Struct Schema 

pub struct Schema {
    pub version: u8,
    pub schema_id: Hash,
    pub name: String,
    pub global_types: Vec<GlobalStateType>,
    pub owned_types: Vec<OwnedStateType>,
    pub transitions: Vec<TransitionDef>,
    pub root_script: Vec<u8>,
}

Contract schema

A schema defines the rules that govern a class of contracts: what state types exist, what transitions are valid, and how to validate them.

Fields

version: u8

Schema version

schema_id: Hash

Unique schema identifier

name: String

Human-readable name

global_types: Vec<GlobalStateType>

Defined global state types

owned_types: Vec<OwnedStateType>

Defined owned state types

transitions: Vec<TransitionDef>

Defined transition types

root_script: Vec<u8>

Root validation script (runs on every transition)

Implementations

impl Schema

pub fn new( schema_id: Hash, name: impl Into<String>, global_types: Vec<GlobalStateType>, owned_types: Vec<OwnedStateType>, transitions: Vec<TransitionDef>, root_script: Vec<u8>, ) -> Self

Create a new schema

pub fn hash(&self) -> Hash

Compute the schema hash

pub fn global_type(&self, type_id: StateTypeId) -> Option<&GlobalStateType>

Get a global state type by ID

pub fn owned_type(&self, type_id: StateTypeId) -> Option<&OwnedStateType>

Get an owned state type by ID

pub fn transition_def(&self, transition_id: u16) -> Option<&TransitionDef>

Get a transition definition by ID

pub fn has_type(&self, type_id: StateTypeId) -> bool

Validate that a type ID is defined in the schema

pub fn has_transition(&self, transition_id: u16) -> bool

Validate that a transition ID is defined in the schema

pub fn validate_transition( &self, transition: &Transition, ) -> Result<(), SchemaError>

Validate a transition against this schema

pub fn fungible_token(schema_id: Hash, name: impl Into<String>) -> Self

Create a minimal fungible token schema

Trait Implementations

impl Clone for Schema

fn clone(&self) -> Schema

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Schema

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Schema

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for Schema

fn eq(&self, other: &Schema) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for Schema

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Eq for Schema

impl StructuralPartialEq for Schema