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joinmarket: describe coin control

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openoms
2020-04-28 17:23:09 +01:00
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joinmarket/README.md
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@@ -66,6 +66,19 @@ Start by logging in with the `joinmarket` user:
You can pay or withdraw to an external address with (or without) a CoinJoin using the `sendpayment.py`.
* Example:
`(jmvenv)$ python sendpayment.py -N5 -m1 WALLET.jmdat 100000000 mprGzBA9rQk82Ly41TsmpQGa8UPpZb2w8c`
Sends 1BTC (100 million satoshis) from mixing depth 1 (the second!), mixing with five other parties.
* The most importan options (see all with --help):
```
-N MAKERCOUNT, --makercount=MAKERCOUNT
how many makers to coinjoin with, default random from 5 to 7
-m MIXDEPTH, --mixdepth=MIXDEPTH
mixing depth to spend from, default=0 (choose one from 0 to 4)
```
* Described in: https://github.com/JoinMarket-Org/joinmarket-clientserver/blob/master/docs/USAGE.md#try-out-a-coinjoin-using-sendpaymentpy
* How to keep fees to minimum:
@@ -77,6 +90,18 @@ You can pay or withdraw to an external address with (or without) a CoinJoin usin
These settings might make it difficult to find counterparties to coinjoin with, see the [offerbook](https://joinmarket.me/ob) for the market and increase limit if offers are scarce or running into errors.
* press CTRL + o, ENTER to save and CTRL + X to exit.
### Coin control with the `freeze` method
* List all UTXO-s in the WALLET with:
`(jmvenv)$ python wallet-tool.py WALLET.jmdat`
* Pick a mixdepth (-m[0-4]) to transfer from:
* Run the `wallet-tool.py` with the `freeze` method:
`(jmvenv)$ python wallet-tool.py -m0 WALLET.jmdat freeze`
* The script will ask which UTXO to freeze or unfreeze - you can keep pressing the numbers to choose.
* Once done use `-1` to exit.
* Sweep the mixdepth with `-N 0` to send the NOT FROZEN UTXO-s without a coinjoin:
`(jmvenv)$ python sendpayment.py -N 0 WALLET.jmdat 0 DESTINATION_BITCOIN_ADDRESS`
### Tumbler script
The Tumbler does series of CoinJoins with various amounts and timing between them to break the link between different addresses.