pub fn num_tokens_query<Q: Querier>(
    querier: &Q,
    viewer: Option<ViewerInfo>,
    block_size: usize,
    callback_code_hash: String,
    contract_addr: HumanAddr
) -> StdResult<NumTokens>
Expand description

Returns a StdResult<NumTokens> from performing NumTokens query

Arguments

  • querier - a reference to the Querier dependency of the querying contract
  • viewer - Optional ViewerInfo holding the address and viewing key of the querier
  • 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