Chunk huge responses (#292)

2023-08-30 15:56:50 +04:00
parent 04acc7f3bf
commit b43d282cac
11 changed files with 515 additions and 13 deletions
--- a/src/main/kotlin/io/emeraldpay/dshackle/rpc/BlockchainRpc.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/rpc/BlockchainRpc.kt
@@ -43,7 +43,7 @@ import java.util.concurrent.TimeUnit
@Service
@DependsOn("monitoringSetup")
 class BlockchainRpc(
-    private val nativeCall: NativeCall,
+    private val nativeCallStream: NativeCallStream,
    private val nativeSubscribe: NativeSubscribe,
    private val streamHead: StreamHead,
    private val trackTx: List<TrackTx>,
@@ -78,7 +78,7 @@ class BlockchainRpc(
        var startTime = 0L
        var metrics: RequestMetrics? = null
        val idsMap = mutableMapOf<Int, String>()
-        return nativeCall.nativeCall(
+        return nativeCallStream.nativeCall(
            request
                .subscribeOn(scheduler)
                .doOnNext { req ->
--- a/src/main/kotlin/io/emeraldpay/dshackle/rpc/NativeCallStream.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/rpc/NativeCallStream.kt
@@ -0,0 +1,69 @@
+package io.emeraldpay.dshackle.rpc
+
+import com.google.protobuf.ByteString
+import io.emeraldpay.api.proto.BlockchainOuterClass.NativeCallReplyItem
+import io.emeraldpay.api.proto.BlockchainOuterClass.NativeCallRequest
+import org.springframework.stereotype.Service
+import reactor.core.publisher.Flux
+import reactor.core.publisher.Mono
+import kotlin.math.min
+
+@Service
+class NativeCallStream(
+    private val nativeCall: NativeCall,
+) {
+
+    fun nativeCall(
+        requestMono: Mono<NativeCallRequest>
+    ): Flux<NativeCallReplyItem> {
+        return requestMono.flatMapMany { req ->
+            nativeCall.nativeCall(Mono.just(req))
+                .map { StreamNativeResult(it, req.chunkSize) }
+                .transform {
+                    if (!req.sorted || req.itemsList.size == 1) {
+                        it
+                    } else {
+                        it.sort { o1, o2 -> o1.response.id - o2.response.id }
+                    }
+                }
+        }.concatMap {
+            val chunkSize = it.chunkSize
+            val response = it.response
+            if (chunkSize == 0 || response.payload.size() <= chunkSize || !response.succeed) {
+                Mono.just(response)
+            } else {
+                Flux.fromIterable(chunks(response, chunkSize))
+            }
+        }
+    }
+
+    private fun chunks(response: NativeCallReplyItem, chunkSize: Int): List<NativeCallReplyItem> {
+        val chunks = mutableListOf<ByteString>()
+        val responseBytes = response.payload
+
+        for (i in 0 until responseBytes.size() step+chunkSize) {
+            chunks.add(responseBytes.substring(i, min(i + chunkSize, responseBytes.size())))
+        }
+
+        return chunks
+            .mapIndexed { index, bytes ->
+                NativeCallReplyItem.newBuilder()
+                    .apply {
+                        id = response.id
+                        payload = bytes
+                        succeed = true
+                        upstreamId = response.upstreamId
+                        chunked = true
+                        finalChunk = index == chunks.size - 1
+                        if (this.finalChunk && response.hasSignature()) {
+                            signature = response.signature
+                        }
+                    }.build()
+            }
+    }
+
+    private data class StreamNativeResult(
+        val response: NativeCallReplyItem,
+        val chunkSize: Int
+    )
+}
--- a/src/main/kotlin/io/emeraldpay/dshackle/rpc/SubscribeNodeStatus.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/rpc/SubscribeNodeStatus.kt
@@ -176,6 +176,6 @@ class SubscribeNodeStatus(

    private fun buildStatus(status: UpstreamAvailability, height: Long?): NodeStatus.Builder =
        NodeStatus.newBuilder()
-            .setAvailability(BlockchainOuterClass.AvailabilityEnum.forNumber(status.grpcId))
+            .setAvailability(Common.AvailabilityEnum.forNumber(status.grpcId))
            .setCurrentHeight(height ?: 0)
 }
--- a/src/main/kotlin/io/emeraldpay/dshackle/rpc/SubscribeStatus.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/rpc/SubscribeStatus.kt
@@ -51,7 +51,7 @@ class SubscribeStatus(

    fun chainUnavailable(chain: Chain): BlockchainOuterClass.ChainStatus {
        return BlockchainOuterClass.ChainStatus.newBuilder()
-            .setAvailability(BlockchainOuterClass.AvailabilityEnum.AVAIL_UNAVAILABLE)
+            .setAvailability(Common.AvailabilityEnum.AVAIL_UNAVAILABLE)
            .setChain(Common.ChainRef.forNumber(chain.id))
            .setQuorum(0)
            .build()
@@ -66,7 +66,7 @@ class SubscribeStatus(
            0
        }
        return BlockchainOuterClass.ChainStatus.newBuilder()
-            .setAvailability(BlockchainOuterClass.AvailabilityEnum.forNumber(available.grpcId))
+            .setAvailability(Common.AvailabilityEnum.forNumber(available.grpcId))
            .setChain(Common.ChainRef.forNumber(chain.id))
            .setQuorum(quorum)
            .build()
--- a/src/test/groovy/io/emeraldpay/dshackle/rpc/SubscribeStatusSpec.groovy
+++ b/src/test/groovy/io/emeraldpay/dshackle/rpc/SubscribeStatusSpec.groovy
@@ -47,7 +47,7 @@ class SubscribeStatusSpec extends Specification {
        then:
        StepVerifier.create(act)
                .expectNextMatches {
-                    it.chainValue == Chain.ETHEREUM__MAINNET.id && it.availability == BlockchainOuterClass.AvailabilityEnum.AVAIL_OK
+                    it.chainValue == Chain.ETHEREUM__MAINNET.id && it.availability == Common.AvailabilityEnum.AVAIL_OK
                }
                .expectComplete()
                .verify(Duration.ofSeconds(3))
--- a/src/test/groovy/io/emeraldpay/dshackle/upstream/MultistreamSpec.groovy
+++ b/src/test/groovy/io/emeraldpay/dshackle/upstream/MultistreamSpec.groovy
@@ -17,6 +17,7 @@
 package io.emeraldpay.dshackle.upstream

 import io.emeraldpay.api.proto.BlockchainOuterClass
+import io.emeraldpay.api.proto.Common
 import io.emeraldpay.dshackle.Chain
 import io.emeraldpay.dshackle.cache.Caches
 import io.emeraldpay.dshackle.config.UpstreamsConfig
@@ -260,17 +261,17 @@ class MultistreamSpec extends Specification {
        ms.onUpstreamChange(
                new UpstreamChangeEvent(Chain.ETHEREUM__MAINNET, up2, UpstreamChangeEvent.ChangeType.ADDED)
        )
-        up1.onStatus(status(BlockchainOuterClass.AvailabilityEnum.AVAIL_UNAVAILABLE))
-        up2.onStatus(status(BlockchainOuterClass.AvailabilityEnum.AVAIL_OK))
-        up1.onStatus(status(BlockchainOuterClass.AvailabilityEnum.AVAIL_OK))
+        up1.onStatus(status(Common.AvailabilityEnum.AVAIL_UNAVAILABLE))
+        up2.onStatus(status(Common.AvailabilityEnum.AVAIL_OK))
+        up1.onStatus(status(Common.AvailabilityEnum.AVAIL_OK))
        then:
        assert ms.getMethods().supportedMethods == Set.of("eth_test1", "eth_test2", "eth_test3")
        when:
-        up1.onStatus(status(BlockchainOuterClass.AvailabilityEnum.AVAIL_SYNCING))
+        up1.onStatus(status(Common.AvailabilityEnum.AVAIL_SYNCING))
        then:
        assert ms.getMethods().supportedMethods == Set.of("eth_test1", "eth_test2")
        when:
-        up1.onStatus(status(BlockchainOuterClass.AvailabilityEnum.AVAIL_OK))
+        up1.onStatus(status(Common.AvailabilityEnum.AVAIL_OK))
        then:
        assert ms.getMethods().supportedMethods == Set.of("eth_test1", "eth_test2", "eth_test3")
    }
@@ -305,7 +306,7 @@ class MultistreamSpec extends Specification {
                .verify(Duration.ofSeconds(3))
    }

-    private BlockchainOuterClass.ChainStatus status(BlockchainOuterClass.AvailabilityEnum status) {
+    private BlockchainOuterClass.ChainStatus status(Common.AvailabilityEnum status) {
        return BlockchainOuterClass.ChainStatus.newBuilder()
                .setAvailability(status)
                .build()
--- a/src/test/kotlin/io/emeraldpay/dshackle/rpc/NativeCallStreamTest.kt
+++ b/src/test/kotlin/io/emeraldpay/dshackle/rpc/NativeCallStreamTest.kt
@@ -0,0 +1,173 @@
+package io.emeraldpay.dshackle.rpc
+
+import com.fasterxml.jackson.databind.JsonNode
+import com.google.protobuf.ByteString
+import io.emeraldpay.api.proto.BlockchainOuterClass
+import io.emeraldpay.api.proto.BlockchainOuterClass.NativeCallRequest
+import io.emeraldpay.dshackle.Global
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.api.Test
+import org.mockito.kotlin.any
+import org.mockito.kotlin.doReturn
+import org.mockito.kotlin.mock
+import org.springframework.util.ResourceUtils
+import reactor.core.publisher.Flux
+import reactor.core.publisher.Mono
+import reactor.test.StepVerifier
+import java.time.Duration
+
+class NativeCallStreamTest {
+    private val upstreamId = "upstreamId"
+    private val mapper = Global.objectMapper
+
+    @Test
+    fun `streaming response is equal to the original response`() {
+        val responseFile = ResourceUtils.getFile("classpath:responses/get-by-number-response.json")
+        val response = mapper.writeValueAsBytes(mapper.readValue(responseFile, JsonNode::class.java))
+        val nativeCallResponse = BlockchainOuterClass.NativeCallReplyItem.newBuilder()
+            .setId(1)
+            .setSucceed(true)
+            .setUpstreamId(upstreamId)
+            .setPayload(ByteString.copyFrom(response))
+            .build()
+        val nativeCallMock = mock<NativeCall> {
+            on { nativeCall(any()) } doReturn Flux.just(nativeCallResponse)
+        }
+        val nativeCallStream = NativeCallStream(nativeCallMock)
+        val req = Mono.just(
+            NativeCallRequest.newBuilder()
+                .setChunkSize(1000)
+                .build()
+        )
+
+        val result = nativeCallStream.nativeCall(req)
+            .collectList()
+            .block()!!
+            .map { it.payload.toByteArray() }
+            .reduce { acc, bytes -> acc.plus(bytes) }
+
+        assertTrue(response.contentEquals(result))
+    }
+
+    @Test
+    fun `streaming responses is correct`() {
+        val response = "\"0x1126938\"".toByteArray()
+        val nativeCallResponse = BlockchainOuterClass.NativeCallReplyItem.newBuilder()
+            .setId(15)
+            .setSucceed(true)
+            .setUpstreamId(upstreamId)
+            .setPayload(ByteString.copyFrom(response))
+            .build()
+        val nativeCallMock = mock<NativeCall> {
+            on { nativeCall(any()) } doReturn Flux.just(nativeCallResponse)
+        }
+        val nativeCallStream = NativeCallStream(nativeCallMock)
+        val req = Mono.just(
+            NativeCallRequest.newBuilder()
+                .setChunkSize(5)
+                .build()
+        )
+
+        val chunkResponse: (Int) -> BlockchainOuterClass.NativeCallReplyItem.Builder = { id ->
+            BlockchainOuterClass.NativeCallReplyItem.newBuilder()
+                .setId(id)
+                .setChunked(true)
+                .setSucceed(true)
+                .setUpstreamId(upstreamId)
+        }
+
+        val result = nativeCallStream.nativeCall(req)
+
+        StepVerifier.create(result)
+            .expectNext(
+                chunkResponse(15)
+                    .setPayload(ByteString.copyFrom("\"0x11".toByteArray()))
+                    .build()
+            )
+            .expectNext(
+                chunkResponse(15)
+                    .setPayload(ByteString.copyFrom("26938".toByteArray()))
+                    .build()
+            )
+            .expectNext(
+                chunkResponse(15)
+                    .setFinalChunk(true)
+                    .setPayload(ByteString.copyFrom("\"".toByteArray()))
+                    .build()
+            )
+            .expectComplete()
+            .verify(Duration.ofSeconds(3))
+    }
+
+    @Test
+    fun `no streaming if response is too small`() {
+        val response = "\"0x1\"".toByteArray()
+        val nativeCallResponse = BlockchainOuterClass.NativeCallReplyItem.newBuilder()
+            .setId(15)
+            .setSucceed(true)
+            .setUpstreamId(upstreamId)
+            .setPayload(ByteString.copyFrom(response))
+            .build()
+        val nativeCallMock = mock<NativeCall> {
+            on { nativeCall(any()) } doReturn Flux.just(nativeCallResponse)
+        }
+        val nativeCallStream = NativeCallStream(nativeCallMock)
+        val req = Mono.just(
+            NativeCallRequest.newBuilder()
+                .setChunkSize(1000)
+                .build()
+        )
+
+        val result = nativeCallStream.nativeCall(req)
+
+        StepVerifier.create(result)
+            .expectNext(
+                nativeCallResponse
+            )
+            .expectComplete()
+            .verify(Duration.ofSeconds(3))
+    }
+
+    @Test
+    fun `sort responses by request id is correct`() {
+        val response = "\"0x1\"".toByteArray()
+        val response2 = "\"0x2\"".toByteArray()
+        val response3 = "\"0x3\"".toByteArray()
+
+        val nativeCallResponse: (Int, ByteArray) -> BlockchainOuterClass.NativeCallReplyItem = { id, resp ->
+            BlockchainOuterClass.NativeCallReplyItem.newBuilder()
+                .setId(id)
+                .setChunked(true)
+                .setSucceed(true)
+                .setUpstreamId(upstreamId)
+                .setPayload(ByteString.copyFrom(resp))
+                .build()
+        }
+        val nativeCallMock = mock<NativeCall> {
+            on { nativeCall(any()) } doReturn Flux.just(
+                nativeCallResponse(1, response), nativeCallResponse(2, response2), nativeCallResponse(3, response3)
+            ).flatMap {
+                when (it.id) {
+                    1 -> Mono.just(it).delayElement(Duration.ofMillis(200))
+                    2 -> Mono.just(it).delayElement(Duration.ofMillis(100))
+                    else -> Mono.just(it)
+                }
+            }
+        }
+        val nativeCallStream = NativeCallStream(nativeCallMock)
+        val req = Mono.just(
+            NativeCallRequest.newBuilder()
+                .setSorted(true)
+                .build()
+        )
+
+        val result = nativeCallStream.nativeCall(req)
+
+        StepVerifier.create(result)
+            .expectNextMatches { it.payload.toByteArray().contentEquals(response) }
+            .expectNextMatches { it.payload.toByteArray().contentEquals(response2) }
+            .expectNextMatches { it.payload.toByteArray().contentEquals(response3) }
+            .expectComplete()
+            .verify(Duration.ofSeconds(3))
+    }
+}
--- a/src/test/resources/responses/get-by-number-response.json
+++ b/src/test/resources/responses/get-by-number-response.json
@@ -0,0 +1,256 @@
+{
+  "baseFeePerGas": "0x531245500",
+  "difficulty": "0x0",
+  "extraData": "0x546974616e2028746974616e6275696c6465722e78797a29",
+  "gasLimit": "0x1c9c380",
+  "gasUsed": "0xe873fe",
+  "hash": "0xa78b98d7f2d89f043eed3dcb913994eafea2cfceb7c5a0bfe54e74a5751bba77",
+  "logsBloom": "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",
+  "miner": "0xe94f1fa4f27d9d288ffea234bb62e1fbc086ca0c",
+  "mixHash": "0xab53a95a14779a4c6bd4ebf80dd198cee9eae15107ea05f077b383671b2dbc1c",
+  "nonce": "0x0000000000000000",
+  "number": "0x1126d31",
+  "parentHash": "0x4d7cf3a84149c9d2802e1f4d1665248b800fd0699d361eb094f1b89fa714880e",
+  "receiptsRoot": "0x00a47493c97b24ed3ecd8566381aacd3d604b6d39ee9eb9041a4bc4ba0bca8e9",
+  "sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
+  "size": "0x51076",
+  "stateRoot": "0x616bf9ab6b4aa0a454fe96ac3551e2c13e3bc2215b11ba08931575b83e24c97f",
+  "timestamp": "0x64e758e7",
+  "totalDifficulty": "0xc70d815d562d3cfa955",
+  "transactions": [
+    "0x99e52a94cfdf83a5bdadcd2e25c71574a5a24fa4df56a33f9f8b5cb6fa0ac657",
+    "0x682a1a48ad5533b2300f9cd8410916368cba14e572ac5a2152f351167a1af593",
+    "0xf1f8da9d3b25882030d44f07c677f3f026a1dc8b5875dbec20fcb067acec1b0d",
+    "0x01a749cf123410310acf7e39f813f1e2afea5be1531a5f2d38448ab76e629ce8",
+    "0xe4c6e217f8dcd988a71ed7f75e53e337c61f70827a20f19f0f42383f5dee3e90",
+    "0x66c41ef41e32aeb1001ce0b74734d77488982fa94741f903662e01b836489c49",
+    "0x7cf7edd7113460852b379ad2b855013ab74e5022b21a33bcb50c30175fb1d994",
+    "0xdd9df85fd28191940ffa3c0dcdad920f34524d04a544ffc460c6f71afa0a7f43",
+    "0xb979ad5861f3bafc4ca5972b7bf161783aceb28ec3e2622c08b4063db37ad211",
+    "0x59955ade006d40aac8130450adf870288343d1d219b92d9a6f234908bfd863b5",
+    "0x811d044f89d64c985045481119d6ee67ea924396798f24799801f88c2da844d1",
+    "0x200dc5afdf9311594df24145d3a5f79d1ec14ced3b37a2f771839a469af56ba2",
+    "0x1fd3a62d91129831b29c89f6a54b879a25e13df872bc75441f85c919b8876173",
+    "0x07dd9cffb9a097fd8e04229045c69fbd840aa41b413e7b5d19e23ba7bdc58aae",
+    "0xdddd9d9e6b6a424381377311dc9b081cbc417462f22006943dac9f7a18a64960",
+    "0x99a05cc5f100d8d4cb346b38f0019bd6c60387726cd12edb75458e064927e17a",
+    "0x5f42b5f6566bc0cd3b5b2dec6d69d911b565cbe50ebac99c85d636294e990470",
+    "0x869687f58839efc9b297c4e78fd7ced0e2a54d36ece0140926c8ce21b8ac6336",
+    "0xbffa33aa3df990e0105670c2f04f326b50e2873c8faaa4a6cba6a604aced36d3",
+    "0xdbf0936d077bec717145a1dcd53f3065d6acf301b4ef6694469b72fac6ee66c7",
+    "0x28e45628603d37211471e6bf1ab5fe238ce5a75e6686b15533b0c281b6b5da16",
+    "0x216eab3b2edde19b253333a6571d0f60af39fd5c6235ff1ad5e4e4275977cd18",
+    "0x42420062730ee7782f63bd99516eac8cbde951eaab62d7fa001892ae19574c9a",
+    "0xbfd7192033f81ed3cba36c3df6c6231e63f0a822e879356f0ed0d5d2557a597f",
+    "0xfc8dc8383489d932126bd806cdc0710d6e39fa8332f40325d1606bd75caeae03",
+    "0xf213ec9bdf76ac8d8fb891243c83b90404db380fbb04309b62dec4df8503ef0b",
+    "0x16766af541e17d4a0ab7ada18484aec45f12d4ace017cb18d8cd6d030176fa5b",
+    "0x33298461c6ad7feb59510465cbe74cd08297da31022536012c61dbc9513d0f0c",
+    "0x3518a26a8ef5d7cc7280a03f2bfc29b48583e87f0cc21772671a683b27fcb569",
+    "0xdff2e6d31ccc4cf7bef2137d257a926d0386043856b331d56c907dab7567808a",
+    "0x300599c89a704dbbb57a3939f3dd12fe69bab334a77cc627bfbaddbe1814acc2",
+    "0x6c87bf67109ab37d9b646106d109a2f64e83fa752f887e735029d6f5fca9af1c",
+    "0x1882506af9f2794a66158ef3a1d468c1043c5875a0a8167ecb076ff0b5ecffc3",
+    "0xca363eecb0b1980539a88c7a551c69b1230aaa6a5abf9d29ba85c43049694e1d",
+    "0xc02d7c0ed86f112199339640bafa2217fceb5b3cbb17345155230950ab7ae5cd",
+    "0x1bf3f981e09037270a09cf0b83fe59cd09317a00d1111c20e1234b351a339260",
+    "0xde7a67cf88386a01c6d9fd71ecd944b99b369e201dc8375b99fc24562a21674d",
+    "0x04ae0a42862e82e0959f6df4865bf59e5c6c069dbf961960a13825ff2e1819f1",
+    "0xb0f873043c129b4a78664cdc069f961708871cc6f5467fe23230cf760d5a5d33",
+    "0x3fba4073aa954386d166c513744ad12ff69f2c8dfbe7c1f741220c4976f65e5f",
+    "0x1967e1aac0abb78770854c712b68dbb7ec261121059e0e2a8846458fbd57fa69",
+    "0x3775c9c3d34380090e969117a63b05b77df794fea4f10d697e9b43343264cb0a",
+    "0xa932537509e19e6b570cc8cb7fd8dbee5999a20dc23e3653ae02ccbc6e7f0010",
+    "0x4ca1c2a36015cc41a6caeed8e3dd4ba983bfb50fe943788dd5206df4bf6a4080",
+    "0xd8cbbee7e5d046981a11c04048fe1bfeb07ef7ceeed49c2d3bada9452032c5aa",
+    "0x26cca178594e3b43a4c925c2c52e00629017d3b2151ed163c9bed0672e40cb41",
+    "0x4407920a4402f88cb64ae923952973022450d42782b153978ef666fea29cea60",
+    "0x8efa29732c1104c8bf43cd56b8cb8a2af09b2986b12071ff9824bf3b722a7aa7",
+    "0x13a95e853a7d3db90a252af570456d92aafe5a6a37a9a88bcd1b439cf78b1a79",
+    "0x47247bd1a0e0f110acddc685ad93f3776170dffa21ddd7a8569f193145801732",
+    "0xc770c40390c4ce058ab59f25de98eb1d38b231ce812ee14aea98e3816fe38d67",
+    "0x05d69d25ccc43285fa0b3cbb8714cff6d41dd0a922a5b0993edda9007e5a39ce",
+    "0x98b60d945983410e681e6f398d5202acec6c0314f8052ee165aa77591dbc7cf0",
+    "0x5378af36ece74dc7f1d7cba34179b87bdfe20980733ba4b6c29c73895a366f43",
+    "0xff2532c6a2c0ca799297b0347ab90ce72ce3c92676b54d803cbbb17387aa7a01",
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