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  1. importPackage(java.io);
  2. importPackage(java.lang);
  3.  
  4. // your code goes here
  5. // Solidity smart contract code
  6. // SPDX-License-Identifier: MIT
  7. pragma solidity ^0.8.0;
  8.  
  9. contract RealEstate {
  10.     struct Property {
  11.         string name;
  12.         uint price;
  13.         address[] owners;
  14.         uint[] ownership;
  15.     }
  16.  
  17.     mapping(uint => Property) public properties;
  18.     mapping(uint => mapping(address => uint)) public ownerships;
  19.  
  20.     function createProperty(uint id, string memory name, uint price) public {
  21.         properties[id] = Property(name, price, new address[](0), new uint[](0));
  22.     }
  23.  
  24.     function buyOwnership(uint id, uint percentage) public payable {
  25.         require(properties[id].price * percentage / 100 == msg.value, "Incorrect value sent");
  26.         require(percentage > 0 && percentage <= 100, "Invalid percentage");
  27.  
  28.         uint ownership = properties[id].ownership.length;
  29.         properties[id].ownership.push(percentage);
  30.         properties[id].owners.push(msg.sender);
  31.         ownerships[id][msg.sender] = ownership;
  32.     }
  33.  
  34.     function sellOwnership(uint id, uint percentage) public {
  35.         uint index = ownerships[id][msg.sender];
  36.         require(properties[id].ownership[index] == percentage, "Ownership percentage mismatch");
  37.         require(percentage > 0 && percentage <= 100, "Invalid percentage");
  38.  
  39.         uint value = properties[id].price * percentage / 100;
  40.         properties[id].ownership[index] = 0;
  41.         ownerships[id][msg.sender] = 0;
  42.         properties[id].owners[index] = properties[id].owners[properties[id].owners.length - 1];
  43.         properties[id].owners.pop();
  44.  
  45.         (bool success, ) = payable(msg.sender).call{value: value}("");
  46.         require(success, "Transfer failed.");
  47.     }
  48. }
Runtime error #stdin #stdout #stderr 0.34s 38672KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
js: "prog.js", line 7: missing ; before statement
js: pragma solidity ^0.8.0;
js: ...............^
js: "prog.js", line 9: missing ; before statement
js: contract RealEstate {
js: ...................^
js: "prog.js", line 10: missing ; before statement
js:     struct Property {
js: ....................^
js: "prog.js", line 12: missing ; before statement
js:         uint price;
js: ..................^
js: "prog.js", line 13: syntax error
js:         address[] owners;
js: ................^
js: "prog.js", line 14: syntax error
js:         uint[] ownership;
js: .............^
js: "prog.js", line 15: syntax error
js:     }
js: ....^
js: "prog.js", line 17: missing ; before statement
js:     mapping(uint => Property) public properties;
js: ....................................^
js: "prog.js", line 18: missing ; before statement
js:     mapping(uint => mapping(address => uint)) public ownerships;
js: ....................................................^
js: "prog.js", line 20: missing ) after formal parameters
js:     function createProperty(uint id, string memory name, uint price) public {
js: ...................................^
js: "prog.js", line 1: Compilation produced 10 syntax errors.
https://ideone.com/V7Lhun
language:
JavaScript (rhino 1.7.9)
created:
3 years ago
visibility:
secret

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