> ## Documentation Index
> Fetch the complete documentation index at: https://docs.orbitflare.com/llms.txt
> Use this file to discover all available pages before exploring further.

# getSlotLeaders

> 返回给定范围的 slot 领导者

## 参数

<ResponseField name="startSlot" type="number" required>
  起始 slot 编号
</ResponseField>

<ResponseField name="limit" type="number" required>
  要返回的 slot 领导者数量
</ResponseField>

## 响应

<ResponseField name="result" type="array">
  slot 领导者公钥数组（base-58 编码）
</ResponseField>

## 代码示例

### 基本请求

```bash theme={null}
curl https://fra.rpc.orbitflare.com?api_key=YOUR-API-KEY -X POST -H "Content-Type: application/json" -d '{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getSlotLeaders",
  "params": [
    1000000,
    10
  ]
}'
```

### 使用 web3.js

```typescript theme={null}
import { Connection } from '@solana/web3.js';

const connection = new Connection('https://fra.rpc.orbitflare.com?api_key=YOUR-API-KEY');

// Get slot leaders
const slotLeaders = await connection.getSlotLeaders(1000000, 10);
console.log('Slot leaders:', slotLeaders);

// Get slot leaders with analysis
async function getSlotLeadersWithAnalysis(
  startSlot: number,
  limit: number
) {
  const slotLeaders = await connection.getSlotLeaders(startSlot, limit);
  
  return {
    slotLeaders,
    analysis: {
      uniqueLeaders: new Set(slotLeaders).size,
      leaderDistribution: slotLeaders.reduce((acc, leader) => {
        acc[leader] = (acc[leader] || 0) + 1;
        return acc;
      }, {} as Record<string, number>),
      metadata: {
        startSlot,
        endSlot: startSlot + limit - 1,
        timestamp: Date.now()
      }
    }
  };
}
```

## 注意事项

1. 返回给定 slot 范围的 slot 领导者
2. slot 领导者负责生产区块
3. 响应是即时的，因为它从当前状态读取
4. slot 领导者由网络的领导者计划确定
5. 范围必须在当前 epoch 内

## 最佳实践

1. 根据需求使用适当的起始 slot 和限制数量
2. 在适当时缓存结果以减少 RPC 负载
3. 监控领导者计划的变化
4. 考虑使用 WebSocket 订阅获取实时更新
5. 适当处理网络错误并重试

## 常见错误

| 错误码    | 消息                                  | 解决方案                    |
| ------ | ----------------------------------- | ----------------------- |
| -32601 | Method not found                    | 验证是否连接到 Solana RPC 节点   |
| -32602 | Invalid params                      | 检查 startSlot 和 limit 参数 |
| -32007 | Slot leader information unavailable | 节点可能正在启动或同步中            |

## 用例

1. **领导者计划分析**
   ```typescript theme={null}
   interface LeaderScheduleAnalysis {
     schedule: Array<{
       slot: number;
       leader: string;
     }>;
     distribution: Record<string, number>;
     metadata: {
       startSlot: number;
       endSlot: number;
       uniqueLeaders: number;
     };
   }

   async function analyzeLeaderSchedule(
     startSlot: number,
     limit: number
   ): Promise<LeaderScheduleAnalysis> {
     const slotLeaders = await connection.getSlotLeaders(startSlot, limit);
     
     const schedule = slotLeaders.map((leader, index) => ({
       slot: startSlot + index,
       leader
     }));
     
     const distribution = slotLeaders.reduce((acc, leader) => {
       acc[leader] = (acc[leader] || 0) + 1;
       return acc;
     }, {} as Record<string, number>);
     
     return {
       schedule,
       distribution,
       metadata: {
         startSlot,
         endSlot: startSlot + limit - 1,
         uniqueLeaders: Object.keys(distribution).length
       }
     };
   }
   ```

2. **领导者计划监控**
   ```typescript theme={null}
   interface LeaderScheduleChange {
     slot: number;
     previousLeader: string;
     currentLeader: string;
     metadata: {
       timestamp: number;
     };
   }

   class LeaderScheduleMonitor {
     private previousSchedule: Map<number, string> = new Map();
     
     async monitorLeaderSchedule(
       startSlot: number,
       limit: number,
       interval: number = 60000
     ): Promise<LeaderScheduleChange[]> {
       const slotLeaders = await connection.getSlotLeaders(startSlot, limit);
       const changes: LeaderScheduleChange[] = [];
       
       slotLeaders.forEach((leader, index) => {
         const slot = startSlot + index;
         const previousLeader = this.previousSchedule.get(slot);
         
         if (previousLeader && previousLeader !== leader) {
           changes.push({
             slot,
             previousLeader,
             currentLeader: leader,
             metadata: {
               timestamp: Date.now()
             }
           });
         }
         
         this.previousSchedule.set(slot, leader);
       });
       
       return changes;
     }
   }
   ```

3. **领导者计划规划**
   ```typescript theme={null}
   interface LeaderSchedulePlan {
     currentSlot: number;
     upcomingLeaders: Array<{
       slot: number;
       leader: string;
       estimatedTime: number;
     }>;
     metadata: {
       timestamp: number;
       slotsPerSecond: number;
     };
   }

   class LeaderSchedulePlanner {
     private readonly slotsPerSecond = 2; // Solana's target slot rate
     
     async planLeaderSchedule(
       startSlot: number,
       limit: number
     ): Promise<LeaderSchedulePlan> {
       const [slotLeaders, currentSlot] = await Promise.all([
         connection.getSlotLeaders(startSlot, limit),
         connection.getSlot()
       ]);
       
       const upcomingLeaders = slotLeaders.map((leader, index) => {
         const slot = startSlot + index;
         const slotsAhead = slot - currentSlot;
         const estimatedTime = slotsAhead / this.slotsPerSecond;
         
         return {
           slot,
           leader,
           estimatedTime
         };
       });
       
       return {
         currentSlot,
         upcomingLeaders,
         metadata: {
           timestamp: Date.now(),
           slotsPerSecond: this.slotsPerSecond
         }
       };
     }
   }
   ```