Struct ContractMessageTranscoder

pub struct ContractMessageTranscoder { /* private fields */ }

Encode strings to SCALE encoded smart contract calls. Decode SCALE encoded smart contract events and return values into Value objects.

Implementations

impl ContractMessageTranscoder

pub fn new(metadata: InkProject) -> Self

pub fn load<P>(metadata_path: P) -> Result<Self>

where P: AsRef<Path>,

Attempt to create a ContractMessageTranscoder from the metadata file at the given path.

pub fn encode<I, S>(&self, name: &str, args: I) -> Result<Vec<u8>>

where I: IntoIterator<Item = S>, S: AsRef<str> + Debug,

pub fn decode(&self, type_id: u32, input: &mut &[u8]) -> Result<Value>

pub fn metadata(&self) -> &InkProject

pub fn decode_contract_event<Hash>( &self, event_sig_topic: &Hash, data: &mut &[u8], ) -> Result<Value>

where Hash: AsRef<[u8]>,

pub fn decode_contract_message(&self, data: &mut &[u8]) -> Result<Value>

pub fn decode_contract_constructor(&self, data: &mut &[u8]) -> Result<Value>

pub fn decode_constructor_return( &self, name: &str, data: &mut &[u8], ) -> Result<Value>

pub fn decode_message_return( &self, name: &str, data: &mut &[u8], ) -> Result<Value>

Trait Implementations

impl TryFrom<ContractMetadata> for ContractMessageTranscoder

type Error = Error

The type returned in the event of a conversion error.

fn try_from(metadata: ContractMetadata) -> Result<Self, Self::Error>

Performs the conversion.