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cmd: Add a simple cli util to generate peer private key and print out…
… peer ID
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| // Copyright (C) 2019-2024 Algorand, Inc. | ||
| // This file is part of go-algorand | ||
| // | ||
| // go-algorand is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU Affero General Public License as | ||
| // published by the Free Software Foundation, either version 3 of the | ||
| // License, or (at your option) any later version. | ||
| // | ||
| // go-algorand is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU Affero General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU Affero General Public License | ||
| // along with go-algorand. If not, see <https://www.gnu.org/licenses/>. | ||
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| // generate a new p2p private key and print out peerID to stdout | ||
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| package main | ||
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| import ( | ||
| "flag" | ||
| "fmt" | ||
| "os" | ||
| "path" | ||
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| "github.com/algorand/go-algorand/config" | ||
| "github.com/algorand/go-algorand/network/p2p" | ||
| "github.com/algorand/go-algorand/util" | ||
| "github.com/libp2p/go-libp2p/core/peer" | ||
| ) | ||
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| var dataDirectory = flag.String("d", "", "Root Algorand daemon data path or a path to a directory where the private key will be stored. If not provided, the current directory will be used.") | ||
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| func main() { | ||
| flag.Parse() | ||
| dataDir := *dataDirectory | ||
| if dataDir == "" { | ||
| dataDir = "." | ||
| } | ||
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| exist := false | ||
| privKeyPath := path.Join(dataDir, p2p.DefaultPrivKeyPath) | ||
| if util.FileExists(privKeyPath) { | ||
| exist = true | ||
| } | ||
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| peerKey, err := p2p.GetPrivKey(config.Local{P2PPersistPeerID: true}, dataDir) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "Error obtaining private key: %v\n", err) | ||
| os.Exit(1) | ||
| } | ||
| peerID, err := peer.IDFromPublicKey(peerKey.GetPublic()) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "Error obtaining peerID from a key: %v\n", err) | ||
| os.Exit(1) | ||
| } | ||
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| fmt.Printf("PeerID: %s\n", peerID.String()) | ||
| if !exist { | ||
| fmt.Printf("Private key saved to %s\n", privKeyPath) | ||
| } else { | ||
| fmt.Printf("Used existing key from path %s\n", privKeyPath) | ||
| } | ||
| } |