Add NFT contract #569
Add NFT contract #569
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Actionable comments posted: 0
🧹 Outside diff range and nitpick comments (2)
prediction_market_agent_tooling/tools/contract.py (2)
393-406: Consider enhancing the safeMint method with tokenId parameter.The current implementation assumes auto-incrementing tokenIds. Consider making the tokenId parameter explicit for better flexibility and control over token minting.
def safeMint( self, api_keys: APIKeys, to_address: ChecksumAddress, + token_id: int, tx_params: t.Optional[TxParams] = None, web3: Web3 | None = None, ) -> TxReceipt: return self.send( api_keys=api_keys, function_name="safeMint", - function_params=[to_address], + function_params=[to_address, token_id], tx_params=tx_params, web3=web3, )
428-443: Document the empty data parameter in safeTransferFrom.The method uses an empty bytes string for the data parameter. Consider adding a docstring explaining this choice and whether custom data can be passed.
def safeTransferFrom( self, api_keys: APIKeys, from_address: ChecksumAddress, to_address: ChecksumAddress, tokenId: int, tx_params: t.Optional[TxParams] = None, web3: Web3 | None = None, ) -> TxReceipt: + """ + Safely transfers the ownership of a given token ID to another address. + + Args: + api_keys: API keys for transaction signing + from_address: Current owner of the token + to_address: Address to receive the ownership of the given token ID + tokenId: ID of the token to be transferred + tx_params: Optional transaction parameters + web3: Optional Web3 instance + + Note: + Uses empty bytes for the data parameter as no additional data is required + for standard transfers. Override this method if custom data handling is needed. + """ return self.send( api_keys=api_keys, function_name="safeTransferFrom", function_params=[from_address, to_address, tokenId, b""], tx_params=tx_params, web3=web3, )
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⛔ Files ignored due to path filters (1)
prediction_market_agent_tooling/abis/ownable_erc721.abi.jsonis excluded by!**/*.json
📒 Files selected for processing (1)
prediction_market_agent_tooling/tools/contract.py(2 hunks)
🔇 Additional comments (2)
prediction_market_agent_tooling/tools/contract.py (2)
467-473: LGTM! Chain-specific implementation follows the established pattern.
The class correctly combines the ERC-721 base functionality with Gnosis Chain configuration.
386-391: Verify the existence of ownable_erc721.abi.json.
Ensure that the ABI file exists at the specified path and contains the required ERC-721 interface definitions.
✅ Verification successful
ABI file exists and contains all required ERC-721 interface functions
The verification confirms that:
- The ABI file exists at the expected path:
prediction_market_agent_tooling/abis/ownable_erc721.abi.json - The file contains all essential ERC-721 interface functions:
balanceOfnameownerOfsafeMintsafeTransferFromsymboltokenURI
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Verify the existence and content of the ERC-721 ABI file
# Check if the ABI file exists
fd -t f "ownable_erc721.abi.json"
# If found, verify it contains essential ERC-721 function signatures
fd -t f "ownable_erc721.abi.json" -x cat {} | jq -r '.[] | select(.type == "function") | .name' | grep -E "^(safeMint|balanceOf|ownerOf|name|symbol|tokenURI|safeTransferFrom)$"
Length of output: 355
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Actionable comments posted: 2
🧹 Outside diff range and nitpick comments (4)
prediction_market_agent_tooling/tools/contract.py (4)
385-391: Add a docstring toContractOwnableERC721BaseClassfor clarity.Including a docstring that describes the purpose and usage of the
ContractOwnableERC721BaseClasswill improve code readability and maintainability.
416-423: Consider caching the results ofname()andsymbol()methods.Since the
nameandsymbolof an ERC-721 token are constant, caching these values can reduce unnecessary contract calls and improve performance.Apply this diff to implement caching:
+ def name_cached(self, web3: Web3 | None = None) -> str: + web3 = web3 or self.get_web3() + cache_key = create_contract_method_cache_key(self.name, web3) + if cache_key not in self._cache: + self._cache[cache_key] = self.name(web3=web3) + return self._cache[cache_key] + + def symbol_cached(self, web3: Web3 | None = None) -> str: + web3 = web3 or self.get_web3() + cache_key = create_contract_method_cache_key(self.symbol, web3) + if cache_key not in self._cache: + self._cache[cache_key] = self.symbol(web3=web3) + return self._cache[cache_key]
412-415: Handle exceptions inownerOfmethod for non-existenttokenId.If
ownerOfis called with atokenIdthat does not exist, it may raise an exception. Consider handling this scenario gracefully or documenting the expected behavior to improve robustness.
467-473: Add a docstring toContractOwnableERC721OnGnosisChainfor clarity.Providing a detailed docstring for
ContractOwnableERC721OnGnosisChainwill enhance readability and help others understand the class's purpose and usage.
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⛔ Files ignored due to path filters (1)
pyproject.tomlis excluded by!**/*.toml
📒 Files selected for processing (1)
prediction_market_agent_tooling/tools/contract.py(2 hunks)
| def safeMint( | ||
| self, | ||
| api_keys: APIKeys, | ||
| to_address: ChecksumAddress, | ||
| tx_params: t.Optional[TxParams] = None, | ||
| web3: Web3 | None = None, | ||
| ) -> TxReceipt: |
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Ensure access control is properly implemented in safeMint method.
The safeMint function typically should be restricted to authorized accounts (e.g., the contract owner). Verify that the smart contract enforces appropriate access control to prevent unauthorized minting.
| def safeTransferFrom( | ||
| self, | ||
| api_keys: APIKeys, | ||
| from_address: ChecksumAddress, | ||
| to_address: ChecksumAddress, | ||
| tokenId: int, | ||
| tx_params: t.Optional[TxParams] = None, | ||
| web3: Web3 | None = None, | ||
| ) -> TxReceipt: | ||
| return self.send( | ||
| api_keys=api_keys, | ||
| function_name="safeTransferFrom", | ||
| function_params=[from_address, to_address, tokenId], | ||
| tx_params=tx_params, | ||
| web3=web3, | ||
| ) |
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Verify parameter order for safeTransferFrom method.
Ensure that the parameter order [from_address, to_address, tokenId] aligns with the ERC-721 standard. Incorrect parameter ordering may lead to unexpected behavior.
Run the following script to verify the parameter order in the ABI:
#!/bin/bash
# Description: Verify the parameter order of the `safeTransferFrom` function in the ABI.
# Expected parameters: (address from, address to, uint256 tokenId)
jq -r '.[] | select(.name=="safeTransferFrom" and .inputs | length == 3) | .inputs[] | "\(.type) \(.name)"' \
prediction_market_agent_tooling/abis/ownable_erc721.abi.json
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Just an observation -> ERC721 (like ERC20) has a |
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But this is PMAT; the General Agent doesn't have automatic access to all methods defined in these contract classes. |
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