ethereum · jtraglia · Oct 18, 2023 · Oct 17, 2023 · Oct 17, 2023 · Oct 17, 2023
diff --git a/.github/workflows/c-tests.yml b/.github/workflows/c-tests.yml
@@ -35,34 +35,10 @@ jobs:
           make format
           git diff --exit-code
 
-      # Build and test with minimal preset.
-      - name: Build (minimal)
-        run: |
-          export FIELD_ELEMENTS_PER_BLOB=4
-          make clean && make test_c_kzg_4844
-          unset FIELD_ELEMENTS_PER_BLOB
-      - name: Save test binary (minimal)
-        if: matrix.os == 'windows-latest'
-        uses: actions/upload-artifact@v3
-        with:
-          name: test_minimal_${{matrix.os}}
-          path: src/test_c_kzg_4844.exe
-      - name: Test (minimal)
-        run: make test
-
-      # Build and test with mainnet preset.
-      - name: Build (mainnet)
-        run: |
-          export FIELD_ELEMENTS_PER_BLOB=4096
-          make clean && make test_c_kzg_4844
-          unset FIELD_ELEMENTS_PER_BLOB
-      - name: Save test binary (mainnet)
-        if: matrix.os == 'windows-latest'
-        uses: actions/upload-artifact@v3
-        with:
-          name: test_mainnet_${{matrix.os}}
-          path: src/test_c_kzg_4844.exe
-      - name: Test (mainnet)
+      # Build and test.
+      - name: Build
+        run: make test_c_kzg_4844
+      - name: Test
         run: make test
 
       # Run sanitizers.

diff --git a/.github/workflows/java-tests.yml b/.github/workflows/java-tests.yml
@@ -26,11 +26,7 @@ jobs:
         run: |
           cd src
           make blst
-      - name: Build and Test (mainnet preset)
+      - name: Build and Test
         run: |
           cd bindings/java
           make build test
-      - name: Build and Test (minimal preset)
-        run: |
-          cd bindings/java
-          make PRESET=minimal build test
diff --git a/.github/workflows/rust-tests.yml b/.github/workflows/rust-tests.yml
@@ -36,12 +36,9 @@ jobs:
           submodules: recursive
       - uses: dtolnay/rust-toolchain@stable
       - uses: Swatinem/rust-cache@v2
-      - name: Build and Test (minimal preset)
+      - name: Build and Test
         working-directory: bindings/rust
-        run: cargo test --features minimal-spec
-      - name: Build and Test (mainnet preset)
-        working-directory: bindings/rust
-        run: cargo test --features mainnet-spec
+        run: cargo test
       - name: Benchmark
         working-directory: bindings/rust
         run: cargo bench
diff --git a/bindings/csharp/Makefile b/bindings/csharp/Makefile
@@ -38,12 +38,10 @@ else
 	CKZG_LIBRARY_PATH = Ckzg.Bindings/runtimes/$(LOCATION)/native/ckzg$(EXTENSION)
 endif
 
-FIELD_ELEMENTS_PER_BLOB ?= 4096
 INCLUDE_DIRS = ../../src ../../blst/bindings
 TARGETS = ckzg.c ../../src/c_kzg_4844.c ../../blst/$(BLST_OBJ)
 
-CFLAGS += -O2 -Wall -Wextra -Wpedantic -shared
-CFLAGS += -DFIELD_ELEMENTS_PER_BLOB=$(FIELD_ELEMENTS_PER_BLOB)
+CFLAGS += -O2 -Wall -Wextra -shared
 CFLAGS += ${addprefix -I,${INCLUDE_DIRS}}
 BLST_BUILDSCRIPT_FLAGS += -D__BLST_PORTABLE__
 ifdef ARCH

diff --git a/bindings/go/README.md b/bindings/go/README.md
@@ -29,14 +29,6 @@ Run the benchmarks with this command:
 go test -bench=Benchmark
 ```
 
-## Minimal
-
-By default, `FIELD_ELEMENTS_PER_BLOB` will be 4096 (mainnet), but you can
-manually set it to 4 (minimal), like so:
-```
-CGO_CFLAGS="-DFIELD_ELEMENTS_PER_BLOB=4" go build
-```
-
 ## Note
 
 The `go.mod` and `go.sum` files are in the project's root directory because the

diff --git a/bindings/go/main.go b/bindings/go/main.go
@@ -2,9 +2,6 @@ package ckzg4844
 
 // #cgo CFLAGS: -I${SRCDIR}/../../src
 // #cgo CFLAGS: -I${SRCDIR}/blst_headers
-// #ifndef FIELD_ELEMENTS_PER_BLOB
-// #define FIELD_ELEMENTS_PER_BLOB 4096
-// #endif
 // #include "c_kzg_4844.c"
 import "C"
 

diff --git a/bindings/java/Makefile b/bindings/java/Makefile
@@ -42,15 +42,7 @@ else
   GRADLE_COMMAND=./gradlew
 endif
 
-PRESET ?= mainnet
-
-ifeq ($(PRESET),minimal)
-  FIELD_ELEMENTS_PER_BLOB ?= 4
-else
-  FIELD_ELEMENTS_PER_BLOB ?= 4096
-endif
-
-LIBRARY_FOLDER=src/main/resources/ethereum/ckzg4844/lib/${OS_ARCH}/${PRESET}
+LIBRARY_FOLDER=src/main/resources/ethereum/ckzg4844/lib/${OS_ARCH}
 
 ifeq ($(JAVA_HOME),)
   $(error JAVA_HOME is not set and autodetection failed)
@@ -61,7 +53,7 @@ all: build test benchmark
 .PHONY: build
 build:
 	mkdir -p ${LIBRARY_FOLDER}
-	${CLANG_EXECUTABLE} ${CC_FLAGS} ${CLANG_FLAGS} ${OPTIMIZATION_LEVEL} -Wall -Wextra -Wpedantic -Werror -Wno-missing-braces -Wno-unused-parameter -Wno-format ${addprefix -I,${INCLUDE_DIRS}} -I"${JAVA_HOME}/include" -I"${JAVA_HOME}/include/${JNI_INCLUDE_FOLDER}" -DFIELD_ELEMENTS_PER_BLOB=${FIELD_ELEMENTS_PER_BLOB} -o ${LIBRARY_FOLDER}/${LIBRARY_RESOURCE} ${TARGETS}
+	${CLANG_EXECUTABLE} ${CC_FLAGS} ${CLANG_FLAGS} ${OPTIMIZATION_LEVEL} -Wall -Wextra -Werror -Wno-missing-braces -Wno-unused-parameter -Wno-format ${addprefix -I,${INCLUDE_DIRS}} -I"${JAVA_HOME}/include" -I"${JAVA_HOME}/include/${JNI_INCLUDE_FOLDER}" -o ${LIBRARY_FOLDER}/${LIBRARY_RESOURCE} ${TARGETS}
 
 .PHONY: test
 test:

diff --git a/bindings/java/README.md b/bindings/java/README.md
@@ -14,8 +14,7 @@ make build
 ```
 
 This will install the shared library in `src/main/resources/ethereum/ckzg4844/lib` with a folder
-structure
-and name according to the preset selected (mainnet or minimal) and your OS.
+structure and name according your OS.
 
 All variables which could be passed to the `make` command and the defaults can be found in
 the [Makefile](./Makefile).

diff --git a/bindings/java/c_kzg_4844_jni.c b/bindings/java/c_kzg_4844_jni.c
@@ -56,11 +56,6 @@ KZGSettings *allocate_settings(JNIEnv *env)
   return s;
 }
 
-JNIEXPORT jint JNICALL Java_ethereum_ckzg4844_CKZG4844JNI_getFieldElementsPerBlob(JNIEnv *env, jclass thisCls)
-{
-  return (jint)FIELD_ELEMENTS_PER_BLOB;
-}
-
 JNIEXPORT void JNICALL Java_ethereum_ckzg4844_CKZG4844JNI_loadTrustedSetup__Ljava_lang_String_2(JNIEnv *env, jclass thisCls, jstring file)
 {
   if (settings)

diff --git a/bindings/java/c_kzg_4844_jni.h b/bindings/java/c_kzg_4844_jni.h
diff --git a/bindings/java/src/jmh/java/ethereum/ckzg4844/CKZG4844JNIBenchmark.java b/bindings/java/src/jmh/java/ethereum/ckzg4844/CKZG4844JNIBenchmark.java
@@ -1,6 +1,5 @@
 package ethereum.ckzg4844;
 
-import ethereum.ckzg4844.CKZG4844JNI.Preset;
 import java.util.concurrent.TimeUnit;
 import org.openjdk.jmh.annotations.Benchmark;
 import org.openjdk.jmh.annotations.BenchmarkMode;
@@ -25,7 +24,7 @@
 public class CKZG4844JNIBenchmark {
 
   static {
-    CKZG4844JNI.loadNativeLibrary(Preset.MAINNET);
+    CKZG4844JNI.loadNativeLibrary();
   }
 
   @State(Scope.Benchmark)

diff --git a/bindings/java/src/main/java/ethereum/ckzg4844/CKZG4844JNI.java b/bindings/java/src/main/java/ethereum/ckzg4844/CKZG4844JNI.java
@@ -13,19 +13,10 @@ public class CKZG4844JNI {
   private static final String LIBRARY_NAME = "ckzg4844jni";
   private static final String PLATFORM_NATIVE_LIBRARY_NAME = System.mapLibraryName(LIBRARY_NAME);
 
-  /**
-   * Loads the appropriate native library based on your platform and the selected {@link Preset}
-   *
-   * @param preset the preset
-   */
-  public static void loadNativeLibrary(Preset preset) {
+  /** Loads the appropriate native library based on your platform. */
+  public static void loadNativeLibrary() {
     String libraryResourcePath =
-        "lib/"
-            + System.getProperty("os.arch")
-            + "/"
-            + preset.name().toLowerCase()
-            + "/"
-            + PLATFORM_NATIVE_LIBRARY_NAME;
+        "lib/" + System.getProperty("os.arch") + "/" + PLATFORM_NATIVE_LIBRARY_NAME;
     InputStream libraryResource = CKZG4844JNI.class.getResourceAsStream(libraryResourcePath);
     if (libraryResource == null) {
       try {
@@ -52,17 +43,6 @@ public static void loadNativeLibrary(Preset preset) {
     }
   }
 
-  public enum Preset {
-    MAINNET(4096),
-    MINIMAL(4);
-
-    public final int fieldElementsPerBlob;
-
-    Preset(int fieldElementsPerBlob) {
-      this.fieldElementsPerBlob = fieldElementsPerBlob;
-    }
-  }
-
   /** Scalar field modulus of BLS12-381 */
   public static final BigInteger BLS_MODULUS =
       new BigInteger(
@@ -77,26 +57,13 @@ public enum Preset {
   public static final int BYTES_PER_PROOF = 48;
   /** Bytes used to encode a BLS scalar field element */
   public static final int BYTES_PER_FIELD_ELEMENT = 32;
+  /** Number of field elements in a blob */
+  public static final int FIELD_ELEMENTS_PER_BLOB = 4096;
+  /** Number of field elements in a blob */
+  public static final int BYTES_PER_BLOB = FIELD_ELEMENTS_PER_BLOB * BYTES_PER_FIELD_ELEMENT;
 
   private CKZG4844JNI() {}
 
-  /**
-   * Calculates the bytes per blob based on the output from {@link #getFieldElementsPerBlob()}
-   *
-   * @return the bytes per blob
-   */
-  public static int getBytesPerBlob() {
-    return getFieldElementsPerBlob() * BYTES_PER_FIELD_ELEMENT;
-  }
-
-  /**
-   * Retrieves the compile-time configured FIELD_ELEMENTS_PER_BLOB. The value will be based on the
-   * selected {@link Preset} when loading the native library.
-   *
-   * @return the field elements per blob
-   */
-  public static native int getFieldElementsPerBlob();
-
   /**
    * Loads the trusted setup from a file. Once loaded, the same setup will be used for all the
    * crypto native calls. To load a new setup, free the current one by calling {@link