Struct sp_version::RuntimeVersion [−][src]
pub struct RuntimeVersion {
pub spec_name: RuntimeString,
pub impl_name: RuntimeString,
pub authoring_version: u32,
pub spec_version: u32,
pub impl_version: u32,
pub apis: ApisVec,
pub transaction_version: u32,
}Expand description
Runtime version.
This should not be thought of as classic Semver (major/minor/tiny).
This triplet have different semantics and mis-interpretation could cause problems.
In particular: bug fixes should result in an increment of spec_version and possibly
authoring_version, absolutely not impl_version since they change the semantics of the
runtime.
Fields
spec_name: RuntimeStringIdentifies the different Substrate runtimes. There’ll be at least polkadot and node. A different on-chain spec_name to that of the native runtime would normally result in node not attempting to sync or author blocks.
impl_name: RuntimeStringName of the implementation of the spec. This is of little consequence for the node
and serves only to differentiate code of different implementation teams. For this
codebase, it will be parity-polkadot. If there were a non-Rust implementation of the
Polkadot runtime (e.g. C++), then it would identify itself with an accordingly different
impl_name.
authoring_version is the version of the authorship interface. An authoring node
will not attempt to author blocks unless this is equal to its native runtime.
spec_version: u32Version of the runtime specification. A full-node will not attempt to use its native
runtime in substitute for the on-chain Wasm runtime unless all of spec_name,
spec_version and authoring_version are the same between Wasm and native.
impl_version: u32Version of the implementation of the specification. Nodes are free to ignore this; it
serves only as an indication that the code is different; as long as the other two versions
are the same then while the actual code may be different, it is nonetheless required to
do the same thing.
Non-consensus-breaking optimizations are about the only changes that could be made which
would result in only the impl_version changing.
apis: ApisVecList of supported API “features” along with their versions.
transaction_version: u32All existing dispatches are fully compatible when this number doesn’t change. If this
number changes, then spec_version must change, also.
This number must change when an existing dispatchable (module ID, dispatch ID) is changed, either through an alteration in its user-level semantics, a parameter added/removed/changed, a dispatchable being removed, a module being removed, or a dispatchable/module changing its index.
It need not change when a new module is added or when a dispatchable is added.
Implementations
Check if this version matches other version for calling into runtime.
Check if the given api with api_id is implemented and the version passes the given
predicate.
Returns the api version found for api with id.
Trait Implementations
Returns the “default value” for a type. Read more
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
__D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
This method tests for self and other values to be equal, and is used
by ==. Read more
This method tests for !=.
Auto Trait Implementations
impl RefUnwindSafe for RuntimeVersion
impl Send for RuntimeVersion
impl Sync for RuntimeVersion
impl Unpin for RuntimeVersion
impl UnwindSafe for RuntimeVersion
Blanket Implementations
Mutably borrows from an owned value. Read more
Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can
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Causes self to use its UpperHex implementation when
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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: Borrow<T>,
T: 'a,
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T: 'a,
R: 'a,
Pipes a trait borrow into a function that cannot normally be called in suffix position. Read more
fn pipe_deref<'a, R>(&'a self, func: impl FnOnce(&'a Self::Target) -> R) -> R where
Self: Deref,
R: 'a,
fn pipe_deref<'a, R>(&'a self, func: impl FnOnce(&'a Self::Target) -> R) -> R where
Self: Deref,
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Calls .tap() only in debug builds, and is erased in release builds.
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builds. Read more
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builds. Read more
Calls .tap_borrow_mut() only in debug builds, and is erased in release
builds. Read more
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builds. Read more
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F: FnOnce(&mut T) -> R,
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