Created contract file with bytes content is not readable by services

[natanasow]

Description

When trying to deploy a bigger contract > 10KB via EthereumFlow, the created file can not be Hex.decoded in services if the content is Uint8Array

Log from services

network-node                 | 2022-06-29 10:47:38.324 WARN  106  PrefetchProcessor - Exception thrown during pre-fetch
network-node                 | org.bouncycastle.util.encoders.DecoderException: exception decoding Hex data: Index -128 out of bounds for length 128
network-node                 | 	at org.bouncycastle.util.encoders.Hex.decode(Hex.java:110) ~[bcprov-jdk15on-1.70.jar:1.70.0]
network-node                 | 	at com.hedera.services.txns.span.SpanMapManager.computeCallData(SpanMapManager.java:300) ~[?:?]
network-node                 | 	at com.hedera.services.txns.span.SpanMapManager.expandEthContext(SpanMapManager.java:217) ~[?:?]
network-node                 | 	at com.hedera.services.txns.span.SpanMapManager.expandEthereumSpan(SpanMapManager.java:163) ~[?:?]
network-node                 | 	at com.hedera.services.txns.ethereum.EthereumTransitionLogic.preFetch(EthereumTransitionLogic.java:170) ~[?:?]
network-node                 | 	at com.hedera.services.txns.prefetch.PrefetchProcessor.lambda$submit$1(PrefetchProcessor.java:104) ~[?:?]
network-node                 | 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) ~[?:?]
network-node                 | 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[?:?]
network-node                 | 	at java.lang.Thread.run(Thread.java:833) ~[?:?]
network-node                 | Caused by: java.lang.ArrayIndexOutOfBoundsException: Index -128 out of bounds for length 128
network-node                 | 	at org.bouncycastle.util.encoders.HexEncoder.decode(HexEncoder.java:152) ~[bcprov-jdk15on-1.70.jar:1.70.0]
network-node                 | 	at org.bouncycastle.util.encoders.Hex.decode(Hex.java:106) ~[bcprov-jdk15on-1.70.jar:1.70.0]
network-node                 | 	... 8 more
network-node                 | 2022-06-29 10:47:38.424 ERROR 110  StandardProcessLogic - Unhandled internal process failure
network-node                 | org.bouncycastle.util.encoders.DecoderException: exception decoding Hex data: Index -128 out of bounds for length 128
network-node                 | 	at org.bouncycastle.util.encoders.Hex.decode(Hex.java:110) ~[bcprov-jdk15on-1.70.jar:1.70.0]
network-node                 | 	at com.hedera.services.txns.span.SpanMapManager.computeCallData(SpanMapManager.java:300) ~[?:?]
network-node                 | 	at com.hedera.services.txns.span.SpanMapManager.expandEthContext(SpanMapManager.java:217) ~[?:?]
network-node                 | 	at com.hedera.services.txns.span.SpanMapManager.rationalizeEthereumSpan(SpanMapManager.java:191) ~[?:?]
network-node                 | 	at com.hedera.services.txns.span.SpanMapManager.rationalizeSpan(SpanMapManager.java:182) ~[?:?]
network-node                 | 	at com.hedera.services.txns.span.ExpandHandleSpan.accessorFor(ExpandHandleSpan.java:85) ~[?:?]
network-node                 | 	at com.hedera.services.state.logic.StandardProcessLogic.incorporateConsensusTxn(StandardProcessLogic.java:88) ~[?:?]
network-node                 | 	at com.hedera.services.ServicesState.handleTransaction(ServicesState.java:225) ~[?:?]
network-node                 | 	at com.swirlds.platform.state.TransactionHandler.handleTransaction(TransactionHandler.java:182) ~[swirlds-platform-core-0.26.2.jar:?]
network-node                 | 	at com.swirlds.platform.state.TransactionHandler.handleEventTransactions(TransactionHandler.java:129) ~[swirlds-platform-core-0.26.2.jar:?]
network-node                 | 	at com.swirlds.platform.state.TransactionHandler.handleEventTransactions(TransactionHandler.java:94) ~[swirlds-platform-core-0.26.2.jar:?]
network-node                 | 	at com.swirlds.platform.state.SwirldStateManagerDouble.handleConsensusRound(SwirldStateManagerDouble.java:137) ~[swirlds-platform-core-0.26.2.jar:?]
network-node                 | 	at com.swirlds.platform.eventhandling.ConsensusRoundHandler.applyConsensusRoundToState(ConsensusRoundHandler.java:300) ~[swirlds-platform-core-0.26.2.jar:?]
network-node                 | 	at com.swirlds.common.threading.framework.internal.QueueThreadImpl.waitForItem(QueueThreadImpl.java:241) ~[swirlds-common-0.26.2.jar:?]
network-node                 | 	at com.swirlds.common.threading.framework.internal.QueueThreadImpl.doWork(QueueThreadImpl.java:221) ~[swirlds-common-0.26.2.jar:?]
network-node                 | 	at com.swirlds.common.threading.framework.internal.StoppableThreadImpl.doWork(StoppableThreadImpl.java:549) ~[swirlds-common-0.26.2.jar:?]
network-node                 | 	at com.swirlds.common.threading.framework.internal.StoppableThreadImpl.run(StoppableThreadImpl.java:201) ~[swirlds-common-0.26.2.jar:?]
network-node                 | 	at java.lang.Thread.run(Thread.java:833) ~[?:?]
network-node                 | Caused by: java.lang.ArrayIndexOutOfBoundsException: Index -128 out of bounds for length 128
network-node                 | 	at org.bouncycastle.util.encoders.HexEncoder.decode(HexEncoder.java:152) ~[bcprov-jdk15on-1.70.jar:1.70.0]
network-node                 | 	at org.bouncycastle.util.encoders.Hex.decode(Hex.java:106) ~[bcprov-jdk15on-1.70.jar:1.70.0]
network-node                 | 	... 17 more

Steps to reproduce

1. Create a contract > 10 KB
2. Deploy it via EthereumFlow

Solution

Convert the Uint8Array callData to a hex string, before passing it to the FileCreate and FileAppend transactions.

Additional context

No response

Hedera network

other

Version

v2.16.4-beta.3

Operating system

Linux