118 lines
4.4 KiB
Nix
118 lines
4.4 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib;
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let
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version = config.nix-bitcoin.configVersion;
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# Sorted by increasing version numbers
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changes = let
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mkOnionServiceChange = service: {
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version = "0.0.30";
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condition = config.services.${service}.enable;
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message = ''
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The onion service for ${service} has been disabled in the default
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configuration (`secure-node.nix`).
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To enable the onion service, add the following to your configuration:
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nix-bitcon.onionServices.${service}.enable = true;
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'';
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};
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in [
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{
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version = "0.0.26";
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condition = config.services.joinmarket.enable;
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message = let
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inherit (config.services.joinmarket) dataDir;
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in ''
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JoinMarket 0.8.0 moves from wrapped segwit wallets to native segwit wallets.
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If you have an existing wrapped segwit wallet, you have to manually migrate
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your funds to a new native segwit wallet.
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To migrate, you first have to deploy the new JoinMarket version:
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1. Set `nix-bitcoin.configVersion = "0.0.26";` in your configuration.nix
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2. Deploy the new configuration
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Then run the following on your nix-bitcoin node:
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1. Move your wallet:
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mv ${dataDir}/wallets/wallet.jmdat ${dataDir}/wallets/old.jmdat
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2. Autogenerate a new p2wpkh wallet:
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systemctl restart joinmarket
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3. Transfer your funds manually by doing sweeps for each mixdepth:
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jm-sendpayment -m <mixdepth> -N 0 old.jmdat 0 <destaddr>
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Run this command for every available mixdepth (`-m 0`, `-m 1`, ...).
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IMPORTANT: Use a different <destaddr> for every run.
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Explanation of the options:
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-m <mixdepth>: spend from given mixdepth.
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-N 0: don't coinjoin on this spend
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old.jmdat: spend from old wallet
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0: set amount to zero to do a sweep, i.e. transfer all funds at given mixdepth
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<destaddr>: destination p2wpkh address from wallet.jmdat with mixdepth 0
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Privacy Notes:
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- This method transfers all funds to the same mixdepth 0.
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Because wallet inputs at the same mixdepth can be considered to be linked, this undoes
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the unlinking effects of previous coinjoins and resets all funds to mixdepth 0.
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This only applies in case that the inputs to the new wallet are used for further coinjoins.
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When inputs are instead kept separate in future transactions, the unlinking effects of
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different mixdepths are preserved.
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- A different <destaddr> should be used for every transaction.
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- You might want to time stagger the transactions.
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- Additionally, you can use coin-freezing to exclude specific inputs from the sweep.
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More information at
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https://github.com/JoinMarket-Org/joinmarket-clientserver/blob/v0.8.0/docs/NATIVE-SEGWIT-UPGRADE.md
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'';
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}
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(mkOnionServiceChange "clightning")
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(mkOnionServiceChange "lnd")
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(mkOnionServiceChange "btcpayserver")
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];
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incompatibleChanges = optionals
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(version != null && versionOlder lastChange)
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(builtins.filter (change: versionOlder change && (change.condition or true)) changes);
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errorMsg = ''
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This version of nix-bitcoin contains the following changes
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that are incompatible with your config (version ${version}):
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${concatMapStringsSep "\n" (change: ''
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- ${change.message}(This change was introduced in version ${change.version})
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'') incompatibleChanges}
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After addressing the above changes, set nix-bitcoin.configVersion = "${lastChange.version}";
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in your nix-bitcoin configuration.
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'';
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versionOlder = change: (builtins.compareVersions change.version version) > 0;
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lastChange = builtins.elemAt changes (builtins.length changes - 1);
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in
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{
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imports = [
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./obsolete-options.nix
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];
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options = {
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nix-bitcoin.configVersion = mkOption {
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type = with types; nullOr str;
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default = null;
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description = ''
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Set this option to the nix-bitcoin release version that your config is
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compatible with.
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When upgrading to a backwards-incompatible release, nix-bitcoin will throw an
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error during evaluation and provide hints for migrating your config to the
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new release.
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'';
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};
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};
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config = {
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# Force evaluation. An actual option value is never assigned
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system = optionalAttrs (builtins.length incompatibleChanges > 0) (builtins.throw errorMsg);
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};
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}
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