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/* This file is part of DarkFi (https://dark.fi)
*
* Copyright (C) 2020-2024 Dyne.org foundation
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
use std::{
fmt::{self, Debug},
str::FromStr,
};
#[cfg(feature = "async")]
use darkfi_serial::async_trait;
use darkfi_serial::{SerialDecodable, SerialEncodable};
use super::{
crypto::ContractId,
hex::{decode_hex_arr, AsHex},
ContractError, GenericResult,
};
#[derive(Copy, Clone, Debug, Eq, Hash, PartialEq, SerialEncodable, SerialDecodable)]
// We have to introduce a type rather than using an alias so we can implement Display
pub struct TransactionHash(pub [u8; 32]);
impl TransactionHash {
pub fn new(data: [u8; 32]) -> Self {
Self(data)
}
pub fn none() -> Self {
Self([0; 32])
}
#[inline]
pub fn inner(&self) -> &[u8; 32] {
&self.0
}
pub fn as_string(&self) -> String {
self.0.hex().to_string()
}
}
impl FromStr for TransactionHash {
type Err = ContractError;
fn from_str(tx_hash_str: &str) -> GenericResult<Self> {
Ok(Self(decode_hex_arr(tx_hash_str)?))
}
}
impl fmt::Display for TransactionHash {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", self.0.hex())
}
}
// ANCHOR: contractcall
/// A ContractCall is the part of a transaction that executes a certain
/// `contract_id` with `data` as the call's payload.
#[derive(Clone, Eq, PartialEq, SerialEncodable, SerialDecodable)]
pub struct ContractCall {
/// ID of the contract invoked
pub contract_id: ContractId,
/// Call data passed to the contract
pub data: Vec<u8>,
}
// ANCHOR_END: contractcall
// Avoid showing the data in the debug output since often the calldata is very long.
impl std::fmt::Debug for ContractCall {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "ContractCall(id={:?}", self.contract_id.inner())?;
let calldata = &self.data;
if !calldata.is_empty() {
write!(f, ", function_code={}", calldata[0])?;
}
write!(f, ")")
}
}