BacktestingUtils

Git Source

Title: BacktestingUtils

Author: Phylax Systems

Utility functions for the backtesting framework

Provides parsing, string manipulation, and error decoding utilities used internally by CredibleTestWithBacktesting

Functions

extractDataLine

Extract transaction data from fetcher output

function extractDataLine(string memory output) internal pure returns (string memory);

_isWhitespace

Check if a character is whitespace

function _isWhitespace(bytes1 char) private pure returns (bool);

splitString

Simple pipe-delimited string splitter

function splitString(string memory str, string memory) internal pure returns (string[] memory);

stringToUint

Parse hex or decimal string to uint256

function stringToUint(string memory str) internal pure returns (uint256);

stringToAddress

Parse hex address string to address

function stringToAddress(string memory str) internal pure returns (address);

stringToBytes32

Parse hex string to bytes32

function stringToBytes32(string memory str) internal pure returns (bytes32);

hexStringToBytes

Parse hex string to bytes

function hexStringToBytes(string memory str) internal pure returns (bytes memory);

bytes32ToHex

Convert bytes32 to hex string

function bytes32ToHex(bytes32 data) internal pure returns (string memory);

extractFunctionSelector

Extract function selector from calldata

function extractFunctionSelector(bytes memory data) internal pure returns (string memory);

parseMultipleTransactions

Parse multiple transactions from a single data line

function parseMultipleTransactions(string memory txDataString)
    internal
    pure
    returns (BacktestingTypes.TransactionData[] memory transactions);

_hexCharToUint8

Convert hex character to uint8

function _hexCharToUint8(bytes1 char) private pure returns (uint8);

substring

Helper to get substring for debugging

function substring(string memory str, uint256 start, uint256 len) private pure returns (string memory);

decodeRevertReason

Decode revert reason from error data

function decodeRevertReason(bytes memory data) internal pure returns (string memory);

Parameters

Returns

_panicCodeToString

Convert panic code to human-readable string

function _panicCodeToString(uint256 code) private pure returns (string memory);

bytesToHex

Convert bytes to hex string

function bytesToHex(bytes memory data) internal pure returns (bytes memory);

Parameters

Returns

getErrorTypeString

Get human-readable error type string from validation result

function getErrorTypeString(BacktestingTypes.ValidationResult result) internal pure returns (string memory);

Parameters

Returns

startsWith

Check if a string starts with a prefix

function startsWith(string memory str, string memory prefix) internal pure returns (bool);

Parameters

Returns

getDefaultScriptSearchPaths

Get the standard search paths for transaction_fetcher.sh

function getDefaultScriptSearchPaths() internal pure returns (string[] memory);

Returns