comm: rename bitcoin report to onchain

the "bitcoin" name is overloaded: everything's about bitcoin here.
a less confusing name is onchain to emphasize the difference w.r.t.
lightning or any other future L2 networks.

src/comm.zig

@@ -66,7 +66,7 @@ pub const MessageTag = enum(u16) {
     // nd -> ngui: reports poweroff progress
     poweroff_progress = 0x09,
     // nd -> ngui: bitcoin core daemon status report
-    bitcoind_report = 0x0a,
+    onchain_report = 0x0a,
     // nd -> ngui: lnd status and stats report
     lightning_report = 0x0b,
     // ngui -> nd: switch sysupdates channel
@@ -87,7 +87,7 @@ pub const Message = union(MessageTag) {
     network_report: NetworkReport,
     get_network_report: GetNetworkReport,
     poweroff_progress: PoweroffProgress,
-    bitcoind_report: BitcoinReport,
+    onchain_report: OnchainReport,
     lightning_report: LightningReport,
     switch_sysupdates: SysupdatesChan,
     settings: Settings,
@@ -117,7 +117,7 @@ pub const Message = union(MessageTag) {
         };
     };
 
-    pub const BitcoinReport = struct {
+    pub const OnchainReport = struct {
         blocks: u64,
         headers: u64,
         timestamp: u64, // unix epoch
@@ -269,7 +269,7 @@ pub fn write(allocator: mem.Allocator, writer: anytype, msg: Message) !void {
         .network_report => try json.stringify(msg.network_report, .{}, data.writer()),
         .get_network_report => try json.stringify(msg.get_network_report, .{}, data.writer()),
         .poweroff_progress => try json.stringify(msg.poweroff_progress, .{}, data.writer()),
-        .bitcoind_report => try json.stringify(msg.bitcoind_report, .{}, data.writer()),
+        .onchain_report => try json.stringify(msg.onchain_report, .{}, data.writer()),
         .lightning_report => try json.stringify(msg.lightning_report, .{}, data.writer()),
         .switch_sysupdates => try json.stringify(msg.switch_sysupdates, .{}, data.writer()),
         .settings => try json.stringify(msg.settings, .{}, data.writer()),

src/nd/Daemon.zig

@@ -57,9 +57,9 @@ network_report_ready: bool, // indicates whether the network status is ready to
 wifi_scan_in_progress: bool = false,
 wpa_save_config_on_connected: bool = false,
 // bitcoin fields
-want_bitcoind_report: bool,
+want_onchain_report: bool,
 bitcoin_timer: time.Timer,
-bitcoin_report_interval: u64 = 1 * time.ns_per_min,
+onchain_report_interval: u64 = 1 * time.ns_per_min,
 // lightning fields
 want_lnd_report: bool,
 lnd_timer: time.Timer,
@@ -111,7 +111,7 @@ pub fn init(opt: InitOpt) !Daemon {
         .want_wifi_scan = false,
         .network_report_ready = true,
         // report bitcoind status immediately on start
-        .want_bitcoind_report = true,
+        .want_onchain_report = true,
         .bitcoin_timer = try time.Timer.start(),
         // report lightning status immediately on start
         .want_lnd_report = true,
@@ -327,12 +327,12 @@ fn mainThreadLoopCycle(self: *Daemon) !void {
         }
     }
 
-    if (self.want_bitcoind_report or self.bitcoin_timer.read() > self.bitcoin_report_interval) {
-        if (self.sendBitcoindReport()) {
+    if (self.want_onchain_report or self.bitcoin_timer.read() > self.onchain_report_interval) {
+        if (self.sendOnchainReport()) {
             self.bitcoin_timer.reset();
-            self.want_bitcoind_report = false;
+            self.want_onchain_report = false;
         } else |err| {
-            logger.err("sendBitcoinReport: {any}", .{err});
+            logger.err("sendOnchainReport: {any}", .{err});
         }
     }
     if (self.want_lnd_report or self.lnd_timer.read() > self.lnd_report_interval) {
@@ -566,7 +566,7 @@ fn readWPACtrlMsg(self: *Daemon) !void {
     }
 }
 
-fn sendBitcoindReport(self: *Daemon) !void {
+fn sendOnchainReport(self: *Daemon) !void {
     var client = bitcoindrpc.Client{
         .allocator = self.allocator,
         .cookiepath = "/ssd/bitcoind/mainnet/.cookie",
@@ -590,7 +590,7 @@ fn sendBitcoindReport(self: *Daemon) !void {
     };
     defer if (balance) |bal| bal.deinit();
 
-    const btcrep: comm.Message.BitcoinReport = .{
+    const btcrep: comm.Message.OnchainReport = .{
         .blocks = bcinfo.value.blocks,
         .headers = bcinfo.value.headers,
         .timestamp = bcinfo.value.time,
@@ -624,7 +624,7 @@ fn sendBitcoindReport(self: *Daemon) !void {
         } else null,
     };
 
-    try comm.write(self.allocator, self.uiwriter, .{ .bitcoind_report = btcrep });
+    try comm.write(self.allocator, self.uiwriter, .{ .onchain_report = btcrep });
 }
 
 fn sendLightningReport(self: *Daemon) !void {
@@ -802,7 +802,7 @@ test "start-stop" {
     });
     daemon.want_settings = false;
     daemon.want_network_report = false;
-    daemon.want_bitcoind_report = false;
+    daemon.want_onchain_report = false;
     daemon.want_lnd_report = false;
 
     try t.expect(daemon.state == .stopped);
@@ -854,7 +854,7 @@ test "start-poweroff" {
     });
     daemon.want_settings = false;
     daemon.want_network_report = false;
-    daemon.want_bitcoind_report = false;
+    daemon.want_onchain_report = false;
     daemon.want_lnd_report = false;
     defer {
         daemon.deinit();

src/ngui.zig

@@ -39,7 +39,7 @@ var state: enum {
 var last_report: struct {
     mu: std.Thread.Mutex = .{},
     network: ?comm.ParsedMessage = null, // NetworkReport
-    bitcoind: ?comm.ParsedMessage = null, // BitcoinReport
+    onchain: ?comm.ParsedMessage = null, // OnchainReport
     lightning: ?comm.ParsedMessage = null, // LightningReport
 
     fn deinit(self: *@This()) void {
@@ -49,9 +49,9 @@ var last_report: struct {
             v.deinit();
             self.network = null;
         }
-        if (self.bitcoind) |v| {
+        if (self.onchain) |v| {
             v.deinit();
-            self.bitcoind = null;
+            self.onchain = null;
         }
         if (self.lightning) |v| {
             v.deinit();
@@ -70,11 +70,11 @@ var last_report: struct {
                 }
                 self.network = new;
             },
-            .bitcoind_report => {
-                if (self.bitcoind) |old| {
+            .onchain_report => {
+                if (self.onchain) |old| {
                     old.deinit();
                 }
-                self.bitcoind = new;
+                self.onchain = new;
             },
             .lightning_report => {
                 if (self.lightning) |old| {
@@ -231,7 +231,7 @@ fn commThreadLoopCycle() !void {
                 try comm.pipeWrite(comm.Message.pong);
             },
             .network_report,
-            .bitcoind_report,
+            .onchain_report,
             .lightning_report,
             => last_report.replace(msg),
             else => {
@@ -252,7 +252,7 @@ fn commThreadLoopCycle() !void {
                 updateNetworkStatus(rep) catch |err| logger.err("updateNetworkStatus: {any}", .{err});
                 last_report.replace(msg);
             },
-            .bitcoind_report => |rep| {
+            .onchain_report => |rep| {
                 ui.bitcoin.updateTabPanel(rep) catch |err| logger.err("bitcoin.updateTabPanel: {any}", .{err});
                 last_report.replace(msg);
             },
@@ -306,8 +306,8 @@ fn uiThreadLoop() void {
                             logger.err("updateNetworkStatus: {any}", .{err});
                         };
                     }
-                    if (last_report.bitcoind) |msg| {
-                        ui.bitcoin.updateTabPanel(msg.value.bitcoind_report) catch |err| {
+                    if (last_report.onchain) |msg| {
+                        ui.bitcoin.updateTabPanel(msg.value.onchain_report) catch |err| {
                             logger.err("bitcoin.updateTabPanel: {any}", .{err});
                         };
                     }

src/test/guiplay.zig

@@ -152,7 +152,7 @@ fn commWriteThread(gpa: std.mem.Allocator, w: anytype) !void {
         block_count += 1;
         const now = time.timestamp();
 
-        const btcrep: comm.Message.BitcoinReport = .{
+        const btcrep: comm.Message.OnchainReport = .{
             .blocks = block_count,
             .headers = block_count,
             .timestamp = @intCast(now),
@@ -183,7 +183,7 @@ fn commWriteThread(gpa: std.mem.Allocator, w: anytype) !void {
                 .reserved = 100000,
             },
         };
-        comm.write(gpa, w, .{ .bitcoind_report = btcrep }) catch |err| logger.err("comm.write: {any}", .{err});
+        comm.write(gpa, w, .{ .onchain_report = btcrep }) catch |err| logger.err("comm.write: {any}", .{err});
 
         if (block_count % 2 == 0) {
             const lndrep: comm.Message.LightningReport = .{

src/ui/bitcoin.zig

@@ -113,7 +113,7 @@ pub fn initTabPanel(cont: lvgl.Container) !void {
 
 /// updates the tab with new data from the report.
 /// the tab must be inited first with initTabPanel.
-pub fn updateTabPanel(rep: comm.Message.BitcoinReport) !void {
+pub fn updateTabPanel(rep: comm.Message.OnchainReport) !void {
     var buf: [512]u8 = undefined;
 
     // blockchain section