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How-to guide

Step-by-step guide on using the DIA Oracle Builder. Learn how to select price feeds, choose calculation methodologies, deploy on your desired network, and more.

This section provides a detailed guide on the deployment process of the product. The process includes selecting price feeds, determining the methodology for price calculation, choosing a network, determining update triggers, and finally deploying the oracle.

1. Selecting Price Feeds

Asset Selection:

  • Search and add cryptocurrency price feeds to the oracle.

  • These feeds return values in USD.

  • Maximum limit: 10 price feeds per oracle.

  • Search using token symbol (e.g., ETH, BTC) or asset’s address.

  • Tokens appearing in multiple chains show the network in parenthesis next to the symbol.

Methodology Selection

Choose your desired methodology for price calculation:

Note: Both methodologies come with outlier filtering by default. Outlier filtering is most effective with a large number of trades. Read more about the filtering methodology here.

Sources Selection

  • Choose the data sources to compose your feed.

  • Opt for entire exchanges or, for more precision, select specific asset pairs within exchanges using their dropdown menus.

  • Recommendation: Favor assets with a broader source range and significant trade volumes.

  • Important Notices:

    • Be cautious of tokens with limited sources or low trade volumes.

    • Tokens not trading via DIA’s integrated sources are ineligible for selection. Get in touch us with via Telegram or Discord to request a new source integration.

2. Selecting Network

Choose the desired network for oracle deployment. It's possible to deploy any price feed on any available network, irrespective of where the asset is traded. Available networks:

  • Ethereum Goerli

  • Arbitrum Goerli

  • Polygon Mumbai

Upcoming: New networks will be added based on demand and integration availability.

3. Selecting Update Triggers

Define how the oracle will push updated price information on-chain. Options:

  • Time-based: Updates pushed at a set time interval (seconds, minutes, hours). Max: 24 hours; minimum 120 seconds.

  • Time + deviation-based: As above, but also oracle updates if an asset’s price varies by a set percentage from the last reported value.

4. Deployment Process

Deployment is a 3-step process:

Oracle Deployment:

  • The oracle smart contract is created individually, each having unique public and private keys.

  • Oracle's address is shown in the same window.

  • This step requires gas tokens.

Address Verification:

  • Confirms the deploying user’s identity and their rights to manage the oracle.

  • Ongoing verification for maximum security.

  • Does not require gas tokens.

Ownership Assignment:

  • Grants the verified user permission to update the oracle.

  • Done only once, when the oracle is first created.

  • Requires gas tokens.

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