87 lines
2.6 KiB
Rust
87 lines
2.6 KiB
Rust
// Copyright 2015, 2016 Ethcore (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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//! Spec account deserialization.
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use std::collections::BTreeMap;
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use uint::Uint;
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use bytes::Bytes;
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use spec::builtin::Builtin;
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/// Spec account.
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#[derive(Debug, PartialEq, Deserialize)]
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pub struct Account {
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/// Builtin contract.
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pub builtin: Option<Builtin>,
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/// Balance.
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pub balance: Option<Uint>,
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/// Nonce.
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pub nonce: Option<Uint>,
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/// Code.
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pub code: Option<Bytes>,
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/// Storage
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pub storage: Option<BTreeMap<Uint, Uint>>,
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}
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impl Account {
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/// Returns true if account does not have nonce and balance.
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pub fn is_empty(&self) -> bool {
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self.balance.is_none() && self.nonce.is_none() && self.code.is_none() && self.storage.is_none()
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}
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}
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#[cfg(test)]
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mod tests {
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use std::collections::BTreeMap;
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use serde_json;
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use spec::account::Account;
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use util::U256;
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use uint::Uint;
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use bytes::Bytes;
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#[test]
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fn account_deserialization() {
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let s = r#"{
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"balance": "1",
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"nonce": "0",
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"builtin": { "name": "ecrecover", "pricing": { "linear": { "base": 3000, "word": 0 } } },
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"code": "1234"
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}"#;
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let deserialized: Account = serde_json::from_str(s).unwrap();
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assert_eq!(deserialized.balance.unwrap(), Uint(U256::from(1)));
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assert_eq!(deserialized.nonce.unwrap(), Uint(U256::from(0)));
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assert_eq!(deserialized.code.unwrap(), Bytes::new(vec![0x12, 0x34]));
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assert!(deserialized.builtin.is_some()); // Further tested in builtin.rs
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}
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#[test]
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fn account_storage_deserialization() {
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let s = r#"{
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"balance": "1",
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"nonce": "0",
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"code": "1234",
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"storage": { "0x7fffffffffffffff7fffffffffffffff": "0x1" }
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}"#;
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let deserialized: Account = serde_json::from_str(s).unwrap();
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assert_eq!(deserialized.balance.unwrap(), Uint(U256::from(1)));
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assert_eq!(deserialized.nonce.unwrap(), Uint(U256::from(0)));
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assert_eq!(deserialized.code.unwrap(), Bytes::new(vec![0x12, 0x34]));
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let mut storage = BTreeMap::new();
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storage.insert(Uint(U256::from("7fffffffffffffff7fffffffffffffff")), Uint(U256::from(1)));
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assert_eq!(deserialized.storage.unwrap(), storage);
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}
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}
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