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* Change import go github.com/dexon-foundation/dexonWei-Ning Huang2019-04-091-9/+9
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* downloader: fix edgecase where returned index is OOB for downloader (#18335)Martin Holst Swende2018-12-201-1/+9
| | | | | | | | * downloader: fix edgecase where returned index is OOB for downloader * downloader: documentation Co-Authored-By: holiman <martin@swende.se>
* eth/downloader: fix light client cht binary search issuePéter Szilágyi2018-11-281-0/+22
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* core, eth/downloader: fix ancestor lookup for fast syncPéter Szilágyi2018-11-161-4/+29
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* downloader: different sync strategyMartin Holst Swende2018-11-161-39/+79
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* core, eth/downloader: fix validation flaw, fix downloader printout flaw (#17974)Martin Holst Swende2018-11-071-0/+1
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* eth/downloader: fix comment typos (#17956)Wenbiao Zheng2018-10-231-3/+3
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* eth/downloader: fix invalid hash chain error due to head mini reorgPéter Szilágyi2018-10-051-1/+38
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* eth/downloader: use intermediate variable for better readability (#17510)Wenbiao Zheng2018-09-301-4/+8
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* eth: conform better to the golint standards (#16783)williambannas2018-06-141-3/+3
| | | | | | * eth: made changes to conform better to the golint standards * eth: fix comment nit
* common: improve documentation comments (#16701)kiel barry2018-05-291-1/+1
| | | | | This commit adds many comments and removes unused code. It also removes the EmptyHash function, which had some uses but was silly.
* core/rawdb: separate raw database access to own package (#16666)Péter Szilágyi2018-05-071-2/+2
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* eth/downloader: fix for Issue #16539 (#16546)Domino Valdano2018-04-231-3/+11
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* eth/downloader: wait for all fetcher goroutines to exit before terminating ↵gary rong2018-04-161-9/+8
| | | | (#16509)
* eth: fix typos (#16414)Yusup2018-04-041-4/+4
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* eth: update higest block we know during the sync if a higher was found (#16283)gary rong2018-03-091-0/+8
| | | | | | * eth: update higest block we know during the sync if a higher was found * eth: avoid useless sync in fast sync
* eth/downloader: save and load trie sync progress (#16224)Péter Szilágyi2018-03-031-1/+5
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* metrics: pull library and introduce ResettingTimer and InfluxDB reporter ↵Anton Evangelatov2018-02-231-1/+1
| | | | | | | | | | | | | | | | | | | | (#15910) * go-metrics: fork library and introduce ResettingTimer and InfluxDB reporter. * vendor: change nonsense/go-metrics to ethersphere/go-metrics * go-metrics: add tests. move ResettingTimer logic from reporter to type. * all, metrics: pull in metrics package in go-ethereum * metrics/test: make sure metrics are enabled for tests * metrics: apply gosimple rules * metrics/exp, internal/debug: init expvar endpoint when starting pprof server * internal/debug: tiny comment formatting fix
* eth/downloader: don't require state for ancestor lookupsPéter Szilágyi2018-02-111-5/+6
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* eth, light: minor light client startup cleanupsPéter Szilágyi2018-02-081-1/+0
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* core, trie: intermediate mempool between trie and database (#15857)Péter Szilágyi2018-02-061-151/+166
| | | This commit reduces database I/O by not writing every state trie to disk.
* eth/downloader: fix #15858 by checking if downloader dropPeer function is ↵Martin Holst Swende2018-02-051-3/+20
| | | | set (#15992)
* core, eth, les, light: get rid of redundant methodsPéter Szilágyi2018-01-311-4/+6
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* eth/downloader: minor comments cleanup (#15495)jtakalai2017-11-161-5/+5
| | | | | it's -> its pet peeve, and I like to imagine I'm not alone.
* build: enable unconvert linter (#15456)ferhat elmas2017-11-111-2/+2
| | | | | | | | | * build: enable unconvert linter - fixes #15453 - update code base for failing cases * cmd/puppeth: replace syscall.Stdin with os.Stdin.Fd() for unconvert linter
* Merge pull request #14973 from rjl493456442/fix_downloaderPéter Szilágyi2017-09-111-0/+4
|\ | | | | eth/downloader: exit loop when there is no more available task
| * eth/downloader: exit loop when there is no more available taskrjl4934564422017-08-141-0/+4
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* | core, eth/downloader: commit block data using batches (#15115)Felix Lange2017-09-101-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * ethdb: add Putter interface and Has method * ethdb: improve docs and add IdealBatchSize * ethdb: remove memory batch lock Batches are not safe for concurrent use. * core: use ethdb.Putter for Write* functions This covers the easy cases. * core/state: simplify StateSync * trie: optimize local node check * ethdb: add ValueSize to Batch * core: optimize HasHeader check This avoids one random database read get the block number. For many uses of HasHeader, the expectation is that it's actually there. Using Has avoids a load + decode of the value. * core: write fast sync block data in batches Collect writes into batches up to the ideal size instead of issuing many small, concurrent writes. * eth/downloader: commit larger state batches Collect nodes into a batch up to the ideal size instead of committing whenever a node is received. * core: optimize HasBlock check This avoids a random database read to get the number. * core: use numberCache in HasHeader numberCache has higher capacity, increasing the odds of finding the header without a database lookup. * core: write imported block data using a batch Restore batch writes of state and add blocks, tx entries, receipts to the same batch. The change also simplifies the miner. This commit also removes posting of logs when a forked block is imported. * core: fix DB write error handling * ethdb: use RLock for Has * core: fix HasBlock comment
* | eth: disable fast sync after pivot is committedPéter Szilágyi2017-09-061-2/+1
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* eth/downloader: Doc fixesNick Johnson2017-07-051-1/+3
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* eth/downloader, les, light: Changes in response to reviewNick Johnson2017-07-031-17/+22
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* eth, les: Refactor downloader peer to use structsNick Johnson2017-06-291-47/+44
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* eth, les, light: Refactor downloader to use blockchain interfaceNick Johnson2017-06-281-61/+82
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* eth/downloader: separate state sync from queue (#14460)Felix Lange2017-06-221-156/+178
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * eth/downloader: separate state sync from queue Scheduling of state node downloads hogged the downloader queue lock when new requests were scheduled. This caused timeouts for other requests. With this change, state sync is fully independent of all other downloads and doesn't involve the queue at all. State sync is started and checked on in processContent. This is slightly awkward because processContent doesn't have a select loop. Instead, the queue is closed by an auxiliary goroutine when state sync fails. We tried several alternatives to this but settled on the current approach because it's the least amount of change overall. Handling of the pivot block has changed slightly: the queue previously prevented import of pivot block receipts before the state of the pivot block was available. In this commit, the receipt will be imported before the state. This causes an annoyance where the pivot block is committed as fast block head even when state downloads fail. Stay tuned for more updates in this area ;) * eth/downloader: remove cancelTimeout channel * eth/downloader: retry state requests on timeout * eth/downloader: improve comment * eth/downloader: mark peers idle when state sync is done * eth/downloader: move pivot block splitting to processContent This change also ensures that pivot block receipts aren't imported before the pivot block itself. * eth/downloader: limit state node retries * eth/downloader: improve state node error handling and retry check * eth/downloader: remove maxStateNodeRetries It fails the sync too much. * eth/downloader: remove last use of cancelCh in statesync.go Fixes TestDeliverHeadersHang*Fast and (hopefully) the weird cancellation behaviour at the end of fast sync. * eth/downloader: fix leak in runStateSync * eth/downloader: don't run processFullSyncContent in LightSync mode * eth/downloader: improve comments * eth/downloader: fix vet, megacheck * eth/downloader: remove unrequested tasks anyway * eth/downloader, trie: various polishes around duplicate items This commit explicitly tracks duplicate and unexpected state delieveries done against a trie Sync structure, also adding there to import info logs. The commit moves the db batch used to commit trie changes one level deeper so its flushed after every node insertion. This is needed to avoid a lot of duplicate retrievals caused by inconsistencies between Sync internals and database. A better approach is to track not-yet-written states in trie.Sync and flush on commit, but I'm focuing on correctness first now. The commit fixes a regression around pivot block fail count. The counter previously was reset to 1 if and only if a sync cycle progressed (inserted at least 1 entry to the database). The current code reset it already if a node was delivered, which is not stong enough, because unless it ends up written to disk, an attacker can just loop and attack ad infinitum. The commit also fixes a regression around state deliveries and timeouts. The old downloader tracked if a delivery is stale (none of the deliveries were requestedt), in which case it didn't mark the node idle and did not send further requests, since it signals a past timeout. The current code did mark it idle even on stale deliveries, which eventually caused two requests to be in flight at the same time, making the deliveries always stale and mass duplicating retrievals between multiple peers. * eth/downloader: fix state request leak This commit fixes the hang seen sometimes while doing the state sync. The cause of the hang was a rare combination of events: request state data from peer, peer drops and reconnects almost immediately. This caused a new download task to be assigned to the peer, overwriting the old one still waiting for a timeout, which in turned leaked the requests out, never to be retried. The fix is to ensure that a task assignment moves any pending one back into the retry queue. The commit also fixes a regression with peer dropping due to stalls. The current code considered a peer stalling if they timed out delivering 1 item. However, the downloader never requests only one, the minimum is 2 (attempt to fine tune estimated latency/bandwidth). The fix is simply to drop if a timeout is detected at 2 items. Apart from the above bugfixes, the commit contains some code polishes I made while debugging the hang. * core, eth, trie: support batched trie sync db writes * trie: rename SyncMemCache to syncMemBatch
* eth/downloader: fix a potential issue against future refactorsPéter Szilágyi2017-05-021-0/+4
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* core, eth, les: support resuming fast sync on heavy rollback (#3743)Péter Szilágyi2017-03-221-8/+8
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* Logger updates 3 (#3730)Péter Szilágyi2017-03-021-32/+32
| | | | | | | | * accounts, cmd, eth, ethdb: port logs over to new system * ethdb: drop concept of cache distribution between dbs * eth: fix some log nitpicks to make them nicer
* common, eth/downloader, log: support terminal log formattingPéter Szilágyi2017-02-281-19/+15
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* eth/downloader: review fixesPéter Szilágyi2017-02-271-1/+1
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* accounts, eth/downloader: use "err" instead of "error" in logsPéter Szilágyi2017-02-271-13/+13
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* eth/downloader: port over old logs from glog to log15Péter Szilágyi2017-02-271-96/+107
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* eth, les, swarm: fix go vet issues sufraced by log15Péter Szilágyi2017-02-231-1/+1
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* all: blidly swap out glog to our log15, logs need reworkPéter Szilágyi2017-02-231-78/+77
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* params: core, core/vm, miner: 64bit gas instructionsJeffrey Wilcke2017-02-141-6/+6
| | | | | | | | | | | | | | | | | Reworked the EVM gas instructions to use 64bit integers rather than arbitrary size big ints. All gas operations, be it additions, multiplications or divisions, are checked and guarded against 64 bit integer overflows. In additon, most of the protocol paramaters in the params package have been converted to uint64 and are now constants rather than variables. * common/math: added overflow check ops * core: vmenv, env renamed to evm * eth, internal/ethapi, les: unmetered eth_call and cancel methods * core/vm: implemented big.Int pool for evm instructions * core/vm: unexported intPool methods & verification methods * core/vm: added memoryGasCost overflow check and test
* Revert "params: core, core/vm, miner: 64bit gas instructions (#3514)"Jeffrey Wilcke2017-02-131-6/+6
| | | | This reverts commit 8b57c494908637a5c0e74f8f7a13b3218e026757.
* params: core, core/vm, miner: 64bit gas instructions (#3514)Jeffrey Wilcke2017-02-021-6/+6
| | | | | | | | | | | | | | | | Reworked the EVM gas instructions to use 64bit integers rather than arbitrary size big ints. All gas operations, be it additions, multiplications or divisions, are checked and guarded against 64 bit integer overflows. In additon, most of the protocol paramaters in the params package have been converted to uint64 and are now constants rather than variables. * common/math: added overflow check ops * core: vmenv, env renamed to evm * eth, internal/ethapi, les: unmetered eth_call and cancel methods * core/vm: implemented big.Int pool for evm instructions * core/vm: unexported intPool methods & verification methods * core/vm: added memoryGasCost overflow check and test
* all: fix spelling errorsPéter Szilágyi2017-01-071-1/+1
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* cmd, eth: added light client and light server modeszsfelfoldi2016-11-091-6/+21
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* eth/downloader: lower a state sync log level (users freak out)Péter Szilágyi2016-11-011-1/+1
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* eth/downloader: reduce fast sync block requirements, fix testPéter Szilágyi2016-10-311-3/+7
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* core/state, eth/downloader, trie: reset fast-failure on progressPéter Szilágyi2016-10-311-11/+16
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* eth/downloader: fix a data race in a log outputPéter Szilágyi2016-10-211-1/+2
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* cmd/geth, code, eth/downloader: tune import logs and mem statsPéter Szilágyi2016-10-211-1/+1
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* common, core, eth/downloader: adjust import log formattingPéter Szilágyi2016-10-181-1/+1
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* ethereum, ethclient: add SyncProgress API endpointPéter Szilágyi2016-09-061-2/+9
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* Merge pull request #2866 from karalabe/downloader-future-ancestorsPéter Szilágyi2016-08-161-9/+17
|\ | | | | eth/downloader: fewer headers and futures too in ancestor lookup
| * eth/downloader: fewer headers and futures too un ancestor lookupPéter Szilágyi2016-07-261-9/+17
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* | Merge pull request #2868 from karalabe/downloader-abort-master-dropPéter Szilágyi2016-08-091-2/+15
|\ \ | | | | | | eth/downloader: abort sync if master drops (timeout prev)
| * | eth/downloader: abort sync if master drops (timeout prev)Péter Szilágyi2016-07-261-2/+15
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* | Merge pull request #2867 from karalabe/dao-challenge-finishPéter Szilágyi2016-08-091-1/+1
|\ \ | | | | | | eth, eth/downloader: don't forward the DAO challenge header
| * | eth, eth/downloader: don't forward the DAO challenge headerPéter Szilágyi2016-07-261-1/+1
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* | Merge pull request #2861 from karalabe/track-peer-heads-properlyPéter Szilágyi2016-08-091-3/+4
|\ \ | |/ |/| eth, eth/downloader: better remote head tracking
| * eth, eth/downloader: better remote head trackingPéter Szilágyi2016-07-251-3/+4
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* | Merge pull request #2855 from karalabe/downloader-fix-stall-dropFelix Lange2016-07-251-1/+8
|\ \ | |/ |/| eth/downloader: fix the stall checks/drops during sync
| * eth/downloader: fix the stall checks/drops during syncPéter Szilágyi2016-07-221-1/+8
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* | eth, eth/downloader, eth/fetcher: delete eth/61 codeFelix Lange2016-07-221-598/+69
|/ | | | | The eth/61 protocol was disabled in #2776, this commit removes its message handlers and hash-chain sync logic.
* eth/downloader: return invalid chain (peer drop) on import failsPéter Szilágyi2016-07-121-1/+1
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* eth/downloader: adaptive quality of service tuningPéter Szilágyi2016-06-061-25/+119
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* eth/downloader: make fast sync resilient to critical section failsPéter Szilágyi2016-06-021-14/+51
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* Merge pull request #2637 from karalabe/downloader-always-cancelPéter Szilágyi2016-05-311-0/+2
|\ | | | | eth/downloader: ensure cancel channel is closed post sync
| * eth/downloader: ensure cancel channel is closed post syncPéter Szilágyi2016-05-301-0/+2
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* | eth/downloader, trie: pull head state concurrently with chainPéter Szilágyi2016-05-271-28/+28
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* eth/downloader: fix reviewer commentsPéter Szilágyi2016-05-201-7/+30
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* eth/downloader: stream partial skeleton filling to processorPéter Szilágyi2016-05-171-13/+25
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* eth/downloader: implement concurrent header downloadsPéter Szilágyi2016-05-171-181/+299
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* eth/downloader: bound fork ancestry and allow heavy short forksPéter Szilágyi2016-05-131-11/+57
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* all: fix go vet warningsFelix Lange2016-04-151-4/+2
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* core, eth: replace reorganiz with reorganisLeif Jurvetson2016-03-161-2/+2
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* eth: various typosLeif Jurvetson2016-03-161-5/+5
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* eth/downloader: fix premature exit before notifying all part fetchersPéter Szilágyi2016-02-291-1/+3
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* eth/downloader: fix header download limitingFelix Lange2016-02-261-1/+1
| | | | Fixes #2201
* eth/downloader: fix partial rollback and ancestor lookupPéter Szilágyi2016-02-191-2/+28
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* eth, eth/downloader, jsre: surface state sync progress through the APIPéter Szilágyi2016-02-101-3/+11
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* eth/downloader: raise pending state limit that prevented concurrencyPéter Szilágyi2016-02-081-1/+0
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* core, eth/downloader: ensure state presence in ancestor lookupPéter Szilágyi2016-01-041-52/+52
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* eth/downloader: fetch data proportionally to peer capacityPéter Szilágyi2015-11-191-104/+74
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* eth/downloader: also drain stateCh, receiptCh in eth/61 modeFelix Lange2015-11-191-71/+77
| | | | | | | | | State and receipt deliveries from a previous eth/62+ sync can hang if the downloader has moved on to syncing with eth/61. Fix this by also draining the eth/63 channels while waiting for eth/61 data. A nicer solution would be to take care of the channels in a central place, but that would involve a major rewrite.
* eth/downloader: don't hang for spurious deliveriesFelix Lange2015-11-191-105/+57
| | | | | | | | | | | | | | | | Unexpected deliveries could block indefinitely if they arrived at the right time. The fix is to ensure that the cancellation channel is always closed when the sync ends, unblocking any deliveries. Also remove the atomic check for whether a sync is currently running because it doesn't help and can be misleading. Cancelling always seems to break the tests though. The downloader spawned d.process whenever new data arrived, making it somewhat hard to track when block processing was actually done. Fix this by running d.process in a dedicated goroutine that is tied to the lifecycle of the sync. d.process gets notified of new work by the queue instead of being invoked all the time. This removes a ton of weird workaround code, including a hairy use of atomic CAS.
* eth: don't block sync goroutines that short circuitPéter Szilágyi2015-10-281-2/+4
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* core, eth, trie: fix data races and merge/review issuesPéter Szilágyi2015-10-211-71/+120
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* core, eth: roll back uncertain headers in failed fast syncsPéter Szilágyi2015-10-191-10/+50
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* eth/downloader: concurrent receipt and state processingPéter Szilágyi2015-10-191-24/+40
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* core, eth, trie: direct state trie synchronizationPéter Szilágyi2015-10-191-334/+234
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* core, eth: receipt chain reconstructionPéter Szilágyi2015-10-191-22/+33
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* eth/downloader: add fast and light sync strategiesPéter Szilágyi2015-10-191-229/+438
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* eth/downloader: match capabilities when querying idle peersPéter Szilágyi2015-10-021-2/+2
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* eth/downloader: always send termination wakes, clean leftoverPéter Szilágyi2015-09-231-20/+36
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* eth/downloader: header-chain order and ancestry checkPéter Szilágyi2015-09-151-1/+1
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* eth, rpc: standardize the chain sync progress countersPéter Szilágyi2015-09-151-47/+139
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* core: split out TD from database and all internalsPéter Szilágyi2015-09-111-3/+8
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* eth/downloader: fix race causing occasional test failurePéter Szilágyi2015-09-011-1/+3
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* eth: update metrics collection to handle eth/62 algosPéter Szilágyi2015-08-251-4/+40
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* eth: port the synchronisation algo to eth/62Péter Szilágyi2015-08-251-94/+580
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* eth: kill off protocol eth/60 in preparation for eth/62Péter Szilágyi2015-08-241-394/+3
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* eth, eth/downloader: handle header requests, table driven proto testsPéter Szilágyi2015-08-241-5/+7
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* eth, metrics, p2p: prepare metrics and net packets to eth/62Péter Szilágyi2015-08-211-1/+2
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* eth, eth/downloader: don't report stall if fetcher filled the blockPéter Szilágyi2015-07-291-10/+22
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* all: fix license headers one more timeFelix Lange2015-07-241-1/+1
| | | | I forgot to update one instance of "go-ethereum" in commit 3f047be5a.
* all: update license headers to distiguish GPL/LGPLFelix Lange2015-07-231-4/+4
| | | | | All code outside of cmd/ is licensed as LGPL. The headers now reflect this by calling the whole work "the go-ethereum library".
* eth/downloader: drop peer if advertised TD but won't delvierPéter Szilágyi2015-07-091-0/+8
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* all: update license informationFelix Lange2015-07-071-0/+16
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* eth, eth/downloader: fix #1231, DOS vulnerability in hash queueingPéter Szilágyi2015-07-011-4/+14
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* eth/downloader: reduce hash fetches in prep for eth/61Péter Szilágyi2015-07-011-3/+3
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* eth, eth/downloader: transition to eth 61Péter Szilágyi2015-07-011-21/+376
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* eth, eth/downloader: pass the eth protocol version throughPéter Szilágyi2015-07-011-2/+2
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* eth, eth/fetcher: move propagated block import into fetcherPéter Szilágyi2015-06-181-1/+1
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* eth, eth/fetcher: separate notification sync mechanismPéter Szilágyi2015-06-181-0/+1
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* eth/downloader: always reenter processing if not exitingPéter Szilágyi2015-06-181-23/+22
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* eth, eth/downloader: fix processing interrupt caused by temp cancelPéter Szilágyi2015-06-181-21/+19
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* eth/downloader: fix #1280, overlapping (good/bad) delivery hangPéter Szilágyi2015-06-171-0/+1
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* eth/downloader: detailed comment for the race corner casePéter Szilágyi2015-06-151-4/+15
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* eth/downloader: fix import statistic reset, fetch hashes asyncPéter Szilágyi2015-06-151-11/+14
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* eth, eth/downloader: move block processing into the downlaoderPéter Szilágyi2015-06-151-58/+119
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* eth/downloader: instreument and test the sync peer dropPéter Szilágyi2015-06-151-5/+9
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* eth, eth/downloader: move peer removal into downloaderPéter Szilágyi2015-06-151-28/+59
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* eth/downloader: fetch the block hashes on the fly, when neededPéter Szilágyi2015-06-111-9/+5
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* cmd/geth, eth/downloader: rough guess at the import etaPéter Szilágyi2015-06-101-2/+13
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* cmd/geth, eth/downloader: collect and report import progress tooPéter Szilágyi2015-06-101-4/+35
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* eth/downloader: fix hash fetch timeout handlingFelix Lange2015-06-091-12/+18
| | | | Fixes #1206
* eth/downloader: reject peer registration if head is bannedPéter Szilágyi2015-06-081-4/+15
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* eth/downloader: cap the hash ban set, add test for itPéter Szilágyi2015-06-081-7/+16
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* eth/downloader: preallocate the block cachePéter Szilágyi2015-06-081-4/+4
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* eth/downloader: fix merge compile errorPéter Szilágyi2015-06-081-1/+1
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* eth/downloader: don't block hash deliveries while pulling blocksPéter Szilágyi2015-06-081-17/+14
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* eth/downloader: clean up and simplify the code a bitPéter Szilágyi2015-06-081-13/+3
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* eth/downloader: short circuit sync if head hash is bannedPéter Szilágyi2015-06-081-0/+4
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* eth/downloader: accumulating hash bans for reconnecting attackersPéter Szilágyi2015-06-081-5/+91
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* eth/downloader: clean up tests and unused variablesPéter Szilágyi2015-06-081-6/+4
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* Merge pull request #1189 from karalabe/downloader-polishesJeffrey Wilcke2015-06-051-16/+35
|\ | | | | eth/downloader: handle timeouts more gracefully
| * eth/downloader: differentiate stale and nonexistent deliveriesPéter Szilágyi2015-06-051-16/+34
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| * eth/downloader: log hard timeouts and reset capacityPéter Szilágyi2015-06-051-0/+1
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* | eth, eth/downloader: fix #1098, elevate empty hash errors to peer dropsPéter Szilágyi2015-06-051-2/+2
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* eth/downloader: log after state updates, easier to debugPéter Szilágyi2015-06-041-5/+3
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* eth/downloader: fix #1178, don't request blocks beyond the cache boundsPéter Szilágyi2015-06-041-14/+24
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* eth/downloader: add a basic block download congestion controlPéter Szilágyi2015-06-031-6/+8
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* core, eth/downloader: expose the bad hashes, check in downloaderPéter Szilágyi2015-05-281-0/+16
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* eth/downloader: silence "Added N blocks from..." if N == 0Péter Szilágyi2015-05-261-1/+1
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* eth, eth/downloader: surface downloaded block origin, drop on errorPéter Szilágyi2015-05-261-1/+7
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* eth, eth/downloader: remove duplicate consts, bump hash fetch to 2KPéter Szilágyi2015-05-211-4/+6
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* eth/downloader: circumvent a forged block chain with known parent attackPéter Szilágyi2015-05-211-12/+21
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* eth/downloader: prevent a peer from dripping bad hashesPéter Szilágyi2015-05-211-8/+12
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* eth/downloader: moved start eventobscuren2015-05-161-2/+2
| | | | Start event has moved because it could possibly could stall the miner
* eth/downloader: circumvent download race between crosscheck and hashesPéter Szilágyi2015-05-161-5/+7
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* eth/downloader: fix cancel channel double closePéter Szilágyi2015-05-161-3/+8
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* eth/downloader: circumvent a fake blockchain attackPéter Szilágyi2015-05-151-12/+9
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* eth/downloader: don't penalize for stale cross checksPéter Szilágyi2015-05-151-7/+17
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* eth, eth/downloader: detect and handle madeup hash attacksPéter Szilágyi2015-05-151-32/+64
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* eth/downloader: circumvent hash reordering attacksPéter Szilágyi2015-05-151-15/+21
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* eth/downloader: check sync after failed attacksPéter Szilágyi2015-05-151-1/+5
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* eth/downloader: add a test for detecting missing blocksPéter Szilágyi2015-05-151-3/+1
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* eth, eth/downloader: prevent hash repeater attackPéter Szilágyi2015-05-151-4/+6
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* eth, eth/downloader, miner: use download events to check miner startobscuren2015-05-151-1/+16
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* Merge pull request #974 from karalabe/downloader-fix-unknown-parent-attackJeffrey Wilcke2015-05-141-9/+2
|\ | | | | eth, eth/downloader: handle a potential unknown parent attack
| * eth/downloader: remove a previous leftoverPéter Szilágyi2015-05-141-1/+0
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| * eth, eth/downloader: remove parent verification from the downlaoderPéter Szilágyi2015-05-141-12/+2
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| * eth, eth/downloader: handle a potential unknown parent attackPéter Szilágyi2015-05-141-8/+12
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* | Merge pull request #950 from karalabe/downloader-cancel-syncJeffrey Wilcke2015-05-141-32/+37
|\ \ | | | | | | eth/downloader: fix deliveries to check for sync cancels
| * | eth/downloader: remove a redundant sync progress checkPéter Szilágyi2015-05-131-4/+0
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| * | eth/downloader: add a user sync notificatonPéter Szilágyi2015-05-131-0/+5
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| * | eth/downloader: sync the cancel channel during cancel tooPéter Szilágyi2015-05-131-21/+4
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| * | eth/downloader: fix deliveries to check for sync cancelsPéter Szilágyi2015-05-131-10/+31
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* / eth/downloader: fix nil panic caused by wrong variable usePéter Szilágyi2015-05-131-1/+1
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* eth/downloader: fix active peer shadowing, polish func namesPéter Szilágyi2015-05-131-18/+10
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* eth, eth/downloader: moved pending queue error message to debugobscuren2015-05-111-2/+2
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* eth/downloader: use count instead of peers, clearerPéter Szilágyi2015-05-111-2/+2
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* eth/downloader: revert to demotion, use harsher penaltyPéter Szilágyi2015-05-111-3/+9
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* eth/downloader: fix #910, thread safe peers & polishesPéter Szilágyi2015-05-111-84/+56
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* eth: added a cancel method for the downloaderobscuren2015-05-101-2/+60
| | | | | | | | | Added a cancel method to the downloader which gracefully shuts down any active syncing process (hash fetching or block downloading) and resets the queue and remove any pending blocks. Issue with the downloader which would stall because of an active ongoing process when an invalid block was found.
* eth/downloader: fix leftover state between syncsPéter Szilágyi2015-05-081-1/+4
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* eth, eth/downloader: handle sync errors a bit more gracefullyPéter Szilágyi2015-05-081-15/+13
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* eth, eth/downloader: make synchronize thread safePéter Szilágyi2015-05-081-57/+15
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* eth/downloader: fix expiration not running while fetchingPéter Szilágyi2015-05-071-22/+18
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* eth/downloader: prioritize block fetch based on chain position, cap memory usePéter Szilágyi2015-05-071-120/+70
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* downloader: hash downloading recoveryobscuren2015-05-031-19/+54
| | | | | | If a peer fails to respond (disconnect, etc) during hash downloading switch to a different peer which has it's current_hash in the queue's peer set.
* eth/downloader: changed has to blockHashes for chain linkingobscuren2015-05-031-1/+1
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* eth, eth/downloader: Moved block processing & graceful shutdownobscuren2015-05-011-149/+132
| | | | | | | The downloader is no longer responsible for processing blocks. The eth-protocol handler now takes care of this instead. Added graceful shutdown during block processing. Closes #846
* eth/downloader: delete blocks from queueobscuren2015-04-301-2/+14
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* eth, eth/downloader: remove bad peers from peer setobscuren2015-04-301-10/+8
| | | | Peers in the eth protocol handler are now being ignored for catch up.
* eth/downloader: drop blockobscuren2015-04-301-1/+1
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* eth/downloader: ignore orphan blocks in the downloader.obscuren2015-04-291-5/+9
| | | | | | When blocks have been sorted and are being processed, orphan blocks should be ignored and thrown out. The protocol handler is responsible for downloading blocks which have missing parents.
* core: return the index of the block that failed when inserting a chainobscuren2015-04-291-5/+4
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* eth/downloader: reset the chain when parent is missing during processingobscuren2015-04-291-0/+2
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* eth: check if downloader is busy before showing log messageobscuren2015-04-291-0/+4
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* eth/downloader: removed update loop and synch channelobscuren2015-04-251-25/+0
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* eth, eth/downloader: simplified synchronisation processobscuren2015-04-241-24/+13
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* eth, eth/downloader: don't require td on downloader. Fixed testsobscuren2015-04-241-4/+1
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* eth, eth/downloader: moved peer selection to protocol handlerobscuren2015-04-241-45/+50
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* core: added chain head reset to known blockobscuren2015-04-201-0/+2
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* geth: admin download statusobscuren2015-04-201-11/+15
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* downloader: fixed tests with low ttlobscuren2015-04-191-2/+2
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* movedobscuren2015-04-191-6/+6
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* Removed debug printlnobscuren2015-04-191-3/+0
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* downloader: moved chunk ignoring. Fixes issue with catching upobscuren2015-04-191-17/+22
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* downloader: defer peer reset after downloadobscuren2015-04-191-4/+7
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* downloader: reset hashTtl on receiveobscuren2015-04-191-0/+2
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* downloader: don't remove peers. keep them aroundobscuren2015-04-191-2/+3
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* downloader: free up peers from work when the downloader resetsobscuren2015-04-191-1/+3
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* downloader: throw an error if there are no peers available for downloadobscuren2015-04-191-6/+16
| | | | | | If all peers have been tried during the block download process and some hashes are unfetchable (available peers > 0 and fetching == 0) throw an error so the process can be aborted.
* downloader: fixed a race condition for download statusobscuren2015-04-191-1/+0
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* eth: adapted to new synchronous api of downloader's AddBlockobscuren2015-04-191-2/+0
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* downloader: improved downloading and synchronisationobscuren2015-04-191-109/+35
| | | | | | * Downloader's peers keeps track of peer's previously requested hashes so that we don't have to re-request * Changed `AddBlock` to be fully synchronous
* downloader: make sure that hashes are only accepted from the active peerobscuren2015-04-181-18/+45
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* downloader: reset the queue if a peer response with an empty hash setobscuren2015-04-181-14/+25
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* downloader: all handlers check for isBusyobscuren2015-04-181-7/+7
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* Merge branch 'develop' into downloader-protoobscuren2015-04-181-5/+97
|\ | | | | | | | | Conflicts: eth/downloader/downloader.go
| * downloader: fixed a typoobscuren2015-04-171-1/+1
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| * downloader: added demotion / promotion in prep. for rep. systemobscuren2015-04-161-0/+5
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| * downloader: updated downloader and fixed issues with catch upobscuren2015-04-161-21/+47
| | | | | | | | | | | | Properly ignore blocks coming from peers not in our peer list (blocked) and do never request anything from bad peers. Added some checks to account for blocks known when requesting hashes (missing parents).
* | downloader: updated downloader and fixed issues with catch upobscuren2015-04-161-22/+48
|/ | | | | | Properly ignore blocks coming from peers not in our peer list (blocked) and do never request anything from bad peers. Added some checks to account for blocks known when requesting hashes (missing parents).
* downloader: added missing blocks catchup functionalityobscuren2015-04-131-121/+190
| | | | | When a parent is missing in the block list an attempt should be made to fetch the missing parent and grandparents.
* downloader: return an error for peer.fetch and return chunk to queueobscuren2015-04-121-2/+8
| | | | | If a peer was somehow already fetching and somehow managed to end up in the `available` pool it should return it's work.
* downloader: implemented new downloaderobscuren2015-04-121-0/+328
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-25 07:47:28 +0800