Struct forest_filecoin::shim::fvm_latest::DefaultKernel
source · pub struct DefaultKernel<C> {
pub caller: u64,
pub actor_id: u64,
pub method: u64,
pub value_received: TokenAmount,
pub read_only: bool,
pub call_manager: C,
pub blocks: BlockRegistry,
}
Expand description
The “default” Kernel
implementation.
Fields§
§caller: u64
§actor_id: u64
§method: u64
§value_received: TokenAmount
§read_only: bool
§call_manager: C
The call manager for this call stack. If this kernel calls another actor, it will temporarily “give” the call manager to the other kernel before re-attaching it.
blocks: BlockRegistry
Tracks block data and organizes it through index handles so it can be referred to.
This does not yet reason about reachability.
Trait Implementations§
source§impl<C> ActorOps for DefaultKernel<C>where
C: CallManager,
impl<C> ActorOps for DefaultKernel<C>where
C: CallManager,
source§fn resolve_address(&self, address: &Address) -> Result<u64, ExecutionError>
fn resolve_address(&self, address: &Address) -> Result<u64, ExecutionError>
Resolves an address of any protocol to an ID address (via the Init actor’s table).
This allows resolution of externally-provided SECP, BLS, or actor addresses to the canonical form.
If the argument is an ID address it is returned directly.
source§fn get_actor_code_cid(&self, id: u64) -> Result<Cid<64>, ExecutionError>
fn get_actor_code_cid(&self, id: u64) -> Result<Cid<64>, ExecutionError>
Look up the code CID of an actor.
source§fn next_actor_address(&self) -> Result<Address, ExecutionError>
fn next_actor_address(&self) -> Result<Address, ExecutionError>
Computes an address for a new actor. The returned address is intended to uniquely refer to
the actor even in the event of a chain re-org (whereas an ID-address might refer to a
different actor after messages are re-ordered).
Always an ActorExec address.
source§fn create_actor(
&mut self,
code_id: Cid<64>,
actor_id: u64,
delegated_address: Option<Address>,
) -> Result<(), ExecutionError>
fn create_actor( &mut self, code_id: Cid<64>, actor_id: u64, delegated_address: Option<Address>, ) -> Result<(), ExecutionError>
Creates an actor with given
code_cid
, actor_id
, delegated_address
(if specified),
and an empty state.fn install_actor(&mut self, code_id: Cid<64>) -> Result<(), ExecutionError>
source§fn get_builtin_actor_type(
&self,
code_cid: &Cid<64>,
) -> Result<u32, ExecutionError>
fn get_builtin_actor_type( &self, code_cid: &Cid<64>, ) -> Result<u32, ExecutionError>
Returns the actor’s “type” (if builitin) or 0 (if not).
source§fn get_code_cid_for_type(&self, typ: u32) -> Result<Cid<64>, ExecutionError>
fn get_code_cid_for_type(&self, typ: u32) -> Result<Cid<64>, ExecutionError>
Returns the CodeCID for the supplied built-in actor type.
source§fn balance_of(&self, actor_id: u64) -> Result<TokenAmount, ExecutionError>
fn balance_of(&self, actor_id: u64) -> Result<TokenAmount, ExecutionError>
Returns the balance associated with an actor id
source§fn lookup_delegated_address(
&self,
actor_id: u64,
) -> Result<Option<Address>, ExecutionError>
fn lookup_delegated_address( &self, actor_id: u64, ) -> Result<Option<Address>, ExecutionError>
Looks up the “delegated” (f4) address of the specified actor, if any.
source§impl<C> CryptoOps for DefaultKernel<C>where
C: CallManager,
impl<C> CryptoOps for DefaultKernel<C>where
C: CallManager,
source§fn verify_signature(
&self,
sig_type: SignatureType,
signature: &[u8],
signer: &Address,
plaintext: &[u8],
) -> Result<bool, ExecutionError>
fn verify_signature( &self, sig_type: SignatureType, signature: &[u8], signer: &Address, plaintext: &[u8], ) -> Result<bool, ExecutionError>
Verifies that a signature is valid for an address and plaintext.
source§fn verify_bls_aggregate(
&self,
aggregate_sig: &[u8; 96],
pub_keys: &[[u8; 48]],
plaintexts_concat: &[u8],
plaintext_lens: &[u32],
) -> Result<bool, ExecutionError>
fn verify_bls_aggregate( &self, aggregate_sig: &[u8; 96], pub_keys: &[[u8; 48]], plaintexts_concat: &[u8], plaintext_lens: &[u32], ) -> Result<bool, ExecutionError>
Verifies a BLS aggregate signature. In the case where there is one signer/signed plaintext,
this is equivalent to verifying a non-aggregated BLS signature. Read more
source§fn recover_secp_public_key(
&self,
hash: &[u8; 32],
signature: &[u8; 65],
) -> Result<[u8; 65], ExecutionError>
fn recover_secp_public_key( &self, hash: &[u8; 32], signature: &[u8; 65], ) -> Result<[u8; 65], ExecutionError>
Given a message hash and its signature, recovers the public key of the signer.
source§fn hash(&self, code: u64, data: &[u8]) -> Result<Multihash<64>, ExecutionError>
fn hash(&self, code: u64, data: &[u8]) -> Result<Multihash<64>, ExecutionError>
Hashes input
data_in
using with the specified hash function, writing the output to
digest_out
, returning the size of the digest written to digest_out
. If digest_out
is
to small to fit the entire digest, it will be truncated. If too large, the leftover space
will not be overwritten.source§impl<C> DebugOps for DefaultKernel<C>where
C: CallManager,
impl<C> DebugOps for DefaultKernel<C>where
C: CallManager,
source§fn debug_enabled(&self) -> bool
fn debug_enabled(&self) -> bool
Returns whether debug mode is enabled.
source§fn store_artifact(&self, name: &str, data: &[u8]) -> Result<(), ExecutionError>
fn store_artifact(&self, name: &str, data: &[u8]) -> Result<(), ExecutionError>
Store an artifact.
Returns error on malformed name, returns Ok and logs the error on system/os errors.
source§impl<C> EventOps for DefaultKernel<C>where
C: CallManager,
impl<C> EventOps for DefaultKernel<C>where
C: CallManager,
source§fn emit_event(
&mut self,
event_headers: &[EventEntry],
event_keys: &[u8],
event_values: &[u8],
) -> Result<(), ExecutionError>
fn emit_event( &mut self, event_headers: &[EventEntry], event_keys: &[u8], event_values: &[u8], ) -> Result<(), ExecutionError>
Records an event emitted throughout execution.
source§impl<C> IpldBlockOps for DefaultKernel<C>where
C: CallManager,
impl<C> IpldBlockOps for DefaultKernel<C>where
C: CallManager,
source§fn block_open(
&mut self,
cid: &Cid<64>,
) -> Result<(u32, BlockStat), ExecutionError>
fn block_open( &mut self, cid: &Cid<64>, ) -> Result<(u32, BlockStat), ExecutionError>
Open a block. Read more
source§fn block_create(
&mut self,
codec: u64,
data: &[u8],
) -> Result<u32, ExecutionError>
fn block_create( &mut self, codec: u64, data: &[u8], ) -> Result<u32, ExecutionError>
Create a new block. Read more
source§fn block_link(
&mut self,
id: u32,
hash_fun: u64,
hash_len: u32,
) -> Result<Cid<64>, ExecutionError>
fn block_link( &mut self, id: u32, hash_fun: u64, hash_len: u32, ) -> Result<Cid<64>, ExecutionError>
Computes a CID for a block. Read more
source§fn block_read(
&self,
id: u32,
offset: u32,
buf: &mut [u8],
) -> Result<i32, ExecutionError>
fn block_read( &self, id: u32, offset: u32, buf: &mut [u8], ) -> Result<i32, ExecutionError>
Read data from a block. Read more
source§fn block_stat(&self, id: u32) -> Result<BlockStat, ExecutionError>
fn block_stat(&self, id: u32) -> Result<BlockStat, ExecutionError>
Returns the blocks codec & size. Read more
source§impl<C> Kernel for DefaultKernel<C>where
C: CallManager,
impl<C> Kernel for DefaultKernel<C>where
C: CallManager,
§type CallManager = C
type CallManager = C
The
Kernel
’s CallManager
is§type Limiter = <<C as CallManager>::Machine as Machine>::Limiter
type Limiter = <<C as CallManager>::Machine as Machine>::Limiter
The
Kernel
’s memory allocation tracker.source§fn into_inner(
self,
) -> (<DefaultKernel<C> as Kernel>::CallManager, BlockRegistry)where
DefaultKernel<C>: Sized,
fn into_inner(
self,
) -> (<DefaultKernel<C> as Kernel>::CallManager, BlockRegistry)where
DefaultKernel<C>: Sized,
source§fn new(
mgr: C,
blocks: BlockRegistry,
caller: u64,
actor_id: u64,
method: u64,
value_received: TokenAmount,
read_only: bool,
) -> DefaultKernel<C>
fn new( mgr: C, blocks: BlockRegistry, caller: u64, actor_id: u64, method: u64, value_received: TokenAmount, read_only: bool, ) -> DefaultKernel<C>
source§fn machine(
&self,
) -> &<<DefaultKernel<C> as Kernel>::CallManager as CallManager>::Machine
fn machine( &self, ) -> &<<DefaultKernel<C> as Kernel>::CallManager as CallManager>::Machine
The kernel’s underlying “machine”.
source§fn limiter_mut(&mut self) -> &mut <DefaultKernel<C> as Kernel>::Limiter
fn limiter_mut(&mut self) -> &mut <DefaultKernel<C> as Kernel>::Limiter
Give access to the limiter of the underlying call manager.
source§fn gas_available(&self) -> Gas
fn gas_available(&self) -> Gas
Returns the remaining gas for the transaction.
source§fn charge_gas(
&self,
name: &str,
compute: Gas,
) -> Result<GasTimer, ExecutionError>
fn charge_gas( &self, name: &str, compute: Gas, ) -> Result<GasTimer, ExecutionError>
ChargeGas charges specified amount of
gas
for execution.
name
provides information about gas charging point.source§impl<C> MessageOps for DefaultKernel<C>where
C: CallManager,
impl<C> MessageOps for DefaultKernel<C>where
C: CallManager,
source§fn msg_context(&self) -> Result<MessageContext, ExecutionError>
fn msg_context(&self) -> Result<MessageContext, ExecutionError>
Message information.
source§impl<C> NetworkOps for DefaultKernel<C>where
C: CallManager,
impl<C> NetworkOps for DefaultKernel<C>where
C: CallManager,
source§fn network_context(&self) -> Result<NetworkContext, ExecutionError>
fn network_context(&self) -> Result<NetworkContext, ExecutionError>
Network information (epoch, version, etc.).
source§fn tipset_cid(&self, epoch: i64) -> Result<Cid<64>, ExecutionError>
fn tipset_cid(&self, epoch: i64) -> Result<Cid<64>, ExecutionError>
The CID of the tipset at the specified epoch.
source§impl<C> RandomnessOps for DefaultKernel<C>where
C: CallManager,
impl<C> RandomnessOps for DefaultKernel<C>where
C: CallManager,
source§fn get_randomness_from_tickets(
&self,
rand_epoch: i64,
) -> Result<[u8; 32], ExecutionError>
fn get_randomness_from_tickets( &self, rand_epoch: i64, ) -> Result<[u8; 32], ExecutionError>
Randomness returns a (pseudo)random byte array drawing from the latest
ticket chain from a given epoch.
This randomness is fork dependant but also biasable because of this.
source§fn get_randomness_from_beacon(
&self,
rand_epoch: i64,
) -> Result<[u8; 32], ExecutionError>
fn get_randomness_from_beacon( &self, rand_epoch: i64, ) -> Result<[u8; 32], ExecutionError>
Randomness returns a (pseudo)random byte array drawing from the latest
beacon from a given epoch.
This randomness is not tied to any fork of the chain, and is unbiasable.
source§impl<C> SelfOps for DefaultKernel<C>where
C: CallManager,
impl<C> SelfOps for DefaultKernel<C>where
C: CallManager,
source§fn set_root(&mut self, new: Cid<64>) -> Result<(), ExecutionError>
fn set_root(&mut self, new: Cid<64>) -> Result<(), ExecutionError>
Update the state-root. Read more
source§fn current_balance(&self) -> Result<TokenAmount, ExecutionError>
fn current_balance(&self) -> Result<TokenAmount, ExecutionError>
The balance of the receiver.
source§fn self_destruct(&mut self, burn_unspent: bool) -> Result<(), ExecutionError>
fn self_destruct(&mut self, burn_unspent: bool) -> Result<(), ExecutionError>
Deletes the executing actor from the state tree, burning any remaining balance if requested.
source§impl<K> SendOps<K> for DefaultKernel<<K as Kernel>::CallManager>where
K: Kernel,
impl<K> SendOps<K> for DefaultKernel<<K as Kernel>::CallManager>where
K: Kernel,
source§fn send(
&mut self,
recipient: &Address,
method: u64,
params_id: u32,
value: &TokenAmount,
gas_limit: Option<Gas>,
flags: SendFlags,
) -> Result<CallResult, ExecutionError>
fn send( &mut self, recipient: &Address, method: u64, params_id: u32, value: &TokenAmount, gas_limit: Option<Gas>, flags: SendFlags, ) -> Result<CallResult, ExecutionError>
Sends a message to another actor.
The method type parameter K is the type of the kernel to instantiate for
the receiving actor. This is necessary to support wrapping a kernel, so the outer
kernel can specify its Self as the receiver’s kernel type, rather than the wrapped
kernel specifying its Self.
This method is part of the Kernel trait so it can refer to the Self::CallManager
associated type necessary to constrain K.
source§impl<K> SyscallHandler<K> for DefaultKernel<<K as Kernel>::CallManager>where
K: Kernel + ActorOps + IpldBlockOps + SendOps + UpgradeOps + CryptoOps + DebugOps + EventOps + MessageOps + NetworkOps + RandomnessOps + SelfOps,
impl<K> SyscallHandler<K> for DefaultKernel<<K as Kernel>::CallManager>where
K: Kernel + ActorOps + IpldBlockOps + SendOps + UpgradeOps + CryptoOps + DebugOps + EventOps + MessageOps + NetworkOps + RandomnessOps + SelfOps,
source§impl<K> UpgradeOps<K> for DefaultKernel<<K as Kernel>::CallManager>where
K: Kernel,
impl<K> UpgradeOps<K> for DefaultKernel<<K as Kernel>::CallManager>where
K: Kernel,
source§fn upgrade_actor(
&mut self,
new_code_cid: Cid<64>,
params_id: u32,
) -> Result<CallResult, ExecutionError>
fn upgrade_actor( &mut self, new_code_cid: Cid<64>, params_id: u32, ) -> Result<CallResult, ExecutionError>
Upgrades the running actor to the specified code CID.
Auto Trait Implementations§
impl<C> Freeze for DefaultKernel<C>where
C: Freeze,
impl<C> RefUnwindSafe for DefaultKernel<C>where
C: RefUnwindSafe,
impl<C> !Send for DefaultKernel<C>
impl<C> !Sync for DefaultKernel<C>
impl<C> Unpin for DefaultKernel<C>where
C: Unpin,
impl<C> UnwindSafe for DefaultKernel<C>where
C: UnwindSafe,
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