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API Basics

Slither has an API that lets you explore basic attributes of the contract and its functions.

To load a codebase:

from slither import Slither
slither = Slither('/path/to/project')

Exploring contracts and functions

A Slither object has:

  • contracts (list(Contract): list of contracts
  • contracts_derived (list(Contract): list of contracts that are not inherited by another contract (subset of contracts)
  • get_contract_from_name (str): Return a list of contract matching the name

A Contract object has:

  • name (str): Name of the contract
  • functions (list(Function)): List of functions
  • modifiers (list(Modifier)): List of functions
  • all_functions_called (list(Function/Modifier)): List of all the internal functions reachable by the contract
  • inheritance (list(Contract)): List of inherited contracts
  • get_function_from_signature (str): Return a Function from its signature
  • get_modifier_from_signature (str): Return a Modifier from its signature
  • get_state_variable_from_name (str): Return a StateVariable from its name

A Function or a Modifier object has:

  • name (str): Name of the function
  • contract (contract): the contract where the function is declared
  • nodes (list(Node)): List of the nodes composing the CFG of the function/modifier
  • entry_point (Node): Entry point of the CFG
  • variables_read (list(Variable)): List of variables read
  • variables_written (list(Variable)): List of variables written
  • state_variables_read (list(StateVariable)): List of state variables read (subset of variables`read)
  • state_variables_written (list(StateVariable)): List of state variables written (subset of variables`written)

Example: Print Basic Information

print_basic_information.py shows how to print basic information about a project.