pub struct TokenSymbol(/* private fields */);Expand description
Represents a string token symbol (e.g. “POL”, “ETH”) as a single Felt value.
Token Symbols can consists of up to 6 capital Latin characters, e.g. “C”, “ETH”, “MIDENC”.
Implementations§
Source§impl TokenSymbol
impl TokenSymbol
Sourcepub const MAX_SYMBOL_LENGTH: usize = 6
pub const MAX_SYMBOL_LENGTH: usize = 6
Maximum allowed length of the token string.
Sourcepub const ALPHABET_LENGTH: u64 = 26
pub const ALPHABET_LENGTH: u64 = 26
The length of the set of characters that can be used in a token’s name.
Sourcepub const MAX_ENCODED_VALUE: u64 = 8031810156
pub const MAX_ENCODED_VALUE: u64 = 8031810156
The maximum integer value of an encoded TokenSymbol.
This value encodes the “ZZZZZZ” token symbol.
Sourcepub const fn from_static_str(symbol: &'static str) -> TokenSymbol
pub const fn from_static_str(symbol: &'static str) -> TokenSymbol
Constructs a new TokenSymbol from a static string.
This function is const and can be used to define token symbols as constants, e.g.:
const TOKEN: TokenSymbol = TokenSymbol::from_static_str("ETH");This is convenient because using a string that is not a valid token symbol fails to compile.
§Panics
Panics if:
- The length of the provided string is less than 1 or greater than 6.
- The provided token string contains characters that are not uppercase ASCII.
Sourcepub fn new(symbol: &str) -> Result<TokenSymbol, TokenSymbolError>
pub fn new(symbol: &str) -> Result<TokenSymbol, TokenSymbolError>
Creates a new TokenSymbol instance from the provided token name string.
§Errors
Returns an error if:
- The length of the provided string is less than 1 or greater than 6.
- The provided token string contains characters that are not uppercase ASCII.
Sourcepub fn to_string(&self) -> Result<String, TokenSymbolError>
pub fn to_string(&self) -> Result<String, TokenSymbolError>
Returns the token name string from the encoded TokenSymbol value.
§Errors
Returns an error if:
- The encoded value exceeds the maximum value of
Self::MAX_ENCODED_VALUE. - The encoded token string length is less than 1 or greater than 6.
- The encoded token string length is less than the actual string length.
Trait Implementations§
Source§impl Clone for TokenSymbol
impl Clone for TokenSymbol
Source§fn clone(&self) -> TokenSymbol
fn clone(&self) -> TokenSymbol
Returns a duplicate of the value. Read more
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreSource§impl Debug for TokenSymbol
impl Debug for TokenSymbol
Source§impl Default for TokenSymbol
impl Default for TokenSymbol
Source§fn default() -> TokenSymbol
fn default() -> TokenSymbol
Returns the “default value” for a type. Read more
Source§impl From<TokenSymbol> for BaseElement
impl From<TokenSymbol> for BaseElement
Source§fn from(symbol: TokenSymbol) -> BaseElement
fn from(symbol: TokenSymbol) -> BaseElement
Converts to this type from the input type.
Source§impl PartialEq for TokenSymbol
impl PartialEq for TokenSymbol
Source§impl TryFrom<&str> for TokenSymbol
impl TryFrom<&str> for TokenSymbol
Source§type Error = TokenSymbolError
type Error = TokenSymbolError
The type returned in the event of a conversion error.
Source§fn try_from(
symbol: &str,
) -> Result<TokenSymbol, <TokenSymbol as TryFrom<&str>>::Error>
fn try_from( symbol: &str, ) -> Result<TokenSymbol, <TokenSymbol as TryFrom<&str>>::Error>
Performs the conversion.
Source§impl TryFrom<BaseElement> for TokenSymbol
impl TryFrom<BaseElement> for TokenSymbol
Source§type Error = TokenSymbolError
type Error = TokenSymbolError
The type returned in the event of a conversion error.
Source§fn try_from(
felt: BaseElement,
) -> Result<TokenSymbol, <TokenSymbol as TryFrom<BaseElement>>::Error>
fn try_from( felt: BaseElement, ) -> Result<TokenSymbol, <TokenSymbol as TryFrom<BaseElement>>::Error>
Performs the conversion.
impl Copy for TokenSymbol
impl StructuralPartialEq for TokenSymbol
Auto Trait Implementations§
impl Freeze for TokenSymbol
impl RefUnwindSafe for TokenSymbol
impl Send for TokenSymbol
impl Sync for TokenSymbol
impl Unpin for TokenSymbol
impl UnsafeUnpin for TokenSymbol
impl UnwindSafe for TokenSymbol
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