BitShares Core Release 3.0.0
What’s New
- Release Numbering: We changed the versioning of the Core software to reflect a
Protocol.Feature.Hotfixrelease format beginning from3.0.0 - Hashed Timelock Contracts (HTLC): The building blocks for Atomic Cross Chain Swaps
- Sharing of Market Fees
Fixes
- MCR Bugfix: Resolves a bug where the call price is inconsistent when the maintenance collateral ratio (MCR) was modified
- Max Supply: Resolves a bug that could cause supply to grow beyond the intended maximum supply level.
- Oversized Transactions: Resolves a bug that could allow transactions beyond the size limit.
- Account Permission Bugfix: Resolves a bug that under certain circumstances a transaction signed by owner key of an account would be rejected
Where to Learn More
- Users documentation: How BitShares Works
- Developer documentation: Developer Portal
- NEW Instructions for the Hashed Time-Locked Contracts (HTLC) functionality
- NEW Instructions for Testing the Sharing of Market Fees
- NEW Instructions for Testing the MCR Fix
Who Should Update
- All validation node operators are encouraged to upgrade prior to Protocol Activation:
23 APR 2019 14:02 UTCas this is a consensus protocol impacting release - All BTS token holders are encouraged to review this release, then vote to support block producers signaling their intention to upgrade prior to protocol activation
How to Update
Precautions
- All validation nodes must complete their upgrade prior to Protocol Activation:
23 APR 2019 14:02 UTC - A blockchain replay will automatically be performed after the validation node software is restarted. This typically takes 90 minutes on a modern CPU
Obtain the Source Code
- git client:
git clone --recursive --branch 3.0.0 https://github.com/bitshares/bitshares-core.git - zip archive: https://github.com/bitshares/bitshares-core/archive/3.0.0.zip
- tar.gz archive: https://github.com/bitshares/bitshares-core/archive/3.0.0.tar.gz
Build the Binaries
The binaries may be built by using your pre-existing process, or by following the standard instructions that can be found in the wiki:
Deploy the Binaries
Your standard process for deploying the node software may be used. No additional requirements or precautions will be required to deploy the new release.
Obtain the Docker Image
The latest Docker image may be found at BitShares Core Docker page and updated with:
docker pull bitshares/bitshares-core
Binaries
Binaries of the command line interface (CLI) wallet, node software, and delayed node are pre-built and available for download.
| Platform | SHA256 Checksum |
|---|---|
| Microsoft Windows | 97559647e099c3768565f50cb5f43b0956afa6fd371b442aabdfb6e9acb62cb3 |
| Mac | 7c50d0a8f2eb5fdfd4c0c5d86d5bba076ec0acf1ccf256e70d2e4ef8010871eb |
| Linux | 6f893f5bf5a08928c10d9adeaca92204ab150886dbe0da2102118e9aa5ab5a25 |
Changes
A summary of the tasks contained within Protocol Upgrade Release (3.0.0) follows:
Core Functionality
| Description | Issue | Pull Request |
|---|---|---|
| Borrowing MPAs ignores max_supply setting | 1465 | 1498 |
| Call price is inconsistent when MCR changed | 1270,1423 | 1324,1469,1493 |
| Distribute Asset Market Fees to Referral Program (BSIP-43) | 1268 | 1419 |
| Hashed Time-Locked Contract (BSIP-44) | BSIPS 103 | 1370,1475,1535,1538 |
| Prevent oversized transactions | 1573 | 1624 |
| Account permission bugfix | 584 | 1259 |
Build Process
| Description | Issue | Pull Request |
|---|---|---|
| Build fails on macOS due to size_t | 1590 | 1589 |
Release Contributors
@abitmore
@jmjatlanta
@oxarbitrage
@pmconrad
@OpenLedgerApp
@ryanRfox