Function secret_toolkit_snip20::query::allowance_query

source · [−]
pub fn allowance_query<Q: Querier>(
    querier: &Q, 
    owner: HumanAddr, 
    spender: HumanAddr, 
    key: String, 
    block_size: usize, 
    callback_code_hash: String, 
    contract_addr: HumanAddr
) -> StdResult<Allowance>
Expand description

Returns a StdResult from performing Allowance query

Arguments

  • querier - a reference to the Querier dependency of the querying contract
  • owner - the address that owns the tokens
  • spender - the address allowed to send/burn tokens
  • key - String holding the authentication key needed to view the allowance
  • block_size - pad the message to blocks of this size
  • callback_code_hash - String holding the code hash of the contract being queried
  • contract_addr - address of the contract being queried