unsigned char commitment_seed_arr[32];
(*_env)->GetByteArrayRegion (_env, commitment_seed, 0, 32, commitment_seed_arr);
unsigned char (*commitment_seed_ref)[32] = &commitment_seed_arr;
LDKThirtyTwoBytes* ret = malloc(sizeof(LDKThirtyTwoBytes));
unsigned char commitment_seed_arr[32];
(*_env)->GetByteArrayRegion (_env, commitment_seed, 0, 32, commitment_seed_arr);
unsigned char (*commitment_seed_ref)[32] = &commitment_seed_arr;
LDKThirtyTwoBytes* ret = malloc(sizeof(LDKThirtyTwoBytes));