UMIP 157- Add **ACROSS-V2** as a supported price identifier

The DVM should support the ACROSS-V2 price identifier.

Community Review Call outcome - 11th April

GO with conditions

  • add link to doc explaining v2 architecture
  • Add link to price implementation
  • Address Github comments

A validation script for this umip is available at

Instructions on how to validate transactions on Across v2 to inform voting are available in this short video
https://www.youtube.com/watch?v=OjwzNlCwUsY)