231 lines
9.3 KiB
Nix
231 lines
9.3 KiB
Nix
{ config, pkgs, lib, ... }:
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# Workflow for releasing a new nix-bitcoin version with incompatible changes:
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# Let V be the version of the upcoming, incompatible release.
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# 1. Add change descriptions with `version = V` at the end of the `changes` list below.
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# 2. Set `nix-bitcoin.configVersion = V` in ../examples/configuration.nix.
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with lib;
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let
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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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# Sorted by increasing version numbers
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changes = [
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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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version = "0.0.41";
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condition = config.services.lnd.enable || config.services.joinmarket.enable;
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message = let
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secretsDir = config.nix-bitcoin.secretsDir;
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lnd = config.services.lnd;
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jm = config.services.joinmarket;
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in ''
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Secret files generated by services at runtime are now stored in the service
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data dirs instead of the global secrets dir.
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To migrate, run the following Bash script as root on your nix-bitcoin node:
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if [[ -e ${secretsDir}/lnd-seed-mnemonic ]]; then
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install -o ${lnd.user} -g ${lnd.group} -m400 "${secretsDir}/lnd-seed-mnemonic" "${lnd.dataDir}"
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fi
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if [[ -e ${secretsDir}/jm-wallet-seed ]]; then
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install -o ${jm.user} -g ${jm.group} -m400 "${secretsDir}/jm-wallet-seed" "${jm.dataDir}"
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fi
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rm -f "${secretsDir}"/{lnd-seed-mnemonic,jm-wallet-seed}
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'';
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}
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{
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version = "0.0.49";
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condition = config.services.joinmarket.enable;
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message = ''
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Starting with 0.21.0, bitcoind no longer automatically creates and loads a
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default wallet named `wallet.dat` [1].
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The joinmarket service now automatically creates a watch-only bitcoind wallet
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(named by option `services.joinmarket.rpcWalletFile`) when creating a joinmarket wallet.
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If you've used JoinMarket before, add the following to your configuration to
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continue using the default `wallet.dat` wallet:
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services.joinmarket.rpcWalletFile = null;
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[1] https://github.com/bitcoin/bitcoin/pull/15454
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'';
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}
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{
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version = "0.0.51";
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condition = config.services.joinmarket.enable;
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message = let
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jmDataDir = config.services.joinmarket.dataDir;
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in ''
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Joinmarket 0.9.1 has added support for Fidelity Bonds [1].
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If you've used joinmarket before, do the following to enable Fidelity Bonds in your existing wallet.
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Enabling Fidelity Bonds has no effect if you don't use them.
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1. Deploy the new system config to your node
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2. Run the following on your node:
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# Ensure that the wallet seed exists and rename the wallet
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ls ${jmDataDir}/jm-wallet-seed && mv ${jmDataDir}/wallets/wallet.jmdat{,.bak}
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# This automatically recreates the wallet with Fidelity Bonds support
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systemctl restart joinmarket
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# Remove wallet backup if update was successful
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rm ${jmDataDir}/wallets/wallet.jmdat.bak
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[1] https://github.com/JoinMarket-Org/joinmarket-clientserver/blob/master/docs/fidelity-bonds.md
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'';
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}
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{
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version = "0.0.53";
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condition = config.services.electrs.enable;
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message = let
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dbPath = "${config.services.electrs.dataDir}/mainnet";
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in ''
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Electrs 0.9.0 has switched to a new, more space efficient database format,
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reducing storage demands by ~60% [1].
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When started, electrs will automatically reindex the bitcoin blockchain.
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This can take a few hours, depending on your hardware. The electrs server is
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inactive during reindexing.
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To upgrade, do the following:
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- If you have less than 40 GB of free space [2] on the electrs data dir volume:
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1. Delete the database:
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systemctl stop electrs
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rm -r '${dbPath}'
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2. Deploy the new system config to your node
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- Otherwise:
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1. Deploy the new system config to your node
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2. Check that electrs works as expected and delete the old database:
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rm -r '${dbPath}'
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[1] https://github.com/romanz/electrs/blob/557911e3baf9a000f883a6f619f0518945a7678d/doc/usage.md#upgrading
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[2] This is based on the bitcoin blockchain size as of 2021-09.
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The general formula is, approximately, size_of(${dbPath}) * 0.6
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This includes the final database size (0.4) plus some extra storage (0.2).
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'';
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}
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{
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version = "0.0.57";
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condition = config.nix-bitcoin ? secure-node-preset-enabled && config.services.liquidd.enable;
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message = ''
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The `secure-node.nix` preset does _not_ set `liquidd.prune = 1000` anymore.
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- If you want to keep the same behavior as before, manually set
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`services.liquidd.prune = 1000;` in your configuration.nix.
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- Otherwise, if you want to turn off pruning, you must instruct liquidd
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to reindex by setting `services.liquidd.extraConfig = "reindex=1";`.
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This can be removed after having started liquidd with that option
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once.
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'';
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}
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];
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mkOnionServiceChange = service: {
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version = "0.0.30";
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condition = config.services.${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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version = config.nix-bitcoin.configVersion;
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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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inherit options;
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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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