Created
November 14, 2025 09:52
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get enode url from nodekeyhex
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| package main | |
| import ( | |
| "crypto/ecdsa" | |
| "fmt" | |
| "github.com/ethereum/go-ethereum/crypto" | |
| "github.com/ethereum/go-ethereum/p2p/enode" | |
| ) | |
| func main() { | |
| // 你的 nodekeyhex（私钥） | |
| nodekeyHex := "e95afe4502d7b84b03856047e8190a5ba4db55dd16e40945163e5cd9ed620227" | |
| // 1. 加载私钥 | |
| privateKey, err := crypto.HexToECDSA(nodekeyHex) | |
| if err != nil { | |
| panic(err) | |
| } | |
| // 2. 获取公钥 | |
| publicKey := privateKey.Public().(*ecdsa.PublicKey) | |
| nodeID := enode.PubkeyToIDV4(publicKey) | |
| // 3. 获取公钥字节（用于 enode URL） | |
| // enode URL 使用公钥字节（去掉 0x04 前缀），而不是 node ID 哈希 | |
| pubkeyBytes := crypto.FromECDSAPub(publicKey)[1:] // 去掉 0x04 前缀 | |
| // 4. 构建 enode URL | |
| host := "op-geth-seq3" | |
| port := 30303 | |
| enodeURL := fmt.Sprintf("enode://%x@%s:%d", pubkeyBytes, host, port) | |
| fmt.Println("Node ID:", nodeID.String()) | |
| fmt.Println("Enode URL:", enodeURL) | |
| } |
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