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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

3

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;"
```