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* all: update license information (#16089)Felix Lange2018-02-141-1/+1
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* les, light: fix CHT trie retrievals (#16039)Péter Szilágyi2018-02-111-10/+17
| | | | | | | | | | | | * les, light: fix CHT trie retrievals * les, light: minor polishes, test remote CHT retrievals * les, light: deterministic nodeset rlp, bloombits test skeleton * les: add an event emission to the les bloombits test * les: drop dead tester code
* core, trie: intermediate mempool between trie and database (#15857)Péter Szilágyi2018-02-061-4/+4
| | | This commit reduces database I/O by not writing every state trie to disk.
* les, light: LES/2 protocol version (#14970)Felföldi Zsolt2017-10-241-0/+141
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.