SW-543 : Blockaid: "The transaction could not be checked.." on UI when the response has error from blockaid

[liliya-soroka]

Bug description

Blockaid: "The transaction could not be checked.." on UI when the response has error from blockaid

Environment

• Browser: Chrome
• Wallet: MetaMask
• Chain: Ethereum mainnet

Steps to reproduce

1. Go to eth:0x8675B754342754A30A2AeF474D114d8460bca19b
2. try to create send tx for the spam token" $ ETH35.com"
3. check risk error
   Current result: the tx could not be checked and no balance change on UI

4. check the scan request to blockaid and response
   Current result:

Payload : `{"chain":"ethereum","account_address":"0x8675B754342754A30A2AeF474D114d8460bca19b","data":{"method":"eth_signTypedData_v4","params":["0x8675B754342754A30A2AeF474D114d8460bca19b","{\"types\":{\"EIP712Domain\":[{\"type\":\"uint256\",\"name\":\"chainId\"},{\"type\":\"address\",\"name\":\"verifyingContract\"}],\"SafeTx\":[{\"type\":\"address\",\"name\":\"to\"},{\"type\":\"uint256\",\"name\":\"value\"},{\"type\":\"bytes\",\"name\":\"data\"},{\"type\":\"uint8\",\"name\":\"operation\"},{\"type\":\"uint256\",\"name\":\"safeTxGas\"},{\"type\":\"uint256\",\"name\":\"baseGas\"},{\"type\":\"uint256\",\"name\":\"gasPrice\"},{\"type\":\"address\",\"name\":\"gasToken\"},{\"type\":\"address\",\"name\":\"refundReceiver\"},{\"type\":\"uint256\",\"name\":\"nonce\"}]},\"domain\":{\"verifyingContract\":\"0x8675B754342754A30A2AeF474D114d8460bca19b\",\"chainId\":\"1\"},\"primaryType\":\"SafeTx\",\"message\":{\"to\":\"0xC6d3D201530a6D4aD9dFbAAd39C5f68A9A470a69\",\"value\":\"0\",\"data\":\"0xa9059cbb00000000000000000000000065f8236309e5a99ff0d129d04e486ebce20dc7b0000000000000000000000000000000000000000000000000000000000000000a\",\"operation\":0,\"baseGas\":\"0\",\"gasPrice\":\"0\",\"gasToken\":\"0x0000000000000000000000000000000000000000\",\"refundReceiver\":\"0x0000000000000000000000000000000000000000\",\"nonce\":397,\"safeTxGas\":\"0\"}}"]},"options":["simulation","validation"],"metadata":{"domain":"feat_nested_owner_signing--walletweb.review.5afe.dev"}}`

Expected result

Show the error from the blockaid on UI instead of "The tx could not be checked..."

Obtained result

Screenshots

Notion

https://www.notion.so/safe-global/Blockaid-The-transaction-could-not-be-checked-on-UI-when-the-response-has-error-from-blockaid-1428180fe5738056ba10d02cf0f22874?pvs=4