ScanRange initialization changed

- only the matching priorities are allowed, otherwise fatalError

Sources/ZcashLightClientKit/Model/ScanRange.swift

@@ -18,18 +18,10 @@ struct ScanRange {
         case verify = 60
         
         init(_ value: UInt8) {
-            // the given priority matches the values
             if let priority = Priority(rawValue: value) {
                 self = priority
             } else {
-                // no match found, getting the one above the value
-                let valueNeeded = (value / 10) * 10 + 10
-                
-                if let priority = Priority(rawValue: valueNeeded) {
-                    self = priority
-                } else {
-                    fatalError("The value \(value) is out of the range of priorities.")
-                }
+                fatalError("The value \(value) is out of the range of priorities.")
             }
         }
     }

Tests/OfflineTests/CompactBlockProcessorActions/ProcessSuggestedScanRangesActionTests.swift

@@ -140,7 +140,6 @@ final class ProcessSuggestedScanRangesActionTests: ZcashTestCase {
     }
     
     func testScanRangePriorities() {
-        // matching priorities
         XCTAssertEqual(ScanRange.Priority(0), .ignored)
         XCTAssertEqual(ScanRange.Priority(10), .scanned)
         XCTAssertEqual(ScanRange.Priority(20), .historic)
@@ -148,13 +147,5 @@ final class ProcessSuggestedScanRangesActionTests: ZcashTestCase {
         XCTAssertEqual(ScanRange.Priority(40), .foundNote)
         XCTAssertEqual(ScanRange.Priority(50), .chainTip)
         XCTAssertEqual(ScanRange.Priority(60), .verify)
-        
-        // custom priorities
-        XCTAssertEqual(ScanRange.Priority(4), .scanned)
-        XCTAssertEqual(ScanRange.Priority(14), .historic)
-        XCTAssertEqual(ScanRange.Priority(24), .openAdjacent)
-        XCTAssertEqual(ScanRange.Priority(34), .foundNote)
-        XCTAssertEqual(ScanRange.Priority(44), .chainTip)
-        XCTAssertEqual(ScanRange.Priority(54), .verify)
     }
 }