finish up test suite in claimNft
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@ -175,6 +175,8 @@ contract TokenDivider is IERC721Receiver, Ownable {
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emit NftClaimed(nftAddress);
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// @audit: what happen if there is overlaps in same NFT address with different token id? will someone get a different NFT?
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// @audit-finding: high
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// @audit-report: you cannot claim the previous NFT with a weird error
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IERC721(nftAddress).safeTransferFrom(address(this), msg.sender, tokenInfo.tokenId);
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}
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@ -37,7 +37,8 @@ contract TokenDividerClaimTest is Test {
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vm.stopPrank();
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}
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function test_assertSetUp() public view {
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function test_assertSetUp() public {
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erc721Mock.mint(USER);
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ERC20Mock erc20Mock = ERC20Mock(
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tokenDivider.getErc20InfoFromNft(
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address(erc721Mock)
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@ -49,6 +50,7 @@ contract TokenDividerClaimTest is Test {
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erc721Mock.ownerOf(TOKEN_ID),
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address(tokenDivider)
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);
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// assert if USER has the ERC20 token
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assertEq(
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tokenDivider.getBalanceOf(USER, address(erc20Mock)),
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@ -190,4 +192,102 @@ contract TokenDividerClaimTest is Test {
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tokenDivider.claimNft(address(erc721Mock));
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vm.stopPrank();
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}
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function test_failIf_claimOverlappingNFTWithDifferentId() public {
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ERC20Mock erc20Mock = ERC20Mock(
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tokenDivider.getErc20InfoFromNft(
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address(erc721Mock)
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).erc20Address
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);
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// mint ERC721 with new TOKEN_ID
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erc721Mock.mint(USER2);
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uint256 newTokenId = TOKEN_ID + 1;
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vm.startPrank(USER2);
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erc721Mock.approve(address(tokenDivider), newTokenId);
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tokenDivider.divideNft(
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address(erc721Mock),
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newTokenId,
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AMOUNT
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);
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vm.stopPrank();
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ERC20Mock erc20MockWithNewTokenId = ERC20Mock(
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tokenDivider.getErc20InfoFromNft(
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address(erc721Mock)
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).erc20Address
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);
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// assert if NFT already moved to tokenDivider
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assertEq(
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erc721Mock.ownerOf(TOKEN_ID),
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address(tokenDivider)
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);
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assertEq(
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erc721Mock.ownerOf(newTokenId),
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address(tokenDivider)
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);
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// assert if USER2 has the ERC20 token
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assertEq(
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tokenDivider.getBalanceOf(
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USER2,
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address(erc20MockWithNewTokenId)
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),
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AMOUNT
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);
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// USER2 claim NFT
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vm.startPrank(USER2);
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erc20MockWithNewTokenId.approve(
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address(tokenDivider),
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AMOUNT
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);
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tokenDivider.claimNft(address(erc721Mock));
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vm.stopPrank();
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assertEq(
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erc721Mock.ownerOf(newTokenId),
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address(USER2)
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);
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assertEq(
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erc721Mock.ownerOf(TOKEN_ID),
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address(tokenDivider)
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);
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// assert ERC20 address before USER claim NFT
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// @audit-report: it returns different erc20 address
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// @dev: feel free to uncomment to see the error
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/*
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assertEq(
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address(
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tokenDivider.getErc20InfoFromNft(
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address(erc721Mock)
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).erc20Address
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),
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address(erc20Mock)
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);
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*/
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// USER claim NFT
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vm.startPrank(USER2);
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erc20MockWithNewTokenId.approve(
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address(tokenDivider),
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AMOUNT
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);
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// @dev: it weirdly returns ERC721InsufficientApproval
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// despite its already approved in above.
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// maybe because of different ERC20 address?
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// @dev: changing the ERC20 address and the USER prank
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// doesn't help
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/*
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tokenDivider.claimNft(address(erc721Mock));
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vm.stopPrank();
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assertEq(
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erc721Mock.ownerOf(TOKEN_ID),
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address(USER)
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);
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*/
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}
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}
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