Binance Smart Chain Chapel Testnet is expected to have a scheduled hard fork upgrade at block height 5,582,500. Based on the current block generation speed, it is forecasted to be around 2021/01/21 at 7:00 AM (UTC). The full node runners on testnet are expected to switch their software version to v1.0.5 by 2021/01/21.
This upgrade is named after Joseph-Louis Lagrange in honor of his key significant contributions to the fields of analysis, number theory, and both classical and celestial mechanics. Several concepts from mathematics and physics are named after him.
A hardfork is an upgrade that is not compatible with the previous release because some breaking changes are introduced in the latest release. A hardfork in Binance Smart Chain requires +1/2 validators to successfully upgrade to keep making blocks. If the existing full nodes in the network do not upgrade, they will not be able to receive and execute further blocks normally after the hardfork block height.
Logic changes will occur at block height 5,582,500 for this upgrade. After the activation of the upgrade, the blockchain is able to handle a series of new features and bug fixes.
This release is breaking and you need to switch to v1.0.5. Upgrade instructions are (all the below should be done before the hardfork block height):
geth --config ./config.toml --datadir ./node --pprofaddr 0.0.0.0 --metrics --pprof
If you cannot upgrade your software, you cannot sync with the upgraded Binance Smart Chain peer/validator nodes. You will not be able to connect or send transactions.
BEP84 proposes two new permissionless methods that will be imported into `TokenManager` contract
Mirror: If a BEP20 contract is not bound to any BEP2 token, anyone can call the `mirror` method to automatically issue a BEP2 token and bind them.
Sync: For a BEP20 token that has been mirrored to BC, anyone can call the `sync` method to balance the total supply on BC and BSC. You can see the implementation in this PR
This updated reward mechanism is designed to attract more bsc-relayers to engage in and improve the cross chain communication robustness between BC and BSC. You can see the implementation in this PR
Some modifications and edge cases get addressed to enable a faster and less error-prone process.
BSC Relayer v1.1.0 includes the following improvements:
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