85 lines
1.8 KiB
Rust
85 lines
1.8 KiB
Rust
use std::marker::PhantomData;
|
|
use util::hash::*;
|
|
use util::bytes::*;
|
|
use util::uint::*;
|
|
use util::rlp::*;
|
|
|
|
#[derive(Eq, PartialEq)]
|
|
pub enum TransactionKind {
|
|
ContractCreation,
|
|
MessageCall
|
|
}
|
|
|
|
/// A set of information describing an externally-originating message call
|
|
/// or contract creation operation.
|
|
pub struct Transaction {
|
|
pub nonce: U256,
|
|
pub gas_price: U256,
|
|
pub gas: U256,
|
|
pub to: Option<Address>,
|
|
pub value: U256,
|
|
pub data: Bytes,
|
|
}
|
|
|
|
impl Transaction {
|
|
pub fn new() -> Self {
|
|
Transaction {
|
|
nonce: U256::zero(),
|
|
gas_price: U256::zero(),
|
|
gas: U256::zero(),
|
|
to: None,
|
|
value: U256::zero(),
|
|
data: vec![]
|
|
}
|
|
}
|
|
|
|
/// Is this transaction meant to create a contract?
|
|
pub fn is_contract_creation(&self) -> bool {
|
|
self.kind() == TransactionKind::ContractCreation
|
|
}
|
|
|
|
/// Is this transaction meant to send a message?
|
|
pub fn is_message_call(&self) -> bool {
|
|
self.kind() == TransactionKind::MessageCall
|
|
}
|
|
|
|
/// Returns transaction type.
|
|
pub fn kind(&self) -> TransactionKind {
|
|
match self.to.is_some() {
|
|
true => TransactionKind::MessageCall,
|
|
false => TransactionKind::ContractCreation
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Encodable for Transaction {
|
|
fn encode<E>(&self, encoder: &mut E) where E: Encoder {
|
|
encoder.emit_list(| e | {
|
|
self.nonce.encode(e);
|
|
self.gas_price.encode(e);
|
|
self.gas.encode(e);
|
|
self.to.encode(e);
|
|
self.value.encode(e);
|
|
self.data.encode(e);
|
|
})
|
|
}
|
|
}
|
|
|
|
impl Decodable for Transaction {
|
|
fn decode<D>(decoder: &D) -> Result<Self, DecoderError> where D: Decoder {
|
|
let d = try!(decoder.as_list());
|
|
|
|
let transaction = Transaction {
|
|
nonce: try!(Decodable::decode(&d[0])),
|
|
gas_price: try!(Decodable::decode(&d[1])),
|
|
gas: try!(Decodable::decode(&d[2])),
|
|
to: try!(Decodable::decode(&d[3])),
|
|
value: try!(Decodable::decode(&d[4])),
|
|
data: try!(Decodable::decode(&d[5])),
|
|
};
|
|
|
|
Ok(transaction)
|
|
}
|
|
}
|
|
|