TL:DR

The following proposal registers aUSD (Acala Dollar on Karura) as xcAUSD on Moonriver.

Summary

We propose to register aUSD (Acala Dollar on Karura) as xAUSD on Moonriver. The XC-20 has the following details:

• Multilocation: { "parents": 1, "interior": {"X2": [ { "Parachain": 2000}, { "GeneralKey": "0x0081" }]}}
• Decimals: 12
• Name: Acala Dollar
• Symbol: xcAUSD

The proposed fee to execute the XCM is that for Karura (KAR).

Proposal

Proposal #79 with the following hash: 0xc0d55701c24731f46df65f6feffdbd68acae2c4276b3b4c750cfdbd154ad4e40

Technical details:

The procedure to register an asset on Moonriver is as follows:

• assetManager.registerAsset to register the asset with the information provided in the summary
• system.setStorage to store a revert code in the asset's storage. This is so that smart contracts can interact with the XC-20 (through the EVM)

Once the proposal is enacted, xcAUSD will live under asset ID 214920334981412447805621250067209749032. Consequently, the XC-20 address would be 0xFfFffFFfa1B026a00FbAA67c86D5d1d5BF8D8228

If you are interested, the hex-encoded call data of the proposal on Moonriver is:

batchAll:
0x1e0208690000010200411f06080081304163616c6120446f6c6c6172187863415553440c00010000000000000000000000000000000100050411011da53b775b270400e7e61ed5cbc5a146ea70f53d5a3306ce02aaf97049cf181a4293d152583e566ecc5f80bd1b0a687cffffffffa1b026a00fbaa67c86d5d1d5bf8d8228181460006000fd