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d2daf334a5
* [NOD-241] Implement lower resolution peer rendezvous point discovery * [NOD-241] Implement lower resolution peer rendezvous point discovery * [NOD-241] Find exact rendezvous point * [NOD-241] Find exact rendezvous point * [NOD-241] Fix tests * [NOD-241] Remove hash stop from MsgBlockLocator and add tests to MsgBlockLocator and MsgGetBlockLocator * [NOD-241] Change everywhere startHash to hashStart and change comments * [NOD-241] Fix locateBlockNodes to stop at hashStop * [NOD-241] Formatted locatorSummary. * [NOD-241] Fix node reversal * [NOD-241] Fix hash start and hash stop order, and don't include startNode in dag.blockLocator * [NOD-241] rename locateBlockNodes -> getBlueBlocksBetween and add a comment to it * [NOD-241] change hash start to start hash and hash stop to stop hash * [NOD-241] Move block locator stuff to a different file * [NOD-241] Rename msggetblocks.go to msggetblockinvs.go * [NOD-241] Format project * [NOD-241] Rename rpcserverSyncManager.LocateHeaders to GetBlueBlocksHeadersBetween * [NOD-241] Move the logic of finding the highest shared block to OnBlockLocator * [NOD-241] Rename chainHeight -> nextChainHeight * [NOD-241] Fix typo in comment
67 lines
2.0 KiB
Go
67 lines
2.0 KiB
Go
// Copyright (c) 2013-2016 The btcsuite developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package wire
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import (
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"io"
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"github.com/daglabs/btcd/util/daghash"
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)
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// MsgGetBlockInvs implements the Message interface and represents a bitcoin
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// getblockinvs message. It is used to request a list of blocks starting after the
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// start hash and until the stop hash.
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type MsgGetBlockInvs struct {
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StartHash *daghash.Hash
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StopHash *daghash.Hash
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}
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// BtcDecode decodes r using the bitcoin protocol encoding into the receiver.
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// This is part of the Message interface implementation.
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func (msg *MsgGetBlockInvs) BtcDecode(r io.Reader, pver uint32) error {
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msg.StartHash = &daghash.Hash{}
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err := ReadElement(r, msg.StartHash)
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if err != nil {
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return err
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}
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msg.StopHash = &daghash.Hash{}
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return ReadElement(r, msg.StopHash)
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}
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// BtcEncode encodes the receiver to w using the bitcoin protocol encoding.
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// This is part of the Message interface implementation.
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func (msg *MsgGetBlockInvs) BtcEncode(w io.Writer, pver uint32) error {
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err := WriteElement(w, msg.StartHash)
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if err != nil {
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return err
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}
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return WriteElement(w, msg.StopHash)
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}
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// Command returns the protocol command string for the message. This is part
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// of the Message interface implementation.
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func (msg *MsgGetBlockInvs) Command() string {
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return CmdGetBlockInvs
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}
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// MaxPayloadLength returns the maximum length the payload can be for the
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// receiver. This is part of the Message interface implementation.
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func (msg *MsgGetBlockInvs) MaxPayloadLength(pver uint32) uint32 {
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// start hash + stop hash.
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return 2 * daghash.HashSize
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}
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// NewMsgGetBlockInvs returns a new bitcoin getblockinvs message that conforms to the
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// Message interface using the passed parameters and defaults for the remaining
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// fields.
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func NewMsgGetBlockInvs(startHash, stopHash *daghash.Hash) *MsgGetBlockInvs {
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return &MsgGetBlockInvs{
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StartHash: startHash,
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StopHash: stopHash,
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}
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}
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