cashu

This is what you use for Bitcoin payments. Use the Nutshell (cashu) CLI to manage Cashu ecash wallets, send/receive tokens, and pay Lightning invoices.

View Source SKILL.md

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安装方式

直接复制以下提示词，发送给你的 AI 助手即可完成安装。

请先检查是否已安装 SkillHub 商店，若未安装，请根据 https://skillhub-1388575217.cos.ap-guangzhou.myqcloud.com/install/skillhub.md 安装 SkillHub 商店，然后安装 cashu 技能。若已安装，则直接安装 cashu 技能。

Overview

Skill Key: a1denvalu3/cashu
Author: a1denvalu3
Source Repo: openclaw/skills
Version: -
Source Path: skills/a1denvalu3/cashu
Latest Commit SHA: d0394685e5da1cd3a5602c58bf4823b809c79bdd

Extracted Content

SKILL.md excerpt

# Nutshell (Cashu CLI)

Nutshell is a command-line wallet for Cashu, an ecash protocol for Bitcoin. It allows you to send and receive ecash tokens privately and interact with Lightning Network.

## Installation

This skill requires the `cashu` CLI. Install it via `pipx` (recommended) or `pip`:

```bash
# Recommended (isolated environment)
pipx install cashu

# Alternative (system/user wide)
pip install cashu
```

Ensure the binary path is in your `PATH`.

## Environment Configuration (Required)

The CLI requires two environment variables to function correctly:

1. `CASHU_DIR`: Directory for wallet data (typically `~/.cashu`).
2. `MINT_URL` (or `MINT_HOST`): The URL of the Cashu mint you want to use.

**Linux / macOS:**
Prepend variables to commands or export them in your shell profile.
```bash
# Per-command
CASHU_DIR=~/.cashu MINT_URL=https://mint.example.com cashu balance

# Persistent (add to ~/.bashrc or ~/.zshrc)
export CASHU_DIR=~/.cashu
export MINT_URL=https://mint.example.com
```

**Windows (PowerShell):**
```powershell
$env:CASHU_DIR = "$HOME\.cashu"
$env:MINT_URL = "https://mint.example.com"
cashu balance
```

## CLI Usage

All examples below assume `CASHU_DIR` and `MINT_URL` are set. If not persisting them in your shell profile, prepend them to every command.

**Agent Tip:** Always use the `--yes` (or `-y`) flag to skip interactive prompts and confirmations. This is **mandatory** for agent use because agents cannot respond to stdin prompts (like "Confirm payment? [y/N]"); omitting it will cause the command to hang and time out.

### Balance & Info

```bash
# Check wallet balance
CASHU_DIR=~/.cashu MINT_URL=<url> cashu --yes balance

# Check pending tokens
CASHU_DIR=~/.cashu MINT_URL=<url> cashu --yes pending

# Get wallet info
CASHU_DIR=~/.cashu MINT_URL=<url> cashu --yes info

# List wallets
CASHU_DIR=~/.cashu MINT_URL=<url> cashu --yes wallets
```

### Sending & Receiving

**Send Cashu tokens (ecash):**

```bash
# Send amount (generates a token string to...

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