-
Notifications
You must be signed in to change notification settings - Fork 1
/
Mapping.sol
25 lines (18 loc) · 895 Bytes
/
Mapping.sol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
//SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
contract MappingExperiment {
mapping(address => uint256) public soldes;
mapping(address => mapping (address => uint256)) public allowance;
mapping (address => mapping (address => mapping(uint256 => bool))) public userPaidAtASpecificDate;
//Looks like there isn't a limit to nesting mappings
mapping(address => mapping (address => mapping (address => mapping (uint256 => mapping (address => mapping(uint256 => bool)))))) ultraMap;
function send(uint256 _amount) public {
soldes[msg.sender] += _amount;
}
function setAllowance(address _allowedAddr, uint256 _amountAllowed) public {
allowance[msg.sender][_allowedAddr] = _amountAllowed;
}
function makePayment (address _allowed, uint256 _date) public {
userPaidAtASpecificDate[msg.sender][_allowed][_date] = true;
}
}