Struct solana_program::message::MessageHeader[−][src]

pub struct MessageHeader {
    pub num_required_signatures: u8,
    pub num_readonly_signed_accounts: u8,
    pub num_readonly_unsigned_accounts: u8,
}

Fields

num_required_signatures: u8

The number of signatures required for this message to be considered valid. The signatures must match the first num_required_signatures of account_keys. NOTE: Serialization-related changes must be paired with the direct read at sigverify.

num_readonly_signed_accounts: u8

The last num_readonly_signed_accounts of the signed keys are read-only accounts. Programs may process multiple transactions that load read-only accounts within a single PoH entry, but are not permitted to credit or debit lamports or modify account data. Transactions targeting the same read-write account are evaluated sequentially.

num_readonly_unsigned_accounts: u8

The last num_readonly_unsigned_accounts of the unsigned keys are read-only accounts.

Trait Implementations

impl AbiExample for MessageHeader[src]

fn example() -> Self[src]

impl Clone for MessageHeader[src]

fn clone(&self) -> MessageHeader[src]

Returns a copy of the value. Read more

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl Debug for MessageHeader[src]

fn fmt(&self, f: &mut Formatter<'_>) -> Result[src]

Formats the value using the given formatter. Read more

impl Default for MessageHeader[src]

fn default() -> MessageHeader[src]

Returns the “default value” for a type. Read more

impl<'de> Deserialize<'de> for MessageHeader[src]

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
    __D: Deserializer<'de>, [src]

Deserialize this value from the given Serde deserializer. Read more

impl PartialEq<MessageHeader> for MessageHeader[src]

fn eq(&self, other: &MessageHeader) -> bool[src]

This method tests for self and other values to be equal, and is used by ==. Read more

fn ne(&self, other: &MessageHeader) -> bool[src]

This method tests for !=.

impl Serialize for MessageHeader[src]

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error> where
    __S: Serializer, [src]

Serialize this value into the given Serde serializer. Read more

impl Eq for MessageHeader[src]

impl StructuralEq for MessageHeader[src]

impl StructuralPartialEq for MessageHeader[src]

Auto Trait Implementations

Blanket Implementations

impl<T> AbiEnumVisitor for T where
    T: Serialize + AbiExample + ?Sized, [src]

pub default fn visit_for_abi(
    &self,
    digester: &mut AbiDigester
) -> Result<AbiDigester, DigestError>[src]

impl<T> AbiEnumVisitor for T where
    T: Serialize + ?Sized, [src]

pub default fn visit_for_abi(
    &self,
    _digester: &mut AbiDigester
) -> Result<AbiDigester, DigestError>[src]

impl<T> AbiExample for T[src]

pub default fn example() -> T[src]

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

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T> Same<T> for T

type Output = T

Should always be Self

impl<T> ToOwned for T where
    T: Clone, [src]

type Owned = T

The resulting type after obtaining ownership.

pub fn to_owned(&self) -> T[src]

Creates owned data from borrowed data, usually by cloning. Read more

pub fn clone_into(&self, target: &mut T)[src]

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]

Performs the conversion.

impl<V, T> VZip<V> for T where
    V: MultiLane<T>, 

pub fn vzip(self) -> V

impl<T> DeserializeOwned for T where
    T: for<'de> Deserialize<'de>, [src]