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[release/1.4.11] eth, eth/downloader, eth/fetcher: delete eth/61 code

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The eth/61 protocol was disabled in #2776, this commit removes its
message handlers and hash-chain sync logic.

(cherry picked from commit 016007bd25)

Conflicts:
	eth/handler.go
	eth/handler_test.go
This commit is contained in:
Felix Lange
2016-07-21 11:36:38 +02:00
committed by Jeffrey Wilcke
parent 2c6214e846
commit 65da8f601f
15 changed files with 125 additions and 1530 deletions
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50
eth/downloader/peer.go
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@@ -37,11 +37,6 @@ const (
measurementImpact = 0.1 // The impact a single measurement has on a peer's final throughput value.
)
// Hash and block fetchers belonging to eth/61 and below
type relativeHashFetcherFn func(common.Hash) error
type absoluteHashFetcherFn func(uint64, int) error
type blockFetcherFn func([]common.Hash) error
// Block header and body fetchers belonging to eth/62 and above
type relativeHeaderFetcherFn func(common.Hash, int, int, bool) error
type absoluteHeaderFetcherFn func(uint64, int, int, bool) error
@@ -79,10 +74,6 @@ type peer struct {
lacking map[common.Hash]struct{} // Set of hashes not to request (didn't have previously)
getRelHashes relativeHashFetcherFn // [eth/61] Method to retrieve a batch of hashes from an origin hash
getAbsHashes absoluteHashFetcherFn // [eth/61] Method to retrieve a batch of hashes from an absolute position
getBlocks blockFetcherFn // [eth/61] Method to retrieve a batch of blocks
getRelHeaders relativeHeaderFetcherFn // [eth/62] Method to retrieve a batch of headers from an origin hash
getAbsHeaders absoluteHeaderFetcherFn // [eth/62] Method to retrieve a batch of headers from an absolute position
getBlockBodies blockBodyFetcherFn // [eth/62] Method to retrieve a batch of block bodies
@@ -97,7 +88,6 @@ type peer struct {
// newPeer create a new downloader peer, with specific hash and block retrieval
// mechanisms.
func newPeer(id string, version int, head common.Hash,
getRelHashes relativeHashFetcherFn, getAbsHashes absoluteHashFetcherFn, getBlocks blockFetcherFn, // eth/61 callbacks, remove when upgrading
getRelHeaders relativeHeaderFetcherFn, getAbsHeaders absoluteHeaderFetcherFn, getBlockBodies blockBodyFetcherFn,
getReceipts receiptFetcherFn, getNodeData stateFetcherFn) *peer {
return &peer{
@@ -105,10 +95,6 @@ func newPeer(id string, version int, head common.Hash,
head: head,
lacking: make(map[common.Hash]struct{}),
getRelHashes: getRelHashes,
getAbsHashes: getAbsHashes,
getBlocks: getBlocks,
getRelHeaders: getRelHeaders,
getAbsHeaders: getAbsHeaders,
getBlockBodies: getBlockBodies,
@@ -138,28 +124,6 @@ func (p *peer) Reset() {
p.lacking = make(map[common.Hash]struct{})
}
// Fetch61 sends a block retrieval request to the remote peer.
func (p *peer) Fetch61(request *fetchRequest) error {
// Sanity check the protocol version
if p.version != 61 {
panic(fmt.Sprintf("block fetch [eth/61] requested on eth/%d", p.version))
}
// Short circuit if the peer is already fetching
if !atomic.CompareAndSwapInt32(&p.blockIdle, 0, 1) {
return errAlreadyFetching
}
p.blockStarted = time.Now()
// Convert the hash set to a retrievable slice
hashes := make([]common.Hash, 0, len(request.Hashes))
for hash, _ := range request.Hashes {
hashes = append(hashes, hash)
}
go p.getBlocks(hashes)
return nil
}
// FetchHeaders sends a header retrieval request to the remote peer.
func (p *peer) FetchHeaders(from uint64, count int) error {
// Sanity check the protocol version
@@ -481,20 +445,6 @@ func (ps *peerSet) AllPeers() []*peer {
return list
}
// BlockIdlePeers retrieves a flat list of all the currently idle peers within the
// active peer set, ordered by their reputation.
func (ps *peerSet) BlockIdlePeers() ([]*peer, int) {
idle := func(p *peer) bool {
return atomic.LoadInt32(&p.blockIdle) == 0
}
throughput := func(p *peer) float64 {
p.lock.RLock()
defer p.lock.RUnlock()
return p.blockThroughput
}
return ps.idlePeers(61, 61, idle, throughput)
}
// HeaderIdlePeers retrieves a flat list of all the currently header-idle peers
// within the active peer set, ordered by their reputation.
func (ps *peerSet) HeaderIdlePeers() ([]*peer, int) {