From: Matt Corallo <git@bluematt.me>
Date: Thu, 1 Aug 2024 21:32:47 +0000 (+0000)
Subject: Add a feature to slow things down for a smaller binary
X-Git-Tag: v0.6.5~4
X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=b7c1896f4d6a49bb3b30f589e511642c74066301;p=dnssec-prover

Add a feature to slow things down for a smaller binary
---

diff --git a/Cargo.toml b/Cargo.toml
index f4c1423..e3dcc76 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,6 +19,7 @@ std = []
 validation = ["bitcoin_hashes", "hex_lit"]
 tokio = ["tokio_crate/net", "tokio_crate/io-util", "std"]
 build_server = ["tokio", "tokio_crate/rt-multi-thread", "tokio_crate/macros"]
+slower_smaller_binary = []
 
 [dependencies]
 bitcoin_hashes = { version = "0.14", default-features = false, optional = true }
diff --git a/README b/README
index c2b5f72..0d5746a 100644
--- a/README
+++ b/README
@@ -21,6 +21,10 @@ There are numerous APIs present:
    `/dnssecproof?d=domain&t=rr_type`, returning the binary proof containing and
    proving the Resource Record of type `rr_type` at `domain`.
 
+The `slower_smaller_binary` feature slows proof validation down by 50%+ for a
+very marginal reduction in binary size, but those who are extremely binary size
+constrained may still find it useful.
+
 See https://docs.rs/dnssec-prover for full API details on the Rust API.
 There's also a website which demonstrates the WASM build of this crate at
 https://http-dns-prover.as397444.net/ which allows for making validated queries.
diff --git a/src/lib.rs b/src/lib.rs
index 5a8f33c..f08034f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -24,6 +24,10 @@
 //!  * Finally, the crate can be built as a binary using the `build_server` feature, responding to
 //!    queries over HTTP GET calls to `/dnssecproof?d=domain.name.&t=RecordType` with DNSSEC
 //!    proofs.
+//!
+//! The `slower_smaller_binary` feature slows proof validation down by 50%+ for a very marginal
+//! reduction in binary size, but those who are extremely binary size constrained may still find it
+//! useful.
 
 #![deny(missing_docs)]
 #![deny(rustdoc::broken_intra_doc_links)]
diff --git a/test.sh b/test.sh
index 2a1ed1f..b0877fd 100755
--- a/test.sh
+++ b/test.sh
@@ -7,6 +7,7 @@ cargo $RUST_VERSION test --no-default-features --features std
 cargo $RUST_VERSION test --no-default-features --features tokio
 cargo $RUST_VERSION test --no-default-features --features validation
 cargo $RUST_VERSION test --features std,tokio,validation
+cargo $RUST_VERSION test --features std,tokio,validation,slower_smaller_binary
 cargo $RUST_VERSION test --no-default-features --features build_server
 cargo $RUST_VERSION build --lib
 cargo $RUST_VERSION build --lib --features std
diff --git a/validation_bloat_test/Cargo.toml b/validation_bloat_test/Cargo.toml
index 1b23fb4..530d08a 100644
--- a/validation_bloat_test/Cargo.toml
+++ b/validation_bloat_test/Cargo.toml
@@ -4,4 +4,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-dnssec-prover = { path = "../", default-features = false, features = ["validation"] }
+dnssec-prover = { path = "../", default-features = false, features = ["validation", "slower_smaller_binary"] }