目录
环境
- 腾讯云服务器 - linux - ubuntu - 20.04
- 更新系统
- $ apt update && apt upgrade -y
- 更新系统
- 安装geth
- 查看geth版本命令:
- $ geth version
- linux / ubuntu:
- $ add-apt-repository -y ppa:ethereum/ethereum
- $ apt update
- $ apt install ethereum -y
- geth版本:1.10.15-stable
- win :
- 点击下载
- 在链接中点击win版本下载安装即可。
- 查看geth版本命令:
- go (本文暂不需要用到)
- 版本:1.17.5 linux/amd64
- 查看go版本命令:$go version
注:
- 前置"$"的命令表示是在控制台里的命令
- 前置"/>"的命令表示在geth内的命令
私链搭建
- 创建一个geth数据的存放目录
- $ mkdir rungeth
- 进入这个目录
- $ cd rungeth
- 用geth命令创建一个账户
- 在当前目录下创建文件夹data
- $ sudo mkdir data
- 创建账户
- $ sudo geth --datadir ./data account new
- 按照控制台的提示输入两次要给这个账户设置的密码
- 在当前目录下创建文件夹data
- 准备创世块文件 genesis.json 和 启动脚本文件 rungeth.sh
- genesis.json
- $ sudo vi genesis.json
- 然后把下面的内容复制进去
{
"config":{
"chainId":7,
"homesteadBlock":0,
"eip150Block":0,
"eip155Block":0,
"eip158Block":0,
"byzantiumBlock":0,
"constantinopleBlock":0,
"petersburgBlock":0,
"istanbulBlock":0,
"ethhash":{}
},
"alloc":{},
"coinbase":"0x0000000000000000000000000000000000000000",
"difficulty":"0x2",
"extraData":"",
"gasLimit":"0xffffffff",
"nonce":"0x0000000000000042",
"mixhash":"0x0000000000000000000000000000000000000000000000000000000000000000", "parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000",
"timestamp":"0x00"
}
- rungeth.sh
- $ sudo vi rungeth.sh
- 然后把下面的内容复制进去
geth --datadir ./data --networkid 7 --http --http.addr 0.0.0.0 --http.vhosts "*" --http.api "admin,debug,web3,eth,txpool,personal,ethash,miner,net" --http.corsdomain "*" --snapshot --mine --miner.threads 1 --allow-insecure-unlock console 2> 1.log
- 以上两个文件的中的参数说明见
- 初始化
- $ sudo geth --datadir ./data init ./genesis.json
- 执行成功则不会有Fatal报错,例如我的执行成功后只有一个警告
INFO [01-15|10:34:55.186] Maximum peer count ETH=50 LES=0 total=50
INFO [01-15|10:34:55.186] Smartcard socket not found, disabling err="stat /run/pcscd/pcscd.comm: no such file or directory"
WARN [01-15|10:34:55.188] Sanitizing cache to Go's GC limits provided=1024 updated=611
INFO [01-15|10:34:55.188] Set global gas cap cap=50,000,000
INFO [01-15|10:34:55.188] Allocated cache and file handles database=/home/ubuntu/eth/rungeth/data/geth/chaindata cache=16.00MiB handles=16
INFO [01-15|10:34:55.213] Writing custom genesis block
INFO [01-15|10:34:55.217] Persisted trie from memory database nodes=1 size=149.00B time="45.27µs" gcnodes=0 gcsize=0.00B gctime=0s livenodes=1 livesize=0.00B
INFO [01-15|10:34:55.218] Successfully wrote genesis state database=chaindata hash=6ef04e..bd9488
INFO [01-15|10:34:55.218] Allocated cache and file handles database=/home/ubuntu/eth/rungeth/data/geth/lightchaindata cache=16.00MiB handles=16
INFO [01-15|10:34:55.231] Writing custom genesis block
INFO [01-15|10:34:55.232] Persisted trie from memory database nodes=1 size=149.00B time="40.785µs" gcnodes=0 gcsize=0.00B gctime=0s livenodes=1 livesize=0.00B
INFO [01-15|10:34:55.232] Successfully wrote genesis state database=lightchaindata hash=6ef04e..bd9488
- 启动
- $ sudo ./rungeth.sh
- 启动后可以查看日志文件1.log, 或是控制台一直死循环输出"look for..."则说明创世块文件有问题,得重新搞一个。
- 如果创世块文件内的参数和启动命令的参数有一些不兼容也会导致启动失败出现fatal错误提示。
- 初次启动后得等一段时间才会开始挖矿,挖矿后才能部署合约,执行等等的操作。如果账户余额在增加就说明已经在挖矿了。
使用remix远程连接私链并部署合约
- 注意云服务器需要防火墙放行8545端口(远程连接以太坊端口)
- 打开remix网页版(打不开请挂梯子)
- 部署合约
- 选择环境
- 选择web3提供器
- 然后在网址栏输入私链地址http//127.0.0.1:8545
- 私链在本地则输入为127.0.0.1,如果在服务器上,请输入服务器公网ip
- 后面的端口8545是geth的默认连接端口,如果没有修改过则为8545,有的话请看运行geth时的命令参数 --port
- 然后即可想使用测试网络时一样的编译部署即可。
- 选择环境
操作命令
- 列出所有账户
- />eth.accounts
- 解锁账户
- 如果要使用此账户转账或执行合约,则需要先给他解锁
- 语法1:
- />personal.unlockAccount(要解锁的账户, "密码", 解锁时间)
- 示例:
- />personal.unlockAccount(eth.accounts[0], ’123456‘, 100000)
- 语法2:
- />personal.unlockAccount(eth.accounts[0])
- 这时控制台会询问你的密码,这样解锁显然好处是密码不会外显在控制台,但不能指定解锁时间,默认解锁时间为300
- 查看余额
- />eth.getBalance(eth.accounts[0])
- 开始挖矿
- />miner.start()
- geth启动时,会自动启动挖矿,这时执行miner.start()则会返回null。
- 停止挖矿
- />miner.stop()
- 转账
- />eth.sendTransaction({from:user1, to:user2, value:web3.toWei(1, "ether")})
- 设置账户别名,方便命令输入
- />user1 = eth.accounts[0]
- 创建账户
- />personal.newAccount('密码')
- 设置挖矿账户
- />miner.setEtherbase(eth.accounts[0])
- 查看挖矿账户
- />eth.coinbase
- 查看区块高度
- />eth.blockNumber
- geth远程连接私链
- geth attach http://ip:8545
- ip即为私链所在的服务器ip,如果是本地则为localhost
- 本地:http://localhost:8545
- 远程连接(举例ip为:100.10.1.0):http://100.10.1.0:8545
常见问题
- Remix连接不了服务器的geth?
- 检查服务器的防火墙是否放行8545端口。
- 检查浏览器的地址栏Remix是不是用了https,如果是,改成http。
- 运行时错误提示:rpc未定义?
- 目前geth要用http参数代替rpc参数,故请使用前面的rungeth.sh去执行
- Returned error: authentication needed: password or unlock
- 需要先解锁账户
- 解锁命令见"操作命令"中的"解锁账户"
- Status not available at the moment
- 部署合约后,合约的status是上面的信息
- 这是由于创世块文件中没有添加拜占庭和君士坦丁堡硬分叉语句导致的
- 在创世块文件中添加下面两句,或使用"搭建私链"中的genesis.json文件
"byzantiumBlock":0,
"constantinopleBlock":0,
- Returned error: invalid opcode: SHR
- 合约执行时提示错误
- 请查看部署合约时,是否有上一个错误"Status not available at the moment",有则解决上个错误即可。
- Fatal: Failed to write genesis block: database already contains an incompatible genesis block
- 这是因为已经存在数据库了,不要重复去初始化创世块
- 解决方法
- 清空数据库
- $geth removedb
- 然后就可以执行初始化创世块了
- 如果还不行:
- 则进入我们一开始创建的data目录
- 删除里面的geth目录:# rm -rf geth
https://mexicoph24.life/# mexican online pharmacies prescription drugs
PBN sites
We create a web of self-owned blog network sites!
Merits of our privately-owned blog network:
WE DO everything SO THAT GOOGLE doesn’t grasp THAT this is A privately-owned blog network!!!
1- We buy domain names from separate registrars
2- The main site is hosted on a virtual private server (VPS is fast hosting)
3- The remaining sites are on distinct hostings
4- We designate a individual Google account to each site with confirmation in Google Search Console.
5- We develop websites on WP, we do not use plugins with the help of which malware penetrate and through which pages on your websites are established.
6- We refrain from duplicate templates and utilize only exclusive text and pictures
We don’t work with website design; the client, if desired, can then edit the websites to suit his wishes
pharmacies in mexico that ship to usa Mexican Pharmacy Online mexican online pharmacies prescription drugs
https://mexicoph24.life/# medication from mexico pharmacy
buying from online mexican pharmacy: cheapest mexico drugs – mexican online pharmacies prescription drugs
я уже смотрел обзор здесь https://my-obzor.com/ перед тем, как сделать заказ. Не сказать, что все отзывы были 100% положительные, там уже упоминались основные минусы и плюсы.
PBN sites
We will build a web of PBN sites!
Pros of our private blog network:
We execute everything SO THAT google doesn’t understand that this is A privately-owned blog network!!!
1- We buy domain names from different registrars
2- The primary site is hosted on a VPS server (Virtual Private Server is rapid hosting)
3- Other sites are on separate hostings
4- We assign a individual Google profile to each site with verification in Search Console.
5- We design websites on WordPress, we don’t utilize plugins with the help of which Trojans penetrate and through which pages on your websites are created.
6- We do not repeat templates and utilise only exclusive text and pictures
We refrain from work with website design; the client, if desired, can then edit the websites to suit his wishes
https://indiaph24.store/# pharmacy website india
casino tr?c tuy?n vi?t nam game c? b?c online uy tin casino online uy tin
https://casinvietnam.shop/# casino online uy tin
casino tr?c tuy?n uy tín: casino online uy tín – casino tr?c tuy?n vi?t nam
https://casinvietnam.shop/# casino tr?c tuy?n vi?t nam
casino online uy tin casino tr?c tuy?n vi?t nam casino tr?c tuy?n
casino tr?c tuy?n vi?t nam: casino online uy tín – casino tr?c tuy?n vi?t nam
https://petroyalportrait.com/
https://casinvietnam.com/# casino tr?c tuy?n vi?t nam
https://casinvietnam.com/# casino tr?c tuy?n uy tin
casino tr?c tuy?n vi?t nam: web c? b?c online uy tín – game c? b?c online uy tín
game c? b?c online uy tin danh bai tr?c tuy?n casino tr?c tuy?n vi?t nam
https://casinvietnam.shop/# casino tr?c tuy?n uy tin
game c? b?c online uy tín: casino tr?c tuy?n vi?t nam – web c? b?c online uy tín
http://casinvietnam.com/# danh bai tr?c tuy?n
casino tr?c tuy?n vi?t nam casino tr?c tuy?n vi?t nam choi casino tr?c tuy?n tren di?n tho?i
http://casinvietnam.shop/# danh bai tr?c tuy?n
casino tr?c tuy?n uy tín: game c? b?c online uy tín – choi casino tr?c tuy?n trên di?n tho?i
casino tr?c tuy?n casino tr?c tuy?n web c? b?c online uy tin
https://casinvietnam.shop/# danh bai tr?c tuy?n
casino online uy tín: dánh bài tr?c tuy?n – choi casino tr?c tuy?n trên di?n tho?i
http://casinvietnam.com/# casino tr?c tuy?n vi?t nam
PBN sites
We shall establish a system of PBN sites!
Merits of our PBN network:
We perform everything SO THAT Google doesn’t comprehend that THIS IS A privately-owned blog network!!!
1- We purchase web domains from distinct registrars
2- The principal site is hosted on a VPS server (Virtual Private Server is fast hosting)
3- The rest of the sites are on separate hostings
4- We designate a distinct Google profile to each site with confirmation in Search Console.
5- We create websites on WP, we don’t use plugins with aided by which Trojans penetrate and through which pages on your websites are generated.
6- We refrain from duplicate templates and employ only unique text and pictures
We do not work with website design; the client, if wished, can then edit the websites to suit his wishes
casino tr?c tuy?n: web c? b?c online uy tín – web c? b?c online uy tín
casino tr?c tuy?n uy tin casino tr?c tuy?n uy tin danh bai tr?c tuy?n
https://casinvietnam.com/# casino tr?c tuy?n vi?t nam
casino tr?c tuy?n vi?t nam: casino tr?c tuy?n uy tín – choi casino tr?c tuy?n trên di?n tho?i
dánh bài tr?c tuy?n: casino tr?c tuy?n vi?t nam – dánh bài tr?c tuy?n
http://casinvietnam.com/# game c? b?c online uy tin
casino tr?c tuy?n vi?t nam: casino online uy tín – dánh bài tr?c tuy?n
https://casinvietnam.com/# web c? b?c online uy tin
casino tr?c tuy?n uy tín: web c? b?c online uy tín – game c? b?c online uy tín
https://casinvietnam.shop/# casino tr?c tuy?n vi?t nam
web c? b?c online uy tín: casino tr?c tuy?n – dánh bài tr?c tuy?n
https://casinvietnam.com/# danh bai tr?c tuy?n
casino online uy tín: casino tr?c tuy?n uy tín – casino tr?c tuy?n vi?t nam
Сегодня, когда аттестат – это начало успешной карьеры в любом направлении, многие ищут максимально быстрый и простой путь получения образования. Необходимость наличия документа об образовании переоценить невозможно. Ведь диплом открывает двери перед всеми, кто собирается вступить в сообщество профессионалов или учиться в любом институте.
Предлагаем оперативно получить этот важный документ. Вы сможете приобрести аттестат нового или старого образца, и это будет отличным решением для человека, который не смог закончить обучение или утратил документ. Аттестат изготавливается с особой тщательностью, вниманием ко всем элементам, чтобы на выходе получился документ, 100% соответствующий оригиналу.
Преимущества этого решения состоят не только в том, что можно максимально быстро получить свой аттестат. Весь процесс организован просто и легко, с нашей поддержкой. От выбора необходимого образца документа до правильного заполнения личной информации и доставки по России — все будет находиться под полным контролем наших специалистов.
Для всех, кто ищет максимально быстрый способ получить необходимый документ, наша компания предлагает отличное решение. Заказать аттестат – значит избежать продолжительного обучения и не теряя времени перейти к своим целям, будь то поступление в ВУЗ или начало успешной карьеры.
http://prema-attestats.ru/ – купить аттестат классов
casino online uy tín: casino tr?c tuy?n uy tín – casino online uy tín
Hi there, I’m submitting my blog post for your review and approval. Appreciate your help.
Hello! I could have sworn I’ve been to this blog before but after browsing through some of the post I realized it’s new to me.
Sosyal Mavi, sosyal medya stratejinizi güçlendirmenin en akıllıca yolu! Şimdi keşfedin ve takipçi sayınızı artırın.
https://casinvietnam.shop/# casino tr?c tuy?n
Hi there, I’m submitting my blog post for your review and approval. Appreciate your assistance.