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1202 Commits

Author SHA1 Message Date
Justin
1e32661c4f Remove references and copyright 
Licensing is done at the repo level. The listed references are awkwardly incomplete (only the Python implementation was listed when we have ~10 implementations, and only the Casper paper was listed where we could add many ethresear.ch posts).
 2019-04-12 19:54:33 +10:00
Danny Ryan
a374e29184 Merge pull request #902 from ralexstokes/fix-ordering-of-process-deposits 
Move the ordering of the definition of `process_deposit`.
 2019-04-12 19:26:30 +10:00
Danny Ryan
c119565d8b Merge pull request #903 from ralexstokes/update-verify-indexed-attestation 
Avoid materializing the merged list.
 2019-04-12 19:07:01 +10:00
Alex Stokes
4824b34df3 Avoid materializing the merged list. 
Fixes #901.
 2019-04-12 19:02:16 +10:00
Danny Ryan
ce0f52b52d Merge pull request #890 from ethereum/proto-fix-justification-bitfield 
limit bit-length of justification bitfield to strict 64
 2019-04-12 18:59:42 +10:00
Alex Stokes
c954eab96d Move the ordering of the definition of process_deposit. 
This move matches the symmetry of the other operation processing definitions.
 2019-04-12 18:57:55 +10:00
Alex Stokes
b966041ddb formatting fix (#899) 2019-04-12 18:56:55 +10:00
terence tsao
38b6e71bd5 Update 0_beacon-chain.md 2019-04-12 15:06:23 +10:00
protolambda
7ffcdcfd7c bitfield length limit style improvement 2019-04-12 09:12:37 +10:00
Danny Ryan
2468f9fc99 Merge pull request #868 from ethereum/vbuterin-patch-7 
Separate out get_switchover_epoch
 2019-04-11 18:55:39 +10:00
Danny Ryan
9c662ec4c3 fix shard delta for latest shard change 2019-04-11 18:48:05 +10:00
Danny Ryan
b6158e080a Merge branch 'dev' into vbuterin-patch-17 2019-04-11 18:36:15 +10:00
Hsiao-Wei Wang
e2dc12e9f6 Update specs/core/0_beacon-chain.md 
Co-Authored-By: ChihChengLiang <chihchengliang@gmail.com>
 2019-04-10 16:24:05 +08:00
protolambda
509354582c limit bit-length of justification bitfield to strict 64, prevent SSZ encoding crash due to too large integer size 2019-04-10 11:14:22 +10:00
vbuterin
7a1b38a6ad Homogenised start shard 
Alternative presentation to #884, should be substantively equivalent
 2019-04-09 05:52:32 -05:00
Chih Cheng Liang
ffccf742bd replace signed_root with signing_root 2019-04-08 09:57:04 +08:00
Danny Ryan
2baa242ac0 Merge pull request #877 from ethereum/sydney-test-format 
A new more complete test format for ETH 2.0 testing
 2019-04-07 16:23:04 +10:00
protolambda
117e157f29 update comment, fix net naming 2019-04-07 16:21:50 +10:00
vbuterin
199e7849da Clarify lexicographic hash favoring (#881) 2019-04-06 13:07:26 +04:00
terence tsao
5a77e61160 Update 0_beacon-chain.md 2019-04-04 08:11:12 -07:00
Justin
6ca3c64526 Update 0_beacon-chain.md 2019-04-03 23:24:46 +04:00
Justin
76893cafaa Missing typehint for convert_to_indexed 
And some minor cleanups
 2019-04-03 23:22:27 +04:00
protolambda
96ab5a334d Add note on configuration of constants 2019-04-03 13:35:40 +11:00
Danny Ryan
75f0af45bb Merge pull request #873 from ethereum/validator-indices-bug 
minor bug `process_attester_slashings`
 2019-04-02 18:07:30 -06:00
Danny Ryan
014138baab pr feedback 2019-04-03 11:04:12 +11:00
Justin
c4321c7cc7 Update 1_shard-data-chains.md 2019-04-02 22:17:55 +04:00
Danny Ryan
06d005999a fix validator_indicies issue in process_attester_slashing 2019-04-02 13:50:06 +11:00
vbuterin
bb990e9892 Separate out get_switchover_epoch 
So that we can use it in for subkey reveals as well.
 2019-03-31 17:49:02 -05:00
Hsiao-Wei Wang
77b0a4188b Update 1_custody-game.md as well 2019-03-31 22:54:46 +08:00
Justin
e4c3c556d5 Rename "transaction" to "operation" 
Fix #822.
 2019-03-31 09:02:10 +04:00
vbuterin
f5c5c166af Replace custody challenge game with JABS (#812) 
See also #818.

===

* Replace custody challenge game with JABS

Replace the existing proof of custody game with a new game ("Justin's Awesome Bit Sum" or JABS) that works as follows:

* The data `D` is split up into 512-byte chunks `D[0] .... D[n-1]`, and use a mix function `mix(subkey, data) -> {0,1}` (currently the first bit of the hash of `subkey+data`). We calculate `M[i] = (mix(D[0]) + ... + mix(D[i-1])) % 2`, and set the custody bit to `M[n-1]`
* Anyone can challenge by providing the full `M` where `M[n-1]` is not equal to the custody bit
* Anyone can respond to a challenge by providing a specific position in `M` along with a branch of the data where `M[i-1] ^ mix(D[i]) != M[i]`

The maximum size of data is now `2**6` epochs *  `2**6` blocks * `2**14` bytes = `2**26` bytes, so assuming 512-byte mix chunks the maximum mix size is `2**17` bits or `2**14` bytes. The average mix size is `2**8` bytes.
 2019-03-28 22:56:43 +00:00
Justin
1082c68fef Separate document for phase 1 custody game (#818) 
The 1-round custody game has been implemented. Many bugs squashed, and a bunch of polishing done. Miscellaneous known issues (~8 of them) to be resolved in separate, smaller, PRs.
 2019-03-28 22:54:39 +00:00
Danny Ryan
bad03ba554 Merge pull request #848 from wmpea/patch-1 
Minor copyedits to 0_beacon-chain.md
 2019-03-28 13:16:01 -06:00
Danny Ryan
66d5026ffe minor copy edit 2019-03-28 13:15:38 -06:00
Danny Ryan
901478e148 Merge branch 'dev' into JustinDrake-patch-11 2019-03-28 12:14:13 -06:00
Danny Ryan
30e29324e9 Merge pull request #831 from ethereum/vbuterin-patch-3 
Merge attestation verification logic
 2019-03-28 11:33:34 -06:00
Danny Ryan
ba47a8f4c4 remove unused set_bitfield_bit hlper 2019-03-28 11:29:45 -06:00
Danny Ryan
1f657cfec5 remove custody_bitfield from indexedattestation. add two separate arrays for 0 and 1 bit 2019-03-28 11:26:04 -06:00
William M Peaster
458eb99133 Minor copyedits to 0_beacon-chain.md 
Approximately a dozen minor copyediting fixes of non-code text for improved clarity, consistency, and accuracy.
 2019-03-27 14:15:50 -05:00
William M Peaster
b5bf56376b Minor copyediting corrections to 0_beacon-chain.md 
A handful of minor editing changes made to non-code text for the purposes of improved clarity, consistency, and accuracy.
 2019-03-27 14:00:28 -05:00
Danny Ryan
fbb09795ed fix convert_to_indexed custody bitfield bug 2019-03-27 08:31:56 -06:00
Danny Ryan
e9cdcac29e Merge branch 'dev' into JustinDrake-patch-11 2019-03-26 14:09:07 -06:00
Danny Ryan
63e7346cfb standaline -> indexed 2019-03-26 13:40:19 -06:00
Danny Ryan
81e0e494a8 Merge branch 'dev' into vbuterin-patch-3 2019-03-26 13:30:33 -06:00
Danny Ryan
654351faea Merge branch 'dev' into vbuterin-patch-16 2019-03-26 13:04:18 -06:00
Danny Ryan
2c5a68b5b5 remove registry_change options from shuffling functions 2019-03-26 12:32:24 -06:00
Danny Ryan
a8410b8b84 add some attestation tests. fix genesi crosslink bug 2019-03-26 11:27:07 -06:00
Danny Ryan
2c8e9a11e7 Merge branch 'dev' into vbuterin-patch-18 2019-03-26 10:13:17 -06:00
Danny Ryan
c5f1db27f5 Merge branch 'dev' into JustinDrake-patch-7 2019-03-26 07:38:39 -06:00
Justin
87d2618a49 Update 0_beacon-chain.md 2019-03-26 13:21:49 +00:00