下载geth客户端

1. 直接去官网下载Go Ethereum
2. geth 可执行文件移动到/usr/local/bin
3. 创建文件夹 xxx/local_ethereum_blockchain
4. 创建genesis.json文件

5. {
     "config": {
       "chainId": 1111111,
       "homesteadBlock": 0,
       "eip150Block": 0,
       "eip150Hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
       "eip155Block": 0,
       "eip158Block": 0,
       "byzantiumBlock": 0,
       "constantinopleBlock": 0,
       "petersburgBlock": 0,
       "istanbulBlock": 0,
       "ethash": {}
     },
     "nonce": "0x0",
     "timestamp": "0x5ddf8f3e",
     "extraData": "0x0000000000000000000000000000000000000000000000000000000000000000",
     "gasLimit": "0x47b760",
     "difficulty": "0x00002",
     "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
     "coinbase": "0x0000000000000000000000000000000000000000",
     "alloc": {},
     "number": "0x0",
     "gasUsed": "0x0",
     "parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000"
   }
   

6. 初始化节点 geth --datadir xxx/local_ethereum_blockchain/node init dcpc/local_ethereum_blockchain/genesis.json
7. 启动创始节点 nohup geth --datadir xxx/local_ethereum_blockchain/node --nodiscover --maxpeers 2000 --ws --ws.addr 0.0.0.0 --ws.port 9900 --ws.api db,eth,net,web3 --http --http.port 8080 --http.addr 0.0.0.0 --http.corsdomain * --port 8000 --http.api db,eth,net,web3 --networkid 1369 --allow-insecure-unlock &  
8. 进入客户端 geth attach xxx/local_ethereum_blockchain/node/geth.ipc
9. 得到初始节点信息  admin.nodeInfo
10. 创建账号

         personal.newAccount()   

        Passphrase: 输入账号密码

        Repeat passphrase: 再次输入账号密码

        //挖矿

        miner.start(1)

1. 启动其他的节点 nohup geth --datadir xxx/local_ethereum_blockchain/node --nodiscover --networkid 1369 --port 8000 &
2. //链接节点 需要填初始节点信息                                   admin.addPeer("enode://b7b65c949b51491c204dd8d62889b991c70940636717cf733482373a017e94167283cd2215357d0f5a3adfb77f48b9634f45022ba9ec07cfa68f0ec87c600d18@127.0.0.1:8000?discport=0")
3. 转帐      eth.sendTransaction({from:eth.accounts[0],to:"xxxxxx", value: web3.toWei(3, "ether")})

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