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73 lines
2.7 KiB
Markdown
73 lines
2.7 KiB
Markdown
# Prepare a remote node to accept the JoinMarket connection
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JoinMarket (running in JoinInBox) needs to connect to Bitcoin Core.
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A pruned node with the [**wallet enabled**](FAQ.md#activate-the-bitcoind-wallet-on-a-raspiblitz) will do and txindex is not required.
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This guide shows how to prepare a RaspiBlitz to accept this connection.
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## LAN connection
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### In the node terminal - allow remote RPC connections to Bitcoin Core
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This can be skipped if you [connect through Tor](#tor-connection))
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1) #### Edit the bitcoin.conf:
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`$ sudo nano /mnt/hdd/bitcoin/bitcoin.conf`
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Add the values:
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(edit to your local subnet - the first 3 numbes of the LAN IP address, example here: 192.168.1)
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(can keep the other `rpcallowip` and `rpcbind` entires especially for the localhost: 127.0.0.1)
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```
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rpcallowip=192.168.1.0/24
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rpcbind=0.0.0.0
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```
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2) #### Restart Bitcoin Core:
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`$ sudo systemctl restart bitcoind`
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3) #### The firewall needs to be opened to allow the RPC connection from LAN
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(edit to your local subnet):
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`sudo ufw allow from 192.168.1.0/24 to any port 8332`
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`ufw enable`
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### Take note of the `LAN_ADDRESS` of the remote node and fill it in to the `rpc_host` in `joinmarket.cfg`
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## Tor connection
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### On the node - activate Tor and create a Hidden Service
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Make sure that Tor is active in the SERVICES menu.
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#### Create a Hidden Service to forward the bitcoin RPC port
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On the RaspiBlitz since v1.4 there is a script to create a hidden service:
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`./config.scripts/internet.hiddenservice.sh bitcoinrpc 8332 8332`
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Alternatively proceed manually:
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1) #### Open the Tor configuration file:
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`$ sudo nano /etc/tor/torrc`
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2) #### Insert the lines:
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```bash
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# Hidden Service v3 for bitcoinrpc
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HiddenServiceDir /mnt/hdd/tor/bitcoinrpc
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HiddenServiceVersion 3
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HiddenServicePort 8332 127.0.0.1:8332
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```
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3) #### Restart Tor:
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`$ sudo systemctl restart tor`
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4) #### Take note of the `Tor_Hidden_Service.onion`:
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`$ sudo cat /mnt/hdd/tor/bitcoinrpc/hostname`
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5) #### Fill in the `Tor_Hidden_Service.onion` to the `rpc_host` in the `joinmarket.cfg`
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### Take note of the `Tor_Hidden_Service.onion` and fill in to the `rpc_host` in the `joinmarket.cfg`
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### Remember to use `torify` with the python scripts when connecting remotely through Tor.
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(Applied automatically in the JoininBox)
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Example:
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`torify wallet-tool.py wallet.jmdat`
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## Resources:
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* [JoinMarket on the RaspiBlitz guide](https://github.com/openoms/bitcoin-tutorials/blob/master/joinmarket/README.md)
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* [Connect JoinMarket running on a Linux desktop to a remote node](https://github.com/openoms/bitcoin-tutorials/blob/master/joinmarket/joinmarket_desktop_to_blitz.md)
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