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@opzlab/library

v1.6.12

Published

Congrats! You just saved yourself hours of work by bootstrapping this project with TSDX. Let’s get you oriented with what’s here and how to use it.

Downloads

35

Readme

opzlab/library

Documents

logger

function info(...args: any[])
function warn(...args: any[])
function error(...args: any[])
function log(...args: any[])

jsonfiles

set default caches_folder in the environment file '.env'

CACHES_FOLDER = 'caches'
const networks
const objectTemplate
const arrayTemplate

async function loadJson(template: any, filename: string)
async function storeJson(JsonObject: any, filename: string)
async function renameJson(srcfile: string, dscfile: string)
async function removeJson(filenames: string[])

dotenv

async function updateEnvVariable(key: string, value: any)
async function verifyEnvPath()

Use verifyEnvPath to add default '.env' as follows

SHUTDOWNTIMEOUT = 5000
AZURE_STORAGE_CONNECTION_STRING = "DefaultEndpointsProtocol=https;AccountName=opzlife;AccountKey=LOdony4b3rontTCRXyPh6Gna5aJhelonGSWitbbd3+8kSBe46ZAEbn2lL9Xsw3IwA5f/0xS3XhJp+AStUVBkxA==;EndpointSuffix=core.windows.net"
CACHES_FOLDER = caches

POSTGRES_USER= dev
POSTGRES_PASSWORD = dev
POSTGRES_DB = workermainnet
SERVER_PORT = 5432

AZ_CONTAINER = opzlab

storage

set default caches_folder in the environment file '.env'

AZURE_STORAGE_CONNECTION_STRING = "Def..."
AZ_CONTAINER = opzlab
class datastore {
    async removeFolder(){}
    async removeContainer(){}
    async block_push(files: string[]){}
    async block_pull(files: string[]){}
}

postgresql

connections there are 2 connections for [0] default postgres [1] current as '.env'

type connection = {
    name:string,
    db:any
}

const connections:connection[] =[2]

install

async function installPostgreSqlIfNotExist()
async function uninstallPostgreSQLUbuntu()

user

async function userCreate(username: string, passwd: string)
async function userDrop(userName: string)
async function userIsExist(username: string)
async function userArray()

database

async function dbCreate(dbname: string)
async function dbDrop(dbName: string)
async function dbIsExist(dbname: string)
async function dbNameArray()
async function dbGrantToUser(dbname: string, username: string)
async function dbRevokeToUser(dbname: string, username: string)
async function dbGrantee()

table

async function tableCommand(sqlcommand:string)
async function tableList()
async function tableDrop(tableName: string)
async function tableDetail(tableName: string)
async function tableRecords(tableName:string,offset:number,limit:number)
async function tableRecordsbyId(tableName:string,orderby:string,offset:number,limit:number)

block

async function createBlockTable()
async function insertBlock(model: Block)
async function updateBlock(model: Block)
async function deleteBlock(id: number)
async function detailBlockTable(tableName: string)

sample of use

const logger = require('@opzlab/library')
const {networks,objectTemplate,arrayTemplate,loadJson,storeJson} = require('@opzlab/library')
logger.info('Current working directory:', process.cwd())

console.log(networks)
console.log(objectTemplate)
console.log(arrayTemplate)

loadJson(arrayTemplate,'testfile').then((d)=>{
    logger.info(d)
    storeJson(d,'test2')
});

install prostgresql

sudo apt update
sudo apt install postgresql postgresql-contrib
psql --version
sudo service postgresql start
service postgresql status
```
start as 'postgres' and create password for postgres = 'password'
```
sudo -u postgres psql
postgres=# ALTER USER postgres PASSWORD 'password';
postgres=# \q
```
list all users and role
```
postgres=# \du
postgres=# \q
```
try create user name $USER
```
postgres=# CREATE ROLE chaiya LOGIN SUPERUSER CREATEDB CREATEROLE REPLICATION BYPASSRLS PASSWORD 'password';
postgres=# \du
postgres=# DROP ROLE chaiya;
postgres=# \du
postgres=# \q
sudo -u postgres psql -c "CREATE USER admin WITH PASSWORD 'password';"
```

# sample
```
cd ~
sudo -u postgres createdb workermainnet
cd ~
sudo -u postgres psql -c "CREATE USER dev WITH PASSWORD 'dev';"
cd ~
sudo -u postgres psql -c "grant all privileges on database workermainnet to dev;"
```