Ton chain id validator

src/main/kotlin/io/emeraldpay/dshackle/upstream/ton/TonChainIdValidator.kt

@@ -0,0 +1,82 @@
+package io.emeraldpay.dshackle.upstream.ton
+
+import com.fasterxml.jackson.databind.JsonNode
+import com.fasterxml.jackson.module.kotlin.readValue
+import io.emeraldpay.dshackle.Chain
+import io.emeraldpay.dshackle.Global
+import io.emeraldpay.dshackle.upstream.ChainRequest
+import io.emeraldpay.dshackle.upstream.ChainResponse
+import io.emeraldpay.dshackle.upstream.SingleValidator
+import io.emeraldpay.dshackle.upstream.Upstream
+import io.emeraldpay.dshackle.upstream.ValidateUpstreamSettingsResult
+import io.emeraldpay.dshackle.upstream.rpcclient.RestParams
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+import reactor.core.publisher.Mono
+
+class TonChainIdValidator(
+    private val upstream: Upstream,
+    private val chain: Chain,
+) : SingleValidator<ValidateUpstreamSettingsResult> {
+
+    companion object {
+        private val log: Logger = LoggerFactory.getLogger(TonChainIdValidator::class.java)
+    }
+
+    override fun validate(onError: ValidateUpstreamSettingsResult): Mono<ValidateUpstreamSettingsResult> {
+        return upstream.getIngressReader()
+            .read(TonHttpSpecific.latestBlockRequest())
+            .flatMap(ChainResponse::requireResult)
+            .flatMap {
+                val tonMasterchainInfo = Global.objectMapper.readValue<TonMasterchainInfo>(it)
+
+                upstream.getIngressReader()
+                    .read(
+                        ChainRequest(
+                            "GET#/getBlockHeader",
+                            RestParams(
+                                emptyList(),
+                                listOf(
+                                    "workchain" to tonMasterchainInfo.result.last.workchain.toString(),
+                                    "shard" to tonMasterchainInfo.result.last.shard,
+                                    "seqno" to tonMasterchainInfo.result.last.seqno.toString(),
+                                ),
+                                emptyList(),
+                                ByteArray(0),
+                            ),
+                        ),
+                    )
+                    .flatMap(ChainResponse::requireResult)
+                    .flatMap { headerResponse ->
+                        val blockHeader = Global.objectMapper.readValue<JsonNode>(headerResponse)
+
+                        val globalId = blockHeader.get("result")?.get("global_id")?.asText()
+                        if (globalId == null) {
+                            log.warn(
+                                "Couldn't receive global_id from the block header of upstream {} for workchain {}, shard {}, seqno {}",
+                                upstream.getId(),
+                                tonMasterchainInfo.result.last.workchain,
+                                tonMasterchainInfo.result.last.shard,
+                                tonMasterchainInfo.result.last.seqno,
+                            )
+                            Mono.just(ValidateUpstreamSettingsResult.UPSTREAM_SETTINGS_ERROR)
+                        } else {
+                            if (globalId == chain.chainId) {
+                                Mono.just(ValidateUpstreamSettingsResult.UPSTREAM_VALID)
+                            } else {
+                                log.warn(
+                                    "Wrong chainId {} for {}, expected {}",
+                                    globalId,
+                                    chain,
+                                    chain.chainId,
+                                )
+                                Mono.just(ValidateUpstreamSettingsResult.UPSTREAM_FATAL_SETTINGS_ERROR)
+                            }
+                        }
+                    }
+            }.onErrorResume {
+                log.error("Error during chain validation of upstream {}, reason - {}", upstream.getId(), it.message)
+                Mono.just(onError)
+            }
+    }
+}

src/main/kotlin/io/emeraldpay/dshackle/upstream/ton/TonHttpSpecific.kt

@@ -87,7 +87,20 @@ object TonHttpSpecific : AbstractPollChainSpecific() {
         config: ChainConfig,
     ): List<SingleValidator<ValidateUpstreamSettingsResult>> {
         // add check generic block
-        return emptyList()
+        return listOf(
+            TonChainIdValidator(upstream, chain),
+        )
+    }
+
+    override fun chainSettingsValidator(
+        chain: Chain,
+        upstream: Upstream,
+        reader: ChainReader?,
+    ): SingleValidator<ValidateUpstreamSettingsResult>? {
+        if (upstream.getOptions().disableUpstreamValidation) {
+            return null
+        }
+        return TonChainIdValidator(upstream, chain)
     }
 }
 

src/test/kotlin/io/emeraldpay/dshackle/upstream/ton/TonChainIdValidatorTest.kt

@@ -0,0 +1,143 @@
+package io.emeraldpay.dshackle.upstream.ton
+
+import io.emeraldpay.dshackle.Chain
+import io.emeraldpay.dshackle.reader.ChainReader
+import io.emeraldpay.dshackle.upstream.ChainCallError
+import io.emeraldpay.dshackle.upstream.ChainRequest
+import io.emeraldpay.dshackle.upstream.ChainResponse
+import io.emeraldpay.dshackle.upstream.Upstream
+import io.emeraldpay.dshackle.upstream.ValidateUpstreamSettingsResult
+import io.emeraldpay.dshackle.upstream.rpcclient.RestParams
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.params.ParameterizedTest
+import org.junit.jupiter.params.provider.Arguments
+import org.junit.jupiter.params.provider.MethodSource
+import org.mockito.kotlin.argThat
+import org.mockito.kotlin.doReturn
+import org.mockito.kotlin.mock
+import org.mockito.kotlin.never
+import org.mockito.kotlin.verify
+import reactor.core.publisher.Mono
+import reactor.test.StepVerifier
+import java.time.Duration
+
+class TonChainIdValidatorTest {
+
+    @ParameterizedTest
+    @MethodSource("data")
+    fun `validate ton chainId`(
+        blockFilePath: String,
+        expectedResult: ValidateUpstreamSettingsResult,
+    ) {
+        val masterchainInfoBytes = this::class.java.getResource("/blocks/ton/masterchain-info.json")!!.readBytes()
+        val block = this::class.java.getResource(blockFilePath)!!.readBytes()
+        val blockReq = ChainRequest(
+            "GET#/getBlockHeader",
+            RestParams(
+                emptyList(),
+                listOf(
+                    "workchain" to "-1",
+                    "shard" to "-9223372036854775808",
+                    "seqno" to "41689287",
+                ),
+                emptyList(),
+                ByteArray(0),
+            ),
+        )
+        val reader = mock<ChainReader> {
+            on { read(ChainRequest("GET#/getMasterchainInfo", RestParams.emptyParams())) } doReturn
+                Mono.just(ChainResponse(masterchainInfoBytes, null))
+            on { read(blockReq) } doReturn Mono.just(ChainResponse(block, null))
+        }
+        val upstream = mock<Upstream> {
+            on { getIngressReader() } doReturn reader
+        }
+        val validator = TonChainIdValidator(upstream, Chain.TON__MAINNET)
+
+        StepVerifier.create(validator.validate(ValidateUpstreamSettingsResult.UPSTREAM_SETTINGS_ERROR))
+            .expectSubscription()
+            .expectNext(expectedResult)
+            .expectComplete()
+            .verify(Duration.ofSeconds(1))
+
+        verify(reader).read(ChainRequest("GET#/getMasterchainInfo", RestParams.emptyParams()))
+        verify(reader).read(blockReq)
+    }
+
+    @Test
+    fun `setting error if couldn't read from upstream getMasterchainInfo`() {
+        val reader = mock<ChainReader> {
+            on { read(ChainRequest("GET#/getMasterchainInfo", RestParams.emptyParams())) } doReturn
+                Mono.just(ChainResponse(null, ChainCallError(1, "Big error")))
+        }
+        val upstream = mock<Upstream> {
+            on { getIngressReader() } doReturn reader
+        }
+        val validator = TonChainIdValidator(upstream, Chain.TON__MAINNET)
+
+        StepVerifier.create(validator.validate(ValidateUpstreamSettingsResult.UPSTREAM_SETTINGS_ERROR))
+            .expectSubscription()
+            .expectNext(ValidateUpstreamSettingsResult.UPSTREAM_SETTINGS_ERROR)
+            .expectComplete()
+            .verify(Duration.ofSeconds(1))
+
+        verify(reader).read(ChainRequest("GET#/getMasterchainInfo", RestParams.emptyParams()))
+        verify(reader, never()).read(argThat { method == "GET#/getBlockHeader" })
+    }
+
+    @Test
+    fun `setting error if couldn't read from upstream getBlockHeader`() {
+        val masterchainInfoBytes = this::class.java.getResource("/blocks/ton/masterchain-info.json")!!.readBytes()
+        val blockReq = ChainRequest(
+            "GET#/getBlockHeader",
+            RestParams(
+                emptyList(),
+                listOf(
+                    "workchain" to "-1",
+                    "shard" to "-9223372036854775808",
+                    "seqno" to "41689287",
+                ),
+                emptyList(),
+                ByteArray(0),
+            ),
+        )
+        val reader = mock<ChainReader> {
+            on { read(ChainRequest("GET#/getMasterchainInfo", RestParams.emptyParams())) } doReturn
+                Mono.just(ChainResponse(masterchainInfoBytes, null))
+            on { read(blockReq) } doReturn Mono.just(ChainResponse(null, ChainCallError(1, "Super error")))
+        }
+        val upstream = mock<Upstream> {
+            on { getIngressReader() } doReturn reader
+        }
+        val validator = TonChainIdValidator(upstream, Chain.TON__MAINNET)
+
+        StepVerifier.create(validator.validate(ValidateUpstreamSettingsResult.UPSTREAM_SETTINGS_ERROR))
+            .expectSubscription()
+            .expectNext(ValidateUpstreamSettingsResult.UPSTREAM_SETTINGS_ERROR)
+            .expectComplete()
+            .verify(Duration.ofSeconds(1))
+
+        verify(reader).read(ChainRequest("GET#/getMasterchainInfo", RestParams.emptyParams()))
+        verify(reader).read(blockReq)
+    }
+
+    companion object {
+        @JvmStatic
+        fun data(): List<Arguments> {
+            return listOf(
+                Arguments.of(
+                    "/blocks/ton/ton-block.json",
+                    ValidateUpstreamSettingsResult.UPSTREAM_VALID,
+                ),
+                Arguments.of(
+                    "/blocks/ton/ton-block-wrong.json",
+                    ValidateUpstreamSettingsResult.UPSTREAM_FATAL_SETTINGS_ERROR,
+                ),
+                Arguments.of(
+                    "/blocks/ton/ton-block-missed-global-id.json",
+                    ValidateUpstreamSettingsResult.UPSTREAM_SETTINGS_ERROR,
+                ),
+            )
+        }
+    }
+}

src/test/resources/blocks/ton/masterchain-info.json

@@ -0,0 +1,24 @@
+{
+  "ok": true,
+  "result": {
+    "@type": "blocks.masterchainInfo",
+    "last": {
+      "@type": "ton.blockIdExt",
+      "workchain": -1,
+      "shard": "-9223372036854775808",
+      "seqno": 41689287,
+      "root_hash": "kOdzFs2iOVrpBVpD5Wt1o9Z+eTJIjGXxMurjuKiIJgg=",
+      "file_hash": "2gGZ8/7b8ztvtzPaDbzsWzxvCSvwMoct1v2l9jtV2G0="
+    },
+    "state_root_hash": "0mgSkvXs8QIO94ol3bxKxe0Jcu34eaB+/anKRgBkuQI=",
+    "init": {
+      "@type": "ton.blockIdExt",
+      "workchain": -1,
+      "shard": "0",
+      "seqno": 0,
+      "root_hash": "F6OpKZKqvqeFp6CQmFomXNMfMj2EnaUSOXN+Mh+wVWk=",
+      "file_hash": "XplPz01CXAps5qeSWUtxcyBfdAo5zVb1N979KLSKD24="
+    },
+    "@extra": "1730733199.581394:6:0.46521772491020763"
+  }
+}

src/test/resources/blocks/ton/ton-block-missed-global-id.json

@@ -0,0 +1,3 @@
+{
+  "ok": false
+}

src/test/resources/blocks/ton/ton-block-wrong.json

@@ -0,0 +1,15 @@
+{
+  "ok": true,
+  "result": {
+    "@type": "blocks.header",
+    "id": {
+      "@type": "ton.blockIdExt",
+      "workchain": -1,
+      "shard": "-9223372036854775808",
+      "seqno": 41689287,
+      "root_hash": "kOdzFs2iOVrpBVpD5Wt1o9Z+eTJIjGXxMurjuKiIJgg=",
+      "file_hash": "2gGZ8/7b8ztvtzPaDbzsWzxvCSvwMoct1v2l9jtV2G0="
+    },
+    "global_id": -3345
+  }
+}

src/test/resources/blocks/ton/ton-block.json

@@ -0,0 +1,15 @@
+{
+  "ok": true,
+  "result": {
+    "@type": "blocks.header",
+    "id": {
+      "@type": "ton.blockIdExt",
+      "workchain": -1,
+      "shard": "-9223372036854775808",
+      "seqno": 41689287,
+      "root_hash": "kOdzFs2iOVrpBVpD5Wt1o9Z+eTJIjGXxMurjuKiIJgg=",
+      "file_hash": "2gGZ8/7b8ztvtzPaDbzsWzxvCSvwMoct1v2l9jtV2G0="
+    },
+    "global_id": -239
+  }
+}