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[package]
name = "websocket-demo"
version = "0.0.0"
edition = "2021"

[dependencies]
anyhow = "1"
futures = "0.3"
serde = { version = "1", features = ["derive"] }
serde_json = "1"

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{
  "apc.stylesheet": {
    ".editor-group-watermark > .letterpress": "background-image: url(https://raw.githubusercontent.com/Aikoyori/ProgrammingVTuberLogos/main/VSCode/VSCode.png) !important; width: unset !important; height: 250px; aspect-ratio: 16/9 !important; filter: drop-shadow(5px 5px 5px #222); margin-bottom: 2rem;"
  }
}

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How to spin up a local devnet

1. Compile CometBFT, i.e. the sequencing layer:

git clone https://github.com/cometbft/cometbft
cd cometbft
git checkout v0.38.10
make install

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module playground

go 1.21

require github.com/linxGnu/grocksdb v1.8.4

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Configure gpg signing (importing an existing private key):

git config --global user.name 'your-name'
git config --global user.email 'your-email'
git config --global user.signingkey 'your-gpg-pubkey'
git config --global commit.gpgsign true
git config --global --list

sudo apt install gpg

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CW-SDK's bank contract will manage both fungible and nonfungible tokens.

• Each fungible token is identified by a denom
• Each nonfungible token is identified by a tuple (denom, sequence) where sequence is a u64; the 1st token in the collection gets a sequence of 0, the 2nd gets 1, so on

An NFT collection cannot share the same denom with a fungible token.

struct Coin {
    pub denom:  String,

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{
  "genesis_time": "2023-05-23T00:00:00.000000Z",
  "chain_id": "dev-1",
  "initial_height": "1",
  "consensus_params": {
    "block": {
      "max_bytes": "22020096",
      "max_gas": "-1"
    },
    "evidence": {

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#!/bin/bash

# Some helper functions for working with cosmos-sdk txs from the command line or
# in bash scripts.
#
# Example: say, if you want to send coins to multiple recipients. We need to:
#
# - compose a tx containing multiple "send" messages
# - set an appropriate gas limit and fee amount
# - sign it

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# update ubuntu packages
sudo apt update && sudo apt upgrade -y && sudo apt autoremove -y

# update rust
rustup update && rustc -V

# update cargo global dependencies
# dependencies:
# sudo apt install build-essential libssl-dev wget pkg-config
cargo install cargo-update --bin cargo-install-update

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//! ```cargo
//! [dependencies]
//! chrono    = "0.4"
//! csv       = "1"
//! ethers    = "2"
//! reqwest   = { version = "0.11", features = ["json"] }
//! rustc-hex = "2"
//! serde     = "1"
//! thiserror = "1"
//! tokio     = { version = "1", features = ["full"] }