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Contract updated #6

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Contract updated #6

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28 changes: 17 additions & 11 deletions src/contracts/DTube.sol
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Original file line number Diff line number Diff line change
@@ -1,8 +1,14 @@
pragma solidity ^0.5.0;
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

contract DTube {
uint public videoCount = 0;
string public name = "DTube";

error NotProperHash();
error NotProperTitle();

uint256 public videoCount;
string public constant name = "DTube";
mapping(uint => Video) public videos;

struct Video {
Expand All @@ -19,16 +25,16 @@ contract DTube {
address author
);

constructor() public {
}

function uploadVideo(string memory _videoHash, string memory _title) public {
function uploadVideo(string calldata _videoHash, string calldata _title) public {
// Make sure the video hash exists
require(bytes(_videoHash).length > 0);
if(bytes(_videoHash).length == 0){
revert NotProperHash();
}

// Make sure video title exists
require(bytes(_title).length > 0);
// Make sure uploader address exists
require(msg.sender!=address(0));
if(bytes(_title).length == 0){
revert NotProperTitle();
}

// Increment video id
videoCount ++;
Expand Down