pub struct ExecutionStackElement {
pub address: Address,
pub coins: Amount,
pub owned_addresses: Vec<Address>,
pub operation_datastore: Option<Datastore>,
}
Expand description
Structure describing an element of the execution stack.
Every time a function is called from bytecode,
a new ExecutionStackElement
is pushed at the top of the execution stack
to represent the local execution context of the called function,
instead of the caller’s which should lie just below in the stack.
Fields§
§address: Address
Called address
coins: Amount
Coins transferred to the target address during the call
owned_addresses: Vec<Address>
List of addresses owned by the current call, and on which the current call has write access.
This list should contain ExecutionStackElement::address
in the sense that an address should have write access to itself.
This list should also contain all addresses created previously during the call
to allow write access on newly created addresses in order to set them up,
but only within the scope of the current stack element.
That way, only the current scope and neither its caller not the functions it calls gain this write access,
which is important for security.
Note that we use a vector instead of a pre-hashed set to ensure order determinism,
the performance hit of linear search remains minimal because owned_addresses
will always contain very few elements.
operation_datastore: Option<Datastore>
Datastore (key value store) for ExecuteSC
Operation
Trait Implementations§
source§impl Clone for ExecutionStackElement
impl Clone for ExecutionStackElement
source§fn clone(&self) -> ExecutionStackElement
fn clone(&self) -> ExecutionStackElement
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read moreAuto Trait Implementations§
impl RefUnwindSafe for ExecutionStackElement
impl Send for ExecutionStackElement
impl Sync for ExecutionStackElement
impl Unpin for ExecutionStackElement
impl UnwindSafe for ExecutionStackElement
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