Struct PriceFeedClient

pub struct PriceFeedClient<'a> {
    pub env: Env,
    pub address: Address,
    /* private fields */
}

PriceFeedClient is a client for calling the contract defined in “PriceFeedTrait”.

Fields

env: Env

address: Address

Implementations

impl<'a> PriceFeedClient<'a>

pub fn new(env: &Env, address: &Address) -> Self

impl<'a> PriceFeedClient<'a>

pub fn base(&self) -> Asset

Return the base asset the price is reported in

pub fn try_base( &self, ) -> Result<Result<Asset, <Asset as TryFromVal<Env, Val>>::Error>, Result<Error, InvokeError>>

Return the base asset the price is reported in

pub fn assets(&self) -> Vec<Asset>

Return all assets quoted by the price feed

pub fn try_assets( &self, ) -> Result<Result<Vec<Asset>, <Vec<Asset> as TryFromVal<Env, Val>>::Error>, Result<Error, InvokeError>>

Return all assets quoted by the price feed

pub fn decimals(&self) -> u32

Return the number of decimals for all assets quoted by the oracle

pub fn try_decimals( &self, ) -> Result<Result<u32, <u32 as TryFromVal<Env, Val>>::Error>, Result<Error, InvokeError>>

Return the number of decimals for all assets quoted by the oracle

pub fn resolution(&self) -> u32

Return default tick period timeframe (in seconds)

pub fn try_resolution( &self, ) -> Result<Result<u32, <u32 as TryFromVal<Env, Val>>::Error>, Result<Error, InvokeError>>

Return default tick period timeframe (in seconds)

pub fn price(&self, asset: &Asset, timestamp: &u64) -> Option<PriceData>

Get price in base asset at specific timestamp

pub fn try_price( &self, asset: &Asset, timestamp: &u64, ) -> Result<Result<Option<PriceData>, <Option<PriceData> as TryFromVal<Env, Val>>::Error>, Result<Error, InvokeError>>

Get price in base asset at specific timestamp

pub fn prices(&self, asset: &Asset, records: &u32) -> Option<Vec<PriceData>>

Get last N price records

pub fn try_prices( &self, asset: &Asset, records: &u32, ) -> Result<Result<Option<Vec<PriceData>>, <Option<Vec<PriceData>> as TryFromVal<Env, Val>>::Error>, Result<Error, InvokeError>>

Get last N price records

pub fn lastprice(&self, asset: &Asset) -> Option<PriceData>

Get the most recent price for an asset

pub fn try_lastprice( &self, asset: &Asset, ) -> Result<Result<Option<PriceData>, <Option<PriceData> as TryFromVal<Env, Val>>::Error>, Result<Error, InvokeError>>

Get the most recent price for an asset