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682 Commits

Author SHA1 Message Date
Andreas Fackler e8838f1491 Make protobuf support optional. 
Protobuf support is now only built if the feature
"serialization-protobuf" is enabled.

Close #19
 2018-05-14 17:29:04 +02:00
Andreas Fackler faab03d984
Merge pull request #16 from poanetwork/vk-test-agreement 
Binary Agreement test module
 2018-05-14 14:05:15 +02:00
Vladimir Komendantskiy c1a03c28d1 updated comment and fn name 2018-05-14 12:36:00 +01:00
Vladimir Komendantskiy 50ba18b0dd reduced the set of proposers to 1 2018-05-14 12:36:00 +01:00
Vladimir Komendantskiy 9043b1102f formatting 2018-05-14 12:35:28 +01:00
Vladimir Komendantskiy 8091b6cc1d corrected the test message handling loop termination condition 2018-05-14 12:35:28 +01:00
Vladimir Komendantskiy a20ee74254 added a test for Binary Agreement with 4 proposers 2018-05-14 12:35:28 +01:00
Vladimir Komendantskiy 3d977c8575
Merge pull request #15 from poanetwork/afck--honey-badger 
Start implementing the top-level Honey Badger algorithm.
 2018-05-14 12:20:32 +01:00
Andreas Fackler 71fa32c18f Remove interior mutability. 
The `RwLock` is not needed anymore, since the broadcast implementation
doesn't handle any threading internally.
 2018-05-14 09:35:34 +02:00
Andreas Fackler 0d005ebdc9 Fix build with protobuf 1.6.0. 
Protobuf made backwards-incompatible changes but didn't increment the
major version, thus breaking the build.
 2018-05-12 16:33:54 +02:00
Andreas Fackler 38cdd596a2 Start implementing the top-level Honey Badger algorithm. 
This also contains a few fixes for the `common_subset` module:
* Rename `common_subset::Output` to `Message` to avoid confusing it
  with the value that the algorithm outputs as a result.
* Implement dispatch of messages to the right instance within
  `CommonSubset`, in a way that is transparent to the user.
 2018-05-12 16:09:07 +02:00
Vladimir Komendantskiy a83536dc6f
Merge pull request #14 from poanetwork/afck--types 
Simplify the message types.
 2018-05-10 17:23:08 +01:00
Andreas Fackler 36183b1e27 Simplify the message types. 2018-05-10 17:52:12 +02:00
Andreas Fackler d9febca3c3
Merge pull request #11 from poanetwork/vk-agreement 
The ACS and BA algorithms
 2018-05-10 14:00:45 +02:00
Vladimir Komendantskiy 57ff64cce0 correction: Agreement outputs a value only once 2018-05-10 12:44:33 +01:00
Vladimir Komendantskiy 68e6a7ae2d added the missing agreement broadcast message on epoch change 2018-05-10 12:33:01 +01:00
Vladimir Komendantskiy 49c33d2357 added a dev dependency on rand for CI 2018-05-10 12:10:42 +01:00
Vladimir Komendantskiy fb50e38ead replaced the map of estimated values with only one optional value for the current epoch 2018-05-10 12:09:22 +01:00
Vladimir Komendantskiy cf33bac533 added the proposer ID to common_subset::handle_broadcast and mae it an interface fn 2018-05-10 11:01:25 +01:00
Vladimir Komendantskiy 51ef11b55c fixed the count of matching AUX messages 2018-05-10 10:07:22 +01:00
Vladimir Komendantskiy 259d5369b0 corrected the count of AUX messages 2018-05-10 10:07:22 +01:00
Vladimir Komendantskiy b6a6bb35ea clear the received AUX messages on every epoch update 2018-05-10 10:07:22 +01:00
Vladimir Komendantskiy e0005a672b removed the separate field in Agreement and corrected computation of estimated values 2018-05-10 10:07:22 +01:00
Vladimir Komendantskiy 3e35cc665b added element_proposer_id to the Agreement input to the Common Subset algorithm 2018-05-10 10:07:22 +01:00
Vladimir Komendantskiy 394462c88b changed code according to review comments 2018-05-10 10:07:22 +01:00
Vladimir Komendantskiy 2205f9083e added a TODO file and changed indentation in the .proto file 2018-05-10 10:02:03 +01:00
Vladimir Komendantskiy 5215156ec5 defined the output from the Common Subset algorithm 2018-05-10 10:02:03 +01:00
Vladimir Komendantskiy d3b974f888 Binary Agreement implementation and its wiring into Common Subset 2018-05-10 10:02:03 +01:00
Vladimir Komendantskiy 7748c9073b
Merge pull request #13 from poanetwork/afck--remove-channels 
Fix broadcast and example, enable more tests.
 2018-05-09 16:47:01 +01:00
Andreas Fackler 43ada2dcc4 Add a fifth node to the example script. 2018-05-09 14:42:29 +02:00
Andreas Fackler 047307be46 Revert to earlier ProtoIo implementation. 
This fixes the issue where sometimes messages were skipped.
 2018-05-09 14:18:12 +02:00
Andreas Fackler c790a1feba Improve example logging, add BinaryPath. 2018-05-09 13:38:49 +02:00
Andreas Fackler b98bbe9dcd Fix broadcast and example, enable more tests. 
This fixes several issues with the broadcast algorithm and enables the
previously ignored tests that now pass:
* Don't decide on a root hash based on anyone's `Echo` message.
* Work around the `merkle` crate's inability to produce the proof of the
  `i`-th leaf for a given index `i`.
* Ignore messages from unknown nodes.
* Avoid decoding multiple times.
* Document the full algorithm.
* Don't count multiple `Echo` or `Ready` messages coming from the same
  node.
* Fix index computation for a given proof.
* Move `BroadcastMessage` into `broadcast` to make the module more
  self-contained.

The example now only executes a single broadcast instance, expecting the
first node (the one with the lexicographically lowest address) to
propose a value. A shell script is added that runs for example nodes.

Use env_logger instead of simple_logger, so the log level can be controlled
with an environment variable. You can e.g. log all output from the broadcast
test and the crate itself in debug mode with:
RUST_LOG=hbbft=debug,broadcast=debug

Some debugging messages are more concise now and use hexadecimal
notation instead of printing arrays of decimal values.

An indentation error in the Travis script is also fixed.
 2018-05-08 17:04:38 +02:00
Vladimir Komendantskiy 8af526d61f
Merge pull request #9 from DrPeterVanNostrand/master 
Update readme with build instructions
 2018-05-07 09:39:55 +01:00
Peter van Nostrand b489d06ddb Updated readme. 2018-05-06 20:25:41 -04:00
Peter van Nostrand e27d9b481d Updated readme with protoc install instructions for Debain 9 and Ubuntu 17. 2018-05-06 20:24:28 -04:00
Peter van Nostrand a6901b9be1 Merge remote-tracking branch 'upstream/master' 2018-05-06 19:32:15 -04:00
Vladimir Komendantskiy dda1570bfc Merge branch 'afck--examples' of github.com:poanetwork/hbbft 2018-05-06 22:49:41 +01:00
Andreas Fackler eec3102cbf Move node to examples, deduplicate code. 2018-05-05 17:54:29 +02:00
Andreas Fackler 7826987af1 added a Travis configuration file, fixed Clippy lints 2018-05-05 09:53:29 +02:00
Peter van Nostrand 817b2da962 Fixed merge conflict in readme. 2018-05-04 12:18:57 -04:00
Peter van Nostrand af2022cfd2 Added build instructions to readme. 2018-05-04 12:11:49 -04:00
Igor Barinov 0732e0bac8
Update README.md 2018-05-04 11:56:38 -04:00
Andreas Fackler e2cd4ca1b7 added (ignored) regression tests for some of the broadcast issues 2018-05-04 11:14:19 +02:00
Andreas Fackler 8bced81438 removed some unnecessary cloning 
This also adds a few TODOs to the broadcast implementation: Some of
these issues need a regression test. (Oh, and a fix!)
 2018-05-04 09:58:21 +02:00
Vladimir Komendantskiy cde3a879e5 modified Agreement::set_input to output a BVAL message 2018-05-03 10:13:41 +01:00
Vladimir Komendantskiy d64dec2bd1 added Agreement message type and protobuf boilerplate 2018-05-03 10:10:35 +01:00
Andreas Fackler babbd2f36a fixed broadcast failure with malicious value proposal 2018-05-03 11:07:37 +03:00
Andreas Fackler 0f3377c8e9 made broadcast handle its own echo and value messages 2018-05-03 08:47:31 +03:00
Vladimir Komendantskiy 13407c8774 Merge branch 'master' of github.com:poanetwork/hbbft 2018-05-02 15:47:54 +01:00