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solution: better handle for minor upstream errors

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This commit is contained in:
Igor Artamonov
2019-10-16 20:58:57 -04:00
parent cd1a7d1b91
commit ff9bcefe25
2 changed files with 16 additions and 5 deletions
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5
src/main/kotlin/io/emeraldpay/dshackle/rpc/TrackTx.kt
View File

@@ -25,6 +25,7 @@ import io.emeraldpay.grpc.Chain
import io.infinitape.etherjar.domain.BlockHash
import io.infinitape.etherjar.domain.TransactionId
import io.infinitape.etherjar.rpc.Commands
import io.infinitape.etherjar.rpc.RpcException
import io.infinitape.etherjar.rpc.json.BlockJson
import io.infinitape.etherjar.rpc.json.TransactionJson
import io.infinitape.etherjar.rpc.json.TransactionRefJson
@@ -252,6 +253,10 @@ class TrackTx(
val execution = upstream.getApi(Selector.empty)
.flatMap { api -> api.executeAndConvert(Commands.eth().getTransaction(tx.txid)) }
return execution
.onErrorResume(RpcException::class.java) { t ->
log.warn("Upstream error, ignoring. {}", t.rpcMessage)
Mono.empty<TransactionJson>()
}
.flatMap { updateFromBlock(upstream, tx, it) }
.doOnError { t ->
log.error("Failed to load tx block", t)

16
src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/DirectEthereumApi.kt
View File

@@ -18,10 +18,9 @@ package io.emeraldpay.dshackle.upstream.ethereum
import com.fasterxml.jackson.databind.ObjectMapper
import io.emeraldpay.dshackle.Defaults
import io.emeraldpay.dshackle.upstream.CallMethods
import io.infinitape.etherjar.rpc.ReactorBatch
import io.infinitape.etherjar.rpc.ReactorRpcClient
import io.infinitape.etherjar.rpc.RpcCall
import io.infinitape.etherjar.rpc.RpcException
import io.grpc.Status
import io.grpc.StatusRuntimeException
import io.infinitape.etherjar.rpc.*
import io.infinitape.etherjar.rpc.json.ResponseJson
import org.slf4j.LoggerFactory
import reactor.core.publisher.Mono
@@ -52,11 +51,18 @@ open class DirectEthereumApi(
resp.result = it
objectMapper.writer().writeValueAsBytes(resp)
}
.onErrorResume(StatusRuntimeException::class.java) { t ->
if (t.status.code == Status.Code.CANCELLED) {
Mono.empty<ByteArray>()
} else {
Mono.error(RpcException(RpcResponseError.CODE_UPSTREAM_CONNECTION_ERROR, "gRPC error ${t.status}"))
}
}
.onErrorMap { t ->
if (RpcException::class.java.isAssignableFrom(t.javaClass)) {
t
} else {
log.warn("Convert to RPC error. Exception: ${t.message}")
log.warn("Convert to RPC error. Exception ${t.javaClass}:${t.message}", t)
RpcException(-32020, "Error reading from upstream", null, t)
}
}