DelphiOracle
A decentralized oracle providing near-realtime asset prices to EOS smart contracts using a median of submissions from block producers.
Overview
DelphiOracle is a decentralized oracle smart contract on the EOS blockchain designed to provide reliable, near-realtime price feeds for asset pairs. It aggregates data from the top block producers, using a median calculation to ensure Byzantine fault tolerance and resist manipulation.
Key Features
- Decentralized Price Feed — Aggregates price data from multiple EOS block producers to create a tamper-resistant source.
- Byzantine Fault Tolerance — Uses the median of the last 21 datapoints, tolerating up to 10 colluding or corrupt block producers.
- Incentive Mechanisms — Rewards block producers with EOS tokens and proxy votes for contributing data, encouraging participation.
- Near-Realtime Updates — Allows qualified block producers to push price updates at a maximum frequency of once per minute per asset.
- Multi-Asset Support — Provides feeds for pairs like EOS/USD, EOS/BTC, and EOS/CNY with configurable precision.
- Random Number Generation (RNG) — Supports a decentralized random data source for applications requiring verifiable randomness.
Philosophy
DelphiOracle leverages the decentralized nature of EOS block producers to create a trust-minimized and economically incentivized oracle, ensuring reliable data for smart contracts without relying on a single authority.
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