v0.4.7-rc7

Release Notes

Improvements

• (aspect) #86 support aspect unbind.
• (aspect) #87 add owner check for aspect.
• (cosmos) #95 support websocket api for cosmos and evm transactions.
• (cosmos) #96 add deploy verify for chain upgrade.
• (cosmos) #103 return earliest block when query 0x0 block.

Bug Fixes

• (cosmos) #88 fix proto nil error.
• (cosmos) #104 fix gc for every block.