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com.startup.sysctl.plist

As of at least macOS Catalina 10.15.3, /etc/sysctl.conf values are no longer respected and/or the file straight up doesn't exist (confirmed on macOS Monterey 12.4.)

Ran across a fio shm error: failed to setup shm segment while benchmarking SSDs. The fix was to set shmmni to 4096. The following has to happen:

• Disable SIP
  • Disclaimer from Apple

    Warning

    Disable SIP only temporarily to perform necessary tasks, and reenable it as soon as possible. Failure to reenable SIP when you are done testing leaves your computer vulnerable to malicious code.

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> It's strongly desired by some users to have a network-controlled best effort timestamp associated with the production time of each block. One such example is https://en.bitcoin.it/wiki/Block_timestamp
> 
> Some important properties of this timestamp are:
> 
> 1. Drift of no worse than a couple hours from the actual block production time
> 2. Replaying the ledger at a later time results in the same block production time
> 3. The block production time is not controlled by a single centralized oracle, but ideally is a function that uses inputs from all validators
> 
> A rough proposal would be to require validators to submit their current UTC time every N minutes. A median time is then constructed from the latest submission and block times are then computed as `last_median_time + slot_offset * 400ms` until the next median time is constructed.
> 

dtmrc

Change 1: Transaction Prioritization

• From v1.10.14 onwards, validators will try to consume transactions in order of priority which is based on the prioritization fee paid per compute unit.
• In order to optimize priority / fee paid, transaction should set its compute unit limit as low as possible because leftover compute units are not refunded.

Runtime Features

tx_wide_compute_cap (Implemented in v1.9.7, v1.10.0) (Activated on Devnet & Testnet)

• Updates compute unit limits to be transaction-wide rather than reset to 200k compute units per transaction instruction. Sets the maximum transaction compute unit limit to 1.4M compute units. The default compute unit limit is also set to 1.4M compute units to avoid breaking existing transactions which rely on consuming more than 200k compute units by spreading compute across multiple instructions.
• Adds the ComputeBudget::RequestUnits instruction which has two parameters:
  • Compute unit limit
  • Prioritization fee (lamports)

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dtmrc

// This is alpha code trying to replace a getProgramAccounts call with a Transaction Crawling algorithm to find all mints from a Metaplex Candy Machine.
// DISCLAIMER: Use at your own risk.
//
// This code was originally based on the code from @samuelvanderwaal in https://github.com/metaplex-foundation/get-collection/blob/39116b680301c23c91e3960578c4a37c1c8e07c3/get-collection-ts/index.ts
// The purpose of that code is different, but I learnt a lot from it.
//
// Also got some inspiration from @0xAlice's code in https://github.com/penta-fun/sol-nft-tools/blob/8931ae422fa47b79008d57b01a30aeefd97b8cb6/util/get-nft-mints.ts

import { ConfirmedSignatureInfo, Connection, PublicKey } from "@solana/web3.js";
import { programs } from "@metaplex/js";

dtmrc

[
  "ASUEz4iKcLErm9BjEbAtT8m9FL7JdaqsbTEdqA1S6yqV",
  "FpDfucNwbNLGPi45YXZo1nSW2cdPQ4pSmtucAxUqYWPW",
  "4zza3HrGVfxudGrGWWsgpEd5ep3PvFqvGtzV8gtF6ktm",
  "AbuyMoWopZF4CUo5ruJaPyW6rF9tV4uYFsTw2KkDeL2r",
  "DonU5zbcYuJEBgaGqTe7cDGFJYMTXPxkVFgZ6QGumjA2",
  "4xibjS8qFvdRRZJLdyAqcDbCFBSoo8ugEP2ziaNweryw",
  "B7MUYS4DGvYFUs5ttBCtvsGsrJB2m5QmTPyHJqFKr7an",
  "3e2hMxheEvAsiqREXrHxsrSumGREcktqVELso7BNgZ91",
  "6wsjTLoxhzUB4rRALgKZPxb9V42nFZn6hYL71Bmin66D",

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"RT @ramiberlin: @martinsweeney00 @xrpstik @Tyga @LilTunechi @DrakeBell @Drake @Bitboy_Crypto @HM_Ericsson #xSTIK no1 voted #NFT Project on\u2026"
"RT @ramiberlin: @xDREAMS_NFT @stormpopz @xrpstik #xSTIK no1 voted #NFT Project on #XRPL\n#NFTs  #NFTGiveaway #NFTCommunity #nftart #NFTartis\u2026"
"RT @ramiberlin: @martinsweeney00 @xrpstik @Tyga @LilTunechi @DrakeBell @Drake @Bitboy_Crypto @HM_Ericsson #xSTIK no1 voted #NFT Project on\u2026"
"RT @ramiberlin: @xDREAMS_NFT @stormpopz @xrpstik #xSTIK no1 voted #NFT Project on #XRPL\n#NFTs  #NFTGiveaway #NFTCommunity #nftart #NFTartis\u2026"
"@xDREAMS_NFT @stormpopz @xrpstik #xSTIK no1 voted #NFT Project on #XRPL\n#NFTs  #NFTGiveaway #NFTCommunity #nftart #NFTartist #NFTdrop #crypto #cryptocurrency #Bitcoin #ETH #Ethereum #GameFi #gaming #opensea #OpenSeaNFT #invest #blockchain @xrpstik #MONEY @XLS20Art #XRP #XRPLcommunity #XRPArmy #XRPLedger https://t.co/AqjtPtFs6H"
"RT @CryptoAsAWay: Play #pump for me ... several hours I need :P\n\n#crypto #cryptocurrency #blockch

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/**
 * @file Fetch data from Magic Eden Rpc without getting cloudflare captchas
 * @author Pieter Spruijt <pieter@spruijtstudios.com>
 */


/*
    First install the package
    npm install cloudscraper
*/

dtmrc

MagicEden.io Public API

https://api.magiceden.dev/

MagicEden Smart Contract v1

MagicEden Smart Contract v2

MagicEden.io RPC

dtmrc

// An example script consuming an API with various throttling and 429 error
// handling strategies.
//
// Blog post with more context
// https://www.useanvil.com/blog/2021-03-29-throttling-and-consuming-apis-with-429-rate-limits
//
// License: MIT

import fetch from 'node-fetch'
import mapLimit from 'async/mapLimit'