128 lines
4.3 KiB
Groovy
128 lines
4.3 KiB
Groovy
/**
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* Copyright (c) 2019 ETCDEV GmbH
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* Copyright (c) 2020 EmeraldPay, Inc
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package io.emeraldpay.dshackle.upstream.ethereum
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import com.fasterxml.jackson.databind.ObjectMapper
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import io.emeraldpay.dshackle.Global
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import io.emeraldpay.dshackle.data.BlockContainer
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import io.emeraldpay.dshackle.test.TestingCommons
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import io.emeraldpay.dshackle.upstream.BlockValidator
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import io.emeraldpay.dshackle.upstream.forkchoice.MostWorkForkChoice
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import io.emeraldpay.etherjar.domain.BlockHash
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import io.emeraldpay.etherjar.rpc.json.BlockJson
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import reactor.core.publisher.Flux
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import reactor.test.StepVerifier
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import spock.lang.Specification
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import java.time.Instant
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class DefaultEthereumHeadSpec extends Specification {
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DefaultEthereumHead head = new DefaultEthereumHead(new MostWorkForkChoice(), BlockValidator.@Companion.ALWAYS_VALID)
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ObjectMapper objectMapper = Global.objectMapper
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def blocks = (10L..20L).collect { i ->
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BlockContainer.from(
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new BlockJson().tap {
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it.number = 10000L + i
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it.hash = BlockHash.from("0x3ec2ebf5d0ec474d0ac6bc50d2770d8409ad76e119968e7919f85d5ec89152" + i)
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it.totalDifficulty = 11 * i
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it.timestamp = Instant.now()
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})
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}
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def "Starts to follow"() {
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when:
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head.follow(Flux.just(blocks[0]))
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def act = head.flux
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then:
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StepVerifier.create(act)
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.expectNext(blocks[0])
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.expectComplete()
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}
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def "Follows normal order"() {
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when:
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head.follow(Flux.just(blocks[0], blocks[1], blocks[3]))
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def act = head.flux
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then:
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StepVerifier.create(act)
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.expectNext(blocks[0])
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.expectNext(blocks[1])
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.expectNext(blocks[3])
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.expectComplete()
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}
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def "Ignores old"() {
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when:
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head.follow(Flux.just(blocks[0], blocks[3], blocks[1]))
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def act = head.flux
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then:
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StepVerifier.create(act)
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.expectNext(blocks[0])
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.expectNext(blocks[3])
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.expectComplete()
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}
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def "Ignores repeating"() {
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when:
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head.follow(Flux.just(blocks[0], blocks[3], blocks[3], blocks[3], blocks[2], blocks[3]))
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def act = head.flux
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then:
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StepVerifier.create(act)
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.expectNext(blocks[0])
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.expectNext(blocks[3])
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.expectComplete()
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}
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def "Ignores less difficult"() {
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when:
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def block3less = BlockContainer.from(
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new BlockJson().tap {
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it.number = blocks[3].height
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it.hash = BlockHash.from(blocks[3].hash.value)
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it.totalDifficulty = blocks[3].difficulty - 1
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it.timestamp = Instant.now()
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})
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head.follow(Flux.just(blocks[0], blocks[3], block3less))
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def act = head.flux
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then:
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StepVerifier.create(act)
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.expectNext(blocks[0])
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.expectNext(blocks[3])
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.expectComplete()
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}
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def "Replaces with more difficult"() {
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when:
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def block3less = BlockContainer.from(
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new BlockJson().tap {
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it.number = blocks[3].height
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it.hash = BlockHash.from(blocks[3].hash.value)
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it.totalDifficulty = blocks[3].difficulty + 1
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it.timestamp = Instant.now()
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})
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head.follow(Flux.just(blocks[0], blocks[3], block3less))
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def act = head.flux
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then:
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StepVerifier.create(act)
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.expectNext(blocks[0])
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.expectNext(block3less)
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.expectComplete()
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}
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}
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