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Ramesh Nair hiddentao

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hiddentao / JustGive.sol
Created June 13, 2017 15:38
A crowd-funded donation wallet with a minimum cap. All ETH is returned to contributors if minimum cap not reached. All funding passed onto payee. Multiple authorizers allowed.
pragma solidity ^0.4.10;
contract SimpleAccessControl {
address public creator;
mapping authorized(address => bool);
function AccessControl () {
creator = msg.sender;
}
@hiddentao
hiddentao / RoleBasedAcl.sol
Last active March 10, 2020 03:27
Ethereum solidity contract for role-based access control
pragma solidity ^0.4.10;
contract RoleBasedAcl {
address creator;
mapping(address => mapping(string => bool)) roles;
function RoleBasedAcl () {
creator = msg.sender;
}
@hiddentao
hiddentao / Verifying my Peepeth
Created October 20, 2018 00:48
Verifying my identity on Peepeth.com 0xb1b6e377aa6ec6928a1d499ae58483b2b99658ec
@hiddentao
hiddentao / script.sql
Last active June 14, 2020 20:50
Create read-only user for specific Postgres db
create user user_name with encrypted password '...';
grant connect on database "db-name" TO user_name;
grant usage on schema public to user_name;
grant select on all tables in schema public to user_name;
alter default privileges in schema public grant select on tables to user_name;
@hiddentao
hiddentao / docker-cheatsheat.md
Created July 7, 2020 16:07
Docker CLI cheatsheat (OS X)

Other docker commands

To delete the container:

docker rm --force <container name>

To delete the image:

@hiddentao
hiddentao / instructions.md
Last active July 21, 2020 07:27
Securing your Elrond validator + Netdata service behind nginx with self-signed SSL certificate on Ubuntu

Securing your Elrond validator + Netdata service behind nginx with self-signed SSL certificate on Ubuntu

Doing the following will ensure access to your node server is protected behind the firewall with the following URLs available:

  • https://<server ip>/node/* - you should see JSON output showing node stats (replace * with status, statistics, etc, see full list)
  • https://<server ip>/netdata - you will be prompted for the username and password you setup below, following which you should see your netdata dashboard

How to do it

Setup the firewall: