CodeChain's official implementation in Rust.

CodeChain

Last update: Dec 21, 2022

Related tags

Cryptography rust blockchain asset tokenization digital-securities

Overview

CodeChain

CodeChain is a programmable open source blockchain technology optimal for developing and customizing multi-asset management systems.

Build

Download CodeChain code

git clone [email protected]:CodeChain-io/codechain.git
cd codechain

Build in release mode

cargo build --release

This will produce an executable in the ./target/release directory.

Setup

Using Docker

CodeChain supports the use of Docker to provide an easy and seamless installation process by providing a single package that gives the user everything he/she needs to get CodeChain up and running. In order to get the installation package, run the following command after installing Docker:

docker build -f docker/ubuntu/Dockerfile --tag kodebox/codechain:branch_or_tag_name .

WSL users may find difficulty in using Docker, and thus, it is highly recommended to use Ubuntu, or install Docker for Windows. When using Docker for Windows, it is necessary to enable Hyper-V in BIOS settings.

To see the Docker images created, run the following:

docker images

It will result in something like this:

REPOSITORY               TAG                  IMAGE ID            CREATED              SIZE
kodebox/codechain        branch_or_tag_name   6f8474d9bc7a        About a minute ago   1.85GB
ubuntu                   14.04                971bb384a50a        6 days ago           188MB

If you want to run the first image file, run the following command:

docker run -it kodebox/codechain:branch_or_tag_name

This should result in CodeChain running.

Making local database and keys persistent

CodeChain depends on the local database and keys commonly stored under the directories keys and db. A Docker container is independent of host environment and other Docker images. Therefore, when running a new Docker container with an image with a new CodeChain version or even with the same image, the database and keys are not persistent. To solve the problem, one can take advantage of the Docker's volume option. With the command below,

docker run -it -v codechain-db-vol:/app/codechain/db -v codechain-keys-vol:/app/codechain/keys kodebox/codechain:branch_or_tag_name

one can mount the volume codechain-db-vol into /app/db and the volume codechain-keys-vol into /app/keys in the container. This command will automatically create volumes if existing volumes with specified names do not exist. Because the default working directory specified in Dockerfile is /app/codechain, the default db and keys path are /app/codechain/db and app/codechian/keys. One can also customize the paths with CodeChain cli arguments base-path, key-path and db-path.

docker run -it -v codechain-db-vol:custom_base_path/db -v codechain-keys-vol:custom_base_path/keys kodebox/codechain:branch_or_tag_name --base-path custom_base_path

docker run -it -v codechain-db-vol:custom_db_path -v codechain-keys-vol:custom_keys_path kodebox/codechain:branch_or_tag_name --db-path custom_db_path --keys-path custom_keys_path

With the methods above, node organizers can manage their local persistent data using docker images.

Building From Source

Build Dependencies

CodeChain requires Rust version 1.40.0 to build. Using rustup is recommended.

For Linux Systems:
- Ubuntu
  
  cmake, gcc, g++ and make are required for installing packages.
```
$ curl https://sh.rustup.rs -sSf | sh
```
For Mac Systems:
- MacOS 10.13.2 (17C88) tested
  
  cmake and clang are required for installing packages.
```
$ curl https://sh.rustup.rs -sSf | sh
```
For Windows Systems:
- Currently not supported for Windows. If on a Windows system, please install WSL to continue as Ubuntu.

Please make sure that all of the binaries above are included in your PATH. These conditions must be fulfilled before building CodeChain from source.

Download CodeChain's source code and go into its directory.

git clone [email protected]:CodeChain-io/codechain.git
cd codechain

Build as Release Version

cargo build --release

This will produce an executable in the ./target/release directory.

Using CodeChain SDK

Before starting to use the CodeChain SDK, please install node.js by going to this page.

Next, install the package with the following command:

npm install codechain-sdk or yarn add codechain-sdk

Run

To run CodeChain, just run

./target/release/codechain -c solo

You can create a block by sending a transaction through JSON-RPC or JavaScript SDK.

Formatting

Make sure you run rustfmt before creating a PR to the repo. You need to install the nightly-2019-12-19 version of rustfmt.

rustup toolchain install nightly-2019-12-19
rustup component add rustfmt --toolchain nightly-2019-12-19

To run rustfmt,

cargo +nightly-2019-12-19 fmt

Linting

You should run clippy also. This is a lint tool for rust. It suggests more efficient/readable code. You can see the clippy document for more information. You need to install the nightly-2019-12-19 version of clippy.

Install

rustup toolchain install nightly-2019-12-19
rustup component add clippy --toolchain nightly-2019-12-19

Run

cargo +nightly-2019-12-19 clippy --all --all-targets

Testing

Developers are strongly encouraged to write unit tests for new code, and to submit new unit tests for old code. Unit tests can be compiled and run with: cargo test --all. For more details, please reference Unit Tests.

License

CodeChain is licensed under the AGPL License - see the LICENSE file for details

Comments

CodeChain crashes on SIGINT

$ cargo run
    Finished dev [unoptimized + debuginfo] target(s) in 0.17s
     Running `target/debug/codechain`
#469691130 2018-07-09 17:19:56  main INFO codechain  Starting client
#469691130 2018-07-09 17:19:57  main INFO codechain  Handshake Listening on 3485
#469691130 2018-07-09 17:19:57  main INFO discovery  Node runs with unstructured discovery
#469691130 2018-07-09 17:19:57  main INFO codechain  RPC Listening on 8080
#469691130 2018-07-09 17:19:57  IO Worker #1 INFO sync  Sync extension initialized
#469691130 2018-07-09 17:19:57  main INFO codechain  IPC Listening on /tmp/jsonrpc.ipc
#469691130 2018-07-09 17:19:57  main INFO test_script  Initialization complete
^Cpure virtual method called
terminate called without an active exception
Aborted (core dumped)

I bisected and it seems 9447945867d907589c9ef8313a3308e3467b4e37 caused this issue.

bug cli

opened by sgkim126 14

Fix the integration test that tests block sync between 2 nodes

Observations:

  ● 2 nodes › A-B diverged › nodeA becomes ahead › It should be synced when A-B connected

    Failed: Object {
      "code": -32031,
      "data": "ParcelAlreadyImported",
      "message": "Already Imported",
    }

      84 |
      85 |     describe("nodeA becomes ahead", () => {
    > 86 |       beforeEach(async () => {
         |       ^
      87 |         await nodeA.sendSignedParcel();
      88 |         expect(await nodeA.getBestBlockNumber()).toEqual(await nodeB.getBestBlockNumber() + 1);
      89 |       });

      at Env.beforeEach (node_modules/jest-jasmine2/build/jasmine_async.js:55:24)
      at Suite.describe (src/integration/sync.test.ts:86:7)
      at Suite.describe (src/integration/sync.test.ts:85:5)

  ● 2 nodes › A-B diverged › nodeA becomes ahead › It should be synced when A-B connected

    CodeChain exited with code 1

      84 |         })
      85 |         .on("close", (code, _signal) => {
    > 86 |           reject(Error(`CodeChain exited with code ${code}`));
         |                  ^
      87 |         });
      88 |
      89 |       const readline = createReadline({ input: this.process!.stderr });

      at ChildProcess.process.on.on (src/helper/spawn.ts:86:18)

bug sync test

opened by joojis 13

Early stage of sync is slow with many 'AlreadyQueued' log
#!/usr/bin/env bash set -e cargo build --release export ENABLE_DELEGATIONS=true export ENABLE_ORDER=true export RUST_LOG=info,mio=warn,tokio=warn,hyper=warn,rpc=info ./target/release/codechain -c corgi --jsonrpc-port 8080 --port 3485 --enable-devel-api --no-miner --no-discovery --bootstrap-addresses $BOOTSTRAP

Sync on corgi is slow (less than few dozens per sec) on its early stage (less than 10000 blocks). After that suspicious logs such as 'AlreadyQueued' is reduced and synchronization speed become more faster (few hundreds per sec).

It is not an accurate report. We should investigate more on this. sgkim suggested --no-tx-relay would help to speed up, but it seems not.
sync performance
opened by foriequal0 12
Enhance Tendermint gossip

We are now using push-based gossip. Since push-based gossip cannot get votes when it is needed, the node should keep future messages without verification, and that makes the code too complicated.

Changing the gossip to ignore future messages and receive only valid messages at current state makes the code simpler.
consensus performance

opened by majecty 11
Upgrade fixed-hash

Currently, CodeChain uses [email protected] that has a duplicated macro definition. The duplicated macro makes the latest clippy fail, so we should upgrade it to 0.2.5. You can read https://doc.rust-lang.org/cargo/commands/cargo-update.html to find how to do it.
good first issue foundry

opened by sgkim126 10
Change signer public to signer index on Tendermint messages
VoteCollector now stores index(usize) instead of Public. EngineError::NotAuthorized is split to two: BlockNotAuthorized and MessageNotAuthorized. Because messages only have the index of the signer while blocks has the author field.

I'm concerned about two points:

Is it good to put the indices of the signers of the precommits on the block? This will improve the speed of verification because it'll use verify instead of recover.

Is validators are thread-safe? (Search for self.validators and t.validators.)

consensus
opened by hyunsikjeong 10
Proposal for chain_getPossibleAuthors
I want to propose the new RPC chain_getPossibleAuthors. Currently, there is no way to get the validator list. To generalize this, I want to add an RPC to get the authors that can be author of the block.

The purpose of this RPC is returning the sets of the account that can generate the blocks at the given block number. It will return three of one.

[]

It returns an empty list if anyone can be the block author.

PoW chain will return an empty list always.

PlatformAddress[]

Only some accounts can be the block author in PoA or Tendermint.

CodeChain will return the accounts that can be a block author in the given block number.

null

The node returns null if it cannot calculate the possible author set.

If the chain supports dynamic validators and the given block number is larger than the next block, the node cannot calculate the possible author set.

Params

block number: number | null

null means the possible authors of the next block.

Returns

null | PlatformAddress[]
rpc
opened by sgkim126 9
Add reseal timer to miner
Remove global codechain-timer types in codechain-network Now, codechain-timer is not an external package.

Add timer to the client To resolve #239, resolve #613

miner
opened by hyunsikjeong 9
Move PRs from Foundry
@dynaxis @sgkim126 @Byeongjee @junbeomlee @MSNTCS Could you check the commits you made? I moved commits from Foundty to CodeChain. Please tell me if there are omitted commits that should be moved to CodeChain or if I moved commits that should not be moved.

I run tests on my local machine. There are some flaky tests. If I run the tests multiple times, they eventually succeed.

I've moved refactoring and bug fix PRs from Foundry to CodeChain

Execute self-nomination transactions on a new thread https://github.com/CodeChain-io/foundry/pull/98 @MSNTCS

Refactor BodyDownloader https://github.com/CodeChain-io/foundry/pull/116 @sgkim126

Add RPCs for checking peer best blocks & target blocks https://github.com/CodeChain-io/foundry/pull/117 @Byeongjee

Fix auto-self-nonimante https://github.com/CodeChain-io/foundry/pull/118 @majecty

Add an RPC getting minimum fees confiugred by each machine https://github.com/CodeChain-io/foundry/pull/127 @Byeongjee

Remove duplicated TermInfo https://github.com/CodeChain-io/foundry/pull/135 @majecty

Change constants to enumerations https://github.com/CodeChain-io/foundry/pull/136 @sgkim126

Fix typos https://github.com/CodeChain-io/foundry/pull/138 @Byeongjee

Upgrade codechain-crypto to 0.2.0 https://github.com/CodeChain-io/foundry/pull/141 @sgkim126

Fix typo https://github.com/CodeChain-io/foundry/pull/152 @Byeongjee

Report double votes in commit messages. https://github.com/CodeChain-io/foundry/pull/181 @Byeongjee

Fix typo in test helper's constants https://github.com/CodeChain-io/foundry/pull/224 Seonpyo

Assign unbound port numbers in test instances https://github.com/CodeChain-io/foundry/pull/255 @Byeongjee

Fix a wrong argument name https://github.com/CodeChain-io/foundry/pull/270 @Byeongjee

Remove ChainNotify::transactions_received() https://github.com/CodeChain-io/foundry/pull/282 @sgkim126

Fix wrong debug message https://github.com/CodeChain-io/foundry/pull/293 @Byeongjee

Change the error message that Foundry prints when account is not unlocked https://github.com/CodeChain-io/foundry/pull/294 @majecty

Disconnect a socket If Foundry meets EOF while reading the socket https://github.com/CodeChain-io/foundry/pull/309 @majecty

Remove unused dependencies in the sync module https://github.com/CodeChain-io/foundry/pull/313 @majecty

Cleanup code by removing unnecessary code https://github.com/CodeChain-io/foundry/pull/315 @sgkim126

Use ctypes::Header instead of encoded::Header in HeaderDownloader https://github.com/CodeChain-io/foundry/pull/325 @majecty

Remove unnecessary initialization of genesis header extra data https://github.com/CodeChain-io/foundry/pull/329 @Byeongjee

Remove unused verification code https://github.com/CodeChain-io/foundry/pull/330 @majecty

Remove unnecessary serialize/deserialize while calling import_header https://github.com/CodeChain-io/foundry/pull/331 @majecty

Rename import functions https://github.com/CodeChain-io/foundry/pull/332 @majecty

Simplify miner, client and block. https://github.com/CodeChain-io/foundry/pull/333 @sgkim126

Run mock tests https://github.com/CodeChain-io/foundry/pull/369 @majecty

Fix header RLP encoding in mock code https://github.com/CodeChain-io/foundry/pull/376 @majecty

Fix few things in test code https://github.com/CodeChain-io/foundry/pull/398 @majecty

Make the client hold the miner directly https://github.com/CodeChain-io/foundry/pull/410 @sgkim126

Upgrade parking_lot to 0.11.0 https://github.com/CodeChain-io/foundry/pull/435 @junha1

Upgrade vergen 3 https://github.com/CodeChain-io/foundry/pull/436 @dynaxis
opened by majecty 7
Remove unused epoch-related code

This patch should not introduce breaking-change. I'll check that by synchronizing with the testnet. Resolve: https://github.com/CodeChain-io/codechain/issues/1507
consensus

opened by foriequal0 7
Fix Tendermint timeout token nonce generation to be atomic
Fix nonce generation to be atomic Atomic types should use fetch_* atomic operations.

Move timeout_token_nonce to TendermintExtension from Tendermint.

Fix nonce expiration check

More explanation to 3., on fn on_timeout(&self, token: usize), nonce expiration was not worked as expected since token starts from ENGINE_TIMEOUT_TOKEN, while timeout_token_counter is starts from 0. ENGINE_TIMEOUT_TOKEN was 23, so the expiration check will simply become if 23 + i < 0 + i { return }

Merge after: https://github.com/CodeChain-io/codechain/pull/1038 This is a separate patch with #1038, but this is too close to it, so this might cause conflicts.
opened by foriequal0 7
Bump qs from 6.5.2 to 6.5.3 in /test
Bumps qs from 6.5.2 to 6.5.3.

Changelog

Sourced from qs's changelog.

6.5.3

[Fix] parse: ignore __proto__ keys (#428)

[Fix] utils.merge: avoid a crash with a null target and a truthy non-array source

[Fix] correctly parse nested arrays

[Fix] stringify: fix a crash with strictNullHandling and a custom filter/serializeDate (#279)

[Fix] utils: merge: fix crash when source is a truthy primitive & no options are provided

[Fix] when parseArrays is false, properly handle keys ending in []

[Fix] fix for an impossible situation: when the formatter is called with a non-string value

[Fix] utils.merge: avoid a crash with a null target and an array source

[Refactor] utils: reduce observable [[Get]]s

[Refactor] use cached Array.isArray

[Refactor] stringify: Avoid arr = arr.concat(...), push to the existing instance (#269)

[Refactor] parse: only need to reassign the var once

[Robustness] stringify: avoid relying on a global undefined (#427)

[readme] remove travis badge; add github actions/codecov badges; update URLs

[Docs] Clean up license text so it’s properly detected as BSD-3-Clause

[Docs] Clarify the need for "arrayLimit" option

[meta] fix README.md (#399)

[meta] add FUNDING.yml

[actions] backport actions from main

[Tests] always use String(x) over x.toString()

[Tests] remove nonexistent tape option

[Dev Deps] backport from main

Commits

298bfa5 v6.5.3

ed0f5dc [Fix] parse: ignore __proto__ keys (#428)

691e739 [Robustness] stringify: avoid relying on a global undefined (#427)

1072d57 [readme] remove travis badge; add github actions/codecov badges; update URLs

12ac1c4 [meta] fix README.md (#399)

0338716 [actions] backport actions from main

5639c20 Clean up license text so it’s properly detected as BSD-3-Clause

51b8a0b add FUNDING.yml

45f6759 [Fix] fix for an impossible situation: when the formatter is called with a no...

f814a7f [Dev Deps] backport from main

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dependencies javascript
opened by dependabot[bot] 0
Bump node-fetch from 2.6.1 to 2.6.7 in /test
Bumps node-fetch from 2.6.1 to 2.6.7.

Release notes

Sourced from node-fetch's releases.

v2.6.7

Security patch release

Recommended to upgrade, to not leak sensitive cookie and authentication header information to 3th party host while a redirect occurred

What's Changed

fix: don't forward secure headers to 3th party by @jimmywarting in node-fetch/node-fetch#1453

Full Changelog: https://github.com/node-fetch/node-fetch/compare/v2.6.6...v2.6.7

v2.6.6

What's Changed

fix(URL): prefer built in URL version when available and fallback to whatwg by @jimmywarting in node-fetch/node-fetch#1352

Full Changelog: https://github.com/node-fetch/node-fetch/compare/v2.6.5...v2.6.6

v2.6.2

fixed main path in package.json

Commits

1ef4b56 backport of #1449 (#1453)

8fe5c4e 2.x: Specify encoding as an optional peer dependency in package.json (#1310)

f56b0c6 fix(URL): prefer built in URL version when available and fallback to whatwg (...

b5417ae fix: import whatwg-url in a way compatible with ESM Node (#1303)

18193c5 fix v2.6.3 that did not sending query params (#1301)

ace7536 fix: properly encode url with unicode characters (#1291)

152214c Fix(package.json): Corrected main file path in package.json (#1274)

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dependencies javascript
opened by dependabot[bot] 0
Bump net2 from 0.2.32 to 0.2.37
Bumps net2 from 0.2.32 to 0.2.37.

Commits

a183475 Release v0.2.37

6081dff haiku: Fix sockaddr_in/sockaddr_in6; Solves #108

71708b7 Release v0.2.36

49b43f2 Do not assume memory layout of std::net::SocketAddr

77a6eb4 Release v0.2.35

eeeab13 Add support for Haiku

1e91530 Release v0.2.34

89945eb Make cargo packaging explicit

fe62962 Clean up trailing whitespace

67ec2c1 Update URLs in Cargo.toml

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dependencies rust
opened by dependabot[bot] 0
Bump miow from 0.2.1 to 0.2.2
Bumps miow from 0.2.1 to 0.2.2.

Commits

6fd7b9c Bump version to 0.2.2

550efc2 Merge branch 'fix-sockaddr-convertion-v0.2.x' into 0.2.x

ca8db53 Stop using from_ne_bytes to be compatible with Rust < 1.32.0

3e217e3 Bump net2 dep to 0.2.36 without invalid SocketAddr convertion

27b77cc Adapt to winapi 0.2

2783715 Safely convert SocketAddr into raw SOCKADDR

f6662ef Clarify wording of license information in README.

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dependencies rust
opened by dependabot[bot] 0
Bump crossbeam-channel from 0.3.8 to 0.4.4
Bumps crossbeam-channel from 0.3.8 to 0.4.4.

Changelog

Sourced from crossbeam-channel's changelog.

Version 0.8.1

Support targets that do not have atomic CAS on stable Rust (#698)

Version 0.8.0

Bump the minimum supported Rust version to 1.36.

Bump crossbeam-channel to 0.5.

Bump crossbeam-deque to 0.8.

Bump crossbeam-epoch to 0.9.

Bump crossbeam-queue to 0.3.

Bump crossbeam-utils to 0.8.

Version 0.7.3

Fix breakage with nightly feature due to rust-lang/rust#65214.

Bump crossbeam-channel to 0.4.

Bump crossbeam-epoch to 0.8.

Bump crossbeam-queue to 0.2.

Bump crossbeam-utils to 0.7.

Version 0.7.2

Bump crossbeam-channel to 0.3.9.

Bump crossbeam-epoch to 0.7.2.

Bump crossbeam-utils to 0.6.6.

Version 0.7.1

Bump crossbeam-utils to 0.6.5.

Version 0.7.0

Remove ArcCell, MsQueue, and TreiberStack.

Change the interface of ShardedLock to match RwLock.

Add SegQueue::len().

Rename SegQueue::try_pop() to SegQueue::pop().

Change the return type of SegQueue::pop() to Result.

Introduce ArrayQueue.

Update dependencies.

Version 0.6.0

Update dependencies.

Version 0.5.0

Update crossbeam-channel to 0.3.

Update crossbeam-utils to 0.6.

Add AtomicCell, SharedLock, and WaitGroup.

... (truncated)

Commits

48b13dc Bump crossbeam-channel to v0.4.4

679dac8 Bump crossbeam-channel to v0.4.3

f652c6a Change crossbeam-channel's license to MIT OR Apache-2.0.

149a3c9 Release crossbeam-queue 0.2.3

18363b5 Merge #476

e32c891 Release new versions

6d6591a Merge #474

528c3ca Undo bump of rand as it bumps MSRV

78043c7 Bump crossbeam to 0.7.4

640cec2 Bump crossbeam-deque to 0.7.3

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dependencies rust
opened by dependabot[bot] 0
Bump socket2 from 0.3.6 to 0.3.19
Bumps socket2 from 0.3.6 to 0.3.19.

Changelog

Sourced from socket2's changelog.

0.4.5

Changed

Replace winapi dependency with windows-sys (rust-lang/socket2#303).

Added

Socket::join_ssm_v4 and Socket::leave_ssm_v4 (rust-lang/socket2#298).

Socket::set_recv_tos and Socket::recv_tos (rust-lang/socket2#299).

Fixed

Fix OpenBSD build (rust-lang/socket2#291).

Fix OpenBSD build (rust-lang/socket2#291).

0.4.4

Fixed

Libc v0.2.114 fixed an issue where ip_mreqn where was not defined for Linux s390x.

0.4.3 (yanked)

Added

Socket::set_fib: sets SO_SETFIB (rust-lang/socket2#271).

Socket::attach_filter, SO_ATTACH_FILTER (https://github.com/rust-lang/socket2/commit/6601ed132b37d6e9d178b34918bfb0b236800232).

Socket::detach_filter, SO_DETACH_FILTER (https://github.com/rust-lang/socket2/commit/6601ed132b37d6e9d178b34918bfb0b236800232).

Socket::{header_included, set_header_included}: sets or gets IP_HDRINCL (https://github.com/rust-lang/socket2/commit/f9e882ee53c0b4e89c5043b6d709af95c9db5599).

Socket::{cork, set_cork}: sets or gets TCP_CORK (https://github.com/rust-lang/socket2/commit/50f31f18aac8fd6ef277df2906adeeed9fa391de).

Socket::{quickack, set_quickack}: sets or gets TCP_QUICKACK (https://github.com/rust-lang/socket2/commit/849eee2abc5d5170d2d3bc635386a2ba13b04530).

Socket::{thin_linear_timeouts, set_thin_linear_timeouts}: sets or gets TCP_THIN_LINEAR_TIMEOUTS (https://github.com/rust-lang/socket2/commit/24c231ca463a17f51e53e7a554c7915a95bdbcc7).

Socket::{join_multicast_v4_n, leave_multicast_v4_n}: extends the existing multicast API by allowing an index to be used (in addition to an address) (https://github.com/rust-lang/socket2/commit/750f83618b967c620bbfdf6ca04de7362bdb42b5).

0.4.2

... (truncated)

Commits

c991f80 Release v0.3.19

1dfd15d Add Socket::(bind_)device

beeebd0 Release v0.3.18

a0053b5 Backport redox compilation to 0.3

3b4214d Fix compilation on Haiku

7312f81 Release v0.3.17

930c9a9 Additional Linux socket options

06a2510 [0.3] Update cfg-if to 1.0

73d54bb Release v0.3.16

d2c15de Don't assume memory layout of std::net::SocketAddr

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dependencies rust
opened by dependabot[bot] 0

Releases(v2.2.5)

v2.2.5(Nov 25, 2020)
| OS | Binary | SHA256 | |-------|---------------------------|------------| | Linux | codechain-2.2.5-x86_64-linux.tar.gz | 2625cfd21b93f67f0b5296652c9bdfd02432d83b0f0d2501627ed051c6c29eb7 | | OS X | | |

Do not send email too frequently #1994

Bump the vulnerable dependencies #1985

Source code(tar.gz)
Source code(zip)
codechain-2.2.5-x86_64-linux.tar.gz(7.49 MB)
v2.2.4(Aug 18, 2020)
| OS | Binary | SHA256 | |-------|---------------------------|------------| | Linux | codechain-2.2.4-x86_64-linux.tar.gz | 42c1c57daf00de7d942013027c08f7164481f04a80706453180d7ec05fa108ee | | OS X | codechain-2.2.4-x86_64-darwin.tar.gz | 510d6cc9e404fc9716ca6c52c9c87c91813b9e5536f03cd84853026ac5b00b59 |

Fix a deadlock in miner.rs #1968

Fetch consistent state in mempool functions #1976

Report double votes in commit messages #1984

Source code(tar.gz)
Source code(zip)
v2.2.1(Nov 20, 2019)
| OS | Binary | SHA256 | |-------|---------------------------|------------| | Linux | codechain-2.2.1-x86_64-linux.tar.gz | 7fcfd6ad128b856ef6f86c437ac03a811aaea4da54da73eea997657c581db895 | | OS X | codechain-2.2.1-x86_64-darwin.tar.gz | 7665e2d249060b9d9667d945bed1d047ae38a006b8db74d6df5af78a1e6f8bd8 |

~~Set finalized_view to None when restoring in the Commit step https://github.com/CodeChain-io/codechain/pull/1866~~ Reverted, and replaced by #1871

Do not assert the finalized_view while restoring https://github.com/CodeChain-io/codechain/pull/1871

Misc:

Update build task to follow the release process #1858

PR for this release: https://github.com/CodeChain-io/codechain/pull/1867
Source code(tar.gz)
Source code(zip)
v2.2.0(Nov 11, 2019)
| OS | Binary | SHA256 | |-------|---------------------------|------------| | Linux | codechain-2.2.0-x86_64-linux.tar.gz | 025f285934dd1499d68c44a5565d0b5f09139a1e9040357492d390546cc3d16d | | OS X | codechain-2.2.0-x86_64-darwin.tar.gz | 36bfceaff8f835262264c1b6045dc28037f2f6b3a2b7e5f90bbb55d0f536a9f8 |

Try to unlock account only when it is imported #1798

Block double vote attempts #1799 #1800 #1801

Do not generate a seal if the block is generated from a past view #1807

Recover TendermintState when empty the proposal timer is fired in a wrong time #1808

Fix the condition to check whether the new block could change the best block #1811

Block malicous users #1434

Enable all grandchild of the best block to become a best proposal block #1813

Fix crashes on SIGINT #1814

Fix the view calculation bug #1820

Distingush BlockHash and Tracker from H256 #1829

Extract packages

the crypto module #1803

secp256k1 #1809

Upgrade, updates

Upgrade rust to 1.37.0 #1806

Update clippy and rustfmt #1821

Upgrade url 1.7.2 #1810

Upgrade jsonrpc version to 14.0.3 #1830

Update README to correspond to rust toolchains #1825

Misc

Enable IPC in production build #1802

Fix typo in meatdata #1812

Source code(tar.gz)
Source code(zip)
v2.1.0(Oct 2, 2019)
| OS | Binary | SHA256 | |-------|---------------------------|------------| | Linux | codechain-2.1.0-x86_64-linux.tar.gz | 49c365794ff66cefbf6b4f258406f53be820c8d07a4e1ec1e342a884b27de880 | | OS X | codechain-2.1.0-x86_64-darwin.tar.gz | ad9d3ff0eafe13e36ac26c80768d27e5482aa8ee58147fa38015fa2c96e17008 |

Turn on lto for the release build #1757

Move to Commit state if enough precommits are collected #1771

Fix a step regression bug in Tendermint::worker::new_blocks #1772

Add Commit message in Tendermint #1770

Fix possible regression issue caused by ProposeWaitEmptyBlockTimer #1774

Remove compose and decompose transaction #1775

Import following downloaded blocks if the preceding block is already queued #1786

If the best block is not changed don't move to the next height #1789

Call new_blocks even though block verification queue is not empty

Fill the missing fields in the Transaction spec #1790

Remove order #1782

Remove locks in VoteCollector #1797

Stop generating block if consensus cannot make a seal #1792

Handle multiple proposals in a view correctly in Tendermint #1793

Make the order of votes consistent

Do not panic when height, view or step is changed while creating a block #1795

Source code(tar.gz)
Source code(zip)
v2.0.0(Aug 30, 2019)
| OS | Binary | SHA256 | |-------|---------------------------|------------| | Linux | codechain-2.0.0-x86_64-linux.tar.gz | ceeb1618881c69087413571c679affa01a12436ed2467d0eb3504c1c8c7152d1 | | OS X | codechain-2.0.0-x86_64-darwin.tar.gz | f61e6fd9f23cf3a89ea9f491126829be679878ef2f5490fd5003ededde9ef219 |

Store CommonParams in the states

Make the acceptable time gaps configurable #1512

Use the child of the best header to verify transactions #1545

Postpone the verification that needs CommonParams until runtime #1546

Fix chain_getMinTransactionFee to take null as the block number #1549

Fix the bug that doesn't store the tracker of WCCC #1547

Store the term id in the states

Implement the ChangeParams transaction

Implement chain_getCommonParams RPC #1604

Implement chain_getTermMetadata #1604

Make the sync module release memory aggressively #1585

Implement chain_getPossibleAuthors #1618

Fix a bug that Tendermint fails when a locked proposal is not imported #1626

Implement chain_getMetadataSeq #1636

Make the validator to refuse the block that has the same timestamp with the parent #1647

Implement chain_getTransactionSigner #1661

Make the order be able to have the same type of "fee asset" and "from asset" or the same type of "fee asset" and "to asset."

Reduce tendermint timeouts #1756

Fix the memory leak in the block sync process (#1749, #1753, #1755)

Punish a validator who voted two different blocks in the same round (#1640)

Source code(tar.gz)
Source code(zip)
v1.4.0(May 30, 2019)
Do not prevote to the block with irrelevant generation time #1512

Change the name of verification threads

Add email alarm feature #1561 #1571

| OS | Binary | SHA256 | |-------|---------------------------|------------| | Linux | codechain-1.4.0-x86_64-linux.tar.gz | 1ccc0938011131428c1bb3c4e6731016716205c9031bed98f2be6f6dbb97c101 | | OS X | codechain-1.4.0-x86_64-darwin.tar.gz | fbb0c88317c3af9fa317f5aef4ba30bfca01fe4043f8e077ea0ddf34e04f41cc |
Source code(tar.gz)
Source code(zip)
v1.3.0(May 13, 2019)
Fixed the broken commitHash RPC in a docker image #1443

Fixed the crash in Tendermint #1514

Added base-path option #236

Fixed the crash on exit #348

Reduced the booting time #1513

| OS | Binary | SHA256 | |-------|---------------------------|------------| | Linux | codechain-1.3.0-x86_64-linux.tar.gz | 8c622452df9452b238620715cc1d037d6c42287b3597e246a3f963408a506f4a | | OS X | codechain-1.3.0-x86_64-darwin.tar.gz | 438856f1dfe7faac32974c232be25fae4d34b8ccd894c34dbe86e28c7caf1be1 |
Source code(tar.gz)
Source code(zip)
v1.2.0(Apr 19, 2019)
Fixed the bug of version flag

Added "commit-hash" command

Added "net_recentNetworkUsage" RPC

Added "chain_getMinTransactionFee" RPC

Reduced network traffic

Request the header only it need

Send new header to random peer instead of all.

Disabled Order and stake delegation by default

Enhanced unit tests and e2e tests

| OS | Binary | SHA256 | |-------|---------------------------|------------| | Linux | codechain-1.2.0-x86_64-linux.tar.gz | 83ae9b222e6a9afbab2ada81301783e411eb23777e812486bef048a614cd7616 | | OS X | codechain-1.2.0-x86_64-darwin.tar.gz | bc45c1fac0b41d540cf60badedda89c57aa1fc0860e9b3865d86714168292777 |
Source code(tar.gz)
Source code(zip)
v1.1.1(Apr 8, 2019)
Reset the Corgi network

| OS | Binary | SHA256 | |-------|---------------------------|------------| | Linux | codechain-1.1.1-x86_64-linux.tar.gz | c489c17dd6759ce8d6984917690214ca41908828344b123efe28c18f31fc4581 | | OS X | codechain-1.1.1-x86_64-darwin.tar.gz | 93185de14b21fe236bc1d0f0e15f0f93d02131410d30647dda2ffa6acda61bbc |
Source code(tar.gz)
Source code(zip)
v1.1.0(Apr 4, 2019)
Removed stakeholders who don't have stakes from trie (#1439)

Fixed the bug in AssetScheme related transactions (#1442)

| OS | Binary | SHA256 | |-------|---------------------------|------------| | Linux | codechain-1.1.0-x86_64-linux.tar.gz | 14c5f3c307a3a39a60043a1b6929238a88fe00cc8e5e9a351dc1cdc4e7f23e79 | | OS X | codechain-1.1.0-x86_64-darwin.tar.gz | c5d30bad77f4bcc62fb96ef5498ac66b091abdbe8a29345eaa9aba48ee133347 |
Source code(tar.gz)
Source code(zip)
v1.0.0(Apr 1, 2019)

| OS | Binary | SHA256 | |-------|--------|--------| | Linux | codechain-1.0.0-x86_64-linux.tar.gz | 56d4630a51731eda65f81a18b97e3d3fb06b70384e0dedc51cf1553eac294760 | | OS X | codechain-1.0.0-x86_64-darwin.tar.gz | 079a7dba0877536a76cd5f0fb3b3079192af5aa0381a90ff36be60bc37bb0123 |
Source code(tar.gz)
Source code(zip)