{"id":3597,"date":"2021-07-26T09:49:14","date_gmt":"2021-07-26T09:49:14","guid":{"rendered":"https:\/\/www.bearloga.space\/?page_id=3597"},"modified":"2021-07-26T09:49:15","modified_gmt":"2021-07-26T09:49:15","slug":"python-blockchain-dobavlenie-blokov","status":"publish","type":"page","link":"https:\/\/www.bearloga.space\/en\/python-blockchain-dobavlenie-blokov\/","title":{"rendered":"Python Blockchain \u2014 \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0431\u043b\u043e\u043a\u043e\u0432"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u041a\u0430\u0436\u0434\u044b\u0439 \u043c\u0430\u0439\u043d\u0435\u0440 \u0437\u0430\u0431\u0438\u0440\u0430\u0435\u0442 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438 \u0438\u0437 \u0440\u0430\u043d\u0435\u0435 \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u043e\u0433\u043e \u043f\u0443\u043b\u0430 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0439.&nbsp;\u0427\u0442\u043e\u0431\u044b \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u0442\u044c \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0443\u0436\u0435 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u044b\u0445 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0439, \u043c\u044b \u0434\u043e\u043b\u0436\u043d\u044b \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u0433\u043b\u043e\u0431\u0430\u043b\u044c\u043d\u0443\u044e \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">last_transaction_index = 0\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u0435\u043f\u0435\u0440\u044c \u0443 \u043d\u0430\u0441 \u0431\u0443\u0434\u0435\u0442 \u043d\u0430\u0448 \u043f\u0435\u0440\u0432\u044b\u0439 \u043c\u0430\u0439\u043d\u0435\u0440, \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0431\u043b\u043e\u043a \u0432 \u0431\u043b\u043e\u043a\u0447\u0435\u0439\u043d.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u0431\u043b\u043e\u043a\u0430<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0427\u0442\u043e\u0431\u044b \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u043d\u043e\u0432\u044b\u0439 \u0431\u043b\u043e\u043a, \u043c\u044b \u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u0441\u043e\u0437\u0434\u0430\u0435\u043c \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440 \u043a\u043b\u0430\u0441\u0441\u0430&nbsp;<strong>Block<\/strong>&nbsp;.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">block = Block()\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041c\u044b \u0437\u0430\u0431\u0438\u0440\u0430\u0435\u043c \u043f\u0435\u0440\u0432\u044b\u0435 3 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438 \u0438\u0437 \u043e\u0447\u0435\u0440\u0435\u0434\u0438 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">for i in range(3):\n   temp_transaction = transactions[last_transaction_index]\n   # validate transaction\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0435\u0440\u0435\u0434 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438 \u0432 \u0431\u043b\u043e\u043a \u043c\u0430\u0439\u043d\u0435\u0440 \u043f\u0440\u043e\u0432\u0435\u0440\u0438\u0442 \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438.&nbsp;\u0414\u043e\u0441\u0442\u043e\u0432\u0435\u0440\u043d\u043e\u0441\u0442\u044c \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438 \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u0442\u0441\u044f \u043f\u0443\u0442\u0435\u043c \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u043d\u0430 \u0440\u0430\u0432\u0435\u043d\u0441\u0442\u0432\u043e \u0445\u0435\u0448\u0430, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u043e\u0442\u043f\u0440\u0430\u0432\u0438\u0442\u0435\u043b\u0435\u043c, \u0445\u0435\u0448\u0443, \u0441\u0433\u0435\u043d\u0435\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u043c\u0443 \u043c\u0430\u0439\u043d\u0435\u0440\u043e\u043c \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0433\u043e \u043a\u043b\u044e\u0447\u0430 \u043e\u0442\u043f\u0440\u0430\u0432\u0438\u0442\u0435\u043b\u044f.&nbsp;\u0422\u0430\u043a\u0436\u0435 \u043c\u0430\u0439\u043d\u0435\u0440 \u043f\u0440\u043e\u0432\u0435\u0440\u0438\u0442, \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u043b\u0438 \u0443 \u043e\u0442\u043f\u0440\u0430\u0432\u0438\u0442\u0435\u043b\u044f \u0431\u0430\u043b\u0430\u043d\u0441\u0430 \u0434\u043b\u044f \u043e\u043f\u043b\u0430\u0442\u044b \u0442\u0435\u043a\u0443\u0449\u0435\u0439 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0414\u043b\u044f \u043a\u0440\u0430\u0442\u043a\u043e\u0441\u0442\u0438 \u043c\u044b \u043d\u0435 \u0432\u043a\u043b\u044e\u0447\u0438\u043b\u0438 \u044d\u0442\u0443 \u0444\u0443\u043d\u043a\u0446\u0438\u044e \u0432 \u0443\u0447\u0435\u0431\u043d\u0438\u043a.&nbsp;\u041f\u043e\u0441\u043b\u0435 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438 \u043c\u044b \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u043c \u0435\u0435 \u0432 \u0441\u043f\u0438\u0441\u043e\u043a&nbsp;<strong>Verified_transactions<\/strong>&nbsp;\u0432 \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u0435&nbsp;<strong>\u0431\u043b\u043e\u043a\u0430<\/strong>&nbsp;.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">block.verified_transactions.append (temp_transaction)\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041c\u044b \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0432\u0430\u0435\u043c \u0438\u043d\u0434\u0435\u043a\u0441 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0439 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438, \u0447\u0442\u043e\u0431\u044b \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u043c\u0430\u0439\u043d\u0435\u0440 \u043f\u043e\u0434\u043e\u0431\u0440\u0430\u043b \u043f\u043e\u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438 \u0432 \u043e\u0447\u0435\u0440\u0435\u0434\u0438.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">last_transaction_index += 1\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041c\u044b \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u043c \u0440\u043e\u0432\u043d\u043e \u0442\u0440\u0438 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438 \u0432 \u0431\u043b\u043e\u043a.&nbsp;\u041a\u0430\u043a \u0442\u043e\u043b\u044c\u043a\u043e \u044d\u0442\u043e \u0431\u0443\u0434\u0435\u0442 \u0441\u0434\u0435\u043b\u0430\u043d\u043e, \u043c\u044b \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u0443\u0435\u043c \u043e\u0441\u0442\u0430\u043b\u044c\u043d\u044b\u0435 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u0430 \u043a\u043b\u0430\u0441\u0441\u0430&nbsp;<strong>Block<\/strong>&nbsp;.&nbsp;\u0421\u043d\u0430\u0447\u0430\u043b\u0430 \u0434\u043e\u0431\u0430\u0432\u0438\u043c \u0445\u0435\u0448 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u0431\u043b\u043e\u043a\u0430.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">block.previous_block_hash = last_block_hash\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0414\u0430\u043b\u0435\u0435 \u043c\u044b \u0434\u043e\u0431\u044b\u0432\u0430\u0435\u043c \u0431\u043b\u043e\u043a \u0441 \u0443\u0440\u043e\u0432\u043d\u0435\u043c \u0441\u043b\u043e\u0436\u043d\u043e\u0441\u0442\u0438 2.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">block.Nonce = mine (block, 2)\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041e\u0431\u0440\u0430\u0442\u0438\u0442\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435, \u0447\u0442\u043e \u043f\u0435\u0440\u0432\u044b\u043c \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u043c \u0444\u0443\u043d\u043a\u0446\u0438\u0438&nbsp;<strong>mine<\/strong>&nbsp;\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0434\u0432\u043e\u0438\u0447\u043d\u044b\u0439 \u043e\u0431\u044a\u0435\u043a\u0442.&nbsp;\u0422\u0435\u043f\u0435\u0440\u044c \u043c\u044b \u0445\u044d\u0448\u0438\u0440\u0443\u0435\u043c \u0432\u0435\u0441\u044c \u0431\u043b\u043e\u043a \u0438 \u0441\u043e\u0437\u0434\u0430\u0435\u043c \u0434\u043b\u044f \u043d\u0435\u0433\u043e \u0434\u0430\u0439\u0434\u0436\u0435\u0441\u0442.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">digest = hash (block)\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041d\u0430\u043a\u043e\u043d\u0435\u0446, \u043c\u044b \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u043c \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u044b\u0439 \u0431\u043b\u043e\u043a \u0432 \u0446\u0435\u043f\u043e\u0447\u043a\u0443 \u0431\u043b\u043e\u043a\u043e\u0432 \u0438 \u043f\u043e\u0432\u0442\u043e\u0440\u043d\u043e \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u0443\u0435\u043c \u0433\u043b\u043e\u0431\u0430\u043b\u044c\u043d\u0443\u044e \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e&nbsp;<strong>last_block_hash<\/strong>&nbsp;\u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u043c \u0431\u043b\u043e\u043a\u0435.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412\u0435\u0441\u044c \u043a\u043e\u0434 \u0434\u043b\u044f \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0431\u043b\u043e\u043a\u0430 \u043f\u043e\u043a\u0430\u0437\u0430\u043d \u043d\u0438\u0436\u0435 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">block = Block()\nfor i in range(3):\n   temp_transaction = transactions[last_transaction_index]\n   # validate transaction\n   # if valid\n   block.verified_transactions.append (temp_transaction)\n   last_transaction_index += 1\n\nblock.previous_block_hash = last_block_hash\nblock.Nonce = mine (block, 2)\ndigest = hash (block)\nTPCoins.append (block)\nlast_block_hash = digest\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0431\u043e\u043b\u044c\u0448\u0435\u0433\u043e \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u0430 \u0431\u043b\u043e\u043a\u043e\u0432<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u0435\u043f\u0435\u0440\u044c \u043c\u044b \u0434\u043e\u0431\u0430\u0432\u0438\u043c \u0435\u0449\u0435 \u0434\u0432\u0430 \u0431\u043b\u043e\u043a\u0430 \u0432 \u043d\u0430\u0448\u0443 \u0446\u0435\u043f\u043e\u0447\u043a\u0443 \u0431\u043b\u043e\u043a\u043e\u0432.&nbsp;\u041a\u043e\u0434 \u0434\u043b\u044f \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0445 \u0434\u0432\u0443\u0445 \u0431\u043b\u043e\u043a\u043e\u0432 \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d \u043d\u0438\u0436\u0435 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"># Miner 2 adds a block\nblock = Block()\n\nfor i in range(3):\n   temp_transaction = transactions[last_transaction_index]\n   # validate transaction\n   # if valid\n   block.verified_transactions.append (temp_transaction)\n   last_transaction_index += 1\nblock.previous_block_hash = last_block_hash\nblock.Nonce = mine (block, 2)digest = hash (block)\nTPCoins.append (block)last_block_hash = digest\n# Miner 3 adds a block\nblock = Block()\n\nfor i in range(3):\n   temp_transaction = transactions[last_transaction_index]\n   #display_transaction (temp_transaction)\n   # validate transaction\n   # if valid\n   block.verified_transactions.append (temp_transaction)\n   last_transaction_index += 1\n\nblock.previous_block_hash = last_block_hash\nblock.Nonce = mine (block, 2)\ndigest = hash (block)\n\nTPCoins.append (block)\nlast_block_hash = digest<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041a\u043e\u0433\u0434\u0430 \u0432\u044b \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u0435 \u044d\u0442\u0438 \u0434\u0432\u0430 \u0431\u043b\u043e\u043a\u0430, \u0432\u044b \u0442\u0430\u043a\u0436\u0435 \u0443\u0432\u0438\u0434\u0438\u0442\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0438\u0442\u0435\u0440\u0430\u0446\u0438\u0439, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u043f\u043e\u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043b\u043e\u0441\u044c, \u0447\u0442\u043e\u0431\u044b \u043d\u0430\u0439\u0442\u0438 Nonce.&nbsp;\u041d\u0430 \u0434\u0430\u043d\u043d\u044b\u0439 \u043c\u043e\u043c\u0435\u043d\u0442 \u043d\u0430\u0448 \u0431\u043b\u043e\u043a\u0447\u0435\u0439\u043d \u0441\u043e\u0441\u0442\u043e\u0438\u0442 \u0438\u0437 4 \u0431\u043b\u043e\u043a\u043e\u0432, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u0431\u043b\u043e\u043a \u0433\u0435\u043d\u0435\u0437\u0438\u0441\u0430.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0421\u0431\u0440\u0430\u0441\u044b\u0432\u0430\u0435\u0442 \u0432\u0435\u0441\u044c \u0431\u043b\u043e\u043a\u0447\u0435\u0439\u043d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u043f\u0440\u043e\u0432\u0435\u0440\u0438\u0442\u044c \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u0432\u0441\u0435\u0439 \u0446\u0435\u043f\u043e\u0447\u043a\u0438 \u0431\u043b\u043e\u043a\u043e\u0432, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0443\u044e \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044e:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">dump_blockchain(TPCoins)<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u041a\u0430\u0436\u0434\u044b\u0439 \u043c\u0430\u0439\u043d\u0435\u0440 \u0437\u0430\u0431\u0438\u0440\u0430\u0435\u0442 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438 \u0438\u0437 \u0440\u0430\u043d\u0435\u0435 \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u043e\u0433\u043e \u043f\u0443\u043b\u0430 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0439.&nbsp;\u0427\u0442\u043e\u0431\u044b \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u0442\u044c \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0443\u0436\u0435 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u044b\u0445 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0439, \u043c\u044b \u0434\u043e\u043b\u0436\u043d\u044b \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u0433\u043b\u043e\u0431\u0430\u043b\u044c\u043d\u0443\u044e \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e \u2014 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[115],"tags":[],"class_list":["post-3597","page","type-page","status-publish","hentry","category-blockchain"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/pages\/3597","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/comments?post=3597"}],"version-history":[{"count":0,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/pages\/3597\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/media?parent=3597"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/categories?post=3597"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/tags?post=3597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}