20: Add actual refreshing logic to loop

conf/alarms.conf.example

@@ -1,8 +1,56 @@
+# General configurations
+#####################################################
+{{JUPITER_PERPS_WALLET}}  8abcYourWalletAddressHere
+
+
+# Constant Name             Value
+####################################
+
+{{SOL_LONG_ENTRY_PRICE}}    73.67
+{{SOL_LONG_LIQ_PRICE}}      70.28
+{{SOL_SHORT_ENTRY_PRICE}}   70.47
+{{SOL_SHORT_LIQ_PRICE}}     75.01
+
+{{ETH_LONG_ENTRY_PRICE}}    1589.63
+{{ETH_LONG_LIQ_PRICE}}      1461.11
+{{ETH_SHORT_ENTRY_PRICE}}   1545.29
+{{ETH_SHORT_LIQ_PRICE}}     1698.42
+
+{{BTC_LONG_ENTRY_PRICE}}    61236.03
+{{BTC_LONG_LIQ_PRICE}}      40984.70
+{{BTC_SHORT_ENTRY_PRICE}}   59451.94
+{{BTC_SHORT_LIQ_PRICE}}     65084.53
+
+
 # Id   Asset   Direction                          Target   Trigger           Severity   Note
-######################################################################################################################
-1      SOL     ABOVE       97.03-1.25%   ONETIME   CRITICAL   "CRITICAL: Risiko for Perps Solana short LIKVIDERING!"
-2      SOL     BELOW       48.72+1.25%   ONETIME   CRITICAL   "CRITICAL: Risiko for Perps Solana long LIKVIDERING!"
-3      BTC     ABOVE       85032.87-1%   ONETIME   CRITICAL   "CRITICAL: Risiko for Perps Bitcoin short LIKVIDERING!"
-4      BTC     BELOW       42779.40+1%   ONETIME   CRITICAL   "CRITICAL: Risiko for Perps Bitcoin long LIKVIDERING!"
-5      ETH     ABOVE        2296.13-1%   ONETIME   CRITICAL   "CRITICAL: Risiko for Perps Ethereum short LIKVIDERING!"
-6      ETH     BELOW        1155.19+1%   ONETIME   CRITICAL   "CRITICAL: Risiko for Perps Ethereum long LIKVIDERING!"
+###############################################################################################################################
+
+# SOL SHORT
+1      SOL     ABOVE       {{SOL_SHORT_LIQ_PRICE}}-1.25%   ONETIME           CRITICAL   "🚨 LIKVIDERINGS-risiko SOL Short!"
+2      SOL     ABOVE        {{SOL_SHORT_ENTRY_PRICE}}+3%   PERSISTENT:900   INFO       "🌱 Short SOL now"
+3      SOL     BELOW        {{SOL_SHORT_ENTRY_PRICE}}-3%   PERSISTENT:900   INFO       "💵 Close SOL Short"
+
+# SOL LONG
+4      SOL     BELOW        {{SOL_LONG_LIQ_PRICE}}+1.25%   ONETIME           CRITICAL   "🚨 LIKVIDERINGS-risiko SOL Long!"
+5      SOL     BELOW         {{SOL_LONG_ENTRY_PRICE}}-3%   PERSISTENT:900   INFO       "🌱 Long SOL now"
+6      SOL     ABOVE         {{SOL_LONG_ENTRY_PRICE}}+3%   PERSISTENT:900   INFO       "💵 Close SOL Long"
+
+# ETH SHORT
+7      ETH     ABOVE          {{ETH_SHORT_LIQ_PRICE}}-1%   ONETIME           CRITICAL   "🚨 LIKVIDERINGS-risiko ETH Short!"
+8      ETH     ABOVE        {{ETH_SHORT_ENTRY_PRICE}}+3%   PERSISTENT:900   INFO       "🌱 Short ETH now"
+9      ETH     BELOW        {{ETH_SHORT_ENTRY_PRICE}}-3%   PERSISTENT:900   INFO       "💵 Close ETH Short"
+
+# ETH LONG
+10     ETH     BELOW           {{ETH_LONG_LIQ_PRICE}}+1%   ONETIME           CRITICAL   "🚨 LIKVIDERINGS-risiko ETH Long!"
+11     ETH     BELOW         {{ETH_LONG_ENTRY_PRICE}}-3%   PERSISTENT:900   INFO       "🌱 Long ETH now"
+12     ETH     ABOVE         {{ETH_LONG_ENTRY_PRICE}}+3%   PERSISTENT:900   INFO       "💵 Close ETH Long"
+
+# BTC SHORT
+13     BTC     ABOVE          {{BTC_SHORT_LIQ_PRICE}}-1%   ONETIME           CRITICAL   "🚨 LIKVIDERINGS-risiko BTC Short!"
+14     BTC     ABOVE        {{BTC_SHORT_ENTRY_PRICE}}+3%   PERSISTENT:900   INFO       "🌱 Short BTC now"
+15     BTC     BELOW        {{BTC_SHORT_ENTRY_PRICE}}-3%   PERSISTENT:900   INFO       "💵 Close BTC Short"
+
+# BTC LONG
+16     BTC     BELOW           {{BTC_LONG_LIQ_PRICE}}+1%   ONETIME           CRITICAL   "🚨 LIKVIDERINGS-risiko BTC Long!"
+17     BTC     BELOW         {{BTC_LONG_ENTRY_PRICE}}-3%   PERSISTENT:900   INFO       "🌱 Long BTC now"
+18     BTC     ABOVE         {{BTC_LONG_ENTRY_PRICE}}+3%   PERSISTENT:900   INFO       "💵 Close BTC Long"

publishGitHub.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SOURCE="$HOME/projects/com_r35157_nenjim-hubd-impl_ref"
+TARGET="$HOME/projects/com_r35157_nenjim-hubd-impl_ref_github_snapshot"
+
+rsync -a --delete \
+  --exclude '.git' \
+  --exclude 'conf/*.conf' \
+  --exclude 'conf/*.xml' \
+  "$SOURCE/" \
+  "$TARGET/"
+
+cd "$TARGET"
+git add -A
+
+if git diff --cached --quiet; then
+    echo "No snapshot changes to publish."
+    exit 0
+fi
+
+git commit -m "Mirror snapshot"
+git push

src/main/tjava/com/r35157/jupiterperpsalarm/impl/ref/AlarmAction.tjava

@@ -2,5 +2,5 @@ package com.r35157.jupiterperpsalarm.impl.ref;
 
 @FunctionalInterface
 public interface AlarmAction {
-    void trigger(OraclePrice price, PriceAlarmDefinition alarm);
+    void trigger(OraclePrice price, ResolvedPriceAlarm alarm);
 }

src/main/tjava/com/r35157/jupiterperpsalarm/impl/ref/AlarmConfiguration.tjava

@@ -0,0 +1,19 @@
+package com.r35157.jupiterperpsalarm.impl.ref;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.concurrent.ConcurrentHashMap;
+
+public record AlarmConfiguration(
+        List<PriceAlarmDefinition> definitions,
+        Map<String, String> variables
+) {
+    public AlarmConfiguration {
+        Objects.requireNonNull(definitions, "definitions");
+        Objects.requireNonNull(variables, "variables");
+
+        definitions = List.copyOf(definitions);
+        variables = new ConcurrentHashMap<>(variables);
+    }
+}

src/main/tjava/com/r35157/jupiterperpsalarm/impl/ref/AlarmConfigurationParser.tjava

@@ -3,14 +3,13 @@ package com.r35157.jupiterperpsalarm.impl.ref;
 import com.r35157.jupiterperpsalarm.AlarmSeverity;
 
 import java.io.IOException;
-import java.math.BigDecimal;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.*;
 
 public final class AlarmConfigurationParser {
 
-    public static List<PriceAlarmDefinition> parse(Path path) throws IOException {
+    public static AlarmConfiguration parse(Path path) throws IOException {
         List<String> lines = Files.readAllLines(path);
         List<PriceAlarmDefinition> alarms = new ArrayList<>();
         Map<String, String> constants = new LinkedHashMap<>();
@@ -27,8 +26,7 @@ public final class AlarmConfigurationParser {
                 if(isConstantDefinition(trimmed)) {
                     parseConstantDefinition(constants, line);
                 } else {
-                    String resolvedLine = replaceConstants(line, constants);
-                    alarms.add(parseLine(resolvedLine));
+                    alarms.add(parseLine(line));
                 }
             } catch (RuntimeException exception) {
                 throw new IllegalArgumentException(
@@ -42,7 +40,7 @@ public final class AlarmConfigurationParser {
             throw new IllegalArgumentException("No alarms found in " + path);
         }
 
-        return List.copyOf(alarms);
+        return new AlarmConfiguration(alarms, constants);
     }
 
     static PriceAlarmDefinition parseLine(String line) {
@@ -58,7 +56,7 @@ public final class AlarmConfigurationParser {
                 cursor.nextToken("direction").toUpperCase(Locale.ROOT)
         );
 
-        BigDecimal target = parseTarget(cursor.nextToken("target"));
+        String targetExpression = cursor.nextToken("target");
 
         TriggerConfiguration triggerConfiguration = parseTrigger(
                 cursor.nextToken("trigger")
@@ -81,7 +79,7 @@ public final class AlarmConfigurationParser {
                 id,
                 asset,
                 direction,
-                target,
+                targetExpression,
                 triggerConfiguration.trigger(),
                 triggerConfiguration.gracePeriod(),
                 severity,
@@ -89,28 +87,6 @@ public final class AlarmConfigurationParser {
         );
     }
 
-    private static BigDecimal parseTargetPercentage(
-            String targetStr,
-            int operatorIndex,
-            boolean add
-    ) {
-        BigDecimal base = new BigDecimal(targetStr.substring(0, operatorIndex));
-        String percentStr = targetStr.substring(operatorIndex + 1, targetStr.length() - 1);
-        BigDecimal percent = new BigDecimal(percentStr);
-
-        BigDecimal delta = base
-                .multiply(percent)
-                .divide(BigDecimal.valueOf(100));
-
-        BigDecimal target = add ? base.add(delta) : base.subtract(delta);
-
-        validateTarget(base, targetStr);
-        validateTarget(percent, targetStr);
-        validateTarget(target, targetStr);
-
-        return target;
-    }
-
     private static TriggerConfiguration parseTrigger(String triggerText) {
         String normalized = triggerText.toUpperCase(Locale.ROOT);
 
@@ -155,35 +131,6 @@ public final class AlarmConfigurationParser {
         throw new IllegalArgumentException("Unknown trigger: " + triggerText);
     }
 
-    private static void validateTarget(BigDecimal target, String originalTargetStr) {
-        if (target.compareTo(BigDecimal.ZERO) < 0) {
-            throw new IllegalArgumentException(
-                    "Target must be zero or positive: " + originalTargetStr
-            );
-        }
-    }
-
-    private static BigDecimal parseTarget(String targetStr) {
-        String trimmedTargetStr = targetStr.trim();
-
-        if (trimmedTargetStr.endsWith("%")) {
-            int plusIndex = trimmedTargetStr.indexOf('+');
-            int minusIndex = trimmedTargetStr.indexOf('-', 1);
-
-            if (plusIndex >= 0) {
-                return parseTargetPercentage(trimmedTargetStr, plusIndex, true);
-            }
-
-            if (minusIndex >= 0) {
-                return parseTargetPercentage(trimmedTargetStr, minusIndex, false);
-            }
-        }
-
-        BigDecimal target = new BigDecimal(trimmedTargetStr);
-        validateTarget(target, targetStr);
-        return target;
-    }
-
     private static final class Cursor {
         private Cursor(String line) {
             this.line = line;
@@ -290,9 +237,21 @@ public final class AlarmConfigurationParser {
 
         validateConstantName(name);
 
-        if (constants.putIfAbsent(name, value) != null) {
-            throw new IllegalArgumentException("Duplicate constant: " + name);
+        constants.put(parseVariableName(name), value);
     }
+
+    private static String parseVariableName(String variableName) {
+        if (!variableName.startsWith("{{") || !variableName.endsWith("}}")) {
+            throw new IllegalArgumentException("Invalid variable name: " + variableName);
+        }
+
+        String parsedVariableName = variableName.substring(2, variableName.length() - 2);
+
+        if (parsedVariableName.isBlank()) {
+            throw new IllegalArgumentException("Variable name cannot be blank: " + variableName);
+        }
+
+        return parsedVariableName;
     }
 
     private static String replaceConstants(

src/main/tjava/com/r35157/jupiterperpsalarm/impl/ref/AlarmTargetParser.tjava

@@ -0,0 +1,60 @@
+package com.r35157.jupiterperpsalarm.impl.ref;
+
+import java.math.BigDecimal;
+
+public final class AlarmTargetParser {
+
+    private AlarmTargetParser() {
+    }
+
+    public static BigDecimal parse(String targetStr) {
+        String trimmedTargetStr = targetStr.trim();
+
+        if (trimmedTargetStr.endsWith("%")) {
+            int plusIndex = trimmedTargetStr.indexOf('+');
+            int minusIndex = trimmedTargetStr.indexOf('-', 1);
+
+            if (plusIndex >= 0) {
+                return parseTargetPercentage(trimmedTargetStr, plusIndex, true);
+            }
+
+            if (minusIndex >= 0) {
+                return parseTargetPercentage(trimmedTargetStr, minusIndex, false);
+            }
+        }
+
+        BigDecimal target = new BigDecimal(trimmedTargetStr);
+        validateTarget(target, targetStr);
+        return target;
+    }
+
+    private static BigDecimal parseTargetPercentage(
+            String targetStr,
+            int operatorIndex,
+            boolean add
+    ) {
+        BigDecimal base = new BigDecimal(targetStr.substring(0, operatorIndex));
+        String percentStr = targetStr.substring(operatorIndex + 1, targetStr.length() - 1);
+        BigDecimal percent = new BigDecimal(percentStr);
+
+        BigDecimal delta = base
+                .multiply(percent)
+                .divide(BigDecimal.valueOf(100));
+
+        BigDecimal target = add ? base.add(delta) : base.subtract(delta);
+
+        validateTarget(base, targetStr);
+        validateTarget(percent, targetStr);
+        validateTarget(target, targetStr);
+
+        return target;
+    }
+
+    private static void validateTarget(BigDecimal target, String originalTargetStr) {
+        if (target.compareTo(BigDecimal.ZERO) < 0) {
+            throw new IllegalArgumentException(
+                    "Target must be zero or positive: " + originalTargetStr
+            );
+        }
+    }
+}

src/main/tjava/com/r35157/jupiterperpsalarm/impl/ref/AlarmVariableResolver.tjava

@@ -0,0 +1,30 @@
+package com.r35157.jupiterperpsalarm.impl.ref;
+
+import java.util.Map;
+import java.util.Objects;
+
+public final class AlarmVariableResolver {
+
+    public AlarmVariableResolver(Map<String, String> variables) {
+        this.variables = Objects.requireNonNull(variables, "variables");
+    }
+
+    public String resolve(String text) {
+        Objects.requireNonNull(text, "text");
+
+        String resolvedText = text;
+
+        for (Map.Entry<String, String> entry : variables.entrySet()) {
+            String placeholder = "{{" + entry.getKey() + "}}";
+            resolvedText = resolvedText.replace(placeholder, entry.getValue());
+        }
+
+        if (resolvedText.contains("{{") || resolvedText.contains("}}")) {
+            throw new IllegalArgumentException("Unresolved variable in text: " + text);
+        }
+
+        return resolvedText;
+    }
+
+    private final Map<String, String> variables;
+}

src/main/tjava/com/r35157/jupiterperpsalarm/impl/ref/AssetPriceAlarmMonitor.tjava

@@ -12,6 +12,7 @@ public final class AssetPriceAlarmMonitor {
     public AssetPriceAlarmMonitor(
             JupiterPerpsAsset asset,
             List<PriceAlarmDefinition> definitions,
+            AlarmVariableResolver variableResolver,
             AlarmAction action
     ) {
         this.asset = asset;
@@ -22,7 +23,7 @@ public final class AssetPriceAlarmMonitor {
                                 "Alarm asset " + definition.asset() + " does not match monitor " + asset
                         );
                     }
-                    return new PriceAlarm(definition, action);
+                    return new PriceAlarm(definition, variableResolver, action);
                 })
                 .toList();
 

src/main/tjava/com/r35157/jupiterperpsalarm/impl/ref/CompositeAlarmAction.tjava

@@ -9,7 +9,7 @@ public final class CompositeAlarmAction implements AlarmAction {
     }
 
     @Override
-    public void trigger(OraclePrice price, PriceAlarmDefinition alarm) {
+    public void trigger(OraclePrice price, ResolvedPriceAlarm alarm) {
         for (AlarmAction action : actions) {
             try {
                 action.trigger(price, alarm);

src/main/tjava/com/r35157/jupiterperpsalarm/impl/ref/ConsoleAlarmAction.tjava

@@ -2,7 +2,7 @@ package com.r35157.jupiterperpsalarm.impl.ref;
 
 public final class ConsoleAlarmAction implements AlarmAction {
     @Override
-    public void trigger(OraclePrice price, PriceAlarmDefinition alarm) {
+    public void trigger(OraclePrice price, ResolvedPriceAlarm alarm) {
         System.err.println();
         System.err.println("============================================================");
         System.err.printf(

src/main/tjava/com/r35157/jupiterperpsalarm/impl/ref/JupiterPerpsAlarmImpl.tjava

@@ -1,5 +1,10 @@
 package com.r35157.jupiterperpsalarm.impl.ref;
 
+import com.r35157.libs.jupiter.perps.JupiterPerpsService;
+import com.r35157.libs.jupiter.perps.impl.anchoridl.AnchorIdlJupiterPerpsServiceImpl;
+import com.r35157.libs.solana.SolanaBlockChain;
+import com.r35157.libs.solana.impl.ref.SolanaBlockChainImpl;
+
 import java.net.URI;
 import java.nio.file.Path;
 import java.util.ArrayList;
@@ -13,6 +18,7 @@ public final class JupiterPerpsAlarmImpl {
 
     public static void main(String[] args) throws Exception {
         Config config;
+
         try {
             config = Config.parse(args, System.getenv());
         } catch (IllegalArgumentException exception) {
@@ -22,13 +28,34 @@ public final class JupiterPerpsAlarmImpl {
         }
 
         List<PriceAlarmDefinition> definitions;
+        AlarmConfiguration alarmConfiguration;
+
         try {
-            definitions = AlarmConfigurationParser.parse(config.alarmConfiguration());
+            alarmConfiguration = AlarmConfigurationParser.parse(config.alarmConfiguration());
+            definitions = alarmConfiguration.definitions();
         } catch (Exception exception) {
             String errMsg = "Could not load alarm configuration: " + exception.getMessage() + "!";
             throw new IllegalStateException(errMsg, exception);
         }
 
+        AlarmVariableResolver variableResolver = new AlarmVariableResolver(
+                alarmConfiguration.variables()
+        );
+
+        SolanaBlockChain solanaBlockChain = new SolanaBlockChainImpl();
+        JupiterPerpsService jupiterPerpsService = new AnchorIdlJupiterPerpsServiceImpl(solanaBlockChain);
+        JupiterPerpsEntryPriceVariableRefresher entryPriceVariableRefresher =
+                new JupiterPerpsEntryPriceVariableRefresher(alarmConfiguration.variables(), jupiterPerpsService);
+        entryPriceVariableRefresher.refresh();
+
+        JupiterPerpsEntryPriceVariableRefreshWatcher entryPriceVariableRefreshWatcher =
+                new JupiterPerpsEntryPriceVariableRefreshWatcher(
+                        config.alarmConfiguration().getParent(),
+                        entryPriceVariableRefresher
+                );
+
+        entryPriceVariableRefreshWatcher.start();
+
         List<AlarmAction> actions = new ArrayList<>();
         actions.add(new ConsoleAlarmAction());
 
@@ -52,9 +79,10 @@ public final class JupiterPerpsAlarmImpl {
         Map<JupiterPerpsAsset, AssetPriceAlarmMonitor> monitors = new EnumMap<>(
                 JupiterPerpsAsset.class
         );
+
         definitionsByAsset.forEach((asset, assetDefinitions) -> monitors.put(
                 asset,
-                new AssetPriceAlarmMonitor(asset, assetDefinitions, action)
+                new AssetPriceAlarmMonitor(asset, assetDefinitions, variableResolver, action)
         ));
 
         List<OracleWebSocketClient> clients = new ArrayList<>();
@@ -85,7 +113,7 @@ public final class JupiterPerpsAlarmImpl {
             assetDefinitions.forEach(definition -> System.out.printf(
                     "    %s %s USD, %s, severity=%s%n",
                     definition.direction(),
-                    definition.target().toPlainString(),
+                    definition.targetExpression(),
                     definition.trigger(),
                     definition.severity()
             ));

src/main/tjava/com/r35157/jupiterperpsalarm/impl/ref/JupiterPerpsEntryPriceVariableRefreshWatcher.tjava

@@ -0,0 +1,92 @@
+package com.r35157.jupiterperpsalarm.impl.ref;
+
+import java.nio.file.*;
+import java.util.Objects;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.FileSystems;
+import java.nio.file.StandardWatchEventKinds;
+import java.nio.file.WatchEvent;
+import java.nio.file.WatchKey;
+import java.nio.file.WatchService;
+
+public final class JupiterPerpsEntryPriceVariableRefreshWatcher {
+
+    public JupiterPerpsEntryPriceVariableRefreshWatcher(
+            Path confDirectory,
+            JupiterPerpsEntryPriceVariableRefresher refresher
+    ) {
+        this.confDirectory = Objects.requireNonNull(confDirectory, "confDirectory");
+        this.refresher = Objects.requireNonNull(refresher, "refresher");
+    }
+
+    public void start() {
+        Thread thread = new Thread(
+                this::run,
+                "jupiter-perps-entry-price-variable-refresh-watcher"
+        );
+
+        thread.setDaemon(true);
+        thread.start();
+    }
+
+    private void run() {
+        try (WatchService watchService = FileSystems.getDefault().newWatchService()) {
+
+            confDirectory.register(
+                    watchService,
+                    StandardWatchEventKinds.ENTRY_CREATE
+            );
+
+            System.out.println(
+                    "Jupiter Perps entry price variable refresh watcher started for directory: "
+                            + confDirectory
+            );
+            while (true) {
+                WatchKey key = watchService.take();
+
+                for (WatchEvent<?> event : key.pollEvents()) {
+                    Path path = (Path) event.context();
+
+                    if (!REFRESH_TRIGGER_FILE_NAME.equals(path.getFileName().toString())) {
+                        continue;
+                    }
+
+                    Path triggerFile = confDirectory.resolve(path);
+
+                    System.out.println("Refresh trigger file detected: " + triggerFile);
+
+                    try {
+                        refresher.refresh();
+                    } finally {
+                        Files.deleteIfExists(triggerFile);
+                    }
+                }
+
+                if (!key.reset()) {
+                    System.err.println(
+                            "Jupiter Perps entry price variable refresh watcher stopped: watch key is no longer valid"
+                    );
+                    return;
+                }
+            }
+        } catch (IOException exception) {
+            System.err.println(
+                    "Could not start Jupiter Perps entry price variable refresh watcher: "
+                            + exception.getMessage()
+            );
+        } catch (InterruptedException exception) {
+            Thread.currentThread().interrupt();
+
+            System.err.println(
+                    "Jupiter Perps entry price variable refresh watcher interrupted"
+            );
+        }
+    }
+
+    private static final String REFRESH_TRIGGER_FILE_NAME =
+            "jupiter-perps-alarm-var.refresh";
+
+    private final Path confDirectory;
+    private final JupiterPerpsEntryPriceVariableRefresher refresher;
+}

src/main/tjava/com/r35157/jupiterperpsalarm/impl/ref/JupiterPerpsEntryPriceVariableRefresher.tjava

@@ -0,0 +1,86 @@
+package com.r35157.jupiterperpsalarm.impl.ref;
+
+import com.r35157.libs.jupiter.perps.JupiterPerpsPosition;
+import com.r35157.libs.jupiter.perps.JupiterPerpsService;
+
+import java.io.IOException;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
+
+public final class JupiterPerpsEntryPriceVariableRefresher {
+
+    public JupiterPerpsEntryPriceVariableRefresher(
+            Map<String, String> variables,
+            JupiterPerpsService jupiterPerpsService
+    ) {
+        this.variables = Objects.requireNonNull(variables, "variables");
+        this.jupiterPerpsService = Objects.requireNonNull(jupiterPerpsService, "jupiterPerpsService");
+    }
+
+    public void refresh() {
+        ΩSolanaWalletIdΩ  wallet = variables.get("JUPITER_PERPS_WALLET");
+
+        if (wallet == null || wallet.isBlank()) {
+            System.err.println("Cannot refresh Jupiter Perps entry price variables: JUPITER_PERPS_WALLET is not configured");
+            return;
+        }
+
+        try {
+            Set<JupiterPerpsPosition> positions = jupiterPerpsService.getOpenPositions(wallet);
+
+            System.out.println(
+                    "Fetched " + positions.size()
+                            + " open Jupiter Perps positions for wallet: " + wallet
+            );
+
+            removeEntryPriceVariables();
+
+            for (JupiterPerpsPosition position : positions) {
+                String variableName = createEntryPriceVariableName(position);
+
+                System.out.println(
+                        "Jupiter Perps position maps to variable "
+                                + variableName
+                                + " = "
+                                + position.entryPrice()
+                );
+                variables.put(variableName, position.entryPrice().toPlainString());
+            }
+        } catch (IOException | InterruptedException exception) {
+            if (exception instanceof InterruptedException) {
+                Thread.currentThread().interrupt();
+            }
+
+            System.err.println(
+                    "Could not refresh Jupiter Perps entry price variables: "
+                            + exception.getMessage()
+            );
+        }
+    }
+
+    private void removeEntryPriceVariables() {
+        variables.remove("SOL_LONG_ENTRY_PRICE");
+        variables.remove("SOL_SHORT_ENTRY_PRICE");
+        variables.remove("BTC_LONG_ENTRY_PRICE");
+        variables.remove("BTC_SHORT_ENTRY_PRICE");
+        variables.remove("ETH_LONG_ENTRY_PRICE");
+        variables.remove("ETH_SHORT_ENTRY_PRICE");
+    }
+
+    private static String createEntryPriceVariableName(JupiterPerpsPosition position) {
+        String asset = switch (position.tradedTokenMint()) {
+            case "So11111111111111111111111111111111111111112" -> "SOL";
+            case "3NZ9JMVBmGAqocybic2c7LQCJScmgsAZ6vQqTDzcqmJh" -> "BTC";
+            case "7vfCXTUXx5WJV5JADk17DUJ4ksgau7utNKj4b963voxs" -> "ETH";
+            default -> throw new IllegalArgumentException(
+                    "Unsupported Jupiter Perps traded token mint: " + position.tradedTokenMint()
+            );
+        };
+
+        return asset + "_" + position.direction() + "_ENTRY_PRICE";
+    }
+
+    private final Map<String, String> variables;
+    private final JupiterPerpsService jupiterPerpsService;
+}

src/main/tjava/com/r35157/jupiterperpsalarm/impl/ref/PriceAlarm.tjava

@@ -1,11 +1,17 @@
 package com.r35157.jupiterperpsalarm.impl.ref;
 
+import java.math.BigDecimal;
 import java.time.Instant;
 
 public final class PriceAlarm {
 
-    public PriceAlarm(PriceAlarmDefinition definition, AlarmAction action) {
+    public PriceAlarm(
+            PriceAlarmDefinition definition,
+            AlarmVariableResolver variableResolver,
+            AlarmAction action
+    ) {
         this.definition = definition;
+        this.variableResolver = variableResolver;
         this.action = action;
     }
 
@@ -16,9 +22,23 @@ public final class PriceAlarm {
             );
         }
 
+        BigDecimal target;
+        try {
+            target = AlarmTargetParser.parse(
+                    variableResolver.resolve(definition.targetExpression())
+            );
+        } catch (RuntimeException exception) {
+            System.err.printf(
+                    "Could not resolve target for alarm %d: %s%n",
+                    definition.id(),
+                    exception.getMessage()
+            );
+            return;
+        }
+
         boolean reached = definition.direction().reached(
                 price.priceUsd(),
-                definition.target()
+                target
         );
 
         boolean enteredTriggeredSide = previousReached == null
@@ -37,13 +57,13 @@ public final class PriceAlarm {
                 return;
             }
 
-            trigger(price);
+            trigger(price, target);
             return;
         }
 
         if (definition.trigger() == AlarmTrigger.PERSISTENT) {
             if (lastTriggeredAt == null || persistentGracePeriodHasPassed()) {
-                trigger(price);
+                trigger(price, target);
             }
             return;
         }
@@ -75,13 +95,39 @@ public final class PriceAlarm {
         );
     }
 
-    private void trigger(OraclePrice price) {
+    private void trigger(OraclePrice price, BigDecimal target) {
         triggerCount++;
         lastTriggeredAt = Instant.now();
-        action.trigger(price, definition);
+
+        String note;
+
+        try {
+            note = variableResolver.resolve(definition.note());
+        } catch (RuntimeException exception) {
+            System.err.printf(
+                    "Could not resolve note for alarm %d: %s%n",
+                    definition.id(),
+                    exception.getMessage()
+            );
+            return;
+        }
+
+        ResolvedPriceAlarm resolvedAlarm = new ResolvedPriceAlarm(
+                definition.id(),
+                definition.asset(),
+                definition.direction(),
+                target,
+                definition.trigger(),
+                definition.triggerGracePeriod(),
+                definition.severity(),
+                note
+        );
+
+        action.trigger(price, resolvedAlarm);
     }
 
     private final PriceAlarmDefinition definition;
+    private final AlarmVariableResolver variableResolver;
     private final AlarmAction action;
 
     private Instant lastTriggeredAt;

src/main/tjava/com/r35157/jupiterperpsalarm/impl/ref/PriceAlarmDefinition.tjava

@@ -2,14 +2,13 @@ package com.r35157.jupiterperpsalarm.impl.ref;
 
 import com.r35157.jupiterperpsalarm.AlarmSeverity;
 
-import java.math.BigDecimal;
 import java.util.Objects;
 
 public record PriceAlarmDefinition(
         int id,
         JupiterPerpsAsset asset,
         PriceDirection direction,
-        BigDecimal target,
+        String targetExpression,
         AlarmTrigger trigger,
         ΩsecondsΩ triggerGracePeriod,
         AlarmSeverity severity,
@@ -18,12 +17,13 @@ public record PriceAlarmDefinition(
     public PriceAlarmDefinition {
         Objects.requireNonNull(asset, "asset");
         Objects.requireNonNull(direction, "direction");
-        Objects.requireNonNull(target, "target");
+        Objects.requireNonNull(targetExpression, "targetExpression");
         Objects.requireNonNull(trigger, "trigger");
+        Objects.requireNonNull(severity, "severity");
         Objects.requireNonNull(note, "note");
 
-        if (target.signum() < 0) {
-            throw new IllegalArgumentException("Target price cannot be negative (was: " + target.signum() + ")!");
+        if (targetExpression.isBlank()) {
+            throw new IllegalArgumentException("Target expression cannot be blank");
         }
 
         if (triggerGracePeriod < 0) {

src/main/tjava/com/r35157/jupiterperpsalarm/impl/ref/PushoverAlarmAction.tjava

@@ -18,7 +18,7 @@ public final class PushoverAlarmAction implements AlarmAction {
     }
 
     @Override
-    public void trigger(OraclePrice price, PriceAlarmDefinition alarm) {
+    public void trigger(OraclePrice price, ResolvedPriceAlarm alarm) {
         String title = "Jupiter Perps " + price.asset() + " alarm";
         String message = createMessage(price, alarm);
 
@@ -26,7 +26,7 @@ public final class PushoverAlarmAction implements AlarmAction {
                 form("user", userKey) + "&" +
                 form("title", title) + "&" +
                 form("message", message) + "&" +
-                createPushoverSeverityParameters(alarm.severity());;
+                createPushoverSeverityParameters(alarm.severity());
 
         HttpRequest request = HttpRequest.newBuilder(PUSHOVER_URI)
                 .timeout(Duration.ofSeconds(15))
@@ -69,7 +69,7 @@ public final class PushoverAlarmAction implements AlarmAction {
         };
     }
 
-    private static String createMessage(OraclePrice price, PriceAlarmDefinition alarm) {
+    private static String createMessage(OraclePrice price, ResolvedPriceAlarm alarm) {
         return String.format(
                 "%d - %s: %s%n%n%s is %s USD.%nTarget: %s %s USD.%nOracle time: %s.%nSlot: %d.",
                 alarm.id(),

src/main/tjava/com/r35157/jupiterperpsalarm/impl/ref/ResolvedPriceAlarm.tjava

@@ -0,0 +1,16 @@
+package com.r35157.jupiterperpsalarm.impl.ref;
+
+import com.r35157.jupiterperpsalarm.AlarmSeverity;
+import java.math.BigDecimal;
+
+public record ResolvedPriceAlarm(
+        int id,
+        JupiterPerpsAsset asset,
+        PriceDirection direction,
+        BigDecimal target,
+        AlarmTrigger trigger,
+        ΩsecondsΩ triggerGracePeriod,
+        AlarmSeverity severity,
+        String note
+) {
+}