Ethereum
eth_subscribe (syncing)10 额度
Opens a WebSocket subscription; the node then pushes eth_subscription notifications for it.
参数
| 名称 | 类型 | 描述 |
|---|---|---|
| kind | string | Subscription kind: newHeads (new block headers), logs (matching logs), newPendingTransactions (pending transaction hashes) or syncing (sync status changes). |
| filter | Object | Only for logs: { address, topics }. address is one address or an array of addresses, topics is an array of topics to match. (可选) |
返回值
类型
string
Subscription id, e.g. 0x9ce59a13059e417087c02d3236a0b1cc. Notifications for this subscription carry the same id in params.subscription.
代码示例
wscat -c wss://holy-burned-sky-ethereum-mainnet.rpcnode.dev/7c9e6679-7425-40de-944b-e07fc1f90ae7
> {"jsonrpc":"2.0","id":1,"method":"eth_subscribe","params":["newHeads"]}