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如何搭建以太坊私有链并且创建智能合约
简介安装钱包和GETH
安装
安装钱包和GETH
准备创世块文件
如下: ` { "config": { "chainId": 15, "homesteadBlock": 0, "eip155Block": 0, "eip158Block": 0 }, "coinbase" : "0x0000000000000000000000000000000000000000", "difficulty" : "0x40000", "extraData" : "", "gasLimit" : "0xffffffff", "nonce" : "0x0000000000000042", "mixhash" : "0x0000000000000000000000000000000000000000000000000000000000000000", "parentHash" : "0x00000000000000000000000000000000000000000000000000000000000000