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1  Alternate cryptocurrencies / Altcoin Discussion / TRC: 32-bit Linux client cannot synchronize with TerraCoin network on: June 02, 2013, 06:56:55 AM

I try to synchronize my client with TerraCoin network but I cannot get the latest blocks those I see at

I run the latest version of TRC SW from GIT at 32-bit Linux box;
I tried several times to synchronize my client that was offline for few days and I finish in blind allay. Like this:

TRCoin$ ./terracoind getinfo
    "version" : 80000,
    "protocolversion" : 70001,
    "walletversion" : 60000,
    "balance" : 0.00000000,
    "blocks" : 137429,
    "timeoffset" : -2,
    "connections" : 4,
    "proxy" : "",
    "difficulty" : 5254.96236407,
    "testnet" : false,
    "keypoololdest" : 1370150464,
    "keypoolsize" : 101,
    "paytxfee" : 0.00000000,
    "errors" : ""

Sometimes I get to different state but I cannot synchronize with the network. I hope you can replicate this problem, just start fresh TerrcoinClient and try to synchronize. I tried several times...

Troubles start at block 137162. I see in .terracoin/debug.log that there are many clients on network those are in bad state.

This is one version of block chain I received:

TRCoin$ for I in {137160..137170}; do echo "$I: $(./terracoind getblockhash $I)"; done
137160: 0000000000027bb9e06f2811ef8cdac16ab0fa9a50f60556652fc9b8741692a6
137161: 000000000002fd58866ebe4bf20cc4f125d0f73a8f3062af33cf2a51b28e3101
137162: 000000000004448227cc755bb5b24c3c09d14d960f490227579cd9685fb33e7d !!!
137163: 0000000000048491747e46c82406ebc819677e1dd98f4bf9b60ecbb741bb9466
137164: 000000000005ff203bec45e1be7434ea3e160563f72339e91c8036d65c97e80b
137165: 000000000004cb33d4d7bfbfde9a789b0a1399152e15c9990c14193dad35ba5d
137166: 000000000001e0d9aec3e887e9eb7b38440eb8bc70cad26194b7111b0682b270
137167: 0000000000050e06cf00e11342e00e1476632ed0aa257d06e65ac291042c26b6
137168: 000000000001711ef7abe0bb0e909c619e0addac20ef30dc354268fa56e0e0d2
137169: 000000000002206c363c8ce4aae47b66f36991250a5369321846bd8cc1ebd0a7
137170: 000000000002d28a32b8e7f068c3ed13f97832731cd50e7991f766cdc6ae5f66

Notice that my block 137162 is different from

So, I touched source code and added checkpoint:

terracoin$ git diff
diff --git a/src/checkpoints.cpp b/src/checkpoints.cpp
index 78449ec..9205ff4 100644
--- a/src/checkpoints.cpp
+++ b/src/checkpoints.cpp
@@ -91,6 +91,7 @@ namespace Checkpoints
        (107368, uint256("0x000000000009062fe1b4c0654b3d152282545aa8beba3c0e4981d9dfa71b1eaa"))
        (108106, uint256("0x00000000000282bf4e2bd0571c42165a67ffede3b81f2387e301369162107020"))
        (110197, uint256("0x0000000000002d863064910c8964f5d8e2883aca9760c19368fe043263e2bfdd"))
+       (137162, uint256("0x00000000000342fd6e38765cc6f8f56d60c49e3e9522a54d99f561d35800a293"))
     static const CCheckpointData data = {

I recompiled terracoind, deleted downloaded blocks chain and started TRC client to download fresh blocks.

This is a surprise I see in .terracoin/debug.log:

received block 00000000000342fd6e38765cc6f8f56d60c49e3e9522a54d99f561d35800a293 from
ERROR: AcceptBlock() : incorrect proof of work
ERROR: ProcessBlock() : AcceptBlock FAILED

This message explains why I cannot download the latest blocks!
Could you explain me this mystery? Do I miss something?? From my point of view, TRC network is not healthy for several days. On the other side, I see that pool, like Coinotron, creates fresh blocks and there are several clients on network those have the latest blocks...

I am sorry, this post was too technical.
Thank you for your help!
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