asset: add bep255 upgrade height for mainnet

[forcodedancing]

Description

The BNB Beacon Chain mainnet is expected to have a scheduled hard fork upgrade at block height 328088888. Based on the current block generation speed, the hard fork is forecasted to occur on 19th Jul. at 6:00 (UTC). The full node runners on mainnet must switch their software version to v0.10.16 or higher version before the height.

Rationale

Add bep255 upgrade height for mainnet

Example

NA

Changes

Notable changes:

• add bep255 upgrade height for mainnet

[codecov-commenter]

Codecov Report

Patch coverage has no change and project coverage change: +0.01 🎉

Comparison is base (c729055) 49.05% compared to head (af3d11c) 49.06%.

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Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #977      +/-   ##
===========================================
+ Coverage    49.05%   49.06%   +0.01%     
===========================================
  Files          127      127              
  Lines        12703    12703              
===========================================
+ Hits          6231     6233       +2     
+ Misses        6048     6046       -2     
  Partials       424      424              

see 1 file with indirect coverage changes

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