From 9192be36d316986984b91edd507ebf09ab73923e Mon Sep 17 00:00:00 2001
From: artemuhi <obo.art252@gmail.com>
Date: Thu, 7 Mar 2024 21:50:36 +0300
Subject: [PATCH] =?UTF-8?q?=D0=9F=D0=BB=D1=8E=D1=81=20=D1=84=D1=83=D0=BD?=
 =?UTF-8?q?=D0=BA=D1=86=D0=B8=D0=B8.?=
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---
 artemsbc.php | 63 +++++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 55 insertions(+), 8 deletions(-)

diff --git a/artemsbc.php b/artemsbc.php
index a303e69..2ace13b 100644
--- a/artemsbc.php
+++ b/artemsbc.php
@@ -1,20 +1,67 @@
 <?php
-function artembc_createbc($filename, $data=[]) {
+function artembc_createbc($filename, $namebc, $data=[]) {
     $temp=[[
         "id"=>0,
         "time"=>time(),
         "data"=>$data,
-        "transaction"=>[]
+        "transaction"=>[],
+        "prevhash"=>"ZeroBlock"
     ]];
-    $temp["hash"]=hash("sha256", json_encode($temp));
+    $temp[0]["data"]["namebc"]=$namebc;
+    $temp[0]["hash"]=hash("sha256", json_encode($temp));
     return artembc_save($filename, $temp);
 }
-function artembc_addtransaction() {}
-function artembc_initblock() {}
+function artembc_addtransaction($filename, &$transaction, $data) {
+    $bc=artembc_load($filename);
+    $temp=count($transaction);
+    $transaction[]=[
+        "id"=>count($transaction),
+        "idblock"=>count($bc)+1;
+        "time"=>time(),
+        "data"=>$data
+    ];
+    $transaction[$temp]["hash"]=hash("sha256", json_encode($transaction[$temp]));
+    return true;
+}
+function artembc_initblock($filename, &$transaction, $data=[]) {
+    $bc=artembc_load($filename);
+    $temp=count($bc);
+    for($i = 0, $size = count($transaction), $correct=true; $i < $size; ++$i) {
+        $block=$transaction[$i];
+        $hash=hash("sha256", json_encode([
+            "id"=>$block["id"],
+            "idblock"=>$block["idblock"],
+            "time"=>$block["time"],
+            "data"=>$block["data"]
+        ]));
+        if ($block["idblock"] != $temp and $hash != $block["hash"]) {
+            $correct=false;
+        };
+    };
+    if ($correct) {
+        $bc[]=[
+            "id"=>$temp,
+            "time"=>time(),
+            "data"=>$data,
+            "transaction"=>$transaction,
+            "prevhash"=>hash("sha256", json_encode($bc[$temp-1]))
+        ];
+    };
+    artembc_save($filename, $bc);
+    return $correct;
+}
 function artembc_checkbc() {}
-function artembc_getblock() {}
-function artembc_getbc() {}
-function artembc_getnamebc() {}
+function artembc_getblock($filename, $id) {
+    $temp=artembc_load($filename);
+    return $temp[$id];
+}
+function artembc_getbc($filename) {
+    return artembc_load($filename);
+}
+function artembc_getnamebc($filename) {
+    $bc=artembc_load($filename);
+    return $bc[0]["data"]["namebc"];
+}
 function artembc_save($filename, $data) {
     return file_put_contents($filename, json_encode($data));
 }