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//! # quicknode-cascade
//!
//! Stream blockchain data at scale. Plugin-based framework powered by
//! [QuickNode Cascade](https://cascade.quiknode.io) — an edge-cached block archive
//! served from 300+ global PoPs with sub-50ms latency.
//!
//! Currently supports **Solana**. More chains coming soon.
//!
//! ## Two Approaches
//!
//! **Custom extraction** — implement [`solana::Plugin::on_raw`] and parse raw JSON yourself:
//!
//! ```rust,no_run
//! use quicknode_cascade::{CascadeRunner, solana};
//!
//! struct MyParser;
//! impl solana::Plugin for MyParser {
//! fn name(&self) -> &'static str { "my-parser" }
//! fn on_raw<'a>(&'a self, slot: u64, raw: &'a serde_json::Value) -> solana::PluginFuture<'a> {
//! Box::pin(async move {
//! let txs = raw.get("transactions").and_then(|v| v.as_array());
//! println!("slot {} — {} txs", slot, txs.map_or(0, |t| t.len()));
//! Ok(())
//! })
//! }
//! }
//! ```
//!
//! **Built-in extraction** — let the framework extract structured data for you:
//!
//! ```rust,no_run
//! use quicknode_cascade::{CascadeRunner, solana};
//!
//! struct MyIndexer;
//! impl solana::Plugin for MyIndexer {
//! fn name(&self) -> &'static str { "my-indexer" }
//! fn on_block<'a>(&'a self, block: &'a solana::BlockData) -> solana::PluginFuture<'a> {
//! Box::pin(async move {
//! println!("slot {} — {} txs", block.slot, block.transaction_count);
//! Ok(())
//! })
//! }
//! }
//! ```
//!
//! Both can be combined. [`solana::extract_block()`] is also available as a utility.
pub
pub
pub use CascadeRunner;