openethereum/crates/ethjson/src/transaction/transaction.rs

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// Copyright 2015-2020 Parity Technologies (UK) Ltd.
// This file is part of OpenEthereum.
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// OpenEthereum 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
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
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// OpenEthereum is distributed in the hope that it will be useful,
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// 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
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// along with OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
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//! Transaction test transaction deserialization.
use crate::{bytes::Bytes, hash::Address, maybe::MaybeEmpty, uint::Uint};
use common_types::transaction::{
signature, Action, SignatureComponents, Transaction as CoreTransaction, TypedTransaction,
UnverifiedTransaction,
};
use ethereum_types::H256;
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/// Transaction test transaction deserialization.
#[derive(Debug, PartialEq, Deserialize)]
#[serde(rename_all = "camelCase")]
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pub struct Transaction {
/// Transaction data.
pub data: Bytes,
/// Gas limit.
pub gas_limit: Uint,
/// Gas price.
pub gas_price: Uint,
/// Nonce.
pub nonce: Uint,
/// To.
pub to: MaybeEmpty<Address>,
/// Value.
pub value: Uint,
/// R.
pub r: Uint,
/// S.
pub s: Uint,
/// V.
pub v: Uint,
}
impl From<Transaction> for UnverifiedTransaction {
fn from(t: Transaction) -> Self {
let to: Option<Address> = t.to.into();
UnverifiedTransaction {
unsigned: TypedTransaction::Legacy(CoreTransaction {
nonce: t.nonce.into(),
gas_price: t.gas_price.into(),
gas: t.gas_limit.into(),
action: match to {
Some(to) => Action::Call(to.into()),
None => Action::Create,
},
value: t.value.into(),
data: t.data.into(),
}),
chain_id: signature::extract_chain_id_from_legacy_v(t.v.into()),
signature: SignatureComponents {
r: t.r.into(),
s: t.s.into(),
standard_v: signature::extract_standard_v(t.v.into()),
},
hash: H256::zero(),
}
.compute_hash()
}
}
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#[cfg(test)]
mod tests {
use super::Transaction;
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use serde_json;
#[test]
fn transaction_deserialization() {
let s = r#"{
"data" : "0x",
"gasLimit" : "0xf388",
"gasPrice" : "0x09184e72a000",
"nonce" : "0x00",
"r" : "0x2c",
"s" : "0x04",
"to" : "",
"v" : "0x1b",
"value" : "0x00"
}"#;
let _deserialized: Transaction = serde_json::from_str(s).unwrap();
// TODO: validate all fields
}
}