[root@localhost dragonchain-master]# python blockchain/transaction_svc.py transaction_svc.py --private-key sk.pem --public-key pk.pem
Traceback (most recent call last):
File "blockchain/transaction_svc.py", line 39, in <module>
import tornado
ImportError: No module named tornado
pip install tornado
---
http://www.cnblogs.com/mchina/archive/2012/06/06/2539003.html
https://yum.postgresql.org/repopackages.php#pg94
https://download.postgresql.org/pub/repos/yum/9.6/redhat/rhel-6-x86_64/pgdg-centos96-9.6-3.noarch.rpm
1060 yum install postgresql96-server
1061 yum install postgresql96-contrib
1062 psql
1063 /etc/rc.d/init.d/postgresql-9.6
1064 /etc/rc.d/init.d/postgresql-9.6 start
1065 /etc/rc.d/init.d/postgresql-9.6 initdb
---
openssl
http://blog.csdn.net/as3luyuan123/article/details/14406429
http://www.docin.com/p-670347159.html
openssl
ecparam -list_curves
---
1.Linux环境下
#su postgres
-bash-3.2$psql -U postgres
postgres=#alter user postgres with password 'new password';
postgres=#\q
SELECT rolname FROM pg_roles;
创建用户
grant all on all tables in schema schemaName to user; 给用户某个schema的所有权限
----
cd <Dragonchain Home>/sql
createuser blocky
createdb -O blocky blockchain
psql -U blocky -d blockchain -a -f depl.sql
http://blog.csdn.net/suirosu/article/details/39718013
http://www.cyberciti.biz/faq/psql-fatal-ident-authentication-failed-for-user/