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1577 Commits

Author SHA1 Message Date
Justin b664453a34
Update 0_beacon-chain.md 2019-03-19 20:43:05 +00:00
Danny Ryan ef0b3d2948
Merge branch 'dev' into JustinDrake-patch-20 2019-03-19 14:26:38 -06:00
Danny Ryan be13fa8ec3
Merge branch 'dev' into JustinDrake-patch-14 2019-03-19 14:20:12 -06:00
Danny Ryan 574fd8d63c
Merge branch 'dev' into JustinDrake-patch-18 2019-03-19 14:14:35 -06:00
Danny Ryan 23ef802da5
fix small bug in sytax 2019-03-19 13:25:34 -06:00
Danny Ryan cf06cb59c3
Merge branch 'dev' into JustinDrake-patch-13 2019-03-19 12:40:58 -06:00
Danny Ryan 054a1e3126
Merge branch 'dev' into JustinDrake-patch-12 2019-03-19 12:25:50 -06:00
Danny Ryan bdfc01cf93
Merge branch 'dev' into JustinDrake-patch-11 2019-03-19 12:13:42 -06:00
Danny Ryan f7fab30772
minor adjustment to not repeat committe count calc 2019-03-19 11:40:24 -06:00
Danny Ryan f5826e7f1c
small lint 2019-03-19 11:34:49 -06:00
Danny Ryan c8e9073414
define get_split_offset and squash a couple of bugs 2019-03-19 11:24:36 -06:00
Danny Ryan 009563b2c3
fix a few bugs in testing compute_committee 2019-03-19 11:15:51 -06:00
Justin b50e148642
Update 0_beacon-chain.md 2019-03-19 17:13:25 +00:00
Danny Ryan 0737494694
Merge branch 'dev' into vbuterin-patch-16 2019-03-19 11:04:11 -06:00
vbuterin c5ee74d5e0
Justin fixes 2019-03-19 11:21:17 -05:00
Danny Ryan 9e3079854f
Merge pull request #809 from ethereum/master 
Backport CI testing into dev
 2019-03-19 10:16:46 -06:00
vbuterin db92235d9e
Removed some no-longer-necessary functions 2019-03-19 09:34:37 -05:00
vbuterin dd39d25c86
Replace committee exponential backoff with max progress 
Removes the mechanism that only rotates committees if blocks have been finalized and every shard has been crosslinked or at exponentially decreasing intervals, and replaces it with a rule that shard committees can only progress a maximum of 64 epochs at a time to preserve the invariant that maximum possible work required per epoch for a validator is O(1).
 2019-03-19 09:32:06 -05:00
Justin 78f47f2069
Avoid underflow in voluntary exits 2019-03-19 12:23:17 +00:00
Justin e91036cfc9
Update 0_beacon-chain.md 2019-03-19 11:12:50 +00:00
Justin 0c383ce4a1
Update 0_beacon-chain.md 2019-03-19 11:11:18 +00:00
Justin 2b454d57f1
Update 0_beacon-chain.md 2019-03-19 11:08:17 +00:00
Justin dc4b652f72
Only slash active validators 
This is to prevent a spam/DoS attack where validators with zero balance get "slashed" but no validator loses any balance.
 2019-03-19 11:03:42 +00:00
Matthew Slipper 2dce326310 Bring back envelope 2019-03-18 16:02:31 -07:00
Justin 0039613628
Simplify exit_validator 
Minor cleanup
 2019-03-18 19:08:41 +00:00
Matthew Slipper fba333c791 Updates from review 2019-03-17 21:19:45 -07:00
Justin d25c18b320
Update 0_beacon-chain.md 2019-03-17 11:48:47 +00:00
vbuterin 91a0c1ba5f Persistent committee size per slot reduced to max 128 (#734) 
* Persistent committee size per slot target 128 max 256

Cuts down the cost of verifying a shard chain and aggregating signatures for a shard chain, and also makes the shard chain signatures more usable by light clients for verification as they would only need to keep track of a max 256-sized committee.
 2019-03-17 11:44:19 +00:00
Hsiao-Wei Wang 6b82f5e999 Set `GENESIS_FORK_VERSION` to a `bytes4` constant (#792) 
* Set `GENESIS_FORK_VERSION` to a `bytes4` constant

* Update 0_beacon-chain.md
 2019-03-17 11:33:42 +00:00
Justin 390ece7fbe
Rename "vector" to "tuple" in SSZ spec (#794) 
To be done in combination with #777.

Also:

* Define "fixed-size" and "variable-size" more rigorously
* Use `"` vs `'` consistently
* Add missing `"`
 2019-03-17 11:33:29 +00:00
vbuterin 506fdf4042 Added FixedSizeList wrappers (#777) 
* Added FixedSizeList wrappers

Requires corresponding changes to the spec pythonizer.

* FixedSizeList -> Vector
 2019-03-17 11:33:19 +00:00
Sören Steiger 65162e0371 Update 0_beacon-chain.md (#791) 2019-03-16 20:56:10 +00:00
Sören Steiger 919b99e0ae Add missing word (#788) 2019-03-16 12:46:45 +00:00
NIC Lin 1a0938169b Fix `get_split_offset` (#790) 2019-03-16 12:45:39 +00:00
Justin e5ff0d59ad
Update 0_beacon-chain.md 2019-03-16 11:23:41 +00:00
Sören Steiger 6b118d2398 Add trailing comma (#789) 2019-03-16 12:16:47 +08:00
Justin 3944fd4b15
Clarify empty sums in BLS spec (#782) 
Fix #775.
 2019-03-15 18:18:37 +00:00
Justin 709e0df39f
Update 0_beacon-chain.md 2019-03-15 13:54:33 +00:00
Justin 1236e8e1fa
Update 0_beacon-chain.md 2019-03-15 13:53:24 +00:00
Justin 4b461838d2
`GENESIS_EPOCH - 1` for `previous_shuffling_epoch` and `previous_justified_epoch` 
See item 26 in #675.
 2019-03-15 13:32:24 +00:00
Justin e912ed7fca
Include recently slashed churn in churn queue 
Addresses #527 in combination with #784.
 2019-03-15 13:12:03 +00:00
Justin 4a8d748c55
Milder ejections 
See item 22 in https://github.com/ethereum/eth2.0-specs/issues/675. Also partially addresses https://github.com/ethereum/eth2.0-specs/issues/527.
 2019-03-15 13:05:46 +00:00
Justin d8d653dd94
Update 0_beacon-chain.md 2019-03-15 12:51:46 +00:00
Justin 96ab535704
Simplify and cleanup process_attestation 
Improve readability and testability (by avoiding untriggerable `assert`). Fix #753.
 2019-03-15 12:40:52 +00:00
Justin 58603f276e
Update 0_beacon-chain.md 2019-03-15 11:28:55 +00:00
Justin dac43eb564
Simplify deposits 
Fix #760
 2019-03-15 11:18:06 +00:00
Justin 4a5ef98813
Move to SHA256 
SHA256 is de facto blockchain standard. Standardisation of the hash function is a prerequisite for [full standardisation of BLS12-381 signatures](https://github.com/ethereum/eth2.0-specs/issues/605). Blockchain projects are likely to provide a cheap SHA256 opcods/precompile, and unlikely to provide a Keccak256 equivelent. (Even WASM-enabled blockchains are likely to provide a SHA256 opcode/precompile since WASM does *not* natively support optimised SHA256 CPU instructions.) With Ethereum 2.0 embracing SHA256 the wider industry is more likely to converge towards a unified cross-blockchain communication scheme via Merkle receipts.

There are no security blockers with SHA256 (see comments by Dan Boneh [here](https://github.com/ethereum/eth2.0-specs/issues/612#issuecomment-470452562)).
 2019-03-15 10:51:08 +00:00
Justin 68d1c74784
Update 0_beacon-chain.md 2019-03-15 09:45:20 +00:00
Justin 5d327b6364
Update 0_beacon-chain.md 2019-03-15 09:43:38 +00:00
Hsiao-Wei Wang 16123685af
Merge branch 'dev' into vbuterin-patch-3 2019-03-15 11:22:15 +08:00
vbuterin 24468de23b
Change get_shuffling to compute_committee 
See #729 and #774 

The behavior now is that the first committee will consist of `get_permuted_index(0..n-1)`, the second committee `get_permuted_index(n....2n-1)`, etc.
 2019-03-14 20:28:44 -05:00
Danny Ryan aeb5bb9b11
Merge pull request #755 from ethereum/dev 
v0.5.0 release
 2019-03-14 15:49:49 -06:00
Justin bbc5139115
Update 0_beacon-chain.md 
Assuming `epoch % i` is a bug, and you meant `epoch + i`. @vbuterin
 2019-03-14 19:01:32 +00:00
Justin 23d15f51a7
Update 0_beacon-chain.md 2019-03-14 18:57:17 +00:00
Raúl Kripalani 863f85c45a
Update specs/networking/rpc-interface.md 
Co-Authored-By: mslipper <me@matthewslipper.com>
 2019-03-13 21:57:29 -07:00
Raúl Kripalani 22e6212e6f
Update specs/networking/node-identification.md 
Co-Authored-By: mslipper <me@matthewslipper.com>
 2019-03-13 21:56:47 -07:00
jannikluhn 5a9ef0fd98
Update specs/networking/rpc-interface.md 
Co-Authored-By: mslipper <me@matthewslipper.com>
 2019-03-13 21:55:59 -07:00
jannikluhn f3bddee7a5
Update specs/networking/rpc-interface.md 
Co-Authored-By: mslipper <me@matthewslipper.com>
 2019-03-13 21:55:48 -07:00
jannikluhn 29caafc756
Update specs/networking/rpc-interface.md 
Co-Authored-By: mslipper <me@matthewslipper.com>
 2019-03-13 21:52:25 -07:00
vbuterin 4442dfffb9
Fair proposer selection probability 
Note that as a side effect, proposer selection becomes less predictable, but I don't feel like this is a large downside.
 2019-03-13 21:42:49 -05:00
terence tsao c30018a716
Update 0_beacon-chain-validator.md 2019-03-13 18:45:52 -07:00
Alex Stokes 9774a3d581
Helper function returns correct type of `Gwei` instead of indices 2019-03-13 17:01:47 -07:00
Danny Ryan 15263c4e06
Merge pull request #769 from ethereum/v0.5-val-guide 
update v-guide to v0.5.0
 2019-03-13 13:53:15 -06:00
Danny Ryan 0e837c3386
update v-guide to v0.5.0 2019-03-13 12:17:21 -06:00
Hsiao-Wei Wang cdd59ae230
add return types to phase 1 functions 
Co-Authored-By: djrtwo <dannyjryan@gmail.com>
 2019-03-13 09:11:35 -06:00
Danny Ryan b40236685c
phase 1 nitpicks 2019-03-13 09:04:12 -06:00
Vitalik Buterin 34cd96be54 Added light client related files 2019-03-13 02:47:29 -05:00
Matthew Slipper e4a1ef16e6 Add networking specs 2019-03-12 13:46:58 -07:00
Danny Ryan e8a5cd0747
fix up for tests 2019-03-12 12:32:11 -06:00
Danny Ryan 6e04b2118c
Merge branch 'dev' into store-justified-root 2019-03-12 12:08:59 -06:00
Danny Ryan acf0f76d60
Merge branch 'dev' into JustinDrake-patch-1 2019-03-12 11:48:05 -06:00
Danny Ryan a68b050053
set fork values in genesis as bytes4 2019-03-12 11:35:59 -06:00
Danny Ryan 7b829227ee
Merge branch 'dev' into JustinDrake-patch-4 2019-03-12 11:28:33 -06:00
Danny Ryan 25f6647ef2
minor formatting 2019-03-12 11:07:20 -06:00
Danny Ryan bdaba00a58
Merge branch 'dev' into JustinDrake-patch-7 2019-03-12 10:56:22 -06:00
Justin 0a349f8bdc
Update 0_beacon-chain.md 2019-03-12 15:58:31 +00:00
Hsiao-Wei Wang 0f120415b5
Update specs/core/0_beacon-chain.md 
Co-Authored-By: JustinDrake <drakefjustin@gmail.com>
 2019-03-12 16:49:04 +01:00
Justin d8a3048f2c
Update 0_beacon-chain.md 2019-03-12 12:36:09 +00:00
Justin 64ba3a3107
Epoch-based proposer slashing 
See #675 item 25.
 2019-03-12 12:24:37 +00:00
Justin 6c35934060
Update 0_beacon-chain.md 2019-03-12 10:34:24 +00:00
Justin addf7b77ab
Update 0_beacon-chain.md 2019-03-12 10:26:34 +00:00
Justin 578bf02b6f
Update 0_beacon-chain.md 2019-03-12 10:17:34 +00:00
Justin a7544864d5
Update 0_beacon-chain.md 2019-03-12 10:02:52 +00:00
vbuterin 5266bbd378
Honest validator doc update for mandatory deposits 
Co-requisite with #758.
 2019-03-11 23:38:22 -05:00
vbuterin 4410a55c4d
Mandatory deposits 
Resolves #675 point 5.
 2019-03-11 23:30:08 -05:00
Danny Ryan 3916643ef6
only update justified epoch/root if changed 2019-03-11 18:23:17 -06:00
Justin 3459ea0838
Check proposer is not slashed 2019-03-11 22:07:34 +00:00
Danny Ryan f06a3b82e7
cache current and previous justified root in state 2019-03-11 14:38:10 -06:00
Danny Ryan bf6bdbb021
cleanup minor var errors 2019-03-11 12:38:11 -06:00
Danny Ryan 36efb4498f
Merge branch 'dev' into vbuterin-patch-3 2019-03-11 10:44:18 -06:00
Justin 0704297480
Update 0_beacon-chain.md 2019-03-11 17:28:39 +01:00
Danny Ryan 9c2d34d876
Merge branch 'dev' into min-time-to-exit 2019-03-11 09:45:39 -06:00
Danny Ryan 2c7c48a4e0
Merge pull request #751 from ethereum/JustinDrake-patch-8 
Disallow duplicate voluntary exits
 2019-03-11 09:09:53 -06:00
Justin 2d3d7e33b3
Weaken criterion for attestation inclusion 
The invariant that `get_current_epoch(state) in [get_current_epoch(state), get_previous_epoch(state)]` is preserved, as well as symmetry/fairness across blocks.
 2019-03-10 21:58:32 +01:00
Danny Ryan 641bfc2f2c
Merge pull request #744 from ethereum/empty-attestation-bug 
minor execution bugs
 2019-03-10 08:26:21 -06:00
Justin d425ea26e2
Update 0_beacon-chain.md 2019-03-10 13:50:28 +01:00
Justin b7376aea5c
Disallow duplicate voluntary exits 
Stricter processing of voluntary exits to remove an edge case
 2019-03-10 13:49:37 +01:00
Justin 02428ec252
Do not check withdrawal credentials for existing validators 
We should not invalidate blocks that contain a deposit with an inconsistent withdrawal credential as that would stall the chain.
 2019-03-10 13:25:57 +01:00
Danny Ryan 902e65e072
add min persistent committee period resitriction on exits 2019-03-08 15:16:06 -07:00
Danny Ryan 0f3e0ef2ad
Merge pull request #743 from ethereum/JustinDrake-patch-9 
Minor cleanups
 2019-03-08 14:59:39 -07:00