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use ethereum_types::{U256, H256, Address};
use bytes::Bytes;
use hash::{keccak, KECCAK_EMPTY};
use ethjson;
use call_type::CallType;
use std::sync::Arc;
#[derive(Clone, Debug)]
pub enum ActionValue {
Transfer(U256),
Apparent(U256)
}
#[derive(Clone, Debug)]
pub enum ParamsType {
Embedded,
Separate,
}
impl ActionValue {
pub fn value(&self) -> U256 {
match *self {
ActionValue::Transfer(x) | ActionValue::Apparent(x) => x
}
}
pub fn transfer<T: Into<U256>>(transfer_value: T) -> ActionValue {
ActionValue::Transfer(transfer_value.into())
}
pub fn apparent<T: Into<U256>>(apparent_value: T) -> ActionValue {
ActionValue::Apparent(apparent_value.into())
}
}
#[derive(Clone, Debug)]
pub struct ActionParams {
pub code_address: Address,
pub code_hash: Option<H256>,
pub address: Address,
pub sender: Address,
pub origin: Address,
pub gas: U256,
pub gas_price: U256,
pub value: ActionValue,
pub code: Option<Arc<Bytes>>,
pub data: Option<Bytes>,
pub call_type: CallType,
pub params_type: ParamsType,
}
impl Default for ActionParams {
fn default() -> ActionParams {
ActionParams {
code_address: Address::new(),
code_hash: Some(KECCAK_EMPTY),
address: Address::new(),
sender: Address::new(),
origin: Address::new(),
gas: U256::zero(),
gas_price: U256::zero(),
value: ActionValue::Transfer(U256::zero()),
code: None,
data: None,
call_type: CallType::None,
params_type: ParamsType::Separate,
}
}
}
impl From<ethjson::vm::Transaction> for ActionParams {
fn from(t: ethjson::vm::Transaction) -> Self {
let address: Address = t.address.into();
ActionParams {
code_address: Address::new(),
code_hash: Some(keccak(&*t.code)),
address: address,
sender: t.sender.into(),
origin: t.origin.into(),
code: Some(Arc::new(t.code.into())),
data: Some(t.data.into()),
gas: t.gas.into(),
gas_price: t.gas_price.into(),
value: ActionValue::Transfer(t.value.into()),
call_type: match address.is_zero() { true => CallType::None, false => CallType::Call },
params_type: ParamsType::Separate,
}
}
}