Struct fvm::machine::MachineContext
source · pub struct MachineContext {
pub network: NetworkConfig,
pub epoch: ChainEpoch,
pub timestamp: u64,
pub base_fee: TokenAmount,
pub initial_state_root: Cid,
pub circ_supply: TokenAmount,
pub tracing: bool,
}
Expand description
Per-epoch machine context.
Fields§
§network: NetworkConfig
Network-level settings.
epoch: ChainEpoch
The current epoch
Default: 0
timestamp: u64
The UNIX timestamp (in seconds) of the current tipset
Default: 0
base_fee: TokenAmount
The base fee that’s in effect when the Machine runs.
Default: 0.
initial_state_root: Cid
The initial state root on which this block is based.
circ_supply: TokenAmount
v15 and onwards: The amount of FIL that has vested from genesis actors. v14 and earlier: The amount of FIL that has vested from genesis msigs (the remainder of the circ supply must be calculated by the FVM)
DEFAULT: Total FIL supply (likely not what you want).
tracing: bool
Whether or not to produce execution traces in the returned result. Not consensus-critical, but has a performance impact.
Implementations§
source§impl MachineContext
impl MachineContext
sourcepub fn set_base_fee(&mut self, amt: TokenAmount) -> &mut Self
pub fn set_base_fee(&mut self, amt: TokenAmount) -> &mut Self
Sets MachineContext::base_fee
.
sourcepub fn set_circulating_supply(&mut self, amt: TokenAmount) -> &mut Self
pub fn set_circulating_supply(&mut self, amt: TokenAmount) -> &mut Self
sourcepub fn enable_tracing(&mut self) -> &mut Self
pub fn enable_tracing(&mut self) -> &mut Self
Enable execution traces. MachineContext::tracing
.
Methods from Deref<Target = NetworkConfig>§
sourcepub fn enable_actor_debugging(&mut self) -> &mut Self
pub fn enable_actor_debugging(&mut self) -> &mut Self
Enable actor debugging. This is a consensus-critical option (affects gas usage) so it should only be enabled for local testing or as a network-wide parameter.
sourcepub fn override_actors(&mut self, manifest: Cid) -> &mut Self
pub fn override_actors(&mut self, manifest: Cid) -> &mut Self
Override actors with the specific manifest. This is primarily useful for testing, or networks prior to NV16 (where the actor’s “manifest” isn’t specified on-chain).
sourcepub fn redirect_actors(&mut self, actor_redirect: Vec<(Cid, Cid)>) -> &mut Self
pub fn redirect_actors(&mut self, actor_redirect: Vec<(Cid, Cid)>) -> &mut Self
Set actor redirects for debug execution
sourcepub fn for_epoch(
&self,
epoch: ChainEpoch,
timestamp: u64,
initial_state: Cid,
) -> MachineContext
pub fn for_epoch( &self, epoch: ChainEpoch, timestamp: u64, initial_state: Cid, ) -> MachineContext
Create a [‘MachineContext’] for a given epoch, timestamp, and initial state.
Trait Implementations§
source§impl Clone for MachineContext
impl Clone for MachineContext
source§fn clone(&self) -> MachineContext
fn clone(&self) -> MachineContext
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read moresource§impl Debug for MachineContext
impl Debug for MachineContext
source§impl DerefMut for MachineContext
impl DerefMut for MachineContext
Auto Trait Implementations§
impl Freeze for MachineContext
impl RefUnwindSafe for MachineContext
impl Send for MachineContext
impl Sync for MachineContext
impl Unpin for MachineContext
impl UnwindSafe for MachineContext
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