以太坊geth私链安装配置详细步骤.pdf

以太坊 geth 私链安装配置详细步骤

编程老兵

近期在学习以太坊相关的知识，发现网上的内容由于版本和其它原因，很

多都是有问题的，到处都是坑，我根据自己的实践总结了本文，希望给相关的

5) nodejs 版本：v8.11.3

1. geth 安装配置

安装可以参考官方文档：https://github.com/ethereum/go-

ethereum/wiki/Installation-Instructions-for-Ubuntu

安装步骤如下：

1) sudo apt-get install software-properties-common

2) sudo add-apt-repository -y ppa:ethereum/ethereum

2. 创建 geth 私链

2.1. 创世块文件

创建私链需要定义创世块文件，这个文件用来创建区块链的创世区块。本文创

世块文件 mygenesis.json 如下：

mygenesis.json

{

"config": {

"chainId": 168,

"homesteadBlock": 0,

"0x54686973206973206d7920666972737420457468657265756d20426c6f636b6368

61696e21",

"gasLimit" : "0xffffffff",

"nonce" : "0x0000000000000042",

"mixhash" :

"0x0000000000000000000000000000000000000000000000000000000000000000",

"parentHash" :

"0x0000000000000000000000000000000000000000000000000000000000000000",

"timestamp" : "0x00",

"alloc": { }

}

具体内容说明可以参考百度其它文章，本文不在赘叙。

{

"config": {

"chainId": 168,

"homesteadBlock": 0,

"eip155Block": 0,

"eip158Block": 0

},

"coinbase" : "0x0000000000000000000000000000000000000000",

"difficulty" : "0x4000",

"extraData" :

"0x54686973206973206d7920666972737420457468657265756d20426c6f636b6368

61696e21",

"gasLimit" : "0xffffffff",

"nonce" : "0x0000000000000042",

"mixhash" :

"0x0000000000000000000000000000000000000000000000000000000000000000",

t1@s1:~/ethereum$ geth --datadir "./myblockchain" init

mygenesis.json

WARN [07-26|19:06:57.512] Sanitizing cache to Go's GC limits

provided=1024 updated=664

INFO [07-26|19:06:57.548] Maximum peer count

ETH=25 LES=0 total=25

INFO [07-26|19:06:57.597] Allocated cache and file handles