[BOUNTY] fix mobile WLCj wallet for android

[rik8119]

Hello everyone,

i tried to modified a mobile wallet that was first programmed by Hashengineering for digitalcoin. The wallet was modified for freicoin. As i am using a fork of freicoin i modified the freicoinj wallet as far as possible.

As mvn make clean install produces too many errors for me to handle i switched of the tests and tested the wallet on my phone. I was able to install it and it is connecting to some nodes, but it is not downloading any blocks although it produces a lot of traffic. My guess was that the genesisblock hash does not fit. But as i am not really able to debug it i am not shure.

The wallet is mostly finished so i put a bounty of 0.5 BTC plus 10k FRC for getting the WLC wallet fixed (www.github.com/worldleadcurrency/wlcj & wlc-wallet).

I am a little desperate scinse i gone through the changes several times without finding any point where i can begin again.

I talked to hashengineering but he seems to be quite busy, so i post the offer again here.

Any help is appreciated  

Many greetings Rik.


EDIT: the template is now namecoinj the repository for WLC is at www.github.com/Rikski/namecoinj)

EDIT: The bounty is now1.2 BTC 400WLC and 10k FRC

[1715162880]

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[1715162880]

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[1715162880]

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[1715162880]

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[hexafraction]

I can try to do this although time is limited for me. At this point it looks like the unit tests weren't properly ported, and a lot of them are simply broken (retaining test data from other coins). I'll pull unit tests from the C++ wallet.

Edit: Can you provide details such as known correct txns and the like?

[rik8119]

I can try to do this although time is limited for me. At this point it looks like the unit tests weren't properly ported, and a lot of them are simply broken (retaining test data from other coins). I'll pull unit tests from the C++ wallet.

Edit: Can you provide details such as known correct txns and the like?

Hi hexafraction,

i am glad you want to help. Do you mean some transaction detail from a transaction from the blockchain? i do not know what known correct txns can be found andgoogle did not throw out something useful. Can you explain a little bit more in detail what is needed?

Thanks Rik

[bitsum]

maybe i can help u

[MoonOfLife]

pm`d

[rik8119]

pm`d

Hi everyone, thanks for now i will try to fix the genesis block hash. I will came back again if there are more questions (bounty will be splitted between all helping hands if i get it fixed).

Rik

[hexafraction]

I can try to do this although time is limited for me. At this point it looks like the unit tests weren't properly ported, and a lot of them are simply broken (retaining test data from other coins). I'll pull unit tests from the C++ wallet.

Edit: Can you provide details such as known correct txns and the like?

Hi hexafraction,

i am glad you want to help. Do you mean some transaction detail from a transaction from the blockchain? i do not know what known correct txns can be found andgoogle did not throw out something useful. Can you explain a little bit more in detail what is needed?

Thanks Rik

Yeah, I need some sample transactions on the WLC network that I can use to create unit tests.

I can always take the coin parameters themselves from the C++ wallet but keeping the unit tests working is paramount to secure development. Is there a WLC block explorer or something that I can use? If not, I can compile and install the C++ client once I get the chance to do so.

Actually, if I'm understanding this correctly, there are so many issues going on with the unit tests themselves. The unit tests were never properly edited to reflect WLC's coin parameters. In fact, there are unit tests failing because they are checking Bitcoin's test blocks against the Bitcoin blockchain, with Bitcoin mainnet headers. In fact, it doesn't look like the unit tests were ever modified.

[MoonOfLife]

hey bro , reply my message

btw dont reply at this account i will give you my another account .
pm`d

[rik8119]

Hello again everybody,

i ported the coin to namecoinj as a template now and with the help of hexafraction i get the wallet to start downloading Blocks until it crashes at Block 10k. The Bounty is now at 0.7 BTC for fixing the wallet. The crash report says its something with the deserialization. I dont know why this occurs only at Block 10k but it seems to be related with the increase in the Block height digits. Maybe someone has an idea?

The crash report is:

Code:

=== application info ===

%0A%0AVersion: 0.13-beta (10013)%0APackage: hashengineering.worldleadcurrency.wallet%0ATest/Prod: prod%0ATime: 2015-08-06 16:35:14 +0200%0ATime of launch: 2015-08-06 16:35:08 +0200%0ATime of last update: 2015-08-06 16:02:48 +0200%0ATime of first install: 2015-08-06 16:02:48 +0200%0ATime of backup: none%0ANetwork: org.worldleadcurrency.production%0AEncrypted: false%0AKeychain size: 271%0ATransactions: 0%0AInputs: 0%0AOutputs: 0 (spent: 0)%0ALast block seen: 9817 (00000000041658165ce05600eccf7c0a05b2801b2fd9cca5df3c43bdb5016986)%0ADatabases:%0A%0AContents of FilesDir /data/data/hashengineering.worldleadcurrency.wallet/files:%0A2015-08-06 16:35:12       68  files%0A  - 2015-08-06 16:03:00      685  key-backup-protobuf%0A  - 2015-08-06 16:35:12    23428  wallet-protobuf%0A%0AContents of LogDir /data/data/hashengineering.worldleadcurrency.wallet/app_log:%0A2015-08-06 16:02:57       20  app_log%0A  - 2015-08-06 16:35:14    86030  wallet.log%0A%0A%0A%0A

=== stack trace ===


%0A%0A
java.lang.OutOfMemoryError%0A%09at 
java.lang.AbstractStringBuilder.enlargeBuffer(AbstractStringBuilder.java:94)%0A%09at 
java.lang.AbstractStringBuilder.append0(AbstractStringBuilder.java:145)%0A%09at 
java.lang.StringBuilder.append(StringBuilder.java:216)%0A%09at 
org.bitcoinj.core.BitcoinSerializer.deserializePayload(BitcoinSerializer.java:193)%0A%09at org.bitcoinj.core.PeerSocketHandler.receiveBytes(PeerSocketHandler.java:139)%0A%09at 
org.bitcoinj.net.ConnectionHandler.handleKey(ConnectionHandler.java:217)%0A%09at 
org.bitcoinj.net.NioClientManager.handleKey(NioClientManager.java:75)%0A%09at 
org.bitcoinj.net.NioClientManager.run(NioClientManager.java:111)%0A%09at com.google.common.util.concurrent.AbstractExecutionThreadService$1$2.run(AbstractExecutionThreadService.java:60)%0A%09at com.google.common.util.concurrent.Callables$3.run(Callables.java:93)%0A%09at 
java.lang.Thread.run(Thread.java:856)%0A%0A%0A%0A

=== device info ===

%0A%0ADevice Model: Jolla%0AAndroid Version: 4.1.2%0ABoard: unknown%0ABrand: Jolla%0ADevice: alien_jolla_bionic%0ADisplay: JZO54K%0AFinger Print: Jolla/alien_jolla_bionic/alien_jolla_bionic:4.1.2/JZO54K/eng.erin.20150306.110700:user/dev-keys%0AHost: erin-ubuntu%0AID: JZO54K%0AProduct: alien_jolla_bionic%0ATags: dev-keys%0ATime: 1425611265000%0AType: user%0AUser: erin%0AConfiguration: {1.0 262mcc7mnc en_GB sw360dp w360dp h592dp nrml port ?uimode ?night finger -keyb/v/h -nav/h s.3}%0AScreen Layout: size 2 long 16%0ADisplay Metrics: DisplayMetrics{density=1.5, width=540, height=888, scaledDensity=1.5, xdpi=240.0, ydpi=240.0}%0AMemory Class: 48/128%0A%0A%0A%0A

=== saved exceptions ===%0A%0A%0A--- 

collected at 2015-08-06 16:04:06 +0200 on version 0.13-beta (10013)%0A
org.bitcoinj.core.ProtocolException: Error deserializing message 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

org.bitcoinj.core.BitcoinSerializer.deserializePayload(BitcoinSerializer.java:193)%0A%09at org.bitcoinj.core.BitcoinSerializer.deserialize(BitcoinSerializer.java:156)%0A%09at 
org.bitcoinj.core.PeerSocketHandler.receiveBytes(PeerSocketHandler.java:149)%0A%09at 
org.bitcoinj.net.ConnectionHandler.handleKey(ConnectionHandler.java:217)%0A%09at 
org.bitcoinj.net.NioClientManager.handleKey(NioClientManager.java:75)%0A%09at 
org.bitcoinj.net.NioClientManager.run(NioClientManager.java:111)%0A%09at com.google.common.util.concurrent.AbstractExecutionThreadService$1$2.run(AbstractExecutionThreadService.java:60)%0A%09at

com.google.common.util.concurrent.Callables$3.run(Callables.java:93)%0A%09at 
java.lang.Thread.run(Thread.java:856)%0ACaused by: 
org.bitcoinj.core.ProtocolException: 
java.lang.ArrayIndexOutOfBoundsException: src.length=9245 srcPos=10563 dst.length=80 dstPos=0 length=80%0A%09at 
org.bitcoinj.core.BlockMergeMinedPayload.readBytes(BlockMergeMinedPayload.java:156)%0A%09at 
org.bitcoinj.core.BlockMergeMinedPayload.parseMergedMineInfo(BlockMergeMinedPayload.java:90)%0A%09at 
org.bitcoinj.core.BlockMergeMinedPayload.parse(BlockMergeMinedPayload.java:41)%0A%09at 
org.bitcoinj.core.BlockMergeMinedPayload.<init>(BlockMergeMinedPayload.java:32)%0A%09at 

org.bitcoinj.core.BlockMergeMined.<init>(BlockMergeMined.java:53)%0A%09at 
org.bitcoinj.core.Block.parseHeader(Block.java:215)%0A%09at 
org.bitcoinj.core.Block.parse(Block.java:278)%0A%09at 
org.bitcoinj.core.Message.<init>(Message.java:117)%0A%09at 
org.bitcoinj.core.Message.<init>(Message.java:153)%0A%09at 
org.bitcoinj.core.Block.<init>(Block.java:132)%0A%09at 
org.bitcoinj.core.BitcoinSerializer.makeMessage(BitcoinSerializer.java:205)%0A%09at org.bitcoinj.core.BitcoinSerializer.deserializePayload(BitcoinSerializer.java:191)%0A%09... 

And the wallet.log looks as follow:

Code:

22:38:35.327 [Wallet autosave thread] WalletFiles - Background saving wallet, last seen block is 10000/000000000476f76304230b34d074a20822f2250f5c04c4424749a62831837aca
22:38:35.613 [Wallet autosave thread] WalletFiles - Save completed in 283msec
22:38:45.798 [NioClientManager] PeerGroup - [109.73.173.119]:55889: Peer died
22:38:45.844 [NioClientManager] PeerGroup - [91.108.68.164]:55889: Peer died
22:38:45.846 [NioClientManager] PeerGroup - Download peer died. Picking a new one.
22:38:45.848 [NioClientManager] PeerGroup - Unsetting download peer: [91.108.68.164]:55889
22:38:45.855 [NioClientManager] PeerGroup - Setting download peer: [185.38.44.6]:55889
22:38:45.885 [NioClientManager] PeerGroup - [185.38.44.6]:55889: Peer died
22:38:45.887 [NioClientManager] PeerGroup - Download peer died. Picking a new one.
22:38:45.888 [NioClientManager] PeerGroup - Unsetting download peer: [185.38.44.6]:55889
22:38:45.932 [NioClientManager] CrashReporter - crashing because of uncaught exception
java.lang.OutOfMemoryError: null
	at java.lang.String.<init>(String.java:432) ~[na:0.0]
	at java.lang.AbstractStringBuilder.toString(AbstractStringBuilder.java:642) ~[na:0.0]
	at java.lang.StringBuilder.toString(StringBuilder.java:663) ~[na:0.0]
	at ch.qos.logback.classic.pattern.ThrowableProxyConverter.throwableProxyToString(Unknown Source) ~[na:0.0]
	at ch.qos.logback.classic.pattern.ThrowableProxyConverter.convert(Unknown Source) ~[na:0.0]
	at ch.qos.logback.classic.pattern.ThrowableProxyConverter.convert(Unknown Source) ~[na:0.0]
	at ch.qos.logback.core.pattern.FormattingConverter.write(Unknown Source) ~[na:0.0]
	at ch.qos.logback.core.pattern.PatternLayoutBase.writeLoopOnConverters(Unknown Source) ~[na:0.0]
	at ch.qos.logback.classic.PatternLayout.doLayout(Unknown Source) ~[na:0.0]
	at ch.qos.logback.classic.PatternLayout.doLayout(Unknown Source) ~[na:0.0]
	at ch.qos.logback.core.encoder.LayoutWrappingEncoder.doEncode(Unknown Source) ~[na:0.0]
	at ch.qos.logback.core.OutputStreamAppender.writeOut(Unknown Source) ~[na:0.0]
	at ch.qos.logback.core.FileAppender.writeOut(Unknown Source) ~[na:0.0]
	at ch.qos.logback.core.OutputStreamAppender.subAppend(Unknown Source) ~[na:0.0]
	at ch.qos.logback.core.FileAppender.subAppend(Unknown Source) ~[na:0.0]
	at ch.qos.logback.core.rolling.RollingFileAppender.subAppend(Unknown Source) ~[na:0.0]
	at ch.qos.logback.core.OutputStreamAppender.append(Unknown Source) ~[na:0.0]
	at ch.qos.logback.core.UnsynchronizedAppenderBase.doAppend(Unknown Source) ~[na:0.0]
	at ch.qos.logback.core.spi.AppenderAttachableImpl.appendLoopOnAppenders(Unknown Source) ~[na:0.0]
	at ch.qos.logback.classic.Logger.appendLoopOnAppenders(Unknown Source) ~[na:0.0]
	at ch.qos.logback.classic.Logger.callAppenders(Unknown Source) ~[na:0.0]
	at ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(Unknown Source) ~[na:0.0]
	at ch.qos.logback.classic.Logger.filterAndLog_0_Or3Plus(Unknown Source) ~[na:0.0]
	at ch.qos.logback.classic.Logger.warn(Unknown Source) ~[na:0.0]
	at org.bitcoinj.core.PeerSocketHandler.exceptionCaught(PeerSocketHandler.java:227) ~[na:0.0]
	at org.bitcoinj.core.PeerSocketHandler.receiveBytes(PeerSocketHandler.java:181) ~[na:0.0]
	at org.bitcoinj.net.ConnectionHandler.handleKey(ConnectionHandler.java:217) ~[na:0.0]
	at org.bitcoinj.net.NioClientManager.handleKey(NioClientManager.java:75) ~[na:0.0]
	at org.bitcoinj.net.NioClientManager.run(NioClientManager.java:111) ~[na:0.0]
	at com.google.common.util.concurrent.AbstractExecutionThreadService$1$2.run(AbstractExecutionThreadService.java:60) ~[na:0.0]
	at com.google.common.util.concurrent.Callables$3.run(Callables.java:93) ~[na:0.0]
	at java.lang.Thread.run(Thread.java:856) ~[na:0.0]
22:38:45.934 [PeerGroup] DnsDiscovery - DNS seed seed.winc-ev.de: got 4 peers
22:38:45.953 [PeerGroup] DnsDiscovery - DNS seed seed.winc-ev.com: failed to look up: java.net.UnknownHostException: Unable to resolve host "seed.winc-ev.com": No address associated with hostname
22:38:45.953 [PeerGroup] DnsDiscovery - DNS seed dnsseed.wlc-dnsseed.ssdpool.com: got 3 peers
22:38:45.957 [PeerGroup] PeerGroup - Waiting 848 msec before next connect attempt to [109.73.173.119]:55889
22:38:46.810 [PeerGroup] PeerGroup - Failed to connect to [109.73.173.119]:55889: null
22:38:46.811 [PeerGroup] PeerGroup - [109.73.173.119]:55889: Peer died
22:38:46.817 [PeerGroup] DnsDiscovery - DNS seed seed.winc-ev.de: got 4 peers
22:38:46.818 [PeerGroup] DnsDiscovery - DNS seed seed.winc-ev.com: failed to look up: java.net.UnknownHostException: Unable to resolve host "seed.winc-ev.com": No address associated with hostname
22:38:46.819 [PeerGroup] DnsDiscovery - DNS seed dnsseed.wlc-dnsseed.ssdpool.com: got 3 peers
22:38:46.820 [PeerGroup] PeerGroup - Waiting 64 msec before next connect attempt to [91.108.68.164]:55889
22:38:46.887 [PeerGroup] PeerGroup - Failed to connect to [91.108.68.164]:55889: null
22:38:46.888 [PeerGroup] PeerGroup - [91.108.68.164]:55889: Peer died
22:38:46.889 [PeerGroup] PeerGroup - Waiting 999 msec before next connect attempt to [185.38.44.6]:55889
22:38:47.189 [main] BlockchainServiceImpl - service start command: Intent { act=de.schildbach.wallet.service.cancel_coins_received cmp=hashengineering.worldleadcurrency.wallet/de.schildbach.wallet.service.BlockchainServiceImpl }
22:38:47.890 [PeerGroup] PeerGroup - Failed to connect to [185.38.44.6]:55889: null
22:38:47.891 [PeerGroup] PeerGroup - [185.38.44.6]:55889: Peer died
22:38:47.922 [PeerGroup] DnsDiscovery - DNS seed seed.winc-ev.de: got 4 peers
22:38:47.924 [PeerGroup] DnsDiscovery - DNS seed seed.winc-ev.com: failed to look up: java.net.UnknownHostException: Unable to resolve host "seed.winc-ev.com": No address associated with hostname
22:38:47.926 [PeerGroup] DnsDiscovery - DNS seed dnsseed.wlc-dnsseed.ssdpool.com: got 3 peers
22:38:47.928 [PeerGroup] PeerGroup - Waiting 387 msec before next connect attempt to [109.73.173.119]:55889
22:38:48.317 [PeerGroup] PeerGroup - Failed to connect to [109.73.173.119]:55889: null
22:38:48.318 [PeerGroup] PeerGroup - [109.73.173.119]:55889: Peer died
22:38:48.439 [PeerGroup] DnsDiscovery - DNS seed seed.winc-ev.de: got 4 peers
22:38:48.441 [PeerGroup] DnsDiscovery - DNS seed seed.winc-ev.com: failed to look up: java.net.UnknownHostException: Unable to resolve host "seed.winc-ev.com": No address associated with hostname
22:38:48.442 [PeerGroup] DnsDiscovery - DNS seed dnsseed.wlc-dnsseed.ssdpool.com: got 3 peers
22:38:48.444 [PeerGroup] PeerGroup - Failed to connect to [91.108.68.164]:55889: null
22:38:48.446 [PeerGroup] PeerGroup - [91.108.68.164]:55889: Peer died
22:38:48.450 [PeerGroup] DnsDiscovery - DNS seed seed.winc-ev.de: got 4 peers
22:38:48.451 [PeerGroup] DnsDiscovery - DNS seed seed.winc-ev.com: failed to look up: java.net.UnknownHostException: Unable to resolve host "seed.winc-ev.com": No address associated with hostname
22:38:48.452 [PeerGroup] DnsDiscovery - DNS seed dnsseed.wlc-dnsseed.ssdpool.com: got 3 peers
22:38:48.455 [PeerGroup] PeerGroup - Waiting 937 msec before next connect attempt to [185.38.44.6]:55889

Rik

[hexafraction]

Looks like you're getting an out of memory error. I'll pull code and try it myself. I'm getting a different error, due to some messages from the C++ client being apparently malformed. My sync consistently stops somewhere between 12000 and 16000.

[hexafraction]

Scratch that, my memory was wrong. It always stops at/around block 11418, trying to download the same block over and over. Here's my stacktrace, if anyone more familiar with bitcoinj can take a look:

Code:

03:20:50 13 DownloadListener.onChainDownloadStarted: Chain download switched to [127.0.0.1]:55889
03:20:50 13 ConnectionHandler.handleKey: Error handling SelectionKey: null
03:20:50 13 PeerSocketHandler.exceptionCaught: [127.0.0.1]:55889 - 
org.bitcoinj.core.ProtocolException: Error deserializing message 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

	at org.bitcoinj.core.BitcoinSerializer.deserializePayload(BitcoinSerializer.java:193)
	at org.bitcoinj.core.BitcoinSerializer.deserialize(BitcoinSerializer.java:156)
	at org.bitcoinj.core.PeerSocketHandler.receiveBytes(PeerSocketHandler.java:149)
	at org.bitcoinj.net.ConnectionHandler.handleKey(ConnectionHandler.java:217)
	at org.bitcoinj.net.NioClientManager.handleKey(NioClientManager.java:75)
	at org.bitcoinj.net.NioClientManager.run(NioClientManager.java:111)
	at com.google.common.util.concurrent.AbstractExecutionThreadService$1$2.run(AbstractExecutionThreadService.java:60)
	at com.google.common.util.concurrent.Callables$3.run(Callables.java:93)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.bitcoinj.core.ProtocolException: java.lang.ArrayIndexOutOfBoundsException
	at org.bitcoinj.core.Message.readBytes(Message.java:513)
	at org.bitcoinj.core.TransactionInput.parse(TransactionInput.java:143)
	at org.bitcoinj.core.Message.<init>(Message.java:118)
	at org.bitcoinj.core.Message.<init>(Message.java:157)
	at org.bitcoinj.core.ChildMessage.<init>(ChildMessage.java:52)
	at org.bitcoinj.core.TransactionInput.<init>(TransactionInput.java:126)
	at org.bitcoinj.core.Transaction.parse(Transaction.java:594)
	at org.bitcoinj.core.Message.<init>(Message.java:118)
	at org.bitcoinj.core.Message.<init>(Message.java:157)
	at org.bitcoinj.core.ChildMessage.<init>(ChildMessage.java:52)
	at org.bitcoinj.core.Transaction.<init>(Transaction.java:242)
	at org.bitcoinj.core.Block.parseTransactions(Block.java:263)
	at org.bitcoinj.core.Block.parse(Block.java:279)
	at org.bitcoinj.core.Message.<init>(Message.java:118)
	at org.bitcoinj.core.Message.<init>(Message.java:157)
	at org.bitcoinj.core.Block.<init>(Block.java:132)
	at org.bitcoinj.core.BitcoinSerializer.makeMessage(BitcoinSerializer.java:206)
	at org.bitcoinj.core.BitcoinSerializer.deserializePayload(BitcoinSerializer.java:191)
	... 8 more
Caused by: java.lang.ArrayIndexOutOfBoundsException
	at org.bitcoinj.core.Message.readBytes(Message.java:509)
	... 25 more
03:20:50 13 PeerGroup.handlePeerDeath: [127.0.0.1]:55889: Peer died
03:20:50 13 PeerGroup.handlePeerDeath: Download peer died. Picking a new one.
03:20:50 13 PeerGroup.setDownloadPeer: Unsetting download peer: [127.0.0.1]:55889
03:20:50 13 ConnectionHandler.handleKey: Error handling SelectionKey: null
Peer #0 disconnected: [127.0.0.1]:55889

C++ client debug.log (with some extra debug statements of my own):

Code:

2015-08-13 19:22:15 disconnecting node 127.0.0.1:57487                                                                    [51/9435]
2015-08-13 19:22:15 [hexdbg] sending MSG_BLOCK
2015-08-13 19:22:15 trying connection 104.131.12.128:55889 lastseen=25.5hrs
2015-08-13 19:22:20 accepted connection 127.0.0.1:57490
2015-08-13 19:22:20 accepted connection 127.0.0.1:57491
2015-08-13 19:22:20 received: version (113 bytes)
2015-08-13 19:22:20 send version message: version 70001, blocks=21379, us=74.70.116.138:55889, them=0.0.0.0:0, peer=127.0.0.1:57490
2015-08-13 19:22:20 receive version message: /WorldleadcurrencyJ:0.12.2/: version 70001, blocks=11417, us=127.0.0.1:55889, them=127
.0.0.1:55889, peer=127.0.0.1:57490
2015-08-13 19:22:20 received: version (113 bytes)
2015-08-13 19:22:20 send version message: version 70001, blocks=21379, us=74.70.116.138:55889, them=0.0.0.0:0, peer=127.0.0.1:57491
2015-08-13 19:22:20 receive version message: /WorldleadcurrencyJ:0.12.2/: version 70001, blocks=11417, us=127.0.0.1:55889, them=127
.0.0.1:55889, peer=127.0.0.1:57491
2015-08-13 19:22:20 received: verack (0 bytes)
2015-08-13 19:22:20 received: verack (0 bytes)
2015-08-13 19:22:20 received: ping (8 bytes)
2015-08-13 19:22:20 received: getblocks (3269 bytes)
2015-08-13 19:22:20 getblocks 11418 to 0000000000000000000000000000000000000000000000000000000000000000 limit 500
2015-08-13 19:22:20   getblocks stopping at limit 11917 089e5f2f0ea7e20da7169714203c64a3105b0ea7fcd825790f4430c0445c59c2
2015-08-13 19:22:20 received: ping (8 bytes)
2015-08-13 19:22:20 connection timeout
2015-08-13 19:22:20 received: getdata (18003 bytes)
2015-08-13 19:22:20 received getdata (500 invsz)
2015-08-13 19:22:20 [hexdbg] processing getdata
2015-08-13 19:22:20 [hexdbg] sending MSG_BLOCK
2015-08-13 19:22:20 [hexdbg] processing getdata
2015-08-13 19:22:20 [hexdbg] sending MSG_BLOCK
2015-08-13 19:22:20 [hexdbg] processing getdata
2015-08-13 19:22:20 [hexdbg] sending MSG_BLOCK
2015-08-13 19:22:20 [hexdbg] processing getdata
2015-08-13 19:22:20 [hexdbg] sending MSG_BLOCK
2015-08-13 19:22:20 [hexdbg] processing getdata
2015-08-13 19:22:20 [hexdbg] sending MSG_BLOCK
2015-08-13 19:22:20 [hexdbg] processing getdata
2015-08-13 19:22:20 [hexdbg] sending MSG_BLOCK
2015-08-13 19:22:20 [hexdbg] processing getdata
2015-08-13 19:22:20 [hexdbg] sending MSG_BLOCK
2015-08-13 19:22:20 [hexdbg] processing getdata
2015-08-13 19:22:20 [hexdbg] sending MSG_BLOCK
2015-08-13 19:22:20 [hexdbg] processing getdata
2015-08-13 19:22:20 [hexdbg] sending MSG_BLOCK
2015-08-13 19:22:20 [hexdbg] processing getdata
2015-08-13 19:22:20 socket send error 104
2015-08-13 19:22:20 disconnecting node 127.0.0.1:57491

Also, it looks like you're already trying to test on Android. I suggest just testing your namecoinj fork by itself first, and then trying to integrate it as a library into an Android application once it's working on its own.

[hexafraction]

I did a bit more checking. It looks like there's something really wrong parsing the first transaction of block 11418. When it is parsed, the cursor ends up at position 92, and not 80, while all other blocks finish parsing their headers at position 80. I'm not sure why yet. Overriding it didn't seem to help. I'll try tracing back earlier in the block parsing code later when I get the chance.

[rik8119]

Hi hexafraction Block 11418 is the first merged mining block with bitcoin/and other merge mining coins. This should be the reason why the cursor ends up a bigger position.

And i am sorry how do you test the namecoinj on its own? Do you mean with the tests included when compiling?

[hexafraction]

Hi hexafraction Block 11418 is the first merged mining block with bitcoin/and other merge mining coins. This should be the reason why the cursor ends up a bigger position.

And i am sorry how do you test the namecoinj on its own? Do you mean with the tests included when compiling?

No, not using the built-in unit tests. I simply imported the namecoinj project into my Java IDE, and added my own class into the samples package, that contained a main method that connected to my WLC C++ client, and began fetching blocks. I also used my IDE's debugger to poke around as to what was going on.

Would you be able to tell me what network block 11418 was merge-mined with, and what the block hash/id is on the other network?

[achow101]

I have looked at the code and it looks like that the coinj you forked does not have support for merge mining. I would suggest that you fork the java library for something that does support merged mining.

[hexafraction]

I have looked at the code and it looks like that the coinj you forked does not have support for merge mining. I would suggest that you fork the java library for something that does support merged mining.

The latest code is a fork of namecoinj and does support merged mining, in theory. It is failing in practice at the moment.

[achow101]

I have looked at the code and it looks like that the coinj you forked does not have support for merge mining. I would suggest that you fork the java library for something that does support merged mining.

The latest code is a fork of namecoinj and does support merged mining, in theory. It is failing in practice at the moment.

It is? The repository linked above is still forked from freicoinj, nor namecoinj. Is there another repository.I could help if I knew what the code is and what coin wlc itself is forked from.

[hexafraction]

I have looked at the code and it looks like that the coinj you forked does not have support for merge mining. I would suggest that you fork the java library for something that does support merged mining.

The latest code is a fork of namecoinj and does support merged mining, in theory. It is failing in practice at the moment.

It is? The repository linked above is still forked from freicoinj, nor namecoinj. Is there another repository.I could help if I knew what the code is and what coin wlc itself is forked from.

Sure thing, I didn't realize it wasn't linked here. https://github.com/Rikski/namecoinj

I have a fairly trivial main class I'm using for testing. I can post if you need it, but I don't have access to it right this minute (mobile).

[rik8119]

I have looked at the code and it looks like that the coinj you forked does not have support for merge mining. I would suggest that you fork the java library for something that does support merged mining.

The latest code is a fork of namecoinj and does support merged mining, in theory. It is failing in practice at the moment.

Hi the first blocks after the genesisblock were merge mined with freicoin, so merge mining of namecoinj is working (for freicoin as parent). I looked into BlockMergeMinedPayload.java and it is creating a "new Transaction" for the Parent Block Coinbase Transaction. Maybe the problem is that transactions for my WLC are including refHeight wchich BlockMergeMinedPayload is also using for the Parent header but Bitcoin transactions dont have this parameter and so it stops downloading as soon as Bitcoin is present as parent. But this is just a guess at the moment first i have to learn how to include this main from you inside my testingsetup.

I tried to get to know which hash inside the block belongs to which coin, but i can not see it at the moment.

[cryptosun]

I can help u PM me