.8.24; |
| 3 | + |
| 4 | +contract AgentRegistry { |
| 5 | + struct Agent { |
| 6 | + uint256 id; |
| 7 | + address owner; |
| 8 | + address operator; |
| 9 | + string metadataURI; |
| 10 | + uint256 registeredAt; |
| 11 | + bool active; |
| 12 | + } |
| 13 | + |
| 14 | + uint256 public nextAgentId = 1; |
| 15 | + mapping(uint256 => Agent) public agents; |
| 16 | + mapping(address => uint256) public operatorToAgentId; |
| 17 | + |
| 18 | + event AgentRegistered(uint256 indexed agentId, address indexed owner, address indexed operator); |
| 19 | + event AgentDeactivated(uint256 indexed agentId); |
| 20 | + |
| 21 | + function registerAgent(address operator, string calldata metadataURI) external returns (uint256 agentId) { |
| 22 | + require(operatorToAgentId[operator] == 0, "Operator already registered"); |
| 23 | + |
| 24 | + agentId = nextAgentId++; |
| 25 | + agents[agentId] = Agent({ |
| 26 | + id: agentId, |
| 27 | + owner: msg.sender, |
| 28 | + operator: operator, |
| 29 | + metadataURI: metadataURI, |
| 30 | + registeredAt: block.timestamp, |
| 31 | + active: true |
| 32 | + }); |
| 33 | + operatorToAgentId[operator] = agentId; |
| 34 | + |
| 35 | + emit AgentRegistered(agentId, msg.sender, operator); |
| 36 | + } |
| 37 | + |
| 38 | + function deactivateAgent(uint256 agentId) external { |
| 39 | + Agent storage agent = agents[agentId]; |
| 40 | + require(agent.id != 0, "Agent does not exist"); |
| 41 | + require(msg.sender == agent.owner, "Not agent owner"); |
| 42 | + require(agent.active, "Already deactivated"); |
| 43 | + |
| 44 | + agent.active = false; |
| 45 | + emit AgentDeactivated(agentId); |
| 46 | + } |
| 47 | + |
| 48 | + function getAgent(uint256 agentId) external view returns (Agent memory) { |
| 49 | + require(agents[agentId].id != 0, "Agent does not exist"); |
| 50 | + return agents[agentId]; |
| 51 | + } |
| 52 | + |
| 53 | + function getAgentByOperator(address operator) external view returns (Agent memory) { |
| 54 | + uint256 agentId = operatorToAgentId[operator]; |
| 55 | + require(agentId != 0, "No agent for operator"); |
| 56 | + return agents[agentId]; |
| 57 | + } |
| 58 | +} |
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