atp-caip 0.1.3

Chain Agnostic Improvement Proposals (CAIP) implementation for ATP(Account Transfer Protocol)
Documentation 
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use candid::{CandidType, Decode, Encode};
use ic_stable_structures::{storable::Bound, Storable};
use serde::{Deserialize, Serialize};
use std::borrow::Cow;
use std::fmt;

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Hash, CandidType)]
pub enum Curve {
    #[serde(rename = "secp256k1")]
    Secp256k1,
    #[serde(rename = "ed25519")]
    Ed25519,
}
impl Storable for Curve {
    fn to_bytes(&self) -> Cow<[u8]> {
        Cow::Owned(Encode!(self).unwrap())
    }

    fn from_bytes(bytes: Cow<[u8]>) -> Self {
        Decode!(bytes.as_ref(), Curve).unwrap()
    }

    const BOUND: Bound = Bound::Unbounded;
}

impl fmt::Display for Curve {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        match self {
            Curve::Secp256k1 => write!(f, "secp256k1"),
            Curve::Ed25519 => write!(f, "ed25519"),
        }
    }
}