feat(core): update session, security system and QR exchange

- Removed session creation and Lightning payment logic
- Refactored security system:
  * no more restrictions
  * all systems enabled on session creation
- Improved QR code exchange for mobile devices

node_modules/html5-qrcode/es2015/state-manager.js

@@ -0,0 +1,101 @@
+export var Html5QrcodeScannerState;
+(function (Html5QrcodeScannerState) {
+    Html5QrcodeScannerState[Html5QrcodeScannerState["UNKNOWN"] = 0] = "UNKNOWN";
+    Html5QrcodeScannerState[Html5QrcodeScannerState["NOT_STARTED"] = 1] = "NOT_STARTED";
+    Html5QrcodeScannerState[Html5QrcodeScannerState["SCANNING"] = 2] = "SCANNING";
+    Html5QrcodeScannerState[Html5QrcodeScannerState["PAUSED"] = 3] = "PAUSED";
+})(Html5QrcodeScannerState || (Html5QrcodeScannerState = {}));
+class StateManagerImpl {
+    constructor() {
+        this.state = Html5QrcodeScannerState.NOT_STARTED;
+        this.onGoingTransactionNewState = Html5QrcodeScannerState.UNKNOWN;
+    }
+    directTransition(newState) {
+        this.failIfTransitionOngoing();
+        this.validateTransition(newState);
+        this.state = newState;
+    }
+    startTransition(newState) {
+        this.failIfTransitionOngoing();
+        this.validateTransition(newState);
+        this.onGoingTransactionNewState = newState;
+        return this;
+    }
+    execute() {
+        if (this.onGoingTransactionNewState
+            === Html5QrcodeScannerState.UNKNOWN) {
+            throw "Transaction is already cancelled, cannot execute().";
+        }
+        const tempNewState = this.onGoingTransactionNewState;
+        this.onGoingTransactionNewState = Html5QrcodeScannerState.UNKNOWN;
+        this.directTransition(tempNewState);
+    }
+    cancel() {
+        if (this.onGoingTransactionNewState
+            === Html5QrcodeScannerState.UNKNOWN) {
+            throw "Transaction is already cancelled, cannot cancel().";
+        }
+        this.onGoingTransactionNewState = Html5QrcodeScannerState.UNKNOWN;
+    }
+    getState() {
+        return this.state;
+    }
+    failIfTransitionOngoing() {
+        if (this.onGoingTransactionNewState
+            !== Html5QrcodeScannerState.UNKNOWN) {
+            throw "Cannot transition to a new state, already under transition";
+        }
+    }
+    validateTransition(newState) {
+        switch (this.state) {
+            case Html5QrcodeScannerState.UNKNOWN:
+                throw "Transition from unknown is not allowed";
+            case Html5QrcodeScannerState.NOT_STARTED:
+                this.failIfNewStateIs(newState, [Html5QrcodeScannerState.PAUSED]);
+                break;
+            case Html5QrcodeScannerState.SCANNING:
+                break;
+            case Html5QrcodeScannerState.PAUSED:
+                break;
+        }
+    }
+    failIfNewStateIs(newState, disallowedStatesToTransition) {
+        for (const disallowedState of disallowedStatesToTransition) {
+            if (newState === disallowedState) {
+                throw `Cannot transition from ${this.state} to ${newState}`;
+            }
+        }
+    }
+}
+export class StateManagerProxy {
+    constructor(stateManager) {
+        this.stateManager = stateManager;
+    }
+    startTransition(newState) {
+        return this.stateManager.startTransition(newState);
+    }
+    directTransition(newState) {
+        this.stateManager.directTransition(newState);
+    }
+    getState() {
+        return this.stateManager.getState();
+    }
+    canScanFile() {
+        return this.stateManager.getState() === Html5QrcodeScannerState.NOT_STARTED;
+    }
+    isScanning() {
+        return this.stateManager.getState() !== Html5QrcodeScannerState.NOT_STARTED;
+    }
+    isStrictlyScanning() {
+        return this.stateManager.getState() === Html5QrcodeScannerState.SCANNING;
+    }
+    isPaused() {
+        return this.stateManager.getState() === Html5QrcodeScannerState.PAUSED;
+    }
+}
+export class StateManagerFactory {
+    static create() {
+        return new StateManagerProxy(new StateManagerImpl());
+    }
+}
+//# sourceMappingURL=state-manager.js.map