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DIA is a cross-chain, trustless oracle network delivering verifiable price feeds for Telos. DIA sources raw trade data directly from primary markets and computes it onchain, ensuring complete transparency and data integrity.

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Oracle Contracts

ChainContract Address
Telos Mainnet0xf774801c9f1b11e70966ce65ec7f95d7730f380d

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Oracle Configuration

Pricing MethodologyVWAPIR
Deviation (%) & Refresh Frequency0.2% and 120 seconds
Heartbeat24h

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Available Asset Feeds

Asset Price FeedAsset Markets
USDT/USDUSDT Markets
ETH/USDETH Markets
USDC/USDUSDC Markets
BTC/USDBTC Markets
TLOS/USDTLOS Markets
MATIC/USDMATIC Markets
BNB/USDBNB Markets
AVAX/USDAVAX Markets
S/USDSonic Markets

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How to Access Data

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getValue Method

To consume price data, you’ll need to invoke the getValue method on the oracle contract which you can access through the DIA Oracle library or the interface. Below is an example of a contract consuming data from the Telos mainnet oracle. If you pass BTC/USD as the key, it will return the most recent price of BTC in USD with 8 decimal places (e.g. 9601458065403 is $96,014.58065403) along with the Unix timestamp of the last price update. 
pragma solidity ^0.8.13;

interface IDIAOracleV2 {
    function getValue(string memory) external view returns (uint128, uint128);
}

contract DIAOracleV2Consumer {

    address immutable ORACLE = 0xf774801c9f1b11e70966ce65ec7f95d7730f380d;

    function getPrice(string memory key)
    external
    view
    returns (
        uint128 latestPrice,
        uint128 timestampOfLatestPrice
    ) {
        (latestPrice, timestampOfLatestPrice) =
                 IDIAOracleV2(ORACLE).getValue(key);
    }
}
See the full example here.

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Request a Custom Oracle

DIA offers highly customizable oracles that are individually tailored to each dApp’s needs. Each oracle can be customized in the following ways, including:
  • Data Sources & Asset Feeds
  • Pricing Methodologies
  • Update Triggers (Frequency, Deviation, Heartbeat, …etc)
Get a tailored oracle for your dApp, request one below:

Request Custom Oracle

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Support

For developer assistance, connect with the DIA team directly on Discord or Telegram.