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use crate::bytes::{NumBytes, Read, Write};
use alloc::string::{String, ToString};
use core::fmt;
use core::num::{NonZeroU64, ParseIntError};
use core::str::FromStr;
#[derive(
Read,
Write,
NumBytes,
PartialEq,
Eq,
PartialOrd,
Ord,
Debug,
Clone,
Hash,
Default,
)]
#[eosio(crate_path = "crate::bytes")]
pub struct BlockId(String);
impl fmt::Display for BlockId {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", self.0)
}
}
#[derive(
Read,
Write,
NumBytes,
PartialEq,
Eq,
PartialOrd,
Ord,
Debug,
Clone,
Copy,
Hash,
)]
#[eosio(crate_path = "crate::bytes")]
pub struct BlockNum(NonZeroU64);
impl fmt::Display for BlockNum {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", self.0)
}
}
impl FromStr for BlockNum {
type Err = ParseIntError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
s.parse::<NonZeroU64>().map(Self)
}
}
#[derive(PartialEq, Eq, PartialOrd, Ord, Debug, Clone, Hash)]
pub enum BlockNumOrId {
Id(BlockId),
Num(BlockNum),
}
impl FromStr for BlockNumOrId {
type Err = ParseIntError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s.parse::<BlockNum>() {
Ok(num) => Ok(Self::Num(num)),
Err(_) => Ok(Self::Id(BlockId(s.to_string()))),
}
}
}
impl fmt::Display for BlockNumOrId {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::Num(num) => write!(f, "{}", num),
Self::Id(id) => write!(f, "{}", id),
}
}
}