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// exporting from a bs58 private key to an Uint8Array
// == from phantom private key to solana cli id.json key file
// npm install bs58 @solana/web3.js

const web3 = require("@solana/web3.js");
const bs58 = require('bs58');
let secretKey = bs58.decode("[base58 private key here]");
console.log(`[${web3.Keypair.fromSecretKey(secretKey).secretKey}]`);

// exporting back from Uint8Array to bs58 private key

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<script src="https://raw.github.com/bitwiseshiftleft/sjcl/master/sjcl.js"></script>
<script src="https://raw.github.com/bitwiseshiftleft/sjcl/master/core/bn.js"></script>
<script src="https://raw.github.com/bitwiseshiftleft/sjcl/master/core/ecc.js"></script>
<script>
// Overwrite NIST-P256 with secp256k1
sjcl.ecc.curves.c256 = new sjcl.ecc.curve(
  sjcl.bn.pseudoMersennePrime(256, [[0,-1],[4,-1],[6,-1],[7,-1],[8,-1],[9,-1],[32,-1]]),
  "0x14551231950b75fc4402da1722fc9baee",
  0,
  7,

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// SPDX-License-Identifier: MIT
// https://tornado.cash
/*
 * d888888P                                           dP              a88888b.                   dP
 *    88                                              88             d8'   `88                   88
 *    88    .d8888b. 88d888b. 88d888b. .d8888b. .d888b88 .d8888b.    88        .d8888b. .d8888b. 88d888b.
 *    88    88'  `88 88'  `88 88'  `88 88'  `88 88'  `88 88'  `88    88        88'  `88 Y8ooooo. 88'  `88
 *    88    88.  .88 88       88    88 88.  .88 88.  .88 88.  .88 dP Y8.   .88 88.  .88       88 88    88
 *    dP    `88888P' dP       dP    dP `88888P8 `88888P8 `88888P' 88  Y88888P' `88888P8 `88888P' dP    dP
 * ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo

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version: '2.2'
services:
  elasticsearch:
    image: docker.elastic.co/elasticsearch/elasticsearch:6.4.1
    container_name: elasticsearch
    environment:
      - cluster.name=docker-cluster
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:

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Go / C++ bindings example

This is an example of Go code calling to a C++ library with a C wrapper.

Build

go build  # this only ensures it compiles

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####
# пути к ключам будут вида /solana/validator-keypair.json
# а на хосте они будут лежать в папке /root/solana_blabla. например /root/solana_agx10k
####


#######################################dockerfile####
echo "export SOLANA_NAME=<имя>" | tee -a ~/.bashrc ### например AG
source ~/.bashrc
echo "export SOLANA_DIR=/root/solana_${SOLANA_NAME}" | tee -a ~/.bashrc

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Configuring IPv6 block from Online.net On Proxmox Host and Guests

Following the documentation on online.net would get IPv6 to work only in a simple system installation but won't get IPv6 to work with virtualization environment (Exp. Proxmox) as It's missing some IPv6 forwards and proxies on sysctl.conf.

On Proxmox Host (Or Debian if single Debian Installation)

Enable IPv6 on the System:

• Change Module Options to Enable IPv6:

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#!/bin/sh

cd $1

git filter-branch --commit-filter '

if [ "$GIT_COMMITTER_EMAIL" = "[email protected]" ]
then
git commit-tree -S "$@";
fi

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#!/usr/bin/env python2.7
# -*- coding: utf-8 -*-

import nacl.secret
import nacl.utils
import base64
from pyblake2 import blake2b
import getpass

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from ecdsa import SigningKey, SECP256k1
from sha3 import keccak_256
import click


@click.command()
@click.argument('count', type=click.types.IntRange(1, 1000), default=1)
def main(count):
    for i in range(count):
        priv, addr = generate_pair()