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authorSonic <sonic@cobinhood.com>2018-09-19 19:07:10 +0800
committerWei-Ning Huang <w@dexon.org>2019-04-09 21:32:48 +0800
commitec3ec5ab2c3681dd7578c9e5b35184177bc06dec (patch)
treefb3fe73f14969ad20f4d47e5bb73c54cd7af6ba3 /dex
parent959f70572cd688ccc6fd3e48fec94a73847f08f3 (diff)
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dex: introduce dex64 and remove eth62, eth63
Diffstat (limited to 'dex')
-rw-r--r--dex/handler.go13
-rw-r--r--dex/metrics.go8
-rw-r--r--dex/protocol.go34
3 files changed, 37 insertions, 18 deletions
diff --git a/dex/handler.go b/dex/handler.go
index b9a354f42..21609a561 100644
--- a/dex/handler.go
+++ b/dex/handler.go
@@ -123,11 +123,6 @@ func NewProtocolManager(config *params.ChainConfig, mode downloader.SyncMode, ne
// Initiate a sub-protocol for every implemented version we can handle
manager.SubProtocols = make([]p2p.Protocol, 0, len(ProtocolVersions))
for i, version := range ProtocolVersions {
- // Skip protocol version if incompatible with the mode of operation
- if mode == downloader.FastSync && version < eth63 {
- continue
- }
- // Compatible; initialise the sub-protocol
version := version // Closure for the run
manager.SubProtocols = append(manager.SubProtocols, p2p.Protocol{
Name: ProtocolName,
@@ -526,7 +521,7 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
}
}
- case p.version >= eth63 && msg.Code == GetNodeDataMsg:
+ case msg.Code == GetNodeDataMsg:
// Decode the retrieval message
msgStream := rlp.NewStream(msg.Payload, uint64(msg.Size))
if _, err := msgStream.List(); err != nil {
@@ -553,7 +548,7 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
}
return p.SendNodeData(data)
- case p.version >= eth63 && msg.Code == NodeDataMsg:
+ case msg.Code == NodeDataMsg:
// A batch of node state data arrived to one of our previous requests
var data [][]byte
if err := msg.Decode(&data); err != nil {
@@ -564,7 +559,7 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
log.Debug("Failed to deliver node state data", "err", err)
}
- case p.version >= eth63 && msg.Code == GetReceiptsMsg:
+ case msg.Code == GetReceiptsMsg:
// Decode the retrieval message
msgStream := rlp.NewStream(msg.Payload, uint64(msg.Size))
if _, err := msgStream.List(); err != nil {
@@ -600,7 +595,7 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
}
return p.SendReceiptsRLP(receipts)
- case p.version >= eth63 && msg.Code == ReceiptsMsg:
+ case msg.Code == ReceiptsMsg:
// A batch of receipts arrived to one of our previous requests
var receipts [][]*types.Receipt
if err := msg.Decode(&receipts); err != nil {
diff --git a/dex/metrics.go b/dex/metrics.go
index 8d923ed70..0aa88fff6 100644
--- a/dex/metrics.go
+++ b/dex/metrics.go
@@ -92,9 +92,9 @@ func (rw *meteredMsgReadWriter) ReadMsg() (p2p.Msg, error) {
case msg.Code == BlockBodiesMsg:
packets, traffic = reqBodyInPacketsMeter, reqBodyInTrafficMeter
- case rw.version >= eth63 && msg.Code == NodeDataMsg:
+ case msg.Code == NodeDataMsg:
packets, traffic = reqStateInPacketsMeter, reqStateInTrafficMeter
- case rw.version >= eth63 && msg.Code == ReceiptsMsg:
+ case msg.Code == ReceiptsMsg:
packets, traffic = reqReceiptInPacketsMeter, reqReceiptInTrafficMeter
case msg.Code == NewBlockHashesMsg:
@@ -119,9 +119,9 @@ func (rw *meteredMsgReadWriter) WriteMsg(msg p2p.Msg) error {
case msg.Code == BlockBodiesMsg:
packets, traffic = reqBodyOutPacketsMeter, reqBodyOutTrafficMeter
- case rw.version >= eth63 && msg.Code == NodeDataMsg:
+ case msg.Code == NodeDataMsg:
packets, traffic = reqStateOutPacketsMeter, reqStateOutTrafficMeter
- case rw.version >= eth63 && msg.Code == ReceiptsMsg:
+ case msg.Code == ReceiptsMsg:
packets, traffic = reqReceiptOutPacketsMeter, reqReceiptOutTrafficMeter
case msg.Code == NewBlockHashesMsg:
diff --git a/dex/protocol.go b/dex/protocol.go
index de6354717..6452d854a 100644
--- a/dex/protocol.go
+++ b/dex/protocol.go
@@ -20,28 +20,30 @@ import (
"fmt"
"io"
"math/big"
+ "net"
+ "github.com/dexon-foundation/dexon/crypto/sha3"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/p2p/discover"
"github.com/ethereum/go-ethereum/rlp"
)
// Constants to match up protocol versions and messages
const (
- eth62 = 62
- eth63 = 63
+ dex64 = 64
)
// ProtocolName is the official short name of the protocol used during capability negotiation.
-var ProtocolName = "eth"
+var ProtocolName = "dex"
// ProtocolVersions are the upported versions of the eth protocol (first is primary).
-var ProtocolVersions = []uint{eth63, eth62}
+var ProtocolVersions = []uint{dex64}
// ProtocolLengths are the number of implemented message corresponding to different protocol versions.
-var ProtocolLengths = []uint64{17, 8}
+var ProtocolLengths = []uint64{18}
const ProtocolMaxMsgSize = 10 * 1024 * 1024 // Maximum cap on the size of a protocol message
@@ -62,6 +64,9 @@ const (
NodeDataMsg = 0x0e
GetReceiptsMsg = 0x0f
ReceiptsMsg = 0x10
+
+ // Protocol messages belonging to dex/64
+ NotaryNodeInfoMsg = 0x11
)
type errCode int
@@ -181,3 +186,22 @@ type blockBody struct {
// blockBodiesData is the network packet for block content distribution.
type blockBodiesData []*blockBody
+
+// TODO(sonic): revisit this msg when dexon core SDK is finalized.
+// notartyNodeInfo is the network packet for notary node ip info.
+type notaryNodeInfo struct {
+ ID discover.NodeID
+ IP net.IP
+ UDP uint16
+ TCP uint16
+ Round uint64
+ Sig []byte
+ Timestamp int64
+}
+
+func (n *notaryNodeInfo) Hash() (h common.Hash) {
+ hw := sha3.NewKeccak256()
+ rlp.Encode(hw, n)
+ hw.Sum(h[:0])
+ return h
+}