v1.3.0 Release Notes

Notice

• Official go version for klaytn v1.3.0 is go-1.13.3 to address security issues. We recommend go-1.13.3 or higher version when building klaytn.

New Features

• Signing of Klaytn transaction types through RPC APIs (klay_signTransaction and klay_signTransactionAsFeePayer).
• TxTypeFeeDelegatedChainDataAnchoring and TxTypeFeeDelegatedChainDataAnchoringWithRatio are added. Now the transaction fee for the anchoring transaction from your service chain can be paid by another fee-payer account.
• New JSON-RPC APIs
  • klay.encodeAccountKey
  • klay.decodeAccountKey
  • klay.sendTransactionAsFeePayer
  • subbridge.setParentOperatorFeePayer
  • subbridge.parentOperatorFeePayer
  • subbridge.setChildOperatorFeePayer
  • subbridge.childOperatorFeePayer

Fixes

• Fixed wrong bad block occurrence due to state update skipping.
• Fixed returning wrong balance of the sender when performing call/estimateGas/estimateComputationCost
• Fixed losing queued transactions before timeout.

Improvements

• Modified round change timer to 3 seconds for faster recovery
• Optimized consensus message propagation between CNs
• Added more test code to improve stability
• Added package descriptions
• Refined packaging scripts

Removals

• Removed unused package ‘filter’.
• Removed unused JSON-RPC APIs
  • APIs in "miner" namespace
  • klay.mining
  • klay.submitWork
  • klay.getWork
  • klay.submitHashrate