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authorgluk256 <gluk256@users.noreply.github.com>2016-10-29 20:11:37 +0800
committerFelix Lange <fjl@twurst.com>2016-10-29 20:11:37 +0800
commit79789af2e7fce8807d21a8eedbf42d41a7c55848 (patch)
tree7ce988e0af5ce03356bf4d1dad53cc449d48e4a8 /whisper/main.go
parent00665a0b72ed93692daec21bbd79931828653228 (diff)
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whisper: project restructured, version 5 introduced (#3022)
whisper: project restructured, version 5 introduced This commits adds a draft version of the new shh v5 protocol. The new version is not on by default, --shh still selects version 2.
Diffstat (limited to 'whisper/main.go')
-rw-r--r--whisper/main.go106
1 files changed, 0 insertions, 106 deletions
diff --git a/whisper/main.go b/whisper/main.go
deleted file mode 100644
index be4160489..000000000
--- a/whisper/main.go
+++ /dev/null
@@ -1,106 +0,0 @@
-// Copyright 2014 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library 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 Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-// +build none
-
-// Contains a simple whisper peer setup and self messaging to allow playing
-// around with the protocol and API without a fancy client implementation.
-
-package main
-
-import (
- "fmt"
- "log"
- "os"
- "time"
-
- "github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/crypto"
- "github.com/ethereum/go-ethereum/logger"
- "github.com/ethereum/go-ethereum/p2p"
- "github.com/ethereum/go-ethereum/p2p/nat"
- "github.com/ethereum/go-ethereum/whisper"
-)
-
-func main() {
- logger.AddLogSystem(logger.NewStdLogSystem(os.Stdout, log.LstdFlags, logger.InfoLevel))
-
- // Generate the peer identity
- key, err := crypto.GenerateKey()
- if err != nil {
- fmt.Printf("Failed to generate peer key: %v.\n", err)
- os.Exit(-1)
- }
- name := common.MakeName("whisper-go", "1.0")
- shh := whisper.New()
-
- // Create an Ethereum peer to communicate through
- server := p2p.Server{
- PrivateKey: key,
- MaxPeers: 10,
- Name: name,
- Protocols: []p2p.Protocol{shh.Protocol()},
- ListenAddr: ":30300",
- NAT: nat.Any(),
- }
- fmt.Println("Starting Ethereum peer...")
- if err := server.Start(); err != nil {
- fmt.Printf("Failed to start Ethereum peer: %v.\n", err)
- os.Exit(1)
- }
-
- // Send a message to self to check that something works
- payload := fmt.Sprintf("Hello world, this is %v. In case you're wondering, the time is %v", name, time.Now())
- if err := selfSend(shh, []byte(payload)); err != nil {
- fmt.Printf("Failed to self message: %v.\n", err)
- os.Exit(-1)
- }
-}
-
-// SendSelf wraps a payload into a Whisper envelope and forwards it to itself.
-func selfSend(shh *whisper.Whisper, payload []byte) error {
- ok := make(chan struct{})
-
- // Start watching for self messages, output any arrivals
- id := shh.NewIdentity()
- shh.Watch(whisper.Filter{
- To: &id.PublicKey,
- Fn: func(msg *whisper.Message) {
- fmt.Printf("Message received: %s, signed with 0x%x.\n", string(msg.Payload), msg.Signature)
- close(ok)
- },
- })
- // Wrap the payload and encrypt it
- msg := whisper.NewMessage(payload)
- envelope, err := msg.Wrap(whisper.DefaultPoW, whisper.Options{
- From: id,
- To: &id.PublicKey,
- TTL: whisper.DefaultTTL,
- })
- if err != nil {
- return fmt.Errorf("failed to seal message: %v", err)
- }
- // Dump the message into the system and wait for it to pop back out
- if err := shh.Send(envelope); err != nil {
- return fmt.Errorf("failed to send self-message: %v", err)
- }
- select {
- case <-ok:
- case <-time.After(time.Second):
- return fmt.Errorf("failed to receive message in time")
- }
- return nil
-}