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Limit hashes. Closes #249

This commit is contained in:
obscuren 2015-01-09 16:44:09 +01:00
parent b136b387a7
commit 35f4bb96f3
1 changed files with 7 additions and 0 deletions
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7
eth/protocol.go
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@ -67,6 +67,8 @@ type newBlockMsgData struct {
TD *big.Int
}
const maxHashes = 255
type getBlockHashesMsgData struct {
Hash []byte
Amount uint64
@ -139,6 +141,11 @@ func (self *ethProtocol) handle() error {
if err := msg.Decode(&request); err != nil {
return self.protoError(ErrDecode, "->msg %v: %v", msg, err)
}
//request.Amount = uint64(math.Min(float64(maxHashes), float64(request.Amount)))
if request.Amount > maxHashes {
request.Amount = maxHashes
}
hashes := self.chainManager.GetBlockHashesFromHash(request.Hash, request.Amount)
return p2p.EncodeMsg(self.rw, BlockHashesMsg, ethutil.ByteSliceToInterface(hashes)...)