Issue in Implementing ERC721 Interface to my Project
0
I am trying to used ERC721 Interface but I got the Error in bytes parameter
TypeError: Data location must be "calldata" for parameter in external function, but none was given.
function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes data) external payable;
^--------^
Compilation failed. See above.
Truffle v5.0.2 (core: 5.0.2)
Node v10.14.1
function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes data) external payable;
ethereum truffle
edited Jan 20 at 18:29
smarx
48.6k46173
asked Jan 20 at 14:27
Nawaz_552Nawaz_552
116
add a comment |
0
I am trying to used ERC721 Interface but I got the Error in bytes parameter
TypeError: Data location must be "calldata" for parameter in external function, but none was given.
function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes data) external payable;
^--------^
Compilation failed. See above.
Truffle v5.0.2 (core: 5.0.2)
Node v10.14.1
function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes data) external payable;
ethereum truffle
edited Jan 20 at 18:29
smarx
48.6k46173
asked Jan 20 at 14:27
Nawaz_552Nawaz_552
116
add a comment |
0
0
0
I am trying to used ERC721 Interface but I got the Error in bytes parameter
TypeError: Data location must be "calldata" for parameter in external function, but none was given.
function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes data) external payable;
^--------^
Compilation failed. See above.
Truffle v5.0.2 (core: 5.0.2)
Node v10.14.1
function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes data) external payable;
ethereum truffle
edited Jan 20 at 18:29
smarx
48.6k46173
asked Jan 20 at 14:27
Nawaz_552Nawaz_552
116
I am trying to used ERC721 Interface but I got the Error in bytes parameter
TypeError: Data location must be "calldata" for parameter in external function, but none was given.
function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes data) external payable;
^--------^
Compilation failed. See above.
Truffle v5.0.2 (core: 5.0.2)
Node v10.14.1
function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes data) external payable;
ethereum truffle
ethereum truffle
edited Jan 20 at 18:29
smarx
48.6k46173
asked Jan 20 at 14:27
Nawaz_552Nawaz_552
116
edited Jan 20 at 18:29
smarx
48.6k46173
asked Jan 20 at 14:27
Nawaz_552Nawaz_552
116
edited Jan 20 at 18:29
smarx
48.6k46173
edited Jan 20 at 18:29
smarx
48.6k46173
edited Jan 20 at 18:29
smarx
48.6k46173
48.6k46173
asked Jan 20 at 14:27
Nawaz_552Nawaz_552
116
asked Jan 20 at 14:27
Nawaz_552Nawaz_552
116
asked Jan 20 at 14:27
Nawaz_552Nawaz_552
116
116
add a comment |
add a comment |
1 Answer
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As the error said, you need to specify calldata as the location for the parameter data:
function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes calldata data) external payable;
answered Jan 20 at 18:30
smarxsmarx
48.6k46173
add a comment |
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1 Answer
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1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
0
As the error said, you need to specify calldata as the location for the parameter data:
function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes calldata data) external payable;
answered Jan 20 at 18:30
smarxsmarx
48.6k46173
add a comment |
0
As the error said, you need to specify calldata as the location for the parameter data:
function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes calldata data) external payable;
answered Jan 20 at 18:30
smarxsmarx
48.6k46173
add a comment |
0
0
0
As the error said, you need to specify calldata as the location for the parameter data:
function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes calldata data) external payable;
answered Jan 20 at 18:30
smarxsmarx
48.6k46173
As the error said, you need to specify calldata as the location for the parameter data:
function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes calldata data) external payable;
answered Jan 20 at 18:30
smarxsmarx
48.6k46173
answered Jan 20 at 18:30
smarxsmarx
48.6k46173
answered Jan 20 at 18:30
smarxsmarx
48.6k46173
answered Jan 20 at 18:30
smarxsmarx
48.6k46173
48.6k46173
add a comment |
add a comment |
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