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network: move inventory semantic check into common code

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As per @volekerb suggestion.
This commit is contained in:
Roman Khimov 2019-10-24 13:10:10 +03:00
parent 45cac07643
commit 9ff55ac02c
1 changed files with 5 additions and 6 deletions
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11
pkg/network/server.go
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@ -279,18 +279,12 @@ func (s *Server) handleBlockCmd(p Peer, block *core.Block) error {
// handleInvCmd processes the received inventory. // handleInvCmd processes the received inventory.
func (s *Server) handleInvCmd(p Peer, inv *payload.Inventory) error { func (s *Server) handleInvCmd(p Peer, inv *payload.Inventory) error {
if !inv.Type.Valid() || len(inv.Hashes) == 0 {
return errInvalidInvType
}
payload := payload.NewInventory(inv.Type, inv.Hashes) payload := payload.NewInventory(inv.Type, inv.Hashes)
return p.WriteMsg(NewMessage(s.Net, CMDGetData, payload)) return p.WriteMsg(NewMessage(s.Net, CMDGetData, payload))
} }
// handleInvCmd processes the received inventory. // handleInvCmd processes the received inventory.
func (s *Server) handleGetDataCmd(p Peer, inv *payload.Inventory) error { func (s *Server) handleGetDataCmd(p Peer, inv *payload.Inventory) error {
if !inv.Type.Valid() || len(inv.Hashes) == 0 {
return errInvalidInvType
}
switch inv.Type { switch inv.Type {
case payload.TXType: case payload.TXType:
for _, hash := range inv.Hashes { for _, hash := range inv.Hashes {
@ -383,6 +377,11 @@ func (s *Server) handleMessage(peer Peer, msg *Message) error {
} }
if peer.Handshaked() { if peer.Handshaked() {
if inv, ok := msg.Payload.(*payload.Inventory); ok {
if !inv.Type.Valid() || len(inv.Hashes) == 0 {
return errInvalidInvType
}
}
switch msg.CommandType() { switch msg.CommandType() {
case CMDAddr: case CMDAddr:
addrs := msg.Payload.(*payload.AddressList) addrs := msg.Payload.(*payload.AddressList)