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| author | Marcos Magueta <maguetamarcos@gmail.com> | 2024-10-26 14:26:10 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-10-26 14:26:10 -0300 |
| commit | 2eab114a120c7818861c0640ecdc300cf7366e53 (patch) | |
| tree | beb69c7038d79d8ca77d072d6f3afb144b5ff891 /shared | |
| parent | da309e886e31e6d55e46339647d56769d417114e (diff) | |
| download | Sakura-2eab114a120c7818861c0640ecdc300cf7366e53.tar.gz Sakura-2eab114a120c7818861c0640ecdc300cf7366e53.zip | |
Basic storage with C interop (#1)
* writer command design
* dune build with shared core lib
* port c lib project inside ocaml
* os specific dynamic link
* fix project name on flake
* fix: cmake cxx version breaking merklecpp
* finish write to disk and update maps func
* add non atomic commit to transaction graph
* merkle tree binding for generating root hash
* disk module refactor
---------
Co-authored-by: Renan Lopes <renans.l@icloud.com>
Diffstat (limited to '')
| -rw-r--r-- | shared/librelational_engine/CMakeLists.txt (renamed from CMakeLists.txt) | 10 | ||||
| -rw-r--r-- | shared/librelational_engine/flake.nix | 0 | ||||
| -rw-r--r-- | shared/librelational_engine/library.cpp | 30 | ||||
| -rw-r--r-- | shared/librelational_engine/library.h | 9 |
4 files changed, 42 insertions, 7 deletions
diff --git a/CMakeLists.txt b/shared/librelational_engine/CMakeLists.txt index 98dbfc4..d22d0d0 100644 --- a/CMakeLists.txt +++ b/shared/librelational_engine/CMakeLists.txt @@ -1,16 +1,12 @@ cmake_minimum_required(VERSION 3.29) -project(relational_engine_ocaml) - -set(CMAKE_CXX_STANDARD 20) +project(relational_engine) include_directories($ENV{LIBRESSL_INCLUDE_PATH}) include_directories($ENV{MERKLECPP_INCLUDE_PATH}) -include_directories($ENV{CAML_INCLUDE_PATH}) -add_library(relational_engine_ocaml STATIC - lib/merklecpp_stubs.cpp) +add_library(relational_engine SHARED library.cpp) -target_link_libraries(relational_engine_ocaml +target_link_libraries(relational_engine $ENV{LIBRESSL_LIB_PATH}/libssl.$ENV{OS_LIB_EXTENSION} $ENV{LIBRESSL_LIB_PATH}/libcrypto.$ENV{OS_LIB_EXTENSION} )
\ No newline at end of file diff --git a/shared/librelational_engine/flake.nix b/shared/librelational_engine/flake.nix new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/shared/librelational_engine/flake.nix diff --git a/shared/librelational_engine/library.cpp b/shared/librelational_engine/library.cpp new file mode 100644 index 0000000..8048486 --- /dev/null +++ b/shared/librelational_engine/library.cpp @@ -0,0 +1,30 @@ +#include <iostream> +#include <merklecpp.h> +#include <openssl/sha.h> +#include <iomanip> +extern "C" { +#include "library.h" + extern void merkle_generate_root(char** hashes, const int n, char* root) { + merkle::Tree tree; + for (int i = 0; i < n; i++){ + tree.insert(merkle::Hash(hashes[i])); + } + std::memcpy(root, tree.root().to_string().c_str(), HASH_SIZE); + } + extern void compute_hash(char* computed_hash, const char *content) { + + unsigned char hash[SHA256_DIGEST_LENGTH]; + SHA256_CTX sha256; + SHA256_Init(&sha256); + SHA256_Update(&sha256, content, sizeof(content)); + SHA256_Final(hash, &sha256); + std::stringstream ss; + for (int i = 0; i < SHA256_DIGEST_LENGTH; i++) + ss << std::hex << std::setw(2) << std::setfill('0') << static_cast<int>(hash[i]); + + std::memcpy(computed_hash, ss.str().c_str(), HASH_SIZE); + std::cout << "⚙️ COMPUTED HASH: " << computed_hash << std::endl; + } + + extern int trash() { return 100; } +}
\ No newline at end of file diff --git a/shared/librelational_engine/library.h b/shared/librelational_engine/library.h new file mode 100644 index 0000000..ebf8497 --- /dev/null +++ b/shared/librelational_engine/library.h @@ -0,0 +1,9 @@ +#ifndef MERKLECPP_STUB_LIBRARY_H +#define MERKLECPP_STUB_LIBRARY_H + +#define HASH_SIZE 64 + +extern void merkle_generate_root(char**, const int, char*); +extern void compute_hash(char*, const char*); + +#endif //MERKLECPP_STUB_LIBRARY_H |