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//! Parameters used by the VM.
#[cfg(not(feature = "std"))]
use alloc::vec::Vec;
#[cfg(not(feature = "std"))]
use alloc::rc::Rc;
#[cfg(feature = "std")]
use std::rc::Rc;
use bigint::{Address, Gas, U256};
#[cfg(feature = "std")]
use block::Header;
#[derive(Debug, Clone)]
/// Block header.
pub struct HeaderParams {
/// Block coinbase, the address that mines the block.
pub beneficiary: Address,
/// Block timestamp.
pub timestamp: u64,
/// The current block number.
pub number: U256,
/// Difficulty of the block.
pub difficulty: U256,
/// Total block gas limit.
pub gas_limit: Gas,
}
#[cfg(feature = "std")]
impl<'a> From<&'a Header> for HeaderParams {
fn from(val: &'a Header) -> HeaderParams {
HeaderParams {
beneficiary: val.beneficiary,
timestamp: val.timestamp,
number: val.number,
difficulty: val.difficulty,
gas_limit: val.gas_limit,
}
}
}
#[derive(Debug, Clone)]
/// A VM context. See the Yellow Paper for more information.
pub struct Context {
/// Address that is executing this runtime.
pub address: Address,
/// Caller of the runtime.
pub caller: Address,
/// Actual call target. The same as address unless for CALLCODE.
pub callee: Address,
/// Code to be executed.
pub code: Rc<Vec<u8>>,
/// Data associated with this execution.
pub data: Rc<Vec<u8>>,
/// Gas limit.
pub gas_limit: Gas,
/// Gas price.
pub gas_price: Gas,
/// The origin of the context. The same as caller when it is from
/// a transaction.
pub origin: Address,
/// Value passed for this runtime.
pub value: U256,
/// Apprent value in the execution context.
pub apprent_value: U256,
/// Whether this represents a system call.
pub is_system: bool,
/// Whether this call is static.
pub is_static: bool,
}
pub use block_core::Log;