BitShares Core 6.0.0 Release (codename "Mekong")

<p dir="auto">The <a href="https://bitshares.org" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">BitShares Core software has been updated to the <a href="https://github.com/bitshares/bitshares-core/milestone/34?closed=1" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">6.0.0 Protocol Release. The codename of the 6.x releases is <a href="https://github.com/bitshares/bitshares-core/releases/tag/6.0.0" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link"><em>"Mekong". The Core software is used to build the validation nodes that perform consensus of all transactions on the BitShares blockchain. This release includes additions, improvements and <em>changes to the consensus protocol. <p dir="auto">The scheduled protocol upgrade time is <strong><code>Tuesday, January 11, 2022 14:00:00 UTC (<code>2022-01-11T14:00:00Z). <p dir="auto">Documentation for users may be be found at <a href="https://how.bitshares.works" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">How BitShares Works. <p dir="auto">Documentation for BitShares developers may be found at the <a href="https://dev.bitshares.works" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">BitShares Developer Portal. <ul> <li><a href="#who-should-upgrade-6-0-0" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">Who should upgrade <li><a href="#how-to-upgrade-6-0-0" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">How to upgrade <li><a href="#binaries-for-download-6-0-0" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">Binaries for download <li><a href="#changes-6-0-0" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">Changes <li><a href="#release-contributors-6-0-0" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">Release contributors <h2><div> Who Should Upgrade <p dir="auto"><strong>All nodes need to be upgraded to handle the <a href="#protocol-6-0-0" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">protocol upgrade. <p dir="auto">Note: some API changes may break existing client applications, as described in <a href="#api-6-0-0" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">API changes section. <h2><div> How To Upgrade <h3>Precautions <ul> <li>All validation nodes must complete their upgrade prior to <strong>Protocol Activation. <li>A <em>blockchain replay will automatically be performed after the validation node software is restarted. This typically takes a few hours on a modern CPU. <h3>How to Upgrade with Docker <p dir="auto">The pre-built Docker image can be found on the <a href="https://hub.docker.com/r/bitshares/bitshares-core/" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">BitShares Core Docker page and can be downloaded with the following command. <pre><code>docker pull bitshares/bitshares-core:6.0.0 <h3><div> How to Upgrade from Source Code <p dir="auto"><strong>Note: <ul> <li>The code base requires a compiler that supports the C++ 14 standard <li>The minimum supported boost version is 1.58, the maximum is 1.74 <li>The minimum supported CMake version is 3.2 <li>For Ubuntu users, it is recommended to build in Ubuntu 20.04 LTS (Focal Fossa). Ubuntu 16.04 LTS (Xenial Xerus) is no longer supported. <h4>Obtain the Source Code <p dir="auto">The source code may be obtained by checking out the <a href="https://github.com/bitshares/bitshares-core/releases/tag/6.0.0" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">6.0.0 tag. Download the source at: <ul> <li><a href="https://github.com/bitshares/bitshares-core/archive/6.0.0.zip" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">6.0.0.zip <li><a href="https://github.com/bitshares/bitshares-core/archive/6.0.0.tar.gz" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">6.0.0.tar.gz <h4>Build the Binaries <p dir="auto">The binaries may be built by using your pre-existing process, or by following the standard instructions that can be found in the wiki: <ul> <li><a href="https://github.com/bitshares/bitshares-core/wiki/BUILD_UBUNTU" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">Ubuntu <li><a href="https://github.com/bitshares/bitshares-core/wiki/Building-on-macOS" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">macOS <li><a href="https://github.com/bitshares/bitshares-core/wiki/BUILD_WIN32" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">Windows <h4>Deploy the Binaries <p dir="auto">Your standard process for deploying the node software may be used. No additional requirements or precautions will be required to deploy the new release. <h1><div> Binaries for download <p dir="auto">Binaries of the command line interface (CLI) wallet and the node software are pre-built and available for download. <p dir="auto">Note: <ul> <li>These binary builds are reproducible and were built using <a href="https://github.com/bitshares/bitshares-gitian/tree/6.0.0" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">Gitian. Please check the <a href="https://github.com/bitshares/bitshares-gitian/blob/master/README.md" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">README of Gitian if you want to verify and/or contribute. <li>Starting from version <code>6.0.0, pre-built Linux binaries will not run on Ubuntu 16.04 LTS (Xenial). <div class="table-responsive"><table> <thead> <tr><th>Platform<th>SHA256 Checksum <tbody> <tr><td><a href="https://github.com/bitshares/bitshares-core/releases/download/6.0.0/bitshares-core-6.0.0-win64-bin.zip" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">Microsoft Windows<td><code>b721383133d56fd2a6469a2aac73c92f7fe518f48a2d6a2484d1dd9dcf6c5527 <tr><td><a href="https://github.com/bitshares/bitshares-core/releases/download/6.0.0/bitshares-core-6.0.0-macos64-bin.tar.bz2" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">Mac<td><code>c5c2ee313233aa06c42ea08f9dd747261dec61399ff1011b9f93b3553a84b868 <tr><td><a href="https://github.com/bitshares/bitshares-core/releases/download/6.0.0/bitshares-core-6.0.0-linux-amd64-bin.tar.bz2" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">Linux<td><code>042740d4e816b80d909d8c82acbefb3ddd20e5b833cace2cfd1816be090eaac1 <h1><div> Changes <p dir="auto">The changes for <a href="https://github.com/bitshares/bitshares-core/milestone/34?closed=1" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">6.0.0 Protocol Release are summarized below. <h2><div>Protocol <div class="table-responsive"><table> <thead> <tr><th>Description<th>Issue<th>Pull Request <tbody> <tr><td>Add no-collateral funding feature (SameT Funds)<td><a href="https://github.com/bitshares/bitshares-core/issues/2351" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2351<td><a href="https://github.com/bitshares/bitshares-core/pull/2469" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2469, <a href="https://github.com/bitshares/bitshares-core/pull/2474" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2474, <a href="https://github.com/bitshares/bitshares-core/pull/2476" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2476, <a href="https://github.com/bitshares/bitshares-core/pull/2523" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2523 <tr><td>Add simple collateralized P2P funding feature (Credit Offers and Credit Deals)<td><a href="https://github.com/bitshares/bitshares-core/issues/2362" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2362<td><a href="https://github.com/bitshares/bitshares-core/pull/2479" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2479, <a href="https://github.com/bitshares/bitshares-core/pull/2502" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2502, <a href="https://github.com/bitshares/bitshares-core/pull/2511" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2511 <tr><td>Add 3 new black swan response methods<td><a href="https://github.com/bitshares/bitshares-core/issues/2467" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2467<td><a href="https://github.com/bitshares/bitshares-core/pull/2499" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2499, <a href="https://github.com/bitshares/bitshares-core/pull/2510" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2510 <tr><td>Add missing asset authorization checks for certain operations<td><a href="https://github.com/bitshares/bitshares-core/issues/972" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">972, <a href="https://github.com/bitshares/bitshares-core/issues/973" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">973<td><a href="https://github.com/bitshares/bitshares-core/pull/2468" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2468 <tr><td>Add option for MPA owners to disable collateral bidding<td><a href="https://github.com/bitshares/bitshares-core/issues/2281" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2281<td><a href="https://github.com/bitshares/bitshares-core/pull/2504" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2504, <a href="https://github.com/bitshares/bitshares-core/pull/2536" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2536 <tr><td>Allow bitasset options to be updated after GS<td><a href="https://github.com/bitshares/bitshares-core/issues/2282" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2282<td><a href="https://github.com/bitshares/bitshares-core/pull/2506" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2506 <tr><td>Match force-settlements with margin calls at normal margin call fill price<td><a href="https://github.com/bitshares/bitshares-core/issues/2481" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2481<td><a href="https://github.com/bitshares/bitshares-core/pull/2489" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2489 <tr><td>Revive GSed bitassets based on ICR rather than MCR<td><a href="https://github.com/bitshares/bitshares-core/issues/2290" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2290<td><a href="https://github.com/bitshares/bitshares-core/pull/2505" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2505 <tr><td>Skip asset authorization checks for from_account for override_transfer<td><a href="https://github.com/bitshares/bitshares-core/issues/2295" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2295<td><a href="https://github.com/bitshares/bitshares-core/pull/2465" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2465 <tr><td>Update liquidity pool exchange operations to comply with whitelist and blacklist market settings<td><a href="https://github.com/bitshares/bitshares-core/issues/2350" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2350<td><a href="https://github.com/bitshares/bitshares-core/pull/2462" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2462, <a href="https://github.com/bitshares/bitshares-core/pull/2507" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2507 <tr><td>Fix a bug that some non-UIA asset issuer permission bits (e.g. <code>witness_fed_asset) can be configured on UIA via <code>asset_update_operation<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2499" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2499 <tr><td>Allow borrowers to close debt positions even when there is no sufficient price feeds<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2499" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2499 <tr><td>Allow updating an existing debt position or creating a new debt position if to trigger a margin call and the debt position is not fully filled but the remaining debt position's CR is higher than ICR<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2499" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2499 <tr><td>Debt positions with CR not greater than MCR will pay margin call fees at the time of global settlement<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2489" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2489 <h2><div> Node Functionality <div class="table-responsive"><table> <thead> <tr><th>Description<th>Issue<th>Pull Request <tbody> <tr><td>Delete unneeded directories when writing object database to disk<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2485" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2485 <h2><div>Node Performance and Stability <div class="table-responsive"><table> <thead> <tr><th>Description<th>Issue<th>Pull Request <tbody> <tr><td>Clear operation_results when generating block<td><a href="https://github.com/bitshares/bitshares-core/issues/2527" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2527<td><a href="https://github.com/bitshares/bitshares-core/pull/2475" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2475, <a href="https://github.com/bitshares/bitshares-core/pull/2528" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2528 <tr><td>Remove BSIP-40 support for unused operations<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2482" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2482 <h2><div> Node Plugins <div class="table-responsive"><table> <thead> <tr><th>Description<th>Plugins<th>Issue<th>Pull Request <tbody> <tr><td>Fix liquidity pool deposit statistics<td>Market History<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2471" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2471 <tr><td>Notify all related accounts on account creation<td>Account History<td><a href="https://github.com/bitshares/bitshares-core/issues/265" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">265<td><a href="https://github.com/bitshares/bitshares-core/pull/2480" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2480 <tr><td>Fix a crash when starting the ElasticSearch plugin<td>ElasticSearch Operations<td><a href="https://github.com/bitshares/bitshares-core/issues/2490" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2490<td><a href="https://github.com/bitshares/bitshares-core/pull/2495" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2495 <h2><div> API <p dir="auto">Please check the linked pull requests for more info and documentation. <div class="table-responsive"><table> <thead> <tr><th>Description<th>Issue<th>Pull Request <tbody> <tr><td>The <code>get_block API will return an empty <code>operation_results field for blocks produced by nodes with version <code>6.0.0 or higher. The operation results can still be retrieved via <code>get_account_history and related APIs.<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2475" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2475 <tr><td>The unused <code>extensions field is removed from <code>asset_settle_cancel_operation<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2489" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2489 <tr><td>The return value of <code>asset_settle_operation is now a new type <code>extendable_operation_result<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2499" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2499 <tr><td>New APIs for querying SameT Funds<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2469" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2469 <tr><td>New APIs for querying Credit Offers and Credit Deals<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2479" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2479 <tr><td>Fix liquidity pool deposit statistics<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2471" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2471 <tr><td>Fix liquidity pool history APIs<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2517" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2517 <h2>Software Design <div class="table-responsive"><table> <thead> <tr><th>Description<th>Issue<th>Pull Request <tbody> <tr><td>Add defensive check to mute SonarScanner warning<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2540" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2540 <h2>Build Process and Continuous Integration (CI) <div class="table-responsive"><table> <thead> <tr><th>Description<th>Issue<th>Pull Request <tbody> <tr><td>Build Docker images with Github Actions<td><a href="https://github.com/bitshares/bitshares-core/issues/2472" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2472<td><a href="https://github.com/bitshares/bitshares-core/pull/2514" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2514 <tr><td>Upgrade the Docker base image to Ubuntu 20.04 LTS (Focal Fossa)<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2473" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2473 <tr><td>Fix Gitian Windows build string table overflow issue by using Ubuntu 20.04. LTS (Focal Fossa)<td><a href="https://github.com/bitshares/bitshares-core/issues/2520" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2520<td><a href="https://github.com/bitshares/bitshares-gitian/pull/50" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">Gitian-50 <tr><td>Phase out Ubuntu 16.04<td><a href="https://github.com/bitshares/bitshares-core/issues/2217" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2217, <a href="https://github.com/bitshares/bitshares-gitian/issues/49" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">Gitian-49<td><a href="https://github.com/bitshares/bitshares-gitian/pull/51" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">Gitian-51 <tr><td>Add dependabot.yml for GitHub Actions<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2512" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2512 <tr><td>Add OS version to cache key in sonar-scan workflow<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2486" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2486, <a href="https://github.com/bitshares/bitshares-core/pull/2487" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2487 <tr><td>Update Sonar Scanner configuration<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2437" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2437, <a href="https://github.com/bitshares/bitshares-core/pull/2458" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2458, <a href="https://github.com/bitshares/bitshares-core/pull/2518" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2518 <h2>Documentation <div class="table-responsive"><table> <thead> <tr><th>Description<th>Issue<th>Pull Request <tbody> <tr><td>Fix an error in README.md<td>-<td><a href="https://github.com/bitshares/bitshares-core/pull/2529" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2529, <a href="https://github.com/bitshares/bitshares-core/pull/2533" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2533, <a href="https://github.com/bitshares/bitshares-core/pull/2534" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">2534 <h1><div> Release Contributors <p dir="auto"><br /><span><a href="/@abitmore">@abitmore (<a href="https://github.com/abitmore" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">https://github.com/abitmore)<span> <a href="/@xiao93">@xiao93 (<a href="https://github.com/xiao93" target="_blank" rel="noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">https://github.com/xiao93)