migrate_to_new_account: TxDescriptor<{
    asset1: {
        interior: XcmV3Junctions;
        parents: number;
    };
    asset2: {
        interior: XcmV3Junctions;
        parents: number;
    };
}>

Migrates an existing pool to a new account ID derivation method for a given asset pair. If the migration is successful, transaction fees are refunded to the caller.

Must be signed.