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1830 Commits

Author SHA1 Message Date
Danny Ryan fbd0bb9226
withdrwaal_key uses pubkey 2019-03-19 09:56:04 -06:00
Hsiao-Wei Wang d645a9a038
ensure run verify-state root with block 
Co-Authored-By: djrtwo <dannyjryan@gmail.com>
 2019-03-19 09:49:32 -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
Hsiao-Wei Wang 8fc1fe5f20
Use `EMPTY_SIGNATURE` and `ZERO_HASH` in the tests 2019-03-19 11:46:32 +08:00
Hsiao-Wei Wang a07219c570
Fix linter 2019-03-19 11:39:19 +08:00
Danny Ryan 4440be4e1f
add comment to Makefile 2019-03-18 16:30:16 -06:00
Danny Ryan 55c337a35c
seperate tests 'sanity' and 'minimal-config' vs all 2019-03-18 16:20:24 -06:00
Danny Ryan d9ac06e8ed
remove build from git 2019-03-18 14:16:04 -06:00
Danny Ryan 6715a0d4cc
reconfigure build a bit 2019-03-18 14:14:26 -06:00
Justin 0039613628
Simplify exit_validator 
Minor cleanup
 2019-03-18 19:08:41 +00:00
Danny Ryan f41caa713b
add circleci config 2019-03-18 13:06:45 -06:00
Danny Ryan 839590b5f4
initial pytests passing 2019-03-18 12:51:52 -06:00
Danny Ryan 828dd455ba
add basic dependencies and build script for phase0 testing 2019-03-18 10:18:57 -06:00
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
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
Danny Ryan 15bf3c4258
Merge pull request #771 from terenc3t/patch-55 
Fix validator toc links
 2019-03-13 20:29:39 -06:00
terence tsao c30018a716
Update 0_beacon-chain-validator.md 2019-03-13 18:45:52 -07:00