error.hpp

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#pragma once
 
#include <cstdint>
#include <expected>
#include <string>
#include <string_view>
 
namespace kalshi {
 
enum class ErrorCode : std::uint8_t {
    NetworkError,        
    AuthenticationError, 
    InvalidRequest,      
    NotFound,            
    RateLimited,         
    ServerError,         
    ParseError,          
    SigningError,        
    InvalidKey,          
    Unknown
};
 
struct Error {
    ErrorCode code{ErrorCode::Unknown};
    std::string message;
    int http_status{0};
    std::string api_code;
 
    [[nodiscard]] static Error network(std::string msg) {
        return {ErrorCode::NetworkError, std::move(msg), 0, {}};
    }
 
    [[nodiscard]] static Error auth(std::string msg) {
        return {ErrorCode::AuthenticationError, std::move(msg), 0, {}};
    }
 
    [[nodiscard]] static Error parse(std::string msg) {
        return {ErrorCode::ParseError, std::move(msg), 0, {}};
    }
 
    [[nodiscard]] static Error signing(std::string msg) {
        return {ErrorCode::SigningError, std::move(msg), 0, {}};
    }
};
 
template <typename T>
using Result = std::expected<T, Error>;
 
} // namespace kalshi