problem: hardcoded methods are not available by default

fix: #295

Author: splix

src/main/kotlin/io/emeraldpay/dshackle/upstream/VerifyingReader.kt

@@ -19,7 +19,7 @@ class VerifyingReader(
     }
 
     override fun read(key: DshackleRequest): Mono<DshackleResponse> {
-        if (!methods.get().isCallable(key.method)) {
+        if (!methods.get().isAvailable(key.method)) {
             return Mono.error(RpcException(RpcResponseError.CODE_METHOD_NOT_EXIST, "Unsupported method: ${key.method}"))
         }
         return Mono.empty()

src/test/kotlin/io/emeraldpay/dshackle/upstream/VerifyingReaderTest.kt

@@ -18,19 +18,19 @@ class VerifyingReaderTest : ShouldSpec({
 
     should("Return empty for allowed method") {
         val methods = mockk<CallMethods>()
-        every { methods.isCallable("test_foo") } returns true
+        every { methods.isAvailable("test_foo") } returns true
         val reader = VerifyingReader(AtomicReference(methods))
 
         val act = reader.read(DshackleRequest("test_foo", emptyList()))
             .block(Duration.ofSeconds(1))
 
         act shouldBe null
-        verify(exactly = 1) { methods.isCallable(any()) }
+        verify(exactly = 1) { methods.isAvailable(any()) }
     }
 
     should("Return error for allowed method") {
         val methods = mockk<CallMethods>()
-        every { methods.isCallable("test_foo") } returns false
+        every { methods.isAvailable("test_foo") } returns false
         val reader = VerifyingReader(AtomicReference(methods))
 
         val t = shouldThrow<RpcException> {
@@ -41,6 +41,6 @@ class VerifyingReaderTest : ShouldSpec({
         t shouldNotBe null
         t.message!! should contain("Unsupported method: test_foo")
 
-        verify(exactly = 1) { methods.isCallable(any()) }
+        verify(exactly = 1) { methods.isAvailable(any()) }
     }
 })