status-im
/
c-kzg-4844
mirror of https://github.com/status-im/c-kzg-4844.git
2
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

handle exceptions

This commit is contained in:
Stefan Bratanov 2022-11-23 20:24:48 +00:00
parent a05211c23c
commit a50671dfe8
1 changed files with 40 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
bindings/java/c_kzg_4844_jni.c
View File

@ -1,9 +1,33 @@
#include <stdio.h>
#include <stdlib.h>
#include "c_kzg_4844_jni.h"
#include "c_kzg_4844.h"
static const char *C_KZG_RETURN_TYPES[] = {
"C_KZG_OK", "C_KZG_BADARGS", "C_KZG_ERROR", "C_KZG_MALLOC"};
KZGSettings *settings;
void reset_trusted_setup()
{
free(settings);
settings = NULL;
}
void throw_exception(JNIEnv *env, const char *message)
{
jclass Exception = (*env)->FindClass(env, "java/lang/RuntimeException");
(*env)->ThrowNew(env, Exception, message);
}
void verify_trusted_setup_is_loaded(JNIEnv *env)
{
if (settings == NULL)
{
throw_exception(env, "Trusted Setup is not loaded.");
}
}
JNIEXPORT void JNICALL Java_CKzg4844JNI_loadTrustedSetup(JNIEnv *env, jclass thisCls, jstring file)
{
settings = malloc(sizeof(KZGSettings));
@ -14,16 +38,22 @@ JNIEXPORT void JNICALL Java_CKzg4844JNI_loadTrustedSetup(JNIEnv *env, jclass thi
if (f == NULL)
{
free(settings);
reset_trusted_setup();
(*env)->ReleaseStringUTFChars(env, file, file_native);
throw_exception(env, "Couldn't load Trusted Setup. File might not exist or there is a permission issue.");
return;
}
if (load_trusted_setup(settings, f) != C_KZG_OK)
C_KZG_RET ret = load_trusted_setup(settings, f);
if (ret != C_KZG_OK)
{
free(settings);
fclose(f);
reset_trusted_setup();
(*env)->ReleaseStringUTFChars(env, file, file_native);
fclose(f);
char arr[60];
sprintf(arr, "There was an error while loading the Trusted Setup: %s", C_KZG_RETURN_TYPES[ret]);
throw_exception(env, arr);
return;
}
@ -36,13 +66,15 @@ JNIEXPORT void JNICALL Java_CKzg4844JNI_loadTrustedSetup(JNIEnv *env, jclass thi
JNIEXPORT void JNICALL Java_CKzg4844JNI_freeTrustedSetup(JNIEnv *env, jclass thisCls)
{
verify_trusted_setup_is_loaded(env);
free_trusted_setup(settings);
free(settings);
reset_trusted_setup();
printf("Trusted Setup was unloaded\n");
}
JNIEXPORT jbyteArray JNICALL Java_CKzg4844JNI_computeAggregateKzgProof(JNIEnv *env, jclass thisCls, jbyteArray blobs, jint count)
{
verify_trusted_setup_is_loaded(env);
// NOT YET IMPLEMENTED
// jbyte *blobs_native = (*env)->GetByteArrayElements(env, blobs, NULL);
jbyteArray proof = (*env)->NewByteArray(env, 48);
@ -51,12 +83,14 @@ JNIEXPORT jbyteArray JNICALL Java_CKzg4844JNI_computeAggregateKzgProof(JNIEnv *e
JNIEXPORT jboolean JNICALL Java_CKzg4844JNI_verifyAggregateKzgProof(JNIEnv *env, jclass thisCls, jbyteArray blobs, jbyteArray commitments, jint count, jbyteArray proof)
{
verify_trusted_setup_is_loaded(env);
// NOT YET IMPLEMENTED
return false;
}
JNIEXPORT jbyteArray JNICALL Java_CKzg4844JNI_blobToKzgCommitment(JNIEnv *env, jclass thisCls, jbyteArray blob)
{
verify_trusted_setup_is_loaded(env);
// NOT YET IMPLEMENTED
jbyteArray ret = (*env)->NewByteArray(env, 48);
return ret;
@ -64,6 +98,7 @@ JNIEXPORT jbyteArray JNICALL Java_CKzg4844JNI_blobToKzgCommitment(JNIEnv *env, j
JNIEXPORT jboolean JNICALL Java_CKzg4844JNI_verifyKzgProof(JNIEnv *env, jclass thisCls, jbyteArray commitment, jbyteArray z, jbyteArray y, jbyteArray proof)
{
verify_trusted_setup_is_loaded(env);
// NOT YET IMPLEMENTED
return false;
}