Function: parsePaymasterAndData(byte[] paymasterAndData)

This function is used to parse the paymasterAndData field of the UserOperation struct.

Inputs

• paymasterAndData

  • Control: Fully controlled by the user.

  • Constraints: It must be data in a valid format, where the data from the VALID_PND_OFFSET-1 to the VALID_PND_OFFSET should represent the priceSource. The data from the VALID_PND_OFFSET to the SIGNATURE_OFFSET is the ABI-encoded validUntil, validAfter, feeToken, oracleAggregator, exchangeRate, and fee. Data following the SIGNATURE_OFFSET position is a valid signature.

  • Impact: This is the structural data to be parsed.

Branches and code coverage (including function calls)

Intended branches

• Succeeds with parsing data properly.

  Test coverage

Negative behavior

• Invalid paymasterAndData causes revert.

  Negative test