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protocol.go
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protocol.go
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// Copyright (c) 2013-2014 Conformal Systems LLC.
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package rddwire
import (
"fmt"
"strconv"
"strings"
)
const (
// ProtocolVersion is the latest protocol version this package supports.
ProtocolVersion uint32 = 80000
// MultipleAddressVersion is the protocol version which added multiple
// addresses per message (pver >= MultipleAddressVersion).
MultipleAddressVersion uint32 = 209
// NetAddressTimeVersion is the protocol version which added the
// timestamp field (pver >= NetAddressTimeVersion).
NetAddressTimeVersion uint32 = 31402
// BIP0031Version is the protocol version AFTER which a pong message
// and nonce field in ping were added (pver > BIP0031Version).
BIP0031Version uint32 = 60000
// BIP0035Version is the protocol version which added the mempool
// message (pver >= BIP0035Version).
BIP0035Version uint32 = 60002
// BIP0037Version is the protocol version which added new connection
// bloom filtering related messages and extended the version message
// with a relay flag (pver >= BIP0037Version).
BIP0037Version uint32 = 70001
// RejectVersion is the protocol version which added a new reject
// message.
RejectVersion uint32 = 70002
)
// ServiceFlag identifies services supported by a Reddcoin peer.
type ServiceFlag uint64
const (
// SFNodeNetwork is a flag used to indicate a peer is a full node.
SFNodeNetwork ServiceFlag = 1 << iota
)
// Map of service flags back to their constant names for pretty printing.
var sfStrings = map[ServiceFlag]string{
SFNodeNetwork: "SFNodeNetwork",
}
// String returns the ServiceFlag in human-readable form.
func (f ServiceFlag) String() string {
// No flags are set.
if f == 0 {
return "0x0"
}
// Add individual bit flags.
s := ""
for flag, name := range sfStrings {
if f&flag == flag {
s += name + "|"
f -= flag
}
}
// Add any remaining flags which aren't accounted for as hex.
s = strings.TrimRight(s, "|")
if f != 0 {
s += "|0x" + strconv.FormatUint(uint64(f), 16)
}
s = strings.TrimLeft(s, "|")
return s
}
// ReddcoinNet represents which Reddcoin network a message belongs to.
type ReddcoinNet uint32
// Constants used to indicate the message Reddcoin network. They can also be
// used to seek to the next message when a stream's state is unknown, but
// this package does not provide that functionality since it's generally a
// better idea to simply disconnect clients that are misbehaving over TCP.
const (
// MainNet represents the main Reddcoin network.
MainNet ReddcoinNet = 0xdbb6c0fb
// TestNet represents the regression test network.
TestNet ReddcoinNet = 0xdeb9c3fe
// TestNet3 represents the test network (version 3).
TestNet3 ReddcoinNet = 0x0709110b
// SimNet represents the simulation test network.
SimNet ReddcoinNet = 0x12141c16
)
// bnStrings is a map of Reddcoin networks back to their constant names for
// pretty printing.
var bnStrings = map[ReddcoinNet]string{
MainNet: "MainNet",
TestNet: "TestNet",
TestNet3: "TestNet3",
SimNet: "SimNet",
}
// String returns the ReddcoinNet in human-readable form.
func (n ReddcoinNet) String() string {
if s, ok := bnStrings[n]; ok {
return s
}
return fmt.Sprintf("Unknown ReddcoinNet (%d)", uint32(n))
}