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https://github.com/tendermint/tendermint.git
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ee9545e971
## Description Fixes a bug where the reactor would broadcast a base with height=0. ______ For contributor use: - [ ] Wrote tests - [ ] Updated CHANGELOG_PENDING.md - [ ] Linked to Github issue with discussion and accepted design OR link to spec that describes this work. - [ ] Updated relevant documentation (`docs/`) and code comments - [x] Re-reviewed `Files changed` in the Github PR explorer
118 lines
3.0 KiB
Go
118 lines
3.0 KiB
Go
package v2
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import (
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"fmt"
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"github.com/tendermint/tendermint/p2p"
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"github.com/tendermint/tendermint/state"
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"github.com/tendermint/tendermint/types"
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)
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type iIO interface {
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sendBlockRequest(peerID p2p.ID, height int64) error
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sendBlockToPeer(block *types.Block, peerID p2p.ID) error
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sendBlockNotFound(height int64, peerID p2p.ID) error
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sendStatusResponse(height int64, peerID p2p.ID) error
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broadcastStatusRequest(base int64, height int64)
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trySwitchToConsensus(state state.State, blocksSynced int)
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}
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type switchIO struct {
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sw *p2p.Switch
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}
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func newSwitchIo(sw *p2p.Switch) *switchIO {
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return &switchIO{
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sw: sw,
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}
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}
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const (
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// BlockchainChannel is a channel for blocks and status updates (`BlockStore` height)
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BlockchainChannel = byte(0x40)
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)
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type consensusReactor interface {
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// for when we switch from blockchain reactor and fast sync to
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// the consensus machine
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SwitchToConsensus(state.State, int)
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}
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func (sio *switchIO) sendBlockRequest(peerID p2p.ID, height int64) error {
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peer := sio.sw.Peers().Get(peerID)
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if peer == nil {
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return fmt.Errorf("peer not found")
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}
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msgBytes := cdc.MustMarshalBinaryBare(&bcBlockRequestMessage{Height: height})
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queued := peer.TrySend(BlockchainChannel, msgBytes)
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if !queued {
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return fmt.Errorf("send queue full")
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}
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return nil
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}
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func (sio *switchIO) sendStatusResponse(height int64, peerID p2p.ID) error {
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peer := sio.sw.Peers().Get(peerID)
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if peer == nil {
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return fmt.Errorf("peer not found")
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}
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msgBytes := cdc.MustMarshalBinaryBare(&bcStatusResponseMessage{Height: height})
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if queued := peer.TrySend(BlockchainChannel, msgBytes); !queued {
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return fmt.Errorf("peer queue full")
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}
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return nil
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}
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func (sio *switchIO) sendBlockToPeer(block *types.Block, peerID p2p.ID) error {
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peer := sio.sw.Peers().Get(peerID)
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if peer == nil {
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return fmt.Errorf("peer not found")
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}
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if block == nil {
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panic("trying to send nil block")
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}
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msgBytes := cdc.MustMarshalBinaryBare(&bcBlockResponseMessage{Block: block})
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if queued := peer.TrySend(BlockchainChannel, msgBytes); !queued {
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return fmt.Errorf("peer queue full")
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}
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return nil
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}
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func (sio *switchIO) sendBlockNotFound(height int64, peerID p2p.ID) error {
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peer := sio.sw.Peers().Get(peerID)
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if peer == nil {
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return fmt.Errorf("peer not found")
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}
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msgBytes := cdc.MustMarshalBinaryBare(&bcNoBlockResponseMessage{Height: height})
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if queued := peer.TrySend(BlockchainChannel, msgBytes); !queued {
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return fmt.Errorf("peer queue full")
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}
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return nil
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}
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func (sio *switchIO) trySwitchToConsensus(state state.State, blocksSynced int) {
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conR, ok := sio.sw.Reactor("CONSENSUS").(consensusReactor)
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if ok {
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conR.SwitchToConsensus(state, blocksSynced)
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}
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}
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func (sio *switchIO) broadcastStatusRequest(base int64, height int64) {
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if height == 0 && base > 0 {
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base = 0
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}
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msgBytes := cdc.MustMarshalBinaryBare(&bcStatusRequestMessage{
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Base: base,
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Height: height,
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})
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// XXX: maybe we should use an io specific peer list here
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sio.sw.Broadcast(BlockchainChannel, msgBytes)
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}
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