openethereum/json/src/spec/account.rs
2016-12-11 19:30:54 +01:00

87 lines
2.7 KiB
Rust

// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity 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 General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
//! Spec account deserialization.
use std::collections::BTreeMap;
use uint::Uint;
use bytes::Bytes;
use spec::builtin::Builtin;
/// Spec account.
#[derive(Debug, PartialEq, Deserialize)]
pub struct Account {
/// Builtin contract.
pub builtin: Option<Builtin>,
/// Balance.
pub balance: Option<Uint>,
/// Nonce.
pub nonce: Option<Uint>,
/// Code.
pub code: Option<Bytes>,
/// Storage
pub storage: Option<BTreeMap<Uint, Uint>>,
}
impl Account {
/// Returns true if account does not have nonce and balance.
pub fn is_empty(&self) -> bool {
self.balance.is_none() && self.nonce.is_none() && self.code.is_none() && self.storage.is_none()
}
}
#[cfg(test)]
mod tests {
use std::collections::BTreeMap;
use serde_json;
use spec::account::Account;
use util::U256;
use uint::Uint;
use bytes::Bytes;
#[test]
fn account_deserialization() {
let s = r#"{
"balance": "1",
"nonce": "0",
"builtin": { "name": "ecrecover", "pricing": { "linear": { "base": 3000, "word": 0 } } },
"code": "1234"
}"#;
let deserialized: Account = serde_json::from_str(s).unwrap();
assert_eq!(deserialized.balance.unwrap(), Uint(U256::from(1)));
assert_eq!(deserialized.nonce.unwrap(), Uint(U256::from(0)));
assert_eq!(deserialized.code.unwrap(), Bytes::new(vec![0x12, 0x34]));
assert!(deserialized.builtin.is_some()); // Further tested in builtin.rs
}
#[test]
fn account_storage_deserialization() {
let s = r#"{
"balance": "1",
"nonce": "0",
"code": "1234",
"storage": { "0x7fffffffffffffff7fffffffffffffff": "0x1" }
}"#;
let deserialized: Account = serde_json::from_str(s).unwrap();
assert_eq!(deserialized.balance.unwrap(), Uint(U256::from(1)));
assert_eq!(deserialized.nonce.unwrap(), Uint(U256::from(0)));
assert_eq!(deserialized.code.unwrap(), Bytes::new(vec![0x12, 0x34]));
let mut storage = BTreeMap::new();
storage.insert(Uint(U256::from("7fffffffffffffff7fffffffffffffff")), Uint(U256::from(1)));
assert_eq!(deserialized.storage.unwrap(), storage);
}
}