Topic: [ANN][CLAM] CLAMs, Proof-Of-Chain, Proof-Of-Working-Stake, a.k.a. "Clamcoin" - page 56. (Read 1151252 times)
May 23, 2018, 05:36:26 AM
Where I can find block explorer with nodes/peers addresses? Or could someone write here some fresh nodes to get wallet syncing faster?
May 21, 2018, 02:54:51 PM
Quote
ERROR: ProcessBlock() : already have block 1781476 0def539c364181bb509653a291a50783b49d79aa1cf79fc1e4377c963413e1b2
ERROR: CheckBlock() : size limits failed
ERROR: CheckBlock() : size limits failed
Code:
if (vtx.empty() || vtx.size() > MAX_SIZE || ::GetSerializeSize(*this, SER_DISK) > MAX_SIZE)
return error("CheckBlock() : size limits failed");
Strange, a block with size larger than 1Mb in the bootstrap file? Is there any way to extract a single block from the bootstrap file to verify this?
May 21, 2018, 01:05:04 PM
Looks like an read/write error from your disk. The code is not printing the exact exception so it will be difficult to help you, as it looks a hardware failure and probably hard to replicate in another hardware. Are you using the pre-compiled version or are you compiling it yourself? If yes, please find the attached code in main.cpp
Code:
catch (std::exception &e) {
LogPrintf("%s() : Deserialize or I/O error caught during load\n",
__PRETTY_FUNCTION__);
}
and change to
Code:
catch (std::exception &e) {
std::cerr << e.what();
}
so we can have the exact exception message
I doubt it's a problem specific to me. Appears many people are having the problem.
The only way to get past this problem is to take out the 'connect=0' in order to sync past this block via internet syncing. Once you get past it, you can then close the client, rename bootstrap, and start up again. People having to close and reopen are getting past the problems by simply closing and restarting the client many times.
As long as I keep connect=0, I am able to get stuck on the same block every time. I have saved the block state at this point to be able to easily repeat the problem should another test be requested.
I am using the original pre-compiled version on windows.
All in all, I can duplicate the problem several others are complaining about and appears to be at 1781476.
Also, not a read/write issue. This is on a laptop with an SSD drive when I started the tests. It is now on a Windows Server (Raid 60) with 32GB ram.
sha256 checks correctly for both machines.
As long as I don't have the connect=0 in clam.conf and I import, and I keep restarting the client (everytime it stops), I can eventually sync up; however, it appears the fail points are the same each time.
Leaving 'connect=0', I no longer load blocks from the bootstrap. Now I only see (after restarting the app each time)....
Quote
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ERROR: ProcessBlock() : already have block 1781474 bb831330ced8366b7095c5a71267b8cd3ef5ef5078ee00aea57fcbde79d21732
ERROR: ProcessBlock() : already have block 1781475 eb4205fb93f5e6c6aeacbff987564f3ec4e1488a6e0c57a000299ab3625741d9
ERROR: ProcessBlock() : already have block 1781476 0def539c364181bb509653a291a50783b49d79aa1cf79fc1e4377c963413e1b2
ERROR: CheckBlock() : size limits failed
ERROR: ProcessBlock() : CheckBlock FAILED
bool LoadExternalBlockFile(FILE*)() : Deserialize or I/O error caught during load
Loaded 0 blocks from external file in 266760ms
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ERROR: ProcessBlock() : already have block 1781474 bb831330ced8366b7095c5a71267b8cd3ef5ef5078ee00aea57fcbde79d21732
ERROR: ProcessBlock() : already have block 1781475 eb4205fb93f5e6c6aeacbff987564f3ec4e1488a6e0c57a000299ab3625741d9
ERROR: ProcessBlock() : already have block 1781476 0def539c364181bb509653a291a50783b49d79aa1cf79fc1e4377c963413e1b2
ERROR: CheckBlock() : size limits failed
ERROR: ProcessBlock() : CheckBlock FAILED
bool LoadExternalBlockFile(FILE*)() : Deserialize or I/O error caught during load
Loaded 0 blocks from external file in 266760ms
0 blocks load. Again, if I take out connect=0, then it will error; however, it will start syncing from the internet to get past that point, in which case, I can then stop, rename bootstrap, and continue on again until the next point.
May 21, 2018, 12:36:13 PM
I eventually synced. Since I don't use the wallet, I will try a couple of tests.
First, I am using: v1.4.17
Looking in logs, I see the client reaches 751 Orphan blocks. It gets a bunch more, but each one is numbered 751. Basically locks up.
I see others have taken the advice of connect=0 I will run that tonight just as another test / confirmation that it may resolve the issue. Of course, a client update would be needed to make no connections while it is importing blocks.
First, I am using: v1.4.17
Looking in logs, I see the client reaches 751 Orphan blocks. It gets a bunch more, but each one is numbered 751. Basically locks up.
I see others have taken the advice of connect=0 I will run that tonight just as another test / confirmation that it may resolve the issue. Of course, a client update would be needed to make no connections while it is importing blocks.
Well, again, it stopped automatically for me at block 1775693
bootstrap.dat 2.38 GB (2,565,076,446 bytes) sha256 713B93B7458E88500F1E32557F0BC58B9F05A6B13E1DE31576F25F5300184C96
blk0001.dat 1.95 GB (2,097,155,946 bytes) sha256 510D0CABB4208D9A545A0E05FAB2C0C29C225D699E0601A16B2891FACBD2CE98
blk0002.dat 40.1 MB ( 42,074,112 bytes) sha256 4E0425F4E1244A86167460031043C0247B09F5EAEBA6E1BCB4136A91EE0A2394
Here is the snippet from the debug log.
Quote
SetBestChain: new best=33282ccb31e0242458ea8cf426cfb05714753604b37c413a8e95486ca81c7191 height=1775690 trust=567448766874838286320 blocktrust=509240947264508 date=11/16/17 09:02:08
ProcessBlock: ACCEPTED
SetBestChain: new best=81963d01eb963e0bc0f323c5252c67eee91c851e6bdc0552ef3ba5877b1bd9f7 height=1775691 trust=567449274043651486296 blocktrust=507168813199976 date=11/16/17 09:03:44
ProcessBlock: ACCEPTED
SetBestChain: new best=4787753ea648205e9f413cea6001eabf92614869318f469a2733bb016f9a1f5c height=1775692 trust=567449778894470438909 blocktrust=504850818952613 date=11/16/17 09:05:20
ProcessBlock: ACCEPTED
SetBestChain: new best=64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23 height=1775693 trust=567450280914992243496 blocktrust=502020521804587 date=11/16/17 09:06:08
ProcessBlock: ACCEPTED
ERROR: CTransaction::ReadFromDisk() : OpenBlockFile failed
ERROR: FetchInputs() : 6d855febfba9794f14995f90993a2c56444a4c7c5ec561030f983c657dc36492 ReadFromDisk prev tx 31cea8afbee32d452f52028ef310b51c749bbaaffd9ecd3df442b6898b4b641a failed
InvalidChainFound: invalid block=fb790923aa509ff87a97287afd0639efa4763023fb6a7f42691837400f949b77 height=1775694 trust=567450780123264426586 blocktrust=499208272183090 date=11/16/17 09:06:56
InvalidChainFound: current best=64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23 height=1775693 trust=567450280914992243496 blocktrust=502020521804587 date=11/16/17 09:06:08
ERROR: SetBestChain() : SetBestChainInner failed
ERROR: AcceptBlock() : AddToBlockIndex failed
ERROR: ProcessBlock() : AcceptBlock FAILED
ERROR: CTransaction::ReadFromDisk() : OpenBlockFile failed
ERROR: CheckProofOfStake() : INFO: read txPrev failed
ProcessBlock: ORPHAN BLOCK 0, prev=5cc7e18e8e8d3a4d11beac2117869739f2185177262e8fb221baede214ebc0df
ProcessBlock: ORPHAN BLOCK 0, prev=e24425383f3707c7f3b23e90d720e4883a98aeca0c1a3777e317efc9539c81ab
ProcessBlock: ORPHAN BLOCK 0, prev=9109b5f5ed6bc67b4669e3d24823e42bf881b3772bf7a9b53ade463a9be95666
ProcessBlock: ORPHAN BLOCK 0, prev=91afe77917861bf006e7ee797fecbb944dd18ae43ceb0c000674c996de88ffbc
ProcessBlock: ORPHAN BLOCK 0, prev=f15bb5e8275a215b1921865dcc16e64aed9af05cdf6166c8dce7210b4f9ee70d
ProcessBlock: ORPHAN BLOCK 0, prev=f5ef33223365fa4cdfc51d8c3c11340b23f7da3f4d5cdb3facd06f5fc008aaf3
ProcessBlock: ORPHAN BLOCK 0, prev=2a576b57412f46383262a66a7ff966626830b9f6aab3d221e55106489d74cbd7
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ProcessBlock: ACCEPTED
SetBestChain: new best=81963d01eb963e0bc0f323c5252c67eee91c851e6bdc0552ef3ba5877b1bd9f7 height=1775691 trust=567449274043651486296 blocktrust=507168813199976 date=11/16/17 09:03:44
ProcessBlock: ACCEPTED
SetBestChain: new best=4787753ea648205e9f413cea6001eabf92614869318f469a2733bb016f9a1f5c height=1775692 trust=567449778894470438909 blocktrust=504850818952613 date=11/16/17 09:05:20
ProcessBlock: ACCEPTED
SetBestChain: new best=64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23 height=1775693 trust=567450280914992243496 blocktrust=502020521804587 date=11/16/17 09:06:08
ProcessBlock: ACCEPTED
ERROR: CTransaction::ReadFromDisk() : OpenBlockFile failed
ERROR: FetchInputs() : 6d855febfba9794f14995f90993a2c56444a4c7c5ec561030f983c657dc36492 ReadFromDisk prev tx 31cea8afbee32d452f52028ef310b51c749bbaaffd9ecd3df442b6898b4b641a failed
InvalidChainFound: invalid block=fb790923aa509ff87a97287afd0639efa4763023fb6a7f42691837400f949b77 height=1775694 trust=567450780123264426586 blocktrust=499208272183090 date=11/16/17 09:06:56
InvalidChainFound: current best=64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23 height=1775693 trust=567450280914992243496 blocktrust=502020521804587 date=11/16/17 09:06:08
ERROR: SetBestChain() : SetBestChainInner failed
ERROR: AcceptBlock() : AddToBlockIndex failed
ERROR: ProcessBlock() : AcceptBlock FAILED
ERROR: CTransaction::ReadFromDisk() : OpenBlockFile failed
ERROR: CheckProofOfStake() : INFO: read txPrev failed
ProcessBlock: ORPHAN BLOCK 0, prev=5cc7e18e8e8d3a4d11beac2117869739f2185177262e8fb221baede214ebc0df
ProcessBlock: ORPHAN BLOCK 0, prev=e24425383f3707c7f3b23e90d720e4883a98aeca0c1a3777e317efc9539c81ab
ProcessBlock: ORPHAN BLOCK 0, prev=9109b5f5ed6bc67b4669e3d24823e42bf881b3772bf7a9b53ade463a9be95666
ProcessBlock: ORPHAN BLOCK 0, prev=91afe77917861bf006e7ee797fecbb944dd18ae43ceb0c000674c996de88ffbc
ProcessBlock: ORPHAN BLOCK 0, prev=f15bb5e8275a215b1921865dcc16e64aed9af05cdf6166c8dce7210b4f9ee70d
ProcessBlock: ORPHAN BLOCK 0, prev=f5ef33223365fa4cdfc51d8c3c11340b23f7da3f4d5cdb3facd06f5fc008aaf3
ProcessBlock: ORPHAN BLOCK 0, prev=2a576b57412f46383262a66a7ff966626830b9f6aab3d221e55106489d74cbd7
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Although orphan stays at block 0, no more bestchains appear to have loaded. In the end, I see....
Quote
ProcessBlock: ORPHAN BLOCK 0, prev=166705ff3f78aeda9251ad3bc79bca5c88f461539987dff0747a0062d885de56
ProcessBlock: ORPHAN BLOCK 0, prev=79241ea0703cebdea6a4a766dfdacea7f23319327034a8db346d0ff95f68e758
ProcessBlock: ORPHAN BLOCK 0, prev=4a398a03270b98afa5e0ba0f9d643533b78b708c7a8fd536144cc6fc72684b65
ProcessBlock: ORPHAN BLOCK 0, prev=b18c076bb4e687d959932c85766f0099592f1e4f1995f98d55bc63aa90f23c68
ProcessBlock: ORPHAN BLOCK 0, prev=bb831330ced8366b7095c5a71267b8cd3ef5ef5078ee00aea57fcbde79d21732
ProcessBlock: ORPHAN BLOCK 0, prev=eb4205fb93f5e6c6aeacbff987564f3ec4e1488a6e0c57a000299ab3625741d9
bool LoadExternalBlockFile(FILE*)() : Deserialize or I/O error caught during load
Loaded 1781474 blocks from external file in 42731538ms
dumpaddr thread stop
addcon thread interrupt
net thread interrupt
msghand thread interrupt
opencon thread interrupt
Shutdown : In progress...
StopNode()
Shutdown : done
ProcessBlock: ORPHAN BLOCK 0, prev=79241ea0703cebdea6a4a766dfdacea7f23319327034a8db346d0ff95f68e758
ProcessBlock: ORPHAN BLOCK 0, prev=4a398a03270b98afa5e0ba0f9d643533b78b708c7a8fd536144cc6fc72684b65
ProcessBlock: ORPHAN BLOCK 0, prev=b18c076bb4e687d959932c85766f0099592f1e4f1995f98d55bc63aa90f23c68
ProcessBlock: ORPHAN BLOCK 0, prev=bb831330ced8366b7095c5a71267b8cd3ef5ef5078ee00aea57fcbde79d21732
ProcessBlock: ORPHAN BLOCK 0, prev=eb4205fb93f5e6c6aeacbff987564f3ec4e1488a6e0c57a000299ab3625741d9
bool LoadExternalBlockFile(FILE*)() : Deserialize or I/O error caught during load
Loaded 1781474 blocks from external file in 42731538ms
dumpaddr thread stop
addcon thread interrupt
net thread interrupt
msghand thread interrupt
opencon thread interrupt
Shutdown : In progress...
StopNode()
Shutdown : done
So, I made a backup of the debug.log file at this point, renamed the bootstrap.dat.old back and restarted.
Appears to be running like it should......
Quote
ERROR: ProcessBlock() : already have block 1775690 33282ccb31e0242458ea8cf426cfb05714753604b37c413a8e95486ca81c7191
ERROR: ProcessBlock() : already have block 1775691 81963d01eb963e0bc0f323c5252c67eee91c851e6bdc0552ef3ba5877b1bd9f7
ERROR: ProcessBlock() : already have block 1775692 4787753ea648205e9f413cea6001eabf92614869318f469a2733bb016f9a1f5c
ERROR: ProcessBlock() : already have block 1775693 64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23
ERROR: ProcessBlock() : already have block 1775694 fb790923aa509ff87a97287afd0639efa4763023fb6a7f42691837400f949b77
Postponing 1 reconnects
REORGANIZE
REORGANIZE: Disconnect 0 blocks; 64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23..64aded1cfe367 9857107151e22caa8043908fec2229a2e16b9a7046e0985ca23
REORGANIZE: Connect 1 blocks; 64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23..fb790923aa509 ff87a97287afd0639efa4763023fb6a7f42691837400f949b77
REORGANIZE: done
SetBestChain: new best=5cc7e18e8e8d3a4d11beac2117869739f2185177262e8fb221baede214ebc0df height=1775695 trust=567451276791207500535 blocktrust=496667943073949 date=11/16/17 09:07:28
ProcessBlock: ACCEPTED
SetBestChain: new best=e24425383f3707c7f3b23e90d720e4883a98aeca0c1a3777e317efc9539c81ab height=1775696 trust=567451770931307516863 blocktrust=494140100016328 date=11/16/17 09:07:44
ProcessBlock: ACCEPTED
SetBestChain: new best=9109b5f5ed6bc67b4669e3d24823e42bf881b3772bf7a9b53ade463a9be95666 height=1775697 trust=567452262805132909752 blocktrust=491873825392889 date=11/16/17 09:08:16
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ERROR: ProcessBlock() : already have block 1775691 81963d01eb963e0bc0f323c5252c67eee91c851e6bdc0552ef3ba5877b1bd9f7
ERROR: ProcessBlock() : already have block 1775692 4787753ea648205e9f413cea6001eabf92614869318f469a2733bb016f9a1f5c
ERROR: ProcessBlock() : already have block 1775693 64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23
ERROR: ProcessBlock() : already have block 1775694 fb790923aa509ff87a97287afd0639efa4763023fb6a7f42691837400f949b77
Postponing 1 reconnects
REORGANIZE
REORGANIZE: Disconnect 0 blocks; 64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23..64aded1cfe367 9857107151e22caa8043908fec2229a2e16b9a7046e0985ca23
REORGANIZE: Connect 1 blocks; 64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23..fb790923aa509 ff87a97287afd0639efa4763023fb6a7f42691837400f949b77
REORGANIZE: done
SetBestChain: new best=5cc7e18e8e8d3a4d11beac2117869739f2185177262e8fb221baede214ebc0df height=1775695 trust=567451276791207500535 blocktrust=496667943073949 date=11/16/17 09:07:28
ProcessBlock: ACCEPTED
SetBestChain: new best=e24425383f3707c7f3b23e90d720e4883a98aeca0c1a3777e317efc9539c81ab height=1775696 trust=567451770931307516863 blocktrust=494140100016328 date=11/16/17 09:07:44
ProcessBlock: ACCEPTED
SetBestChain: new best=9109b5f5ed6bc67b4669e3d24823e42bf881b3772bf7a9b53ade463a9be95666 height=1775697 trust=567452262805132909752 blocktrust=491873825392889 date=11/16/17 09:08:16
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Annnnnddddd, it fails again.
Quote
SetBestChain: new best=b18c076bb4e687d959932c85766f0099592f1e4f1995f98d55bc63aa90f23c68 height=1781473 trust=569912537987922081905 blocktrust=490474450244869 date=11/20/17 10:10:56
ProcessBlock: ACCEPTED
SetBestChain: new best=bb831330ced8366b7095c5a71267b8cd3ef5ef5078ee00aea57fcbde79d21732 height=1781474 trust=569913028971501803220 blocktrust=490983579721315 date=11/20/17 10:12:16
ProcessBlock: ACCEPTED
SetBestChain: new best=eb4205fb93f5e6c6aeacbff987564f3ec4e1488a6e0c57a000299ab3625741d9 height=1781475 trust=569913520714206297916 blocktrust=491742704494696 date=11/20/17 10:14:24
ProcessBlock: ACCEPTED
SetBestChain: new best=0def539c364181bb509653a291a50783b49d79aa1cf79fc1e4377c963413e1b2 height=1781476 trust=569914012968678030572 blocktrust=492254471732656 date=11/20/17 10:16:00
ProcessBlock: ACCEPTED
bool LoadExternalBlockFile(FILE*)() : Deserialize or I/O error caught during load
Loaded 5782 blocks from external file in 976515ms
ProcessBlock: ACCEPTED
SetBestChain: new best=bb831330ced8366b7095c5a71267b8cd3ef5ef5078ee00aea57fcbde79d21732 height=1781474 trust=569913028971501803220 blocktrust=490983579721315 date=11/20/17 10:12:16
ProcessBlock: ACCEPTED
SetBestChain: new best=eb4205fb93f5e6c6aeacbff987564f3ec4e1488a6e0c57a000299ab3625741d9 height=1781475 trust=569913520714206297916 blocktrust=491742704494696 date=11/20/17 10:14:24
ProcessBlock: ACCEPTED
SetBestChain: new best=0def539c364181bb509653a291a50783b49d79aa1cf79fc1e4377c963413e1b2 height=1781476 trust=569914012968678030572 blocktrust=492254471732656 date=11/20/17 10:16:00
ProcessBlock: ACCEPTED
bool LoadExternalBlockFile(FILE*)() : Deserialize or I/O error caught during load
Loaded 5782 blocks from external file in 976515ms
This was a key block number in my prior setup days ago during my posts. Something is definately wrong. I could understand the random getting disconnected as maybe internet went down; however, at key block numbers is too coincidental. This is definately AFTER the 2GB blk file is created.
So, my file is now....
blk0002.dat 47.9 MB ( 50,328,045 bytes) sha256 ABFE04484E56047C449E7BB983BF4AFA056195DB623999FFA1955AC697ED6557 at 1781476
Clam version v1.4.17 (2015-09-23 21:07:15 -0300)
Using OpenSSL version OpenSSL 1.0.1j 15 Oct 2014
Looks like an read/write error from your disk. The code is not printing the exact exception so it will be difficult to help you, as it looks a hardware failure and probably hard to replicate in another hardware. Are you using the pre-compiled version or are you compiling it yourself? If yes, please find the attached code in main.cpp
Code:
catch (std::exception &e) {
LogPrintf("%s() : Deserialize or I/O error caught during load\n",
__PRETTY_FUNCTION__);
}
and change to
Code:
catch (std::exception &e) {
std::cerr << e.what();
}
so we can have the exact exception message
May 21, 2018, 11:46:27 AM
I eventually synced. Since I don't use the wallet, I will try a couple of tests.
First, I am using: v1.4.17
Looking in logs, I see the client reaches 751 Orphan blocks. It gets a bunch more, but each one is numbered 751. Basically locks up.
I see others have taken the advice of connect=0 I will run that tonight just as another test / confirmation that it may resolve the issue. Of course, a client update would be needed to make no connections while it is importing blocks.
First, I am using: v1.4.17
Looking in logs, I see the client reaches 751 Orphan blocks. It gets a bunch more, but each one is numbered 751. Basically locks up.
I see others have taken the advice of connect=0 I will run that tonight just as another test / confirmation that it may resolve the issue. Of course, a client update would be needed to make no connections while it is importing blocks.
Well, again, it stopped automatically for me at block 1775693
bootstrap.dat 2.38 GB (2,565,076,446 bytes) sha256 713B93B7458E88500F1E32557F0BC58B9F05A6B13E1DE31576F25F5300184C96
blk0001.dat 1.95 GB (2,097,155,946 bytes) sha256 510D0CABB4208D9A545A0E05FAB2C0C29C225D699E0601A16B2891FACBD2CE98
blk0002.dat 40.1 MB ( 42,074,112 bytes) sha256 4E0425F4E1244A86167460031043C0247B09F5EAEBA6E1BCB4136A91EE0A2394
Here is the snippet from the debug log.
Quote
SetBestChain: new best=33282ccb31e0242458ea8cf426cfb05714753604b37c413a8e95486ca81c7191 height=1775690 trust=567448766874838286320 blocktrust=509240947264508 date=11/16/17 09:02:08
ProcessBlock: ACCEPTED
SetBestChain: new best=81963d01eb963e0bc0f323c5252c67eee91c851e6bdc0552ef3ba5877b1bd9f7 height=1775691 trust=567449274043651486296 blocktrust=507168813199976 date=11/16/17 09:03:44
ProcessBlock: ACCEPTED
SetBestChain: new best=4787753ea648205e9f413cea6001eabf92614869318f469a2733bb016f9a1f5c height=1775692 trust=567449778894470438909 blocktrust=504850818952613 date=11/16/17 09:05:20
ProcessBlock: ACCEPTED
SetBestChain: new best=64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23 height=1775693 trust=567450280914992243496 blocktrust=502020521804587 date=11/16/17 09:06:08
ProcessBlock: ACCEPTED
ERROR: CTransaction::ReadFromDisk() : OpenBlockFile failed
ERROR: FetchInputs() : 6d855febfba9794f14995f90993a2c56444a4c7c5ec561030f983c657dc36492 ReadFromDisk prev tx 31cea8afbee32d452f52028ef310b51c749bbaaffd9ecd3df442b6898b4b641a failed
InvalidChainFound: invalid block=fb790923aa509ff87a97287afd0639efa4763023fb6a7f42691837400f949b77 height=1775694 trust=567450780123264426586 blocktrust=499208272183090 date=11/16/17 09:06:56
InvalidChainFound: current best=64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23 height=1775693 trust=567450280914992243496 blocktrust=502020521804587 date=11/16/17 09:06:08
ERROR: SetBestChain() : SetBestChainInner failed
ERROR: AcceptBlock() : AddToBlockIndex failed
ERROR: ProcessBlock() : AcceptBlock FAILED
ERROR: CTransaction::ReadFromDisk() : OpenBlockFile failed
ERROR: CheckProofOfStake() : INFO: read txPrev failed
ProcessBlock: ORPHAN BLOCK 0, prev=5cc7e18e8e8d3a4d11beac2117869739f2185177262e8fb221baede214ebc0df
ProcessBlock: ORPHAN BLOCK 0, prev=e24425383f3707c7f3b23e90d720e4883a98aeca0c1a3777e317efc9539c81ab
ProcessBlock: ORPHAN BLOCK 0, prev=9109b5f5ed6bc67b4669e3d24823e42bf881b3772bf7a9b53ade463a9be95666
ProcessBlock: ORPHAN BLOCK 0, prev=91afe77917861bf006e7ee797fecbb944dd18ae43ceb0c000674c996de88ffbc
ProcessBlock: ORPHAN BLOCK 0, prev=f15bb5e8275a215b1921865dcc16e64aed9af05cdf6166c8dce7210b4f9ee70d
ProcessBlock: ORPHAN BLOCK 0, prev=f5ef33223365fa4cdfc51d8c3c11340b23f7da3f4d5cdb3facd06f5fc008aaf3
ProcessBlock: ORPHAN BLOCK 0, prev=2a576b57412f46383262a66a7ff966626830b9f6aab3d221e55106489d74cbd7
.
.
.
ProcessBlock: ACCEPTED
SetBestChain: new best=81963d01eb963e0bc0f323c5252c67eee91c851e6bdc0552ef3ba5877b1bd9f7 height=1775691 trust=567449274043651486296 blocktrust=507168813199976 date=11/16/17 09:03:44
ProcessBlock: ACCEPTED
SetBestChain: new best=4787753ea648205e9f413cea6001eabf92614869318f469a2733bb016f9a1f5c height=1775692 trust=567449778894470438909 blocktrust=504850818952613 date=11/16/17 09:05:20
ProcessBlock: ACCEPTED
SetBestChain: new best=64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23 height=1775693 trust=567450280914992243496 blocktrust=502020521804587 date=11/16/17 09:06:08
ProcessBlock: ACCEPTED
ERROR: CTransaction::ReadFromDisk() : OpenBlockFile failed
ERROR: FetchInputs() : 6d855febfba9794f14995f90993a2c56444a4c7c5ec561030f983c657dc36492 ReadFromDisk prev tx 31cea8afbee32d452f52028ef310b51c749bbaaffd9ecd3df442b6898b4b641a failed
InvalidChainFound: invalid block=fb790923aa509ff87a97287afd0639efa4763023fb6a7f42691837400f949b77 height=1775694 trust=567450780123264426586 blocktrust=499208272183090 date=11/16/17 09:06:56
InvalidChainFound: current best=64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23 height=1775693 trust=567450280914992243496 blocktrust=502020521804587 date=11/16/17 09:06:08
ERROR: SetBestChain() : SetBestChainInner failed
ERROR: AcceptBlock() : AddToBlockIndex failed
ERROR: ProcessBlock() : AcceptBlock FAILED
ERROR: CTransaction::ReadFromDisk() : OpenBlockFile failed
ERROR: CheckProofOfStake() : INFO: read txPrev failed
ProcessBlock: ORPHAN BLOCK 0, prev=5cc7e18e8e8d3a4d11beac2117869739f2185177262e8fb221baede214ebc0df
ProcessBlock: ORPHAN BLOCK 0, prev=e24425383f3707c7f3b23e90d720e4883a98aeca0c1a3777e317efc9539c81ab
ProcessBlock: ORPHAN BLOCK 0, prev=9109b5f5ed6bc67b4669e3d24823e42bf881b3772bf7a9b53ade463a9be95666
ProcessBlock: ORPHAN BLOCK 0, prev=91afe77917861bf006e7ee797fecbb944dd18ae43ceb0c000674c996de88ffbc
ProcessBlock: ORPHAN BLOCK 0, prev=f15bb5e8275a215b1921865dcc16e64aed9af05cdf6166c8dce7210b4f9ee70d
ProcessBlock: ORPHAN BLOCK 0, prev=f5ef33223365fa4cdfc51d8c3c11340b23f7da3f4d5cdb3facd06f5fc008aaf3
ProcessBlock: ORPHAN BLOCK 0, prev=2a576b57412f46383262a66a7ff966626830b9f6aab3d221e55106489d74cbd7
.
.
.
Although orphan stays at block 0, no more bestchains appear to have loaded. In the end, I see....
Quote
ProcessBlock: ORPHAN BLOCK 0, prev=166705ff3f78aeda9251ad3bc79bca5c88f461539987dff0747a0062d885de56
ProcessBlock: ORPHAN BLOCK 0, prev=79241ea0703cebdea6a4a766dfdacea7f23319327034a8db346d0ff95f68e758
ProcessBlock: ORPHAN BLOCK 0, prev=4a398a03270b98afa5e0ba0f9d643533b78b708c7a8fd536144cc6fc72684b65
ProcessBlock: ORPHAN BLOCK 0, prev=b18c076bb4e687d959932c85766f0099592f1e4f1995f98d55bc63aa90f23c68
ProcessBlock: ORPHAN BLOCK 0, prev=bb831330ced8366b7095c5a71267b8cd3ef5ef5078ee00aea57fcbde79d21732
ProcessBlock: ORPHAN BLOCK 0, prev=eb4205fb93f5e6c6aeacbff987564f3ec4e1488a6e0c57a000299ab3625741d9
bool LoadExternalBlockFile(FILE*)() : Deserialize or I/O error caught during load
Loaded 1781474 blocks from external file in 42731538ms
dumpaddr thread stop
addcon thread interrupt
net thread interrupt
msghand thread interrupt
opencon thread interrupt
Shutdown : In progress...
StopNode()
Shutdown : done
ProcessBlock: ORPHAN BLOCK 0, prev=79241ea0703cebdea6a4a766dfdacea7f23319327034a8db346d0ff95f68e758
ProcessBlock: ORPHAN BLOCK 0, prev=4a398a03270b98afa5e0ba0f9d643533b78b708c7a8fd536144cc6fc72684b65
ProcessBlock: ORPHAN BLOCK 0, prev=b18c076bb4e687d959932c85766f0099592f1e4f1995f98d55bc63aa90f23c68
ProcessBlock: ORPHAN BLOCK 0, prev=bb831330ced8366b7095c5a71267b8cd3ef5ef5078ee00aea57fcbde79d21732
ProcessBlock: ORPHAN BLOCK 0, prev=eb4205fb93f5e6c6aeacbff987564f3ec4e1488a6e0c57a000299ab3625741d9
bool LoadExternalBlockFile(FILE*)() : Deserialize or I/O error caught during load
Loaded 1781474 blocks from external file in 42731538ms
dumpaddr thread stop
addcon thread interrupt
net thread interrupt
msghand thread interrupt
opencon thread interrupt
Shutdown : In progress...
StopNode()
Shutdown : done
So, I made a backup of the debug.log file at this point, renamed the bootstrap.dat.old back and restarted.
Appears to be running like it should......
Quote
ERROR: ProcessBlock() : already have block 1775690 33282ccb31e0242458ea8cf426cfb05714753604b37c413a8e95486ca81c7191
ERROR: ProcessBlock() : already have block 1775691 81963d01eb963e0bc0f323c5252c67eee91c851e6bdc0552ef3ba5877b1bd9f7
ERROR: ProcessBlock() : already have block 1775692 4787753ea648205e9f413cea6001eabf92614869318f469a2733bb016f9a1f5c
ERROR: ProcessBlock() : already have block 1775693 64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23
ERROR: ProcessBlock() : already have block 1775694 fb790923aa509ff87a97287afd0639efa4763023fb6a7f42691837400f949b77
Postponing 1 reconnects
REORGANIZE
REORGANIZE: Disconnect 0 blocks; 64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23..64aded1cfe367 9857107151e22caa8043908fec2229a2e16b9a7046e0985ca23
REORGANIZE: Connect 1 blocks; 64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23..fb790923aa509 ff87a97287afd0639efa4763023fb6a7f42691837400f949b77
REORGANIZE: done
SetBestChain: new best=5cc7e18e8e8d3a4d11beac2117869739f2185177262e8fb221baede214ebc0df height=1775695 trust=567451276791207500535 blocktrust=496667943073949 date=11/16/17 09:07:28
ProcessBlock: ACCEPTED
SetBestChain: new best=e24425383f3707c7f3b23e90d720e4883a98aeca0c1a3777e317efc9539c81ab height=1775696 trust=567451770931307516863 blocktrust=494140100016328 date=11/16/17 09:07:44
ProcessBlock: ACCEPTED
SetBestChain: new best=9109b5f5ed6bc67b4669e3d24823e42bf881b3772bf7a9b53ade463a9be95666 height=1775697 trust=567452262805132909752 blocktrust=491873825392889 date=11/16/17 09:08:16
.
.
.
.
.
ERROR: ProcessBlock() : already have block 1775691 81963d01eb963e0bc0f323c5252c67eee91c851e6bdc0552ef3ba5877b1bd9f7
ERROR: ProcessBlock() : already have block 1775692 4787753ea648205e9f413cea6001eabf92614869318f469a2733bb016f9a1f5c
ERROR: ProcessBlock() : already have block 1775693 64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23
ERROR: ProcessBlock() : already have block 1775694 fb790923aa509ff87a97287afd0639efa4763023fb6a7f42691837400f949b77
Postponing 1 reconnects
REORGANIZE
REORGANIZE: Disconnect 0 blocks; 64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23..64aded1cfe367 9857107151e22caa8043908fec2229a2e16b9a7046e0985ca23
REORGANIZE: Connect 1 blocks; 64aded1cfe3679857107151e22caa8043908fec2229a2e16b9a7046e0985ca23..fb790923aa509 ff87a97287afd0639efa4763023fb6a7f42691837400f949b77
REORGANIZE: done
SetBestChain: new best=5cc7e18e8e8d3a4d11beac2117869739f2185177262e8fb221baede214ebc0df height=1775695 trust=567451276791207500535 blocktrust=496667943073949 date=11/16/17 09:07:28
ProcessBlock: ACCEPTED
SetBestChain: new best=e24425383f3707c7f3b23e90d720e4883a98aeca0c1a3777e317efc9539c81ab height=1775696 trust=567451770931307516863 blocktrust=494140100016328 date=11/16/17 09:07:44
ProcessBlock: ACCEPTED
SetBestChain: new best=9109b5f5ed6bc67b4669e3d24823e42bf881b3772bf7a9b53ade463a9be95666 height=1775697 trust=567452262805132909752 blocktrust=491873825392889 date=11/16/17 09:08:16
.
.
.
.
.
Annnnnddddd, it fails again.
Quote
SetBestChain: new best=b18c076bb4e687d959932c85766f0099592f1e4f1995f98d55bc63aa90f23c68 height=1781473 trust=569912537987922081905 blocktrust=490474450244869 date=11/20/17 10:10:56
ProcessBlock: ACCEPTED
SetBestChain: new best=bb831330ced8366b7095c5a71267b8cd3ef5ef5078ee00aea57fcbde79d21732 height=1781474 trust=569913028971501803220 blocktrust=490983579721315 date=11/20/17 10:12:16
ProcessBlock: ACCEPTED
SetBestChain: new best=eb4205fb93f5e6c6aeacbff987564f3ec4e1488a6e0c57a000299ab3625741d9 height=1781475 trust=569913520714206297916 blocktrust=491742704494696 date=11/20/17 10:14:24
ProcessBlock: ACCEPTED
SetBestChain: new best=0def539c364181bb509653a291a50783b49d79aa1cf79fc1e4377c963413e1b2 height=1781476 trust=569914012968678030572 blocktrust=492254471732656 date=11/20/17 10:16:00
ProcessBlock: ACCEPTED
bool LoadExternalBlockFile(FILE*)() : Deserialize or I/O error caught during load
Loaded 5782 blocks from external file in 976515ms
ProcessBlock: ACCEPTED
SetBestChain: new best=bb831330ced8366b7095c5a71267b8cd3ef5ef5078ee00aea57fcbde79d21732 height=1781474 trust=569913028971501803220 blocktrust=490983579721315 date=11/20/17 10:12:16
ProcessBlock: ACCEPTED
SetBestChain: new best=eb4205fb93f5e6c6aeacbff987564f3ec4e1488a6e0c57a000299ab3625741d9 height=1781475 trust=569913520714206297916 blocktrust=491742704494696 date=11/20/17 10:14:24
ProcessBlock: ACCEPTED
SetBestChain: new best=0def539c364181bb509653a291a50783b49d79aa1cf79fc1e4377c963413e1b2 height=1781476 trust=569914012968678030572 blocktrust=492254471732656 date=11/20/17 10:16:00
ProcessBlock: ACCEPTED
bool LoadExternalBlockFile(FILE*)() : Deserialize or I/O error caught during load
Loaded 5782 blocks from external file in 976515ms
This was a key block number in my prior setup days ago during my posts. Something is definately wrong. I could understand the random getting disconnected as maybe internet went down; however, at key block numbers is too coincidental. This is definately AFTER the 2GB blk file is created.
So, my file is now....
blk0002.dat 47.9 MB ( 50,328,045 bytes) sha256 ABFE04484E56047C449E7BB983BF4AFA056195DB623999FFA1955AC697ED6557 at 1781476
Clam version v1.4.17 (2015-09-23 21:07:15 -0300)
Using OpenSSL version OpenSSL 1.0.1j 15 Oct 2014
May 21, 2018, 07:28:33 AM
Finally my wallet synced 
But helped only method, when multiple time I closed client, and after change bootstrap.old to bootstrap , run wallet again.(repeated process 5-8 time per day)
But helped only method, when multiple time I closed client, and after change bootstrap.old to bootstrap , run wallet again.(repeated process 5-8 time per day)
May 21, 2018, 06:48:28 AM
Since bootstrapping and syncing are really an annoyance right now, is there any chance to make a checkpoint block with all the balances in the non-empty wallets inside the client and start from there in new releases? It wont have any transactions before that, but it can sync the blocks after the checkpoint block faster and enable the person to do transactions, and do the syncing of older blocks after that without hurry
May 20, 2018, 09:20:48 PM
Net results for me...
It works great until block 1781476. It then runs into an error.
If I had to guess though, I would say this is when the client hits a kind of 2GB windows file limit, an error is flagged and the client then goes into syncing mode instead of importing blocks from the bootstrap.
It works great until block 1781476. It then runs into an error.
If I had to guess though, I would say this is when the client hits a kind of 2GB windows file limit, an error is flagged and the client then goes into syncing mode instead of importing blocks from the bootstrap.
It could be an issue with 2GB filesize limit I guess, or a signed 32 bit variable in the code perhaps. 2^31 = 2147483648.
I would suggest putting "connect=0" in the clam.conf to stop the client ever going to "live sync".
I eventually synced. Since I don't use the wallet, I will try a couple of tests.
First, I am using: v1.4.17
Looking in logs, I see the client reaches 751 Orphan blocks. It gets a bunch more, but each one is numbered 751. Basically locks up.
I see others have taken the advice of connect=0 I will run that tonight just as another test / confirmation that it may resolve the issue. Of course, a client update would be needed to make no connections while it is importing blocks.
May 20, 2018, 03:11:00 PM
I have a new concern now I can do staking but the thing is it says " Expected time to earn reward is 116 days " then sometimes it says 140 days what I mean its changing and even it doesn't go below 100 days . Can you guys enlighten me how staking is working here in clam client ? what are things I should know ? Thanks for those who will answer .
May 19, 2018, 07:08:49 PM
I don't know why some people are having trouble importing my bootstrap.dat file. ... Did anyone try on a proper OS?
I will try that with a fresh compilation of master on Ubuntu 17.10 (assuming for the sake of argument that it broadly qualifies as a proper OS)
It's close enough...
I just noticed that the sum of the sizes of my blk* files is *exacly* the size of the bootstrap.dat I imported:
-rw------- 1 user user 2097155946 May 18 20:10 blk0001.dat
-rw------- 1 user user 467920500 May 19 03:43 blk0002.dat
-rw-rw-r-- 1 user user 2565076446 May 18 00:08 bootstrap.dat.old
I still have "connect=0" in the clam.conf, so it hasn't had a chance to find any blocks newer than the ones in the bootstrap.
Edit: it turns out the two blk files put end to end are identical to the bootstrap file:
~/.clam$ head -c 2097155946 bootstrap* | sha256sum
510d0cabb4208d9a545a0e05fab2c0c29c225d699e0601a16b2891facbd2ce98 -
~/.clam$ sha256sum blk*1*
510d0cabb4208d9a545a0e05fab2c0c29c225d699e0601a16b2891facbd2ce98 blk0001.dat
~/.clam$ tail -c 467920500 bootstrap* | sha256sum
a2d30d536d57eab41d930e2f8d753e60d4af83c1d1fe5dad6c7f5c39475b3d42 -
~/.clam$ sha256sum blk*2*
a2d30d536d57eab41d930e2f8d753e60d4af83c1d1fe5dad6c7f5c39475b3d42 blk0002.dat
May 19, 2018, 06:36:34 AM
I don't know why some people are having trouble importing my bootstrap.dat file. ... Did anyone try on a proper OS?
I will try that with a fresh compilation of master on Ubuntu 17.10 (assuming for the sake of argument that it broadly qualifies as a proper OS)
Cheers
Graham
May 18, 2018, 08:26:28 PM
Apparently I am near to finished it so I guess I do not need to do anything since I'm almost done . It is already @ 2M blocks 3 weeks behind . Yeheey!!! 
Yes, so long as it's syncing fast enough for you you don't need the bootstrap.dat file.
My client is still importing the bootstrap.dat I gave it about 24 hours ago. It's at block 1954760 at the moment, which these blk* file sizes:
-rw------- 1 user user 2097155946 May 18 20:10 blk0001.dat
-rw------- 1 user user 304629563 May 19 01:18 blk0002.dat
The sha256 for the first file:
510d0cabb4208d9a545a0e05fab2c0c29c225d699e0601a16b2891facbd2ce98 blk0001.dat
Will report back when the import crashes or finishes.
Edit: it finished:
I made an updated bootstrap.dat file for people having trouble syncing their client.
It goes up to block 2027900 which was staked on Sat May 12 01:37:52 UTC 2018.
It goes up to block 2027900 which was staked on Sat May 12 01:37:52 UTC 2018.
I don't know why some people are having trouble importing my bootstrap.dat file. Maybe it doesn't work on Windows? Did anyone try on a proper OS?
May 18, 2018, 04:48:17 PM
Where can I find this ( calm.conf ) ?
clam.conf is a file in the same folder as your wallet.dat. You make it yourself - it's a regular text file.
Sir I am already done with bootstrap and it makes my wallet sync fast by " importing files " now it's back to "synchronizing with the network and it takes a day now and it is so slow . I thought bootstrap can go up to 2M blocks now it is just 1.8 M blocks ( approx 19 weeks behind ) is this correct or is there another patch I need to download ?
Well, it's basically the issue being reported.
The client only imports blocks to a certain point and then goes to sync with network. It's either a 2GB file limit for the error or the public bootstrap is broken.
In any case, I've also encountered that the client keeps stopping and has to be restarted, but no indication on the UI. Only that the bkl0002 stops changing in size.
I've been trying for 2 days now with no less than 20 restarts.
At block 1853826 now.... 18 weeks behind.
The restarts are needed to remove the orphan blocks that are currently in memory, hardcoded to 99 in earlier versions of bitcoin if i remember correctly. To avoid this, try
Code:
maxorphanblocks=
in clam.conf
Thanks but I do not think I need to this since I am able to see my clam client is already at 1970000 blocks which is 6 weeks behind and still counting . Is it necessary to do those things you mentioned or I am good to go ?
Only if you have problems syncing, i think. I use 400 during sync, but remove it completely from config file after that, and it keeps synced without any issues
Apparently I am near to finished it so I guess I do not need to do anything since I'm almost done . It is already @ 2M blocks 3 weeks behind . Yeheey!!!
May 18, 2018, 12:58:25 PM
Where can I find this ( calm.conf ) ?
clam.conf is a file in the same folder as your wallet.dat. You make it yourself - it's a regular text file.
Sir I am already done with bootstrap and it makes my wallet sync fast by " importing files " now it's back to "synchronizing with the network and it takes a day now and it is so slow . I thought bootstrap can go up to 2M blocks now it is just 1.8 M blocks ( approx 19 weeks behind ) is this correct or is there another patch I need to download ?
Well, it's basically the issue being reported.
The client only imports blocks to a certain point and then goes to sync with network. It's either a 2GB file limit for the error or the public bootstrap is broken.
In any case, I've also encountered that the client keeps stopping and has to be restarted, but no indication on the UI. Only that the bkl0002 stops changing in size.
I've been trying for 2 days now with no less than 20 restarts.
At block 1853826 now.... 18 weeks behind.
The restarts are needed to remove the orphan blocks that are currently in memory, hardcoded to 99 in earlier versions of bitcoin if i remember correctly. To avoid this, try
Code:
maxorphanblocks=
in clam.conf
Thanks but I do not think I need to this since I am able to see my clam client is already at 1970000 blocks which is 6 weeks behind and still counting . Is it necessary to do those things you mentioned or I am good to go ?
Only if you have problems syncing, i think. I use 400 during sync, but remove it completely from config file after that, and it keeps synced without any issues
May 18, 2018, 12:09:38 PM
Where can I find this ( calm.conf ) ?
clam.conf is a file in the same folder as your wallet.dat. You make it yourself - it's a regular text file.
Sir I am already done with bootstrap and it makes my wallet sync fast by " importing files " now it's back to "synchronizing with the network and it takes a day now and it is so slow . I thought bootstrap can go up to 2M blocks now it is just 1.8 M blocks ( approx 19 weeks behind ) is this correct or is there another patch I need to download ?
Well, it's basically the issue being reported.
The client only imports blocks to a certain point and then goes to sync with network. It's either a 2GB file limit for the error or the public bootstrap is broken.
In any case, I've also encountered that the client keeps stopping and has to be restarted, but no indication on the UI. Only that the bkl0002 stops changing in size.
I've been trying for 2 days now with no less than 20 restarts.
At block 1853826 now.... 18 weeks behind.
The restarts are needed to remove the orphan blocks that are currently in memory, hardcoded to 99 in earlier versions of bitcoin if i remember correctly. To avoid this, try
Code:
maxorphanblocks=
in clam.conf
Thanks but I do not think I need to this since I am able to see my clam client is already at 1970000 blocks which is 6 weeks behind and still counting . Is it necessary to do those things you mentioned or I am good to go ?
May 18, 2018, 08:44:51 AM
Talking about bootstrap, what version of windows did you try?
I don't use Windows and haven't for many years. I think the last version I used was XP.
May 18, 2018, 07:36:46 AM
The restarts are needed to remove the orphan blocks that are currently in memory, hardcoded to 99 in earlier versions of bitcoin if i remember correctly. To avoid this, try
in clam.conf
Code:
maxorphanblocks=
in clam.conf
We're talking about importing from a bootstrap.dat file. Bootstrap files don't contain orphans, and no network connections are made until the bootstrap.dat import finishes.
Right, but the use of this config makes the process of syncing a lot faster without the need for a bootstrap as he is only 18 weeks behind. Maybe in the new version this problem with the bootstrap file is corrected, but until there they need to sync as fast as possible.
Talking about bootstrap, what version of windows did you try? I think windows limits memory usage for each process to 2gb in the 32 bits version, maybe this have any correlation
https://en.wikipedia.org/wiki/2_GB_limit
May 18, 2018, 07:22:39 AM
The restarts are needed to remove the orphan blocks that are currently in memory, hardcoded to 99 in earlier versions of bitcoin if i remember correctly. To avoid this, try
in clam.conf
Code:
maxorphanblocks=
in clam.conf
We're talking about importing from a bootstrap.dat file. Bootstrap files don't contain orphans, and no network connections are made until the bootstrap.dat import finishes.
May 18, 2018, 07:12:50 AM
Sir I am already done with bootstrap and it makes my wallet sync fast by " importing files " now it's back to "synchronizing with the network and it takes a day now and it is so slow . I thought bootstrap can go up to 2M blocks now it is just 1.8 M blocks ( approx 19 weeks behind ) is this correct or is there another patch I need to download ?
Well, it's basically the issue being reported.
The client only imports blocks to a certain point and then goes to sync with network. It's either a 2GB file limit for the error or the public bootstrap is broken.
In any case, I've also encountered that the client keeps stopping and has to be restarted, but no indication on the UI. Only that the bkl0002 stops changing in size.
I've been trying for 2 days now with no less than 20 restarts.
At block 1853826 now.... 18 weeks behind.
The restarts are needed to remove the orphan blocks that are currently in memory, hardcoded to 99 in earlier versions of bitcoin if i remember correctly. To avoid this, try
Code:
maxorphanblocks=
in clam.conf
May 18, 2018, 06:14:48 AM
It could be an issue with 2GB filesize limit I guess, or a signed 32 bit variable in the code perhaps. 2^31 = 2147483648.
I see a problem when the bootstrap.dat reaches 4 GB, due to the use of an unsigned int, but don't see a 2 GB limit yet:
https://github.com/nochowderforyou/clams/blob/v1.4.17/src/main.cpp#L2870
Code:
unsigned int nPos = 0;
[...]
fseek(blkdat, nPos, SEEK_SET);
[...]
fseek(blkdat, nPos, SEEK_SET);
Edit: I tried making a bootstrap.dat file which started with 4000 MB of zero bytes and then had the regular block data. The client quickly skipped the first 4000 MB and started complaining:
2018-05-18 12:16:03 ERROR: ProcessBlock() : already have block 0 00000c3ce6b3d823a35224a39798eca9ad889966aeb5a9da7b960ffb9869db35
2018-05-18 12:16:03 ERROR: ProcessBlock() : already have block 1 00000feca63cbde350712358668e0fe90e96c97efab3f0ff5fd9f3147dd2f53e
2018-05-18 12:16:03 ERROR: ProcessBlock() : already have block 2 0000042f7f9811948352d2ecc9215916f2276a5259ca4cdc4ccfb77a72ed8ebc
as expected. But then, after 96 MB of block data it wrapped around:
2018-05-18 12:16:10 ERROR: ProcessBlock() : already have block 8571 000006ff5c3a5829e0da80d9afb609435e887c51123f5afeb5f6afe5da819423
2018-05-18 12:16:10 ERROR: ProcessBlock() : already have block 8572 0000022cc43c5975e8ec01d978179b1fa3b26e9fad73aa2306c85f82854fad35
2018-05-18 12:16:10 ERROR: ProcessBlock() : already have block 8573 00000574ef1a20a79eb9c3525ed69af881e778f2100559d340fbc06ca1252240
2018-05-18 12:16:10 ERROR: ProcessBlock() : already have block 0 00000c3ce6b3d823a35224a39798eca9ad889966aeb5a9da7b960ffb9869db35
2018-05-18 12:16:10 ERROR: ProcessBlock() : already have block 1 00000feca63cbde350712358668e0fe90e96c97efab3f0ff5fd9f3147dd2f53e
2018-05-18 12:16:10 ERROR: ProcessBlock() : already have block 2 0000042f7f9811948352d2ecc9215916f2276a5259ca4cdc4ccfb77a72ed8ebc
So that's the 4 GB bug, but we won't be seeing that yet.
I tried putting 2100 MB of zero bytes before the bootstrap data and it seemed to be able to skip the >2 GB of junk just fine. So I don't know what the problem is yet.
My import that I started earlier is still running. I'll leave it running and see whether it eventually fails or not.
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