Function provwasm_std::add_attribute [−][src]
pub fn add_attribute<H: Into<Addr>, S: Into<String>, B: Into<Binary>>(
address: H,
name: S,
value: B,
value_type: AttributeValueType
) -> StdResult<CosmosMsg<ProvenanceMsg>>
Expand description
Create a message that will add a an attribute (a typed key-value pair) to an account.
Example
// Imports required use cosmwasm_std::{Binary, Env, Addr, Response, StdResult}; use provwasm_std::{add_attribute, AttributeValueType, ProvenanceMsg}; // Add a greeting attribute to an account. // NOTE: The name below must resolve to the contract address. fn exec_add_greeting( env: Env, address: Addr, text: String, ) -> StdResult<Response<ProvenanceMsg>> { let attr_name = String::from("greeting.my-contract.sc.pb"); let greeting = String::from("hello"); let msg = add_attribute( address, &attr_name, Binary::from(greeting.as_bytes()), AttributeValueType::String, )?; let mut res = Response::new(); res.add_message(msg); Ok(res) }