TL:DR

The following proposal registers USDT from Statemine as xcUSDT on Moonriver.

Summary

We propose to register USDT from Statemine as xcUSDT on Moonriver. The XC-20 has the following details:

• Multilocation: { "parents": 1, "interior": {"X3": [ { "Parachain": 1000}, {“PalletInstance”: 50},{ "GeneralIndex": 1984 }]}}
• Decimals: 6
• Name: Tether USD
• Symbol: xcUSDT

The official Asset ID from Statemine was extracted from Tether’s official website.

The proposed fee to execute the XCM was calculated using the current KSM to USD price ratio.

Proposal

Proposal #85 with the following hash: 0x0ea6d0cf368bc6f02a0397837a00b32f2bf25745a64ed9265cef0c4f8a0ff535

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, xcUSDT will live under asset ID 133057993812922544048267207069832508503. Consequently, the XC-20 address would be 0xFFFFffFf641a099723723c870F7368C47f96F457

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

batchAll:
0x1e020c690000010300a10f043205011f28546574686572205553441878635553445406000100000000000000000000000000000001690100010300a10f043205011ff03353010000000000000000000000000700000000050411011da53b775b270400e7e61ed5cbc5a146ea70f53d5a3306ce02aaf97049cf181a742d8b839f25a373599006610b2dbb60ffffffffea09fb06d082fd1275cd48b191cbcd1d181460006000fd