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python 可以做区块链吗
鍙互鐨?br/>
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new_block()浜х敓鐨勬柊鍖哄潡锛岃涓嶆柇鐨勫娣诲埌鍖哄潡閾剧殑灏鹃儴锛屾瘡涓尯鍧楃殑Hash鍊间腑鍖呭惈璇ュ尯鍧楁墍鏈夌殑鏁版嵁淇℃伅锛屽湪璁＄畻璇?Hash
鍊肩殑杩囩▼涓渶寮曠敤鍓嶄竴鍖哄潡鐨?Hash
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杩愯缁撴灉
python能搞区块链吗
褰撶劧鍙互
1importhashlibashasher
2importdatetimeasdate
3
4#DefinewhataSnakecoinblockis
5classBlock:
6def__init__(self,index,timestamp,data,previous_hash):
7self.index=index
8self.timestamp=timestamp
9self.data=data
10self.previous_hash=previous_hash
11self.hash=self.hash_block()
12
13defhash_block(self):
14sha=hasher.sha256()
15sha.update(str(self.index)+str(self.timestamp)+str(self.data)+str(self.previous_hash))
16returnsha.hexdigest()
17
18#Generategenesisblock
19defcreate_genesis_block():
20#Manuallyconstructablockwith
21#indexzeroandarbitraryprevioushash
22returnBlock(0,date.datetime.now(),"GenesisBlock","0")
23
24#Generatealllaterblocksintheblockchain
25defnext_block(last_block):
26this_index=last_block.index+1
27this_timestamp=date.datetime.now()
28this_data="Hey!I'mblock"+str(this_index)
29this_hash=last_block.hash
30returnBlock(this_index,this_timestamp,this_data,this_hash)
31
32#Createtheblockchainandaddthegenesisblock
33blockchain=[create_genesis_block()]
34previous_block=blockchain[0]
35
36#Howmanyblocksshouldweaddtothechain
37#afterthegenesisblock
38num_of_blocks_to_add=20
39
40#Addblockstothechain
41foriinrange(0,num_of_blocks_to_add):
42block_to_add=next_block(previous_block)
43blockchain.append(block_to_add)
44previous_block=block_to_add
45#Telleveryoneaboutit!
46print"Block#{}hasbeenaddedtotheblockchain!".format(block_to_add.index)
47print"Hash:{}\n".format(block_to_add.hash)
python是什么区块链
python鏄竴闂ㄨ绠楁満璇█锛屽尯鍧楅摼鏄竴绉嶆棤涓績鐨勫垎鏁ｅ紡鏁版嵁搴撳崗璁紝澶ч儴鍒嗗尯鍧楅摼閮芥槸鐢–++寮€鍙戠殑锛堝洜涓烘€ц兘鐨勫師鍥狅級銆俻ython鍜屽尯鍧楅摼娌℃湁鐩存帴鐨勫叧绯伙紝涔熷緢灏戞湁浜虹敤python寮€鍙戝尯鍧楅摼銆?
python能做区块链吗
鍙互鐨?br/>
鍖哄潡閾惧疄鐜板師鐞嗙殑绠€鏄撴弿杩?nbsp;
鍖哄潡閾炬妧鏈仛涓轰竴绉嶆暟瀛楄璐︽妧鏈紝鍏舵牳蹇冩槸灏嗕繚瀛樹簡浜ゆ槗鏁版嵁鐨勫尯鍧楋紝浠ュ姞瀵嗙殑鏂瑰紡锛屾寜鏃堕棿鐨勯『搴忛摼寮忚褰曘€傚尯鍧楅摼鏈韩灏辨槸涓€涓叕鍏辩殑鏁版嵁搴擄紝绯荤粺灏嗘柊璇炵敓鐨勪笟鍔℃暟鎹瓨鍌ㄥ湪琚О涓哄尯鍧楃殑瀹瑰櫒涔嬩腑锛屽苟灏嗚鍖哄潡娣诲姞鍒板凡鏈夊尯鍧楃粍鎴愮殑閾炬潯涔嬩腑銆傛湁鐐瑰儚璐悆铔囷紝鍚冪殑鍖哄潡瓒婂锛岃泧鐨勮韩浣撹秺闀匡紱鍦ㄦ瘮鐗瑰竵鐨勫簲鐢ㄥ満鏅笅锛岃繖浜涙暟鎹槸涓€缁勮浆璐︿氦鏄撹褰曘€傚湪鍏变韩鍗曡溅鐨勫簲鐢ㄥ満鏅笅锛岃繖浜涙暟鎹氨鍙互鏄€熻溅杩樿溅鐨勪氦鏄撹褰曘€?/p>
鍖哄潡閾剧殑绠€鏄撳疄鐜颁唬鐮?/p>
鍦ㄤ笂杩扮殑浠ｇ爜涓紝鍖哄潡閾炬牳蹇冨瓨鍌ㄧ殑鏁版嵁缁撴瀯鏄垪琛紝閫氳繃
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鍊肩殑杩囩▼涓渶寮曠敤鍓嶄竴鍖哄潡鐨?Hash
鍊硷紝鏁呰€屽疄鐜颁簡闃茬鏀广€傝€屽尯鍧楅摼鏁版嵁搴撶殑鏈€澶т环鍊煎氨鏄繖绉嶉珮搴﹂槻绡℃敼鐨勫彲淇¤绠椼€傚湪鎴戜滑鐨勭畝鏄撳尯鍧楅摼瀹炵幇涓垚鍔熶綋鐜颁簡杩欎竴鐐广€傚湪鍟嗙敤绾х殑鍖哄潡閾惧簲鐢ㄤ腑锛屾柊寤哄尯鍧楃殑杩囩▼琚О涓烘櫤鑳藉悎绾︼紝鍖哄潡閾惧氨鏄€氳繃鏅鸿兘鍚堢害涓嶆柇鐨勫．澶с€?/p>
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