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/*
*
* Hedera Rust SDK
*
* Copyright (C) 2022 - 2023 Hedera Hashgraph, LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
use hedera_proto::services;
use crate::protobuf::ToProtobuf;
use crate::{
AccountId,
FromProtobuf,
TokenId,
};
/// A token <-> account association.
#[derive(Debug, Clone)]
#[cfg_attr(feature = "ffi", derive(serde::Serialize, serde::Deserialize))]
#[cfg_attr(feature = "ffi", serde(rename_all = "camelCase"))]
pub struct TokenAssociation {
/// The token involved in the association.
pub token_id: TokenId,
/// The account involved in the association.
pub account_id: AccountId,
}
impl TokenAssociation {
/// Create a new `TokenAssociation` from protobuf-encoded `bytes`.
///
/// # Errors
/// - [`Error::FromProtobuf`](crate::Error::FromProtobuf) if decoding the bytes fails to produce a valid protobuf.
/// - [`Error::FromProtobuf`](crate::Error::FromProtobuf) if decoding the protobuf fails.
pub fn from_bytes(bytes: &[u8]) -> crate::Result<Self> {
FromProtobuf::from_bytes(bytes)
}
/// Convert `self` to a protobuf-encoded [`Vec<u8>`].
#[must_use]
pub fn to_bytes(&self) -> Vec<u8> {
ToProtobuf::to_bytes(self)
}
}
impl FromProtobuf<services::TokenAssociation> for TokenAssociation {
fn from_protobuf(pb: services::TokenAssociation) -> crate::Result<Self>
where
Self: Sized,
{
let token_id = pb_getf!(pb, token_id)?;
let account_id = pb_getf!(pb, account_id)?;
Ok(Self {
token_id: TokenId::from_protobuf(token_id)?,
account_id: AccountId::from_protobuf(account_id)?,
})
}
}
impl ToProtobuf for TokenAssociation {
type Protobuf = services::TokenAssociation;
fn to_protobuf(&self) -> Self::Protobuf {
services::TokenAssociation {
token_id: Some(self.token_id.to_protobuf()),
account_id: Some(self.account_id.to_protobuf()),
}
}
}