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62 Commits

Author SHA1 Message Date
Yuriy Glukhov 894816fa0c Fixed crash caused by findAncestorBySlot (#196) 
closes #193
 2019-03-22 11:57:19 +01:00
Dustin Brody f36c2d86dc begin 0.5.0 spec update (#179) 
* begin 0.5.0 spec update: parent_root -> previous_block_root, BeaconState.justified_epoch -> BeaconState.current_justified_epoch, DOMAIN_PROPOSAL -> DOMAIN_BEACON_BLOCK, temporarily rename BeaconBlockHeader to BeaconBlockHeaderRLP to allow for gradual re-merging without disrupting RLP; mark a few unchanged functions and data types, implement get_temporary_block_header/get_empty_block/should_update_validator_registry/processBlockHeader/cacheState; update a few others

* a dozen or so more trivial mostly comment changes, finding more unchanged parts of 0.5.0

* several more trivial changes; goal is to reduce noise around the upcoming substantial changes (epoch processing, etc)
 2019-03-16 13:52:37 -06:00
Jacek Sieka 1cb8ae9004
state processing fixes (#177) 
* remove some redundant state updates
* when attesting late, use correct state / head
* don't send out obsolete attestations
* don't propose obsolete blocks
* remove some more resundant state updates :)
* simplify block logging (experimental)
* document fork choice division
* fix some Slot / Epoch conversion warnings
 2019-03-14 07:33:56 -06:00
Ștefan Talpalaru 9ff1eb4ac8
Merge branch 'master' of github.com:status-im/nim-beacon-chain 2019-03-14 00:05:12 +01:00
Ștefan Talpalaru de295619be
assert() -> doAssert() 2019-03-14 00:04:43 +01:00
Jacek Sieka b0f4034060
implement fork choice (#175) 
* keep track of a finalized block
* keep track of all justified blocks
* use naive spec version of LMD ghost
* cache slot number and a few more things in BlockRef
* keep track of the latest vote of each validator
* depend less on the state of node.state (it's a cache, effectively)
 2019-03-13 16:59:20 -06:00
Dustin Brody 50a0948bc0 Mostly convert to using distinct Slot type (#172) 2019-03-12 16:21:32 -06:00
Mamy André-Ratsimbazafy 6dea18c140
Squashed commit of the following: 
commit bed6909f33
Author: Mamy André-Ratsimbazafy <mamy_github@numforge.co>
Date:   Mon Mar 11 12:22:35 2019 +0100

    Cleanup imports

commit 241f62ed8d
Author: Mamy André-Ratsimbazafy <mamy_github@numforge.co>
Date:   Mon Mar 11 12:06:00 2019 +0100

    Group beacon types to prevent recursive imports
 2019-03-12 16:03:14 +01:00
Yuriy Glukhov b587455e7b Use BlockPool for slot->blocks mapping (#166) 2019-03-11 09:38:36 -06:00
Jacek Sieka aec31b1126 Updates for finalizing chain! (#162) 
* set epoch_boundary_root - chain finalizes!
* fix slotStart to offset GENESIS_SLOT
* work around bug that will be fixed by
https://github.com/ethereum/eth2.0-specs/pull/732
* compile with debug info (there was a GC-related crash in C land)
 2019-03-09 04:23:14 +00:00
Jacek Sieka 6bcefc0e42
verify blocks before storing in block pool / database (#158) 
* fix state db lookup typo
* fix randao reveal slot when proposing blocks
* only store blocks that can be applied to a state
* store state at every epoch boundary (yes, needs pruning!)
* split out state advancement function when there's no block
* default state sim to 0.9 attestation ratio
 2019-03-08 10:40:17 -06:00
Jacek Sieka 125231d321
add initial block pool (#139) 
* implement in-memory block graph
* store tail block in database
* resolve unknown parents by syncing them from peers
* introduce concept of resolved blocks and attestations - those that
follow minimal protocol rules
* update state head lazily
* log more stuff
* shortHash -> shortLog
* start 9/10 beacon nodes by default, last can be started manually
* see also #134
* fix start.sh epoch length
 2019-02-28 15:21:29 -06:00