使用數組數組作為函式參數返回“從 uint256 到 uint256 的無效隱式轉換請求記憶體。”

請考慮這份契約：

pragma solidity 0.8.7;

contract Test {

   struct UserStruct {
       uint256 betAmount;
       uint256[] potentialWinnings;
       string teamChosen;}

   mapping(address => UserStruct[]) public userStructs;

   function appendUserBet(string memory userTeamChosen,uint256 eventNumber) public payable {
       UserStruct memory userStruct = UserStruct(msg.value,new uint256[](0),userTeamChosen);
       userStructs[msg.sender].push(userStruct);}

   function updatePotentialWinnings(uint256 eventNumber,address userId,uint256[] memory potentialWinnings) public {
       userStructs[userId][eventNumber].potentialWinnings = potentialWinnings;}}

它工作正常，但是當我在契約下麵包含一個函式時，它不會編譯。它出錯了TypeError: Invalid type for argument in function call. Invalid implicit conversion from uint256 to uint256[] memory requested.

   function addAllPotentialWinnings(uint256 _eventNumber, uint256[] memory _potentialWinnings, address[] memory _usersList) public {
       for (uint i =0; i<_usersList.length;i++){
           updatePotentialWinnings(_eventNumber,_usersList[i],_potentialWinnings[i]);}}

我想提供一個數組數組（動態大小的二維數組）作為函式的參數，但我似乎做錯了。據我所知，它UserStruct期望potentialWinnings採用uint256[]格式，但它以uint256. 按照設計，我想為函式提供一個如下所示的數組：[[0,1,2],[2,5,6],[x,y,z],...]

如何更改我的契約，使其“知道”我作為參數傳遞的數組將在裡麵包含所需的數組？

先感謝您！

只需使用二維數組

function addAllPotentialWinnings(uint256 _eventNumber, uint256[][] memory _potentialWinnings, address[] memory _usersList) public {
       for (uint i =0; i<_usersList.length;i++){
           updatePotentialWinnings(_eventNumber,_usersList[i],_potentialWinnings[i]);
       }
   }

引用自：https://ethereum.stackexchange.com/questions/133766