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Klaytn Docs
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v1.5.0
Package Downloads
Linux
Cypress Packages
Baobab Packages
Common Packages
MacOS
Cypress Packages
Baobab Packages
Common Packages
Windows
- Not supported yet
Release Notes for Klaytn v1.5.0
New Features
- State migration (https://github.com/klaytn/klaytn/pull/507)
- New JSON-RPC API to remove the unnecessary and old state/storage trie, saving the storage space for Klaytn node (Cypress) by 75% (800 GB -> 200 GB)
- admin.startStateMigration()
- admin.stopStateMigration()
- admin.stateMigrationStatus
- Klaytn node currently requires about 1TB of storage space. This size of storage was a burdensome for efficient node operation, and the state migration came here to relieve this. The state migration removes the stale state/storage trie nodes which are unnecessary for new block generation and validation. Before starting a state migration,
stakingInfois saved in a database to getstakingInfowithout the staled state after the state migration.
- Warm-up trie node cache (https://github.com/klaytn/klaytn/pull/548)
- New JSON-RPC APIs to speed up the block processing by iterating the latest state trie and caching it
- debug.startWarmUp()
- debug.stopWarmUp()
- Until now, Klaytn node had to continuously access a database for processing a block due to uncached state trie nodes, which results in the delay in block processing. The introduced "warm-up" feature reduces this delay by iterating the last state trie and caching it.
- Import blocks from String (https://github.com/klaytn/klaytn/pull/516)
- Importing blocks was available only with a file. Importing blocks from a string is required for some use cases.
- New JSON-RPC APIs
- admin.importChainFromString()
- Fastcache (https://github.com/klaytn/klaytn/pull/490)
- Fastcache as trie node cache with the autoscaled cache size, reducing memory consumption compared to Bigcache
Improvements
- Parameterizes triesInMemory and maxRequestContentLength (https://github.com/klaytn/klaytn/pull/555, https://github.com/klaytn/klaytn/pull/564)
- Uses cached state database in TraceBlock (https://github.com/klaytn/klaytn/pull/546)
- Improves consensus logic
- Adds unit test code (https://github.com/klaytn/klaytn/pull/487, https://github.com/klaytn/klaytn/pull/492)
- Refactors
SubList/SubListWithProposer(https://github.com/klaytn/klaytn/pull/551) - Prevents validators from sending consensus message if they are not in committee (https://github.com/klaytn/klaytn/pull/549)
- Istanbul message handler now checks whether the sender is a member of the committee or not (https://github.com/klaytn/klaytn/pull/545)
- Prevents
committwice when a node stops (https://github.com/klaytn/klaytn/pull/530) - Refactors staking manager (https://github.com/klaytn/klaytn/pull/515)
- Builds and publishes public docker image (https://github.com/klaytn/klaytn/pull/491)
- Improves Trace API
- Adds
txHashintotxTraceResult(https://github.com/klaytn/klaytn/pull/488) tracernow supportsCREATE2(https://github.com/klaytn/klaytn/pull/489)tracernow reports transaction revert information (https://github.com/klaytn/klaytn/pull/484)
- Allows DNS address string to start with numeric character for encoding URL (https://github.com/klaytn/klaytn/pull/482)
- Removes vendor directory (https://github.com/klaytn/klaytn/pull/498)
Fixes
- Reorganizes the stop sequence of blockchain module (https://github.com/klaytn/klaytn/pull/535)
- Fixes
computeStateDBto not compute for non-existing block number (https://github.com/klaytn/klaytn/pull/483) - Prevents files to be overwritten via admin.exportChain (https://github.com/klaytn/klaytn/pull/480)
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