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network: fix requestTx() behaviour for consensus service

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It wasn't actually requesting transactions but rather sending an inventory
message telling everyone that we have them which is completely wrong and
easily leads to ChangeView that could be avoided.
This commit is contained in:
Roman Khimov 2020-01-15 13:19:31 +03:00
parent 0420d48e56
commit 7d4d57351e
1 changed files with 8 additions and 7 deletions
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15
pkg/network/server.go
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@ -664,7 +664,7 @@ func (s *Server) handleMessage(peer Peer, msg *Message) error {
}
func (s *Server) handleNewPayload(p *consensus.Payload) {
s.relayInventory(payload.ConsensusType, p.Hash())
s.relayInventoryCmd(CMDInv, payload.ConsensusType, p.Hash())
}
func (s *Server) requestTx(hashes ...util.Uint256) {
@ -672,24 +672,25 @@ func (s *Server) requestTx(hashes ...util.Uint256) {
return
}
s.relayInventory(payload.TXType, hashes...)
s.relayInventoryCmd(CMDGetData, payload.TXType, hashes...)
}
func (s *Server) relayInventory(t payload.InventoryType, hashes ...util.Uint256) {
func (s *Server) relayInventoryCmd(cmd CommandType, t payload.InventoryType, hashes ...util.Uint256) {
payload := payload.NewInventory(t, hashes)
msg := NewMessage(s.Net, CMDInv, payload)
msg := NewMessage(s.Net, cmd, payload)
for peer := range s.Peers() {
if !peer.Handshaked() || !peer.Version().Relay {
continue
}
peer.WriteMsg(msg)
// Who cares about these messages anyway?
_ = peer.WriteMsg(msg)
}
}
// relayBlock tells all the other connected nodes about the given block.
func (s *Server) relayBlock(b *core.Block) {
s.relayInventory(payload.BlockType, b.Hash())
s.relayInventoryCmd(CMDInv, payload.BlockType, b.Hash())
}
// RelayTxn a new transaction to the local node and the connected peers.
@ -711,7 +712,7 @@ func (s *Server) RelayTxn(t *transaction.Transaction) RelayReason {
return RelayOutOfMemory
}
s.relayInventory(payload.TXType, t.Hash())
s.relayInventoryCmd(CMDInv, payload.TXType, t.Hash())
return RelaySucceed
}