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PirClient

pir_client

Struct PirClient 

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pub struct PirClient { /* private fields */ }
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PIR client that connects to a pir-server instance over HTTP.

Downloads Tier 0 data and YPIR parameters during connect(), then performs private queries via fetch_proof().

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impl PirClient

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pub async fn connect(server_url: &str) -> Result<Self>

Connect to a PIR server, downloading Tier 0 data and YPIR parameters.

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pub async fn connect_with_http(server_url: &str, http: Client) -> Result<Self>

Like connect but with a caller-provided reqwest::Client. Used by pir-test bench-server --mode single-tls to force HTTP/1.1 with a single connection (no HTTP/2 stream multiplexing) so we can isolate per-query upload bandwidth from HTTP/2 stream contention.

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pub async fn fetch_proof(&self, nullifier: Fp) -> Result<ImtProofData>

Perform private Merkle path retrieval for a nullifier.

Returns circuit-ready ImtProofData with a 29-element path (25 PIR siblings + 4 empty-hash padding).

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pub async fn fetch_proof_with_timing( &self, nullifier: Fp, ) -> Result<(ImtProofData, NoteTiming)>

Like fetch_proof but also returns the full client+server timing breakdown for load-testing / observability.

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pub async fn fetch_proofs(&self, nullifiers: &[Fp]) -> Result<Vec<ImtProofData>>

Perform private Merkle path retrieval for multiple nullifiers in parallel.

All queries run concurrently via try_join_all, sharing the same PirClient (and thus the same HTTP client and Tier 0 data).

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