From c569c0c34649cf3390e35e8ed0459efc2ed09f74 Mon Sep 17 00:00:00 2001
From: Laan Tungir <laantungir@laantungir.github.io>
Date: Fri, 15 Aug 2025 07:47:16 -0400
Subject: [PATCH] Improved POW

---
 Makefile                |  42 ++++++++---
 VERSION                 |   2 +-
 build.sh                |  96 +++++++++++++++++++++++-
 libnostr_core.a         | Bin 15925618 -> 15925714 bytes
 nostr_core/core.c       |  32 +++++---
 nostr_core/core.o       | Bin 34888 -> 34984 bytes
 nostr_core/nostr_core.h |  10 ++-
 tests/test_pow_loop.c   | 161 ----------------------------------------
 8 files changed, 155 insertions(+), 188 deletions(-)
 delete mode 100644 tests/test_pow_loop.c

diff --git a/Makefile b/Makefile
index 7d0579f9..838eb632 100644
--- a/Makefile
+++ b/Makefile
@@ -65,37 +65,55 @@ $(SECP256K1_LIB): secp256k1/configure
 		fi
 	@echo "x86_64 secp256k1 library built successfully"
 
-# Build OpenSSL for x86_64
+# Build OpenSSL for x86_64 (minimal build optimized for curl)
 $(OPENSSL_LIB_SSL) $(OPENSSL_LIB_CRYPTO): openssl-3.4.2/Configure
-	@echo "Building OpenSSL for x86_64..."
+	@echo "Building minimal OpenSSL for x86_64 (optimized for curl)..."
 	@cd openssl-3.4.2 && \
 		if [ ! -f ../openssl-install/lib64/libssl.a ] || [ ! -f ../openssl-install/lib64/libcrypto.a ]; then \
-			echo "Configuring OpenSSL..."; \
+			echo "Configuring minimal OpenSSL..."; \
 			make distclean >/dev/null 2>&1 || true; \
-			./Configure linux-x86_64 --prefix=$(PWD)/openssl-install --openssldir=$(PWD)/openssl-install/ssl no-shared no-dso; \
-			echo "Building OpenSSL libraries..."; \
+			./Configure linux-x86_64 \
+				--prefix=$(PWD)/openssl-install \
+				--openssldir=$(PWD)/openssl-install/ssl \
+				no-shared no-dso no-apps no-docs \
+				no-ssl3 no-tls1 no-tls1_1 \
+				no-engine no-comp no-legacy \
+				no-gost no-idea no-seed no-md2 no-md4 \
+				no-mdc2 no-rmd160 no-camellia no-rc5 \
+				no-bf no-cast no-des \
+				enable-tls1_2 enable-tls1_3; \
+			echo "Building minimal OpenSSL libraries..."; \
 			make -j$(shell nproc 2>/dev/null || echo 4); \
 			make install_sw >/dev/null 2>&1; \
 		else \
 			echo "OpenSSL libraries already exist, skipping build"; \
 		fi
-	@echo "x86_64 OpenSSL libraries built successfully"
+	@echo "x86_64 minimal OpenSSL libraries built successfully"
 
-# Build curl for x86_64
+# Build curl for x86_64 (minimal HTTPS-only build)
 $(CURL_LIB): curl-8.15.0/curl-8.15.0/configure $(OPENSSL_LIB_SSL)
-	@echo "Building curl for x86_64..."
+	@echo "Building minimal curl for x86_64 (HTTPS-only)..."
 	@cd curl-8.15.0/curl-8.15.0 && \
 		if [ ! -f ../../curl-install/lib/libcurl.a ]; then \
-			echo "Configuring curl..."; \
+			echo "Configuring minimal curl..."; \
 			make distclean >/dev/null 2>&1 || true; \
-			./configure --prefix=$(PWD)/curl-install --with-openssl=$(PWD)/openssl-install --disable-shared --enable-static --without-libpsl --without-nghttp2 --without-brotli --without-zstd; \
-			echo "Building curl library..."; \
+			./configure --prefix=$(PWD)/curl-install \
+				--with-openssl=$(PWD)/openssl-install \
+				--disable-shared --enable-static \
+				--disable-ftp --disable-file --disable-ldap --disable-ldaps \
+				--disable-pop3 --disable-imap --disable-smtp \
+				--disable-gopher --disable-smb --disable-telnet \
+				--disable-tftp --disable-dict --disable-rtsp \
+				--disable-manual --disable-libcurl-option \
+				--without-libpsl --without-nghttp2 --without-brotli --without-zstd \
+				--without-libidn2 --without-librtmp --without-libssh2; \
+			echo "Building minimal curl library..."; \
 			make -j$(shell nproc 2>/dev/null || echo 4); \
 			make install >/dev/null 2>&1; \
 		else \
 			echo "curl library already exists, skipping build"; \
 		fi
-	@echo "x86_64 curl library built successfully"
+	@echo "x86_64 minimal curl library built successfully"
 
 # Static library - includes secp256k1 and OpenSSL objects for self-contained library
 $(STATIC_LIB): $(LIB_OBJECTS) $(SECP256K1_LIB) $(OPENSSL_LIB_SSL) $(OPENSSL_LIB_CRYPTO)
diff --git a/VERSION b/VERSION
index a2e1aa9d..db7a4804 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.1.27
+0.1.31
diff --git a/build.sh b/build.sh
index 05960ab3..d5ef46da 100755
--- a/build.sh
+++ b/build.sh
@@ -80,12 +80,60 @@ increment_version() {
     print_success "Updated VERSION file to ${NEW_VERSION#v}"
 }
 
+# Function to perform git operations after successful build
+perform_git_operations() {
+    local commit_message="$1"
+    
+    if [[ -z "$commit_message" ]]; then
+        return 0  # No commit message provided, skip git operations
+    fi
+    
+    print_status "Performing git operations..."
+    
+    # Check if we're in a git repository
+    if ! git rev-parse --git-dir > /dev/null 2>&1; then
+        print_warning "Not in a git repository - skipping git operations"
+        return 0
+    fi
+    
+    # Check if there are changes to commit
+    if git diff --quiet && git diff --cached --quiet; then
+        print_warning "No changes to commit"
+        return 0
+    fi
+    
+    # Add all changes
+    print_status "Adding changes to git..."
+    if ! git add .; then
+        print_error "Failed to add changes to git"
+        return 1
+    fi
+    
+    # Commit changes
+    print_status "Committing changes with message: '$commit_message'"
+    if ! git commit -m "$commit_message"; then
+        print_error "Failed to commit changes"
+        return 1
+    fi
+    
+    # Push changes
+    print_status "Pushing changes to remote repository..."
+    if ! git push; then
+        print_error "Failed to push changes to remote repository"
+        print_warning "Changes have been committed locally but not pushed"
+        return 1
+    fi
+    
+    print_success "Git operations completed successfully!"
+    return 0
+}
+
 # Function to show usage
 show_usage() {
     echo "NOSTR Core Library Build Script"
     echo "==============================="
     echo ""
-    echo "Usage: $0 [target] [architecture]"
+    echo "Usage: $0 [target] [-m \"commit message\"]"
     echo ""
     echo "Available targets:"
     echo "  clean       - Clean all build artifacts"
@@ -99,6 +147,14 @@ show_usage() {
     echo "  uninstall   - Remove library from system"
     echo "  help        - Show this help message"
     echo ""
+    echo "Options:"
+    echo "  -m \"message\"  - Git commit message (triggers automatic git add, commit, push after successful build)"
+    echo ""
+    echo "Examples:"
+    echo "  $0 lib -m \"Add new proof-of-work parameters\""
+    echo "  $0 x64 -m \"Fix OpenSSL minimal build configuration\""
+    echo "  $0 lib                                        # Build without git operations"
+    echo ""
     echo "Library outputs (both self-contained with secp256k1):"
     echo "  libnostr_core.a       - x86_64 static library"
     echo "  libnostr_core_arm64.a - ARM64 static library"
@@ -109,7 +165,36 @@ show_usage() {
 }
 
 # Parse command line arguments
-TARGET=${1:-lib}
+TARGET=""
+COMMIT_MESSAGE=""
+
+# Parse arguments
+while [[ $# -gt 0 ]]; do
+    case $1 in
+        -m)
+            COMMIT_MESSAGE="$2"
+            shift 2
+            ;;
+        -*)
+            print_error "Unknown option: $1"
+            show_usage
+            exit 1
+            ;;
+        *)
+            if [[ -z "$TARGET" ]]; then
+                TARGET="$1"
+            else
+                print_error "Multiple targets specified: $TARGET and $1"
+                show_usage
+                exit 1
+            fi
+            shift
+            ;;
+    esac
+done
+
+# Set default target if none specified
+TARGET=${TARGET:-lib}
 
 case "$TARGET" in
     clean)
@@ -145,6 +230,7 @@ case "$TARGET" in
         if [ $SUCCESS -eq 2 ]; then
             print_success "Both architectures built successfully!"
             ls -la libnostr_core*.a
+            perform_git_operations "$COMMIT_MESSAGE"
         else
             print_error "Failed to build all libraries"
             exit 1
@@ -160,6 +246,7 @@ case "$TARGET" in
             SIZE=$(stat -c%s "libnostr_core.a")
             print_success "x64 static library built successfully (${SIZE} bytes)"
             ls -la libnostr_core.a
+            perform_git_operations "$COMMIT_MESSAGE"
         else
             print_error "Failed to build x64 static library"
             exit 1
@@ -175,6 +262,7 @@ case "$TARGET" in
             SIZE=$(stat -c%s "libnostr_core_arm64.a")
             print_success "ARM64 static library built successfully (${SIZE} bytes)"
             ls -la libnostr_core_arm64.a
+            perform_git_operations "$COMMIT_MESSAGE"
         else
             print_error "Failed to build ARM64 static library"
             exit 1
@@ -190,6 +278,7 @@ case "$TARGET" in
             SIZE=$(stat -c%s "libnostr_core.so")
             print_success "Shared library built successfully (${SIZE} bytes)"
             ls -la libnostr_core.so
+            perform_git_operations "$COMMIT_MESSAGE"
         else
             print_error "Failed to build shared library"
             exit 1
@@ -224,6 +313,7 @@ case "$TARGET" in
             print_success "All libraries and examples built successfully!"
             ls -la libnostr_core*.a
             ls -la examples/
+            perform_git_operations "$COMMIT_MESSAGE"
         else
             print_error "Failed to build all components"
             exit 1
@@ -242,6 +332,7 @@ case "$TARGET" in
             print_success "Both libraries and examples built successfully"
             ls -la libnostr_core*.a
             ls -la examples/
+            perform_git_operations "$COMMIT_MESSAGE"
         else
             print_error "Failed to build libraries for examples"
             exit 1
@@ -281,6 +372,7 @@ case "$TARGET" in
         make all
         sudo make install
         print_success "Library installed to /usr/local"
+        perform_git_operations "$COMMIT_MESSAGE"
         ;;
         
     uninstall)
diff --git a/libnostr_core.a b/libnostr_core.a
index e46267280b2be17d8c94b0ea7233386ca36af062..4b132684e6ae718da83de45476669f3ac01243f3 100644
GIT binary patch
delta 46028
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diff --git a/nostr_core/core.c b/nostr_core/core.c
index 29fa073d..7dba034e 100644
--- a/nostr_core/core.c
+++ b/nostr_core/core.c
@@ -1376,12 +1376,16 @@ static void replace_event_content(cJSON* target_event, cJSON* source_event) {
  * @param event The event to add proof of work to
  * @param private_key The private key for re-signing the event
  * @param target_difficulty Target number of leading zero bits (default: 4 if 0)
+ * @param max_attempts Maximum number of mining attempts (default: 10,000,000 if <= 0)
+ * @param progress_report_interval How often to call progress callback (default: 10,000 if <= 0)
+ * @param timestamp_update_interval How often to update timestamp (default: 10,000 if <= 0)
  * @param progress_callback Optional callback for mining progress
  * @param user_data User data for progress callback
  * @return NOSTR_SUCCESS on success, error code on failure
  */
 int nostr_add_proof_of_work(cJSON* event, const unsigned char* private_key, 
-                           int target_difficulty,
+                           int target_difficulty, int max_attempts,
+                           int progress_report_interval, int timestamp_update_interval,
                            void (*progress_callback)(int current_difficulty, uint64_t nonce, void* user_data),
                            void* user_data) {
     if (!event || !private_key) {
@@ -1398,6 +1402,17 @@ int nostr_add_proof_of_work(cJSON* event, const unsigned char* private_key,
         return NOSTR_SUCCESS;
     }
     
+    // Set default values for parameters
+    if (max_attempts <= 0) {
+        max_attempts = 10000000;  // 10 million default
+    }
+    if (progress_report_interval <= 0) {
+        progress_report_interval = 10000;  // Every 10,000 attempts
+    }
+    if (timestamp_update_interval <= 0) {
+        timestamp_update_interval = 10000;  // Every 10,000 attempts
+    }
+    
     // Extract event data for reconstruction
     cJSON* kind_item = cJSON_GetObjectItem(event, "kind");
     cJSON* content_item = cJSON_GetObjectItem(event, "content");
@@ -1414,7 +1429,6 @@ int nostr_add_proof_of_work(cJSON* event, const unsigned char* private_key,
     
     uint64_t nonce = 0;
     int attempts = 0;
-    int max_attempts = 10000000;
     time_t current_timestamp = original_timestamp;
     
     // PoW difficulty tracking variables
@@ -1423,8 +1437,8 @@ int nostr_add_proof_of_work(cJSON* event, const unsigned char* private_key,
     
     // Mining loop
     while (attempts < max_attempts) {
-        // Update timestamp every 10,000 iterations
-        if (attempts % 10000 == 0) {
+        // Update timestamp based on timestamp_update_interval
+        if (attempts % timestamp_update_interval == 0) {
             current_timestamp = time(NULL);
 #ifdef ENABLE_DEBUG_LOGGING
             FILE* f = fopen("debug.log", "a"); 
@@ -1438,6 +1452,11 @@ int nostr_add_proof_of_work(cJSON* event, const unsigned char* private_key,
             best_difficulty_this_round = 0;
         }
         
+        // Call progress callback at specified intervals
+        if (progress_callback && (attempts % progress_report_interval == 0)) {
+            progress_callback(best_difficulty_overall, nonce, user_data);
+        }
+        
         // Create working copy of tags and add nonce
         cJSON* working_tags = cJSON_Duplicate(tags_item, 1);
         if (!working_tags) {
@@ -1483,11 +1502,6 @@ int nostr_add_proof_of_work(cJSON* event, const unsigned char* private_key,
             best_difficulty_overall = current_difficulty;
         }
         
-        // Call progress callback if provided
-        if (progress_callback) {
-            progress_callback(current_difficulty, nonce, user_data);
-        }
-        
         // Check if we've reached the target
         if (current_difficulty >= target_difficulty) {
 #ifdef ENABLE_DEBUG_LOGGING
diff --git a/nostr_core/core.o b/nostr_core/core.o
index a76b01542b6fd81bb3cdff6d3e1edee5188edbdc..905d766d8a90086864f3531e764ffcf661461dcf 100644
GIT binary patch
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diff --git a/nostr_core/nostr_core.h b/nostr_core/nostr_core.h
index 6367f6ab..5786bc7e 100644
--- a/nostr_core/nostr_core.h
+++ b/nostr_core/nostr_core.h
@@ -485,13 +485,17 @@ int nostr_decode_npub(const char* input, unsigned char* private_key);
  * 
  * @param event cJSON event object to add PoW to
  * @param private_key Private key for re-signing the event during mining
- * @param target_difficulty Target number of leading zero bits (default: 2 if 0)
- * @param progress_callback Optional callback for progress updates (nonce, difficulty, user_data)
+ * @param target_difficulty Target number of leading zero bits (default: 4 if 0)
+ * @param max_attempts Maximum number of mining attempts (default: 10,000,000 if <= 0)
+ * @param progress_report_interval How often to call progress callback (default: 10,000 if <= 0)
+ * @param timestamp_update_interval How often to update timestamp (default: 10,000 if <= 0)
+ * @param progress_callback Optional callback for progress updates (current_difficulty, nonce, user_data)
  * @param user_data User data passed to progress callback
  * @return NOSTR_SUCCESS on success, error code on failure
  */
 int nostr_add_proof_of_work(cJSON* event, const unsigned char* private_key, 
-                           int target_difficulty,
+                           int target_difficulty, int max_attempts,
+                           int progress_report_interval, int timestamp_update_interval,
                            void (*progress_callback)(int current_difficulty, uint64_t nonce, void* user_data),
                            void* user_data);
 
diff --git a/tests/test_pow_loop.c b/tests/test_pow_loop.c
deleted file mode 100644
index 5afecc98..00000000
--- a/tests/test_pow_loop.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * Manual Proof of Work Loop Test
- * 
- * Creates an event and manually mines it by incrementing nonce
- * until target difficulty is reached. Shows each iteration.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "../nostr_core/nostr_core.h"
-#include "../cjson/cJSON.h"
-
-// Helper function to count leading zero bits (from NIP-13)
-static int zero_bits(unsigned char b) {
-    int n = 0;
-    
-    if (b == 0)
-        return 8;
-    
-    while (b >>= 1)
-        n++;
-    
-    return 7-n;
-}
-
-// Count leading zero bits in hash (from NIP-13)
-static int count_leading_zero_bits(unsigned char *hash) {
-    int bits, total, i;
-    for (i = 0, total = 0; i < 32; i++) {
-        bits = zero_bits(hash[i]);
-        total += bits;
-        if (bits != 8)
-            break;
-    }
-    return total;
-}
-
-int main() {
-    // Initialize library
-    if (nostr_init() != NOSTR_SUCCESS) {
-        fprintf(stderr, "Failed to initialize nostr library\n");
-        return 1;
-    }
-    
-    // Generate test keypair
-    unsigned char private_key[32];
-    unsigned char public_key[32];
-    
-    if (nostr_generate_keypair(private_key, public_key) != NOSTR_SUCCESS) {
-        fprintf(stderr, "Failed to generate keypair\n");
-        nostr_cleanup();
-        return 1;
-    }
-    
-    printf("=== Manual Proof of Work Mining (Target Difficulty: 8) ===\n\n");
-    
-    // Create base event content
-    const char* content = "Proof of Work Test";
-    int kind = 1;
-    time_t created_at = time(NULL);
-    
-    // Target difficulty
-    const int target_difficulty = 20;
-    uint64_t nonce = 0;
-    int max_attempts = 10000000000;
-    
-    printf("Mining event with target difficulty %d...\n\n", target_difficulty);
-    
-    // Mining loop
-    for (int attempt = 0; attempt < max_attempts; attempt++) {
-        // Create tags array with current nonce
-        cJSON* tags = cJSON_CreateArray();
-        if (!tags) {
-            fprintf(stderr, "Failed to create tags array\n");
-            break;
-        }
-        
-        // Add nonce tag: ["nonce", "<nonce>", "<target_difficulty>"]
-        cJSON* nonce_tag = cJSON_CreateArray();
-        char nonce_str[32];
-        char difficulty_str[16];
-        snprintf(nonce_str, sizeof(nonce_str), "%llu", (unsigned long long)nonce);
-        snprintf(difficulty_str, sizeof(difficulty_str), "%d", target_difficulty);
-        
-        cJSON_AddItemToArray(nonce_tag, cJSON_CreateString("nonce"));
-        cJSON_AddItemToArray(nonce_tag, cJSON_CreateString(nonce_str));
-        cJSON_AddItemToArray(nonce_tag, cJSON_CreateString(difficulty_str));
-        cJSON_AddItemToArray(tags, nonce_tag);
-        
-        // Create and sign event with current nonce
-        cJSON* event = nostr_create_and_sign_event(kind, content, tags, private_key, created_at);
-        cJSON_Delete(tags);
-        
-        if (!event) {
-            fprintf(stderr, "Failed to create event at nonce %llu\n", (unsigned long long)nonce);
-            nonce++;
-            continue;
-        }
-        
-        // Get event ID
-        cJSON* id_item = cJSON_GetObjectItem(event, "id");
-        if (!id_item || !cJSON_IsString(id_item)) {
-            fprintf(stderr, "Failed to get event ID at nonce %llu\n", (unsigned long long)nonce);
-            cJSON_Delete(event);
-            nonce++;
-            continue;
-        }
-        
-        const char* event_id = cJSON_GetStringValue(id_item);
-        
-        // Convert hex ID to bytes and count leading zero bits
-        unsigned char hash[32];
-        if (nostr_hex_to_bytes(event_id, hash, 32) != NOSTR_SUCCESS) {
-            fprintf(stderr, "Failed to convert event ID to bytes at nonce %llu\n", (unsigned long long)nonce);
-            cJSON_Delete(event);
-            nonce++;
-            continue;
-        }
-        
-        int current_difficulty = count_leading_zero_bits(hash);
-        
-        // Print current attempt
-        printf("Nonce %llu: ID = %.16s... (difficulty: %d)", 
-               (unsigned long long)nonce, event_id, current_difficulty);
-        
-        // Check if we've reached target difficulty
-        if (current_difficulty >= target_difficulty) {
-            printf(" ✓ SUCCESS!\n\n");
-            
-            // Print final successful event
-            printf("=== SUCCESSFUL EVENT ===\n");
-            char* final_json = cJSON_Print(event);
-            if (final_json) {
-                printf("%s\n", final_json);
-                free(final_json);
-            }
-            
-            printf("\n🎉 Mining completed!\n");
-            printf("   Attempts: %d\n", attempt + 1);
-            printf("   Final nonce: %llu\n", (unsigned long long)nonce);
-            printf("   Final difficulty: %d (target was %d)\n", current_difficulty, target_difficulty);
-            
-            cJSON_Delete(event);
-            nostr_cleanup();
-            return 0;
-        } else {
-            printf(" (need %d)\n", target_difficulty);
-        }
-        
-        cJSON_Delete(event);
-        nonce++;
-    }
-    
-    // If we reach here, we've exceeded max attempts
-    printf("\n❌ Mining failed after %d attempts\n", max_attempts);
-    printf("Consider increasing max_attempts or reducing target_difficulty\n");
-    
-    nostr_cleanup();
-    return 1;
-}