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Merge pull request #294 from envestcc/r210
release v2.1.0
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# v2.1.0 Release Note | ||
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## Summary | ||
**v2.1.0 has a hardfork, which will be activated at block height 33,730,921 | ||
(ETA is around 12/17/2024 02:20:40 AM +UTC) on IoTeX L1 mainnet.** | ||
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All nodes **must** upgrade to this release, otherwise the node runs the risk of | ||
not being able to sync with the IoTeX blockchain after other nodes have upgraded. | ||
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**Note:** | ||
There's no change to the mainnet config.yaml and genesis.yaml. You only need to | ||
restart your node with the new v2.1.0 image. | ||
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This release introduces support for the Cancun EVM upgrade, bringing compatibility | ||
with the latest opcodes and Solidity compiler, and enabling more advanced smart | ||
contract functionality. A key highlight is the integration of EIP-4844, which | ||
supports BlobTx transactions. This allows users to send transactions with blob | ||
data that is stored on-chain for at least 20 days, optimizing data availability | ||
and on-chain storage. Additional improvements includes staking enhancements, | ||
network stability, and overall transaction processing efficiency. | ||
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## Key Features and Enhancements | ||
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1. Cancun EVM Compatibility: Implements the latest EVM opcodes, allowing developers | ||
to compile contracts with the most recent Solidity compiler and take advantage of | ||
the newest protocol capabilities. | ||
2. Support for EIP-4844 Blob Transactions: Enables users to send transactions | ||
containing blob data, which is verified and stored on-chain for a minimum of 20 | ||
days, optimizing data availability and chain storage efficiency. | ||
3. Support for EIP-1559 Dynamic Fee Transactions: Allows users to send transactions | ||
with dynamic fees, where the priority fee is rewarded directly to the block miner, | ||
ensuring fair and efficient fee allocation. | ||
4. Support for EIP-2930 Access List Transactions: Reduces gas consumption by allowing | ||
users to specify an access list in transactions, making execution more cost-effective. | ||
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## Bug Fix and Performance Improvements: | ||
1. Staking Bucket Reset: Resolved an issue where staking bucket amounts were not | ||
properly cleared after an unstake, ensuring accurate tracking. | ||
2. Fix for Unlimited Native Staking Duration: Corrected the staking duration limit | ||
for native assets to prevent indefinite staking periods. | ||
3. LibP2P Upgrade: Enhanced the P2P network by upgrading LibP2P, leading to improved | ||
connectivity and network stability. | ||
4. Consistency Between Minting and Validation: Standardized behavior between minting | ||
and validation processes to prevent potential discrepancies and ensure stable operation. | ||
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## Upgrade Priority | ||
v2.1.0 comes with a hardfork, so all nodes **must** upgrade in order to keep | ||
syncing with the IoTeX blockchain | ||
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| Node type | Action | | ||
| ---------- | ------------ | | ||
| Delegate | Must upgrade | | ||
| Fullnode | Must upgrade | | ||
| API node | Must upgrade | | ||
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## Commits | ||
https://github.com/iotexproject/iotex-core/compare/v2.0.8...v2.1.0 |