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les, light: LES/2 protocol version (#14970)

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This PR implements the new LES protocol version extensions:

* new and more efficient Merkle proofs reply format (when replying to
  a multiple Merkle proofs request, we just send a single set of trie
  nodes containing all necessary nodes)
* BBT (BloomBitsTrie) works similarly to the existing CHT and contains
  the bloombits search data to speed up log searches
* GetTxStatusMsg returns the inclusion position or the
  pending/queued/unknown state of a transaction referenced by hash
* an optional signature of new block data (number/hash/td) can be
  included in AnnounceMsg to provide an option for "very light
  clients" (mobile/embedded devices) to skip expensive Ethash check
  and accept multiple signatures of somewhat trusted servers (still a
  lot better than trusting a single server completely and retrieving
  everything through RPC). The new client mode is not implemented in
  this PR, just the protocol extension.
This commit is contained in:
Felföldi Zsolt
2017-10-24 15:19:09 +02:00
committed by Felix Lange
parent 6d6a5a9337
commit ca376ead88
34 changed files with 2056 additions and 488 deletions
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4
core/chain_indexer_test.go
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@ -23,6 +23,7 @@ import (
"testing"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
)
@ -208,9 +209,10 @@ func (b *testChainIndexBackend) reorg(headNum uint64) uint64 {
return b.stored * b.indexer.sectionSize
}
func (b *testChainIndexBackend) Reset(section uint64) {
func (b *testChainIndexBackend) Reset(section uint64, lastSectionHead common.Hash) error {
b.section = section
b.headerCnt = 0
return nil
}
func (b *testChainIndexBackend) Process(header *types.Header) {