From 7b7a8bed0dd2573c9e5f8b65ecc24aaaa3df1a92 Mon Sep 17 00:00:00 2001
From: ian_lee <ian@mxc.org>
Date: Wed, 3 Jan 2024 10:42:35 +0100
Subject: [PATCH] MEP803, added downlink price and func to get owner's profile
 list.

---
 proposals/mep-803.md | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/proposals/mep-803.md b/proposals/mep-803.md
index b30f46c..7d9bdc1 100644
--- a/proposals/mep-803.md
+++ b/proposals/mep-803.md
@@ -58,14 +58,25 @@ interface IIMEP803 {
     ///  The parameters is the index of app, owner and url.
     event ProfileUrlChanged(uint256 idx, address owner, string url);
 
+    /// @dev This event gets emitted when a device profile downlink price changed
+    ///  The parameters is the index of app, owner and the new price.
+    event DownlinkPriceChanged(
+        uint256 idx,
+        address owner,
+        uint256 downlinkPrice
+    );
+
     /// @notice Return the name of contract, use to identiry the version of the contract
     function name() external view returns (string memory);
 
     /// @notice Create a device profile
     /// @param _name The name of of the device profile
+    /// @param _url The url of of the device profile
+    /// @param _downlinkPrice The price for Downlink, unit in MXC
     function createProfile(
         string memory _name,
-        string memory _url
+        string memory _url,
+        uint256 _downlinkPrice
     ) external returns (uint256);
 
     /// @notice rename a device profile
@@ -78,8 +89,19 @@ interface IIMEP803 {
     /// @param _url The url of of the device profile
     function setProfileUrl(uint256 _idx, string memory _url) external;
 
+    /// @notice Set the Downlink Price of the device profile
+    /// @param _idx The device profile index
+    /// @param _downlinkPrice The price for Downlink, unit in MXC
+    function setDownlinkPrice(uint256 _idx, uint256 _downlinkPrice) external;
+
     /// @notice Return the number of profiles belong to the sender.
     function ownerProfileIdxCount() external view returns (uint256);
+
+    /// @notice Return a list of profiles belong to the sender. Up to 10.
+    /// @param _offset The starting index of owner's profile
+    function getOwnerProfileList(
+        uint256 _offset
+    ) external view returns (DeviceProfile[] memory);
 }
 ```
 
@@ -93,6 +115,7 @@ struct DeviceProfile {
     address owner;
     string url;
     bool active;
+    uint256 downlinkPrice;
 }
 
 contract Storage1 {