---
# System prepended metadata

title: Play-Ground with my testnet node
tags: [talleres_mln, taller_practico]

---

 
# Exercises

## Funding

1. Fund each node's wallet with at least 20,000 sats.
Use these faucets or receive transactions from students who have enough funds:
https://bitcoinfaucet.uo1.net
https://testnet-faucet.com/btc-testnet/
## Channel Creation
2. Create 20,000-sat channels among group members who have a node, like this: Alice -> Bob -> Carol

3. And watch the node logs to see how the channel creation messages are sent between the nodes.
 
4. Generate 100-sat invoices from one node for payment by another node, and observe the node logs.
 
## Channel Closure 
5. Channel Closure by Alice, including Collaborative.
6. Channel Closure by Carol, Force Closure.


## Supporting documentation


[Core Lightning documentation](https://docs.corelightning.org/reference/lightning-newaddr)



### Commands used

#### funding channel

```
lightning-cli newaddr
lightning-cli listfunds
```

#### channel creation
```
lightning-cli connect
lightning-cli fundchannel
```

#### invoices
```
lightning-cli invoice
lightning-cli pay
```

#### channel closures
`lightning-cli close`