Struct casper_execution_engine::core::runtime::Runtime

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pub struct Runtime<'a, R> { /* private fields */ }

Expand description

Represents the runtime properties of a WASM execution.

Implementations

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impl<'a, R> Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

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pub fn call_contract(
 &mut self,
 contract_hash: ContractHash,
 entry_point_name: &str,
 args: RuntimeArgs
) -> Result<CLValue, Error>

Calls contract living under a key, with supplied args.

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pub fn call_versioned_contract(
 &mut self,
 contract_package_hash: ContractPackageHash,
 contract_version: Option<ContractVersion>,
 entry_point_name: String,
 args: RuntimeArgs
) -> Result<CLValue, Error>

Calls version of the contract living at key, invoking method with supplied args. This function also checks the args conform with the types given in the contract header.

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pub fn take_host_buffer(&mut self) -> Option<CLValue>

If host_buffer set, clears the host_buffer and returns value, else None

Trait Implementations

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impl<'a, R> AccountProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

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fn get_main_purse(&self) -> Result<URef, Error>

Get currently executing account’s purse.

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impl<'a, R> AccountProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

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fn get_main_purse(&mut self) -> Result<URef, ApiError>

Get currently executing account’s purse.

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impl<'a, R> Auction for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

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fn get_era_validators(
&mut self
) -> Result<BTreeMap<EraId, BTreeMap<PublicKey, U512, Global>, Global>, Error>

Returns active validators and auction winners for a number of future eras determined by the configured auction_delay. Read more

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fn read_seigniorage_recipients(
&mut self
) -> Result<BTreeMap<PublicKey, SeigniorageRecipient, Global>, Error>

Returns validators in era_validators, mapped to their bids or founding stakes, delegation rates and lists of delegators together with their delegated quantities from delegators. This function is publicly accessible, but intended for system use by the Handle Payment contract, because this data is necessary for distributing seigniorage. Read more

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fn add_bid(
 &mut self,
 public_key: PublicKey,
 delegation_rate: u8,
 amount: U512
) -> Result<U512, ApiError>

This entry point adds or modifies an entry in the Key::Bid section of the global state and creates (or tops off) a bid purse. Post genesis, any new call on this entry point causes a non-founding validator in the system to exist. Read more

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fn withdraw_bid(
 &mut self,
 public_key: PublicKey,
 amount: U512
) -> Result<U512, Error>

For a non-founder validator, this method simply decreases a stake. Read more

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fn delegate(
 &mut self,
 delegator_public_key: PublicKey,
 validator_public_key: PublicKey,
 amount: U512,
 max_delegator_size_limit: usize,
 minimum_delegation_amount: u64
) -> Result<U512, ApiError>

Adds a new delegator to delegators or increases its current stake. If the target validator is missing, the function call returns an error and does nothing. Read more

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fn undelegate(
 &mut self,
 delegator_public_key: PublicKey,
 validator_public_key: PublicKey,
 amount: U512
) -> Result<U512, Error>

Removes specified amount of motes (or the value from the collection altogether, if the remaining amount is 0) from the entry in delegators map for given validator and creates a new unbonding request to the queue. Read more

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fn slash(
&mut self,
validator_public_keys: Vec<PublicKey, Global>
) -> Result<(), Error>

Slashes each validator. Read more

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fn run_auction(
 &mut self,
 era_end_timestamp_millis: u64,
 evicted_validators: Vec<PublicKey, Global>
) -> Result<(), Error>

Takes active_bids and delegators to construct a list of validators’ total bids (their own added to their delegators’) ordered by size from largest to smallest, then takes the top N (number of auction slots) bidders and replaces era_validators with these. Read more

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fn distribute(
&mut self,
reward_factors: BTreeMap<PublicKey, u64, Global>
) -> Result<(), Error>

Mint and distribute seigniorage rewards to validators and their delegators, according to reward_factors returned by the consensus component. Read more

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fn read_era_id(&mut self) -> Result<EraId, Error>

Reads current era id.

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fn activate_bid(&mut self, validator_public_key: PublicKey) -> Result<(), Error>

Activates a given validator’s bid. To be used when a validator has been marked as inactive by consensus (aka “evicted”). Read more

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impl<'a, R> Externals for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

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fn invoke_index(
 &mut self,
 index: usize,
 args: RuntimeArgs<'_>
) -> Result<Option<RuntimeValue>, Trap>

Perform invoke of a host function by specified index.

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impl<'a, R> HandlePayment for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

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fn get_payment_purse(&self) -> Result<URef, Error>

Get payment purse.

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fn set_refund_purse(&mut self, purse: URef) -> Result<(), Error>

Set refund purse.

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fn get_refund_purse(&self) -> Result<Option<URef>, Error>

Get refund purse.

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fn finalize_payment(
 &mut self,
 amount_spent: U512,
 account: AccountHash,
 target: URef
) -> Result<(), Error>

Finalize payment with amount_spent and a given account.

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impl<'a, R> HandlePaymentProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

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fn get_payment_purse(&mut self) -> Result<URef, ApiError>

Get payment purse for given deploy.

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impl<'a, R> Mint for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

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fn mint(&mut self, initial_balance: U512) -> Result<URef, Error>

Mint new token with given initial_balance balance. Returns new purse on success, otherwise an error. Read more

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fn reduce_total_supply(&mut self, amount: U512) -> Result<(), Error>

Reduce total supply by amount. Returns unit on success, otherwise an error. Read more

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fn balance(&mut self, purse: URef) -> Result<Option<U512>, Error>

Read balance of given purse.

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fn transfer(
 &mut self,
 maybe_to: Option<AccountHash>,
 source: URef,
 target: URef,
 amount: U512,
 id: Option<u64>
) -> Result<(), Error>

Transfers amount of tokens from source purse to a target purse.

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fn read_base_round_reward(&mut self) -> Result<U512, Error>

Retrieves the base round reward.

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fn mint_into_existing_purse(
 &mut self,
 existing_purse: URef,
 amount: U512
) -> Result<(), Error>

Mint amount new token into existing_purse. Returns unit on success, otherwise an error. Read more

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impl<'a, R> MintProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

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fn mint_transfer_direct(
 &mut self,
 to: Option<AccountHash>,
 source: URef,
 target: URef,
 amount: U512,
 id: Option<u64>
) -> Result<Result<(), Error>, Error>

Allows optimized auction and mint interaction. Intended to be used only by system contracts to manage staked purses. NOTE: Never expose this through FFI.

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fn unbond(&mut self, unbonding_purse: &UnbondingPurse) -> Result<(), Error>

Returns successfully unbonded stake to origin account.

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fn mint_into_existing_purse(
 &mut self,
 amount: U512,
 existing_purse: URef
) -> Result<(), Error>

Mint amount new token into existing_purse. Returns unit on success, otherwise an error. Read more

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fn create_purse(&mut self) -> Result<URef, Error>

Creates new purse.

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fn get_balance(&mut self, purse: URef) -> Result<Option<U512>, Error>

Gets purse balance.

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fn read_base_round_reward(&mut self) -> Result<U512, Error>

Reads the base round reward.

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fn mint(&mut self, amount: U512) -> Result<URef, Error>

Mints new token with given initial_balance balance. Returns new purse on success, otherwise an error. Read more

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fn reduce_total_supply(&mut self, amount: U512) -> Result<(), Error>

Reduce total supply by amount. Returns unit on success, otherwise an error. Read more

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impl<'a, R> MintProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

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fn transfer_purse_to_account(
 &mut self,
 source: URef,
 target: AccountHash,
 amount: U512
) -> Result<TransferredTo, Error>

Transfer amount from source purse to a target account.

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fn transfer_purse_to_purse(
 &mut self,
 source: URef,
 target: URef,
 amount: U512
) -> Result<(), Error>

Transfer amount from source purse to a target purse.

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fn balance(&mut self, purse: URef) -> Result<Option<U512>, Error>

Checks balance of a purse. Returns None if given purse does not exist.

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impl<'a, R> MintProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

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fn transfer_purse_to_purse(
 &mut self,
 source: URef,
 target: URef,
 amount: U512
) -> Result<(), ApiError>

Transfer amount of tokens from source purse to a target purse.

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impl<'a, R> RuntimeProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

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fn get_caller(&self) -> AccountHash

This method should return the caller of the current context.

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fn is_allowed_session_caller(&self, account_hash: &AccountHash) -> bool

Checks if account_hash matches the active session’s account.

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fn named_keys_get(&self, name: &str) -> Option<Key>

Gets named key under a name.

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fn get_keys(&mut self, key_tag: &KeyTag) -> Result<BTreeSet<Key>, Error>

Gets keys in a given keyspace

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fn blake2b<T: AsRef<[u8]>>(&self, data: T) -> [u8 ; 32]

Returns a 32-byte BLAKE2b digest

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impl<'a, R> RuntimeProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

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fn get_key(&self, name: &str) -> Option<Key>

Get named key under a name.

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fn put_key(&mut self, name: &str, key: Key) -> Result<(), Error>

Put key under a name.

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fn remove_key(&mut self, name: &str) -> Result<(), Error>

Remove a named key by name.

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fn get_phase(&self) -> Phase

Get current execution phase.

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fn get_block_time(&self) -> BlockTime

Get current block time.

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fn get_caller(&self) -> AccountHash

Get caller.

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impl<'a, R> RuntimeProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

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fn get_caller(&self) -> AccountHash

This method should return the caller of the current context.

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fn get_immediate_caller(&self) -> Option<&CallStackElement>

This method should return the immediate caller of the current context.

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fn get_phase(&self) -> Phase

Gets execution phase

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fn put_key(&mut self, name: &str, key: Key) -> Result<(), Error>

This method should handle storing given Key under name.

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fn get_key(&self, name: &str) -> Option<Key>

This method should handle obtaining a given named Key under a name.

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fn get_approved_spending_limit(&self) -> U512

Returns approved CSPR spending limit.

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fn sub_approved_spending_limit(&mut self, transferred: U512)

Signal to host that transferred amount of tokens has been transferred.

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fn get_main_purse(&self) -> URef

Returns main purse of the sender account.

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impl<'a, R> StandardPayment for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

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fn pay(&mut self, amount: U512) -> Result<(), ApiError>

Pay amount to a payment purse.

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impl<'a, R> StorageProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

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fn read<T: FromBytes + CLTyped>(
&mut self,
uref: URef
) -> Result<Option<T>, Error>

Reads data from URef.

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fn write<T: ToBytes + CLTyped>(
 &mut self,
 uref: URef,
 value: T
) -> Result<(), Error>

Writes data to `URef.

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fn write_seigniorage_recipients_snapshot(
 &mut self,
 uref: URef,
 snapshot: SeigniorageRecipientsSnapshot
) -> Result<(), Error>

Writes a SeigniorageRecipientsSnapshot to global state and charges for bytes stored. Read more

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fn read_bid(&mut self, account_hash: &AccountHash) -> Result<Option<Bid>, Error>

Reads Bid at account hash derived from given public key

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fn write_bid(&mut self, account_hash: AccountHash, bid: Bid) -> Result<(), Error>

Writes given Bid at account hash derived from given public key

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fn read_withdraw(
&mut self,
account_hash: &AccountHash
) -> Result<Vec<UnbondingPurse>, Error>

Reads collection of UnbondingPurses at account hash derived from given public key

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fn write_withdraw(
 &mut self,
 account_hash: AccountHash,
 unbonding_purses: Vec<UnbondingPurse>
) -> Result<(), Error>

Writes given UnbondingPurses at account hash derived from given public key

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fn record_era_info(
 &mut self,
 era_id: EraId,
 era_info: EraInfo
) -> Result<(), Error>

Records era info at the given era id.

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impl<'a, R> StorageProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

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fn new_uref<T: CLTyped + ToBytes>(&mut self, init: T) -> Result<URef, Error>

Create new URef.

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fn read<T: CLTyped + FromBytes>(
&mut self,
uref: URef
) -> Result<Option<T>, Error>

Read data from URef.

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fn write<T: CLTyped + ToBytes>(
 &mut self,
 uref: URef,
 value: T
) -> Result<(), Error>

Write data under a URef.

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fn add<T: CLTyped + ToBytes>(&mut self, uref: URef, value: T) -> Result<(), Error>

Add data to a URef.

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fn read_balance(&mut self, uref: URef) -> Result<Option<U512>, Error>

Read balance.

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fn write_balance(&mut self, uref: URef, balance: U512) -> Result<(), Error>

Write balance.

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fn add_balance(&mut self, uref: URef, value: U512) -> Result<(), Error>

Add amount to an existing balance.

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impl<'a, R> SystemProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

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fn record_transfer(
 &mut self,
 maybe_to: Option<AccountHash>,
 source: URef,
 target: URef,
 amount: U512,
 id: Option<u64>
) -> Result<(), Error>

Records a transfer.

Auto Trait Implementations

impl<'a, R> !RefUnwindSafe for Runtime<'a, R>

impl<'a, R> !Send for Runtime<'a, R>

impl<'a, R> !Sync for Runtime<'a, R>

impl<'a, R> Unpin for Runtime<'a, R>

impl<'a, R> !UnwindSafe for Runtime<'a, R>

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> Conv for T

fn conv<T>(self) -> T where
Self: Into<T>,

Converts self into a target type. Read more

impl<T> Downcast for T where
T: Any,

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Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait. Read more

fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait. Read more

fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s. Read more

fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s. Read more

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fn fmt_binary(self) -> FmtBinary<Self> where
Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.

fn fmt_display(self) -> FmtDisplay<Self> where
Self: Display,

Causes self to use its Display implementation when Debug-formatted. Read more

fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted. Read more

fn fmt_lower_hex(self) -> FmtLowerHex<Self> where
Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted. Read more

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Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.

fn fmt_pointer(self) -> FmtPointer<Self> where
Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted. Read more

fn fmt_upper_exp(self) -> FmtUpperExp<Self> where
Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted. Read more

fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R

Pipes a value into a function that cannot ordinarily be called in suffix position. Read more

impl<T> PipeAsRef for T

fn pipe_as_ref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
 Self: AsRef<T>,
 T: 'a,
 R: 'a,

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 Self: AsMut<T>,
 T: 'a,
 R: 'a,

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impl<T> PipeBorrow for T

fn pipe_borrow<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
 Self: Borrow<T>,
 T: 'a,
 R: 'a,

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 &'a mut self,
 func: impl FnOnce(&'a mut T) -> R
) -> R where
 Self: BorrowMut<T>,
 T: 'a,
 R: 'a,

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Self: Deref,
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 &'a mut self,
 func: impl FnOnce(&'a mut Self::Target) -> R
) -> R where
 Self: DerefMut,
 R: 'a,

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fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
R: 'a,

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fn pipe_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where
R: 'a,

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type Output = T

Should always be Self

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fn tap<F, R>(self, func: F) -> Self where
F: FnOnce(&Self) -> R,

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F: FnOnce(&Self) -> R,

Calls tap in debug builds, and does nothing in release builds.

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Self: Borrow<T>,
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Self: BorrowMut<T>,
F: FnOnce(&mut T) -> R,

Calls tap_borrow_mut in debug builds, and does nothing in release builds. Read more

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fn tap_deref<F, R>(self, func: F) -> Self where
Self: Deref,
F: FnOnce(&Self::Target) -> R,

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Self: Deref,
F: FnOnce(&Self::Target) -> R,

Calls tap_deref in debug builds, and does nothing in release builds.

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Self: DerefMut,
F: FnOnce(&mut Self::Target) -> R,

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Self: DerefMut,
F: FnOnce(&mut Self::Target) -> R,

Calls tap_deref_mut in debug builds, and does nothing in release builds. Read more

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fn try_conv<T>(self) -> Result<T, Self::Error> where
Self: TryInto<T>,

Attempts to convert self into a target type. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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Performs the conversion.

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type Error = >::Error

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fn vzip(self) -> V

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Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

Struct casper_execution_engine::core::runtime::Runtime

Implementations

impl<'a, R> Runtime<'a, R> where R: StateReader<Key, StoredValue>, R::Error: Into<Error>,

pub fn call_contract( &mut self, contract_hash: ContractHash, entry_point_name: &str, args: RuntimeArgs) -> Result<CLValue, Error>

pub fn call_versioned_contract( &mut self, contract_package_hash: ContractPackageHash, contract_version: Option<ContractVersion>, entry_point_name: String, args: RuntimeArgs) -> Result<CLValue, Error>

pub fn take_host_buffer(&mut self) -> Option<CLValue>

Trait Implementations

impl<'a, R> AccountProvider for Runtime<'a, R> where R: StateReader<Key, StoredValue>, R::Error: Into<Error>,

fn get_main_purse(&self) -> Result<URef, Error>

impl<'a, R> AccountProvider for Runtime<'a, R> where R: StateReader<Key, StoredValue>, R::Error: Into<Error>,

fn get_main_purse(&mut self) -> Result<URef, ApiError>

impl<'a, R> Auction for Runtime<'a, R> where R: StateReader<Key, StoredValue>, R::Error: Into<Error>,

fn get_era_validators( &mut self) -> Result<BTreeMap<EraId, BTreeMap<PublicKey, U512, Global>, Global>, Error>

fn read_seigniorage_recipients( &mut self) -> Result<BTreeMap<PublicKey, SeigniorageRecipient, Global>, Error>

fn add_bid( &mut self, public_key: PublicKey, delegation_rate: u8, amount: U512) -> Result<U512, ApiError>

fn withdraw_bid( &mut self, public_key: PublicKey, amount: U512) -> Result<U512, Error>

fn delegate( &mut self, delegator_public_key: PublicKey, validator_public_key: PublicKey, amount: U512, max_delegator_size_limit: usize, minimum_delegation_amount: u64) -> Result<U512, ApiError>

fn undelegate( &mut self, delegator_public_key: PublicKey, validator_public_key: PublicKey, amount: U512) -> Result<U512, Error>

fn slash( &mut self, validator_public_keys: Vec<PublicKey, Global>) -> Result<(), Error>

fn run_auction( &mut self, era_end_timestamp_millis: u64, evicted_validators: Vec<PublicKey, Global>) -> Result<(), Error>

fn distribute( &mut self, reward_factors: BTreeMap<PublicKey, u64, Global>) -> Result<(), Error>

fn read_era_id(&mut self) -> Result<EraId, Error>

fn activate_bid(&mut self, validator_public_key: PublicKey) -> Result<(), Error>

impl<'a, R> Externals for Runtime<'a, R> where R: StateReader<Key, StoredValue>, R::Error: Into<Error>,

fn invoke_index( &mut self, index: usize, args: RuntimeArgs<'_>) -> Result<Option<RuntimeValue>, Trap>

impl<'a, R> HandlePayment for Runtime<'a, R> where R: StateReader<Key, StoredValue>, R::Error: Into<Error>,

fn get_payment_purse(&self) -> Result<URef, Error>

fn set_refund_purse(&mut self, purse: URef) -> Result<(), Error>

fn get_refund_purse(&self) -> Result<Option<URef>, Error>

fn finalize_payment( &mut self, amount_spent: U512, account: AccountHash, target: URef) -> Result<(), Error>

impl<'a, R> HandlePaymentProvider for Runtime<'a, R> where R: StateReader<Key, StoredValue>, R::Error: Into<Error>,

fn get_payment_purse(&mut self) -> Result<URef, ApiError>

impl<'a, R> Mint for Runtime<'a, R> where R: StateReader<Key, StoredValue>, R::Error: Into<Error>,

fn mint(&mut self, initial_balance: U512) -> Result<URef, Error>

fn reduce_total_supply(&mut self, amount: U512) -> Result<(), Error>

fn balance(&mut self, purse: URef) -> Result<Option<U512>, Error>

fn transfer( &mut self, maybe_to: Option<AccountHash>, source: URef, target: URef, amount: U512, id: Option<u64>) -> Result<(), Error>

fn read_base_round_reward(&mut self) -> Result<U512, Error>

fn mint_into_existing_purse( &mut self, existing_purse: URef, amount: U512) -> Result<(), Error>

impl<'a, R> MintProvider for Runtime<'a, R> where R: StateReader<Key, StoredValue>, R::Error: Into<Error>,

fn mint_transfer_direct( &mut self, to: Option<AccountHash>, source: URef, target: URef, amount: U512, id: Option<u64>) -> Result<Result<(), Error>, Error>

fn unbond(&mut self, unbonding_purse: &UnbondingPurse) -> Result<(), Error>

fn mint_into_existing_purse( &mut self, amount: U512, existing_purse: URef) -> Result<(), Error>

fn create_purse(&mut self) -> Result<URef, Error>

fn get_balance(&mut self, purse: URef) -> Result<Option<U512>, Error>

fn read_base_round_reward(&mut self) -> Result<U512, Error>

fn mint(&mut self, amount: U512) -> Result<URef, Error>

fn reduce_total_supply(&mut self, amount: U512) -> Result<(), Error>

impl<'a, R> MintProvider for Runtime<'a, R> where R: StateReader<Key, StoredValue>, R::Error: Into<Error>,

fn transfer_purse_to_account( &mut self, source: URef, target: AccountHash, amount: U512) -> Result<TransferredTo, Error>

fn transfer_purse_to_purse( &mut self, source: URef, target: URef, amount: U512) -> Result<(), Error>

fn balance(&mut self, purse: URef) -> Result<Option<U512>, Error>

impl<'a, R> MintProvider for Runtime<'a, R> where R: StateReader<Key, StoredValue>, R::Error: Into<Error>,

fn transfer_purse_to_purse( &mut self, source: URef, target: URef, amount: U512) -> Result<(), ApiError>

impl<'a, R> RuntimeProvider for Runtime<'a, R> where R: StateReader<Key, StoredValue>, R::Error: Into<Error>,

fn get_caller(&self) -> AccountHash

fn is_allowed_session_caller(&self, account_hash: &AccountHash) -> bool

fn named_keys_get(&self, name: &str) -> Option<Key>

fn get_keys(&mut self, key_tag: &KeyTag) -> Result<BTreeSet<Key>, Error>

fn blake2b<T: AsRef<[u8]>>(&self, data: T) -> [u8; 32]

impl<'a, R> RuntimeProvider for Runtime<'a, R> where R: StateReader<Key, StoredValue>, R::Error: Into<Error>,

fn get_key(&self, name: &str) -> Option<Key>

fn put_key(&mut self, name: &str, key: Key) -> Result<(), Error>

fn remove_key(&mut self, name: &str) -> Result<(), Error>

fn get_phase(&self) -> Phase

fn get_block_time(&self) -> BlockTime

fn get_caller(&self) -> AccountHash

impl<'a, R> RuntimeProvider for Runtime<'a, R> where R: StateReader<Key, StoredValue>, R::Error: Into<Error>,

fn get_caller(&self) -> AccountHash

fn get_immediate_caller(&self) -> Option<&CallStackElement>

fn get_phase(&self) -> Phase

fn put_key(&mut self, name: &str, key: Key) -> Result<(), Error>

fn get_key(&self, name: &str) -> Option<Key>

fn get_approved_spending_limit(&self) -> U512

fn sub_approved_spending_limit(&mut self, transferred: U512)

fn get_main_purse(&self) -> URef

impl<'a, R> StandardPayment for Runtime<'a, R> where R: StateReader<Key, StoredValue>, R::Error: Into<Error>,

fn pay(&mut self, amount: U512) -> Result<(), ApiError>

impl<'a, R> StorageProvider for Runtime<'a, R> where R: StateReader<Key, StoredValue>, R::Error: Into<Error>,

fn read<T: FromBytes + CLTyped>( &mut self, uref: URef) -> Result<Option<T>, Error>

impl<'a, R> Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

pub fn call_contract(
&mut self,
contract_hash: ContractHash,
entry_point_name: &str,
args: RuntimeArgs
) -> Result<CLValue, Error>

pub fn call_versioned_contract(
&mut self,
contract_package_hash: ContractPackageHash,
contract_version: Option<ContractVersion>,
entry_point_name: String,
args: RuntimeArgs
) -> Result<CLValue, Error>

impl<'a, R> AccountProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

impl<'a, R> AccountProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

impl<'a, R> Auction for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

fn get_era_validators(
&mut self
) -> Result<BTreeMap<EraId, BTreeMap<PublicKey, U512, Global>, Global>, Error>

fn read_seigniorage_recipients(
&mut self
) -> Result<BTreeMap<PublicKey, SeigniorageRecipient, Global>, Error>

fn add_bid(
&mut self,
public_key: PublicKey,
delegation_rate: u8,
amount: U512
) -> Result<U512, ApiError>

fn withdraw_bid(
&mut self,
public_key: PublicKey,
amount: U512
) -> Result<U512, Error>

fn delegate(
&mut self,
delegator_public_key: PublicKey,
validator_public_key: PublicKey,
amount: U512,
max_delegator_size_limit: usize,
minimum_delegation_amount: u64
) -> Result<U512, ApiError>

fn undelegate(
&mut self,
delegator_public_key: PublicKey,
validator_public_key: PublicKey,
amount: U512
) -> Result<U512, Error>

fn slash(
&mut self,
validator_public_keys: Vec<PublicKey, Global>
) -> Result<(), Error>

fn run_auction(
&mut self,
era_end_timestamp_millis: u64,
evicted_validators: Vec<PublicKey, Global>
) -> Result<(), Error>

fn distribute(
&mut self,
reward_factors: BTreeMap<PublicKey, u64, Global>
) -> Result<(), Error>

impl<'a, R> Externals for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

fn invoke_index(
&mut self,
index: usize,
args: RuntimeArgs<'_>
) -> Result<Option<RuntimeValue>, Trap>

impl<'a, R> HandlePayment for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

fn finalize_payment(
&mut self,
amount_spent: U512,
account: AccountHash,
target: URef
) -> Result<(), Error>

impl<'a, R> HandlePaymentProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

impl<'a, R> Mint for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

fn transfer(
&mut self,
maybe_to: Option<AccountHash>,
source: URef,
target: URef,
amount: U512,
id: Option<u64>
) -> Result<(), Error>

fn mint_into_existing_purse(
&mut self,
existing_purse: URef,
amount: U512
) -> Result<(), Error>

impl<'a, R> MintProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

fn mint_transfer_direct(
&mut self,
to: Option<AccountHash>,
source: URef,
target: URef,
amount: U512,
id: Option<u64>
) -> Result<Result<(), Error>, Error>

fn mint_into_existing_purse(
&mut self,
amount: U512,
existing_purse: URef
) -> Result<(), Error>

impl<'a, R> MintProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

fn transfer_purse_to_account(
&mut self,
source: URef,
target: AccountHash,
amount: U512
) -> Result<TransferredTo, Error>

fn transfer_purse_to_purse(
&mut self,
source: URef,
target: URef,
amount: U512
) -> Result<(), Error>

impl<'a, R> MintProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

fn transfer_purse_to_purse(
&mut self,
source: URef,
target: URef,
amount: U512
) -> Result<(), ApiError>

impl<'a, R> RuntimeProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

fn blake2b<T: AsRef<[u8]>>(&self, data: T) -> [u8 ; 32]

impl<'a, R> RuntimeProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

impl<'a, R> RuntimeProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

impl<'a, R> StandardPayment for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

impl<'a, R> StorageProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

fn read<T: FromBytes + CLTyped>(
&mut self,
uref: URef
) -> Result<Option<T>, Error>

fn write<T: ToBytes + CLTyped>(
&mut self,
uref: URef,
value: T
) -> Result<(), Error>

fn write_seigniorage_recipients_snapshot(
&mut self,
uref: URef,
snapshot: SeigniorageRecipientsSnapshot
) -> Result<(), Error>

fn read_withdraw(
&mut self,
account_hash: &AccountHash
) -> Result<Vec<UnbondingPurse>, Error>

fn write_withdraw(
&mut self,
account_hash: AccountHash,
unbonding_purses: Vec<UnbondingPurse>
) -> Result<(), Error>

fn record_era_info(
&mut self,
era_id: EraId,
era_info: EraInfo
) -> Result<(), Error>

impl<'a, R> StorageProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

fn read<T: CLTyped + FromBytes>(
&mut self,
uref: URef
) -> Result<Option<T>, Error>

fn write<T: CLTyped + ToBytes>(
&mut self,
uref: URef,
value: T
) -> Result<(), Error>

impl<'a, R> SystemProvider for Runtime<'a, R> where
R: StateReader<Key, StoredValue>,
R::Error: Into<Error>,

fn record_transfer(
&mut self,
maybe_to: Option<AccountHash>,
source: URef,
target: URef,
amount: U512,
id: Option<u64>
) -> Result<(), Error>

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

fn conv<T>(self) -> T where
Self: Into<T>,

impl<T> Downcast for T where
T: Any,

fn fmt_binary(self) -> FmtBinary<Self> where
Self: Binary,

fn fmt_display(self) -> FmtDisplay<Self> where
Self: Display,

fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
Self: LowerExp,

fn fmt_lower_hex(self) -> FmtLowerHex<Self> where
Self: LowerHex,

fn fmt_octal(self) -> FmtOctal<Self> where
Self: Octal,

fn fmt_pointer(self) -> FmtPointer<Self> where
Self: Pointer,

fn fmt_upper_exp(self) -> FmtUpperExp<Self> where
Self: UpperExp,

fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
Self: UpperHex,

impl<T, U> Into<U> for T where
U: From<T>,

fn pipe_as_ref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
Self: AsRef<T>,
T: 'a,
R: 'a,

fn pipe_as_mut<'a, T, R>(&'a mut self, func: impl FnOnce(&'a mut T) -> R) -> R where
Self: AsMut<T>,
T: 'a,
R: 'a,

fn pipe_borrow<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
Self: Borrow<T>,
T: 'a,
R: 'a,

fn pipe_borrow_mut<'a, T, R>(
&'a mut self,
func: impl FnOnce(&'a mut T) -> R
) -> R where
Self: BorrowMut<T>,
T: 'a,
R: 'a,

fn pipe_deref<'a, R>(&'a self, func: impl FnOnce(&'a Self::Target) -> R) -> R where
Self: Deref,
R: 'a,