bitcoind搭建

https://degreesofzero.com/article/installing-bitcoind-on-ubuntu.html
1. sudo apt-get install python-software-properties

搭建过程中<如果>出现这个报错问题的话:E: Sub-process /usr/bin/dpkg returned an error code (1) ###解决如下
sudo mv /var/lib/dpkg/info /var/lib/dpkg/info_old
sudo mkdir /var/lib/dpkg/info
sudo apt-get update
apt-get -f install
sudo mv /var/lib/dpkg/info/* /var/lib/dpkg/info_old
sudo rm -rf /var/lib/dpkg/info
sudo mv /var/lib/dpkg/info_old /var/lib/dpkg/info

2. add-apt-repository ppa:bitcoin/bitcoin

3. apt-get update

4. apt-get install libboost-all-dev libdb4.8-dev libdb4.8++-dev

5.sudo apt–getinstall bitcoind

6. ln -s /usr/local/bin/bitcoind /usr/bin/bitcoind

7. cd ~/

8. mkdir .bitcoin

9. cd .bitcoin

10. vim bitcoin.conf ####在bitcoin.conf添加一下内容
server=1
daemon=1
testnet=1
rpcuser=administrator
rpcpassword=administrator

11. bitcoind ##启动命令 提示以下信息 则表示启动成功
Bitcoin server starting
12. bitcoin-cli getinfo ##会有如下信息
{
"version": 140200,
"protocolversion": 70015,
"walletversion": 130000,
"balance": 0.00000000,
"blocks": 125093,
"timeoffset": 0,
"connections": 8,
"proxy": "",
"difficulty": 4695.811349800574,
"testnet": true,
"keypoololdest": 1504929037,
"keypoolsize": 100,
"paytxfee": 0.00000000,
"relayfee": 0.00001000,
"errors": ""
}