SHA 256 MERKLE ROOT problem.

[DIESELNY]

Hello,

When i try to run my coin-qt i'l get this error.

Terminal :

Code:

./rhinoxcoin-qt
rhinoxcoin-qt: src/main.cpp:2802: bool InitBlockIndex(): Assertion `block.hashMerkleRoot == uint256("0xc3e530365aa74d32d5115aab6feb707ce72d82ee72b8693b213751b5e4ceaf7e")' failed.
Aborted (core dumped)

Debug log :

Code:

2018-04-24 11:29:57 Rhinoxcoin version v0.8.6.0-g9d11aba4c477-beta ()
2018-04-24 11:29:57 Using OpenSSL version OpenSSL 1.0.2g  1 Mar 2016
2018-04-24 11:29:57 Default data directory /home/dave/.rhinoxcoin
2018-04-24 11:29:57 Using data directory /home/dave/.rhinoxcoin
2018-04-24 11:29:57 Using at most 125 connections (1024 file descriptors available)
2018-04-24 11:29:57 Using 4 threads for script verification
2018-04-24 11:29:57 init message: Verifying wallet...
2018-04-24 11:29:57 dbenv.open LogDir=/home/dave/.rhinoxcoin/database ErrorFile=/home/dave/.rhinoxcoin/db.log
2018-04-24 11:29:57 Bound to [::]:2333
2018-04-24 11:29:57 Bound to 0.0.0.0:2333
2018-04-24 11:29:57 init message: Loading block index...
2018-04-24 11:29:57 Opening LevelDB in /home/dave/.rhinoxcoin/blocks/index
2018-04-24 11:29:57 Opened LevelDB successfully
2018-04-24 11:29:57 Opening LevelDB in /home/dave/.rhinoxcoin/chainstate
2018-04-24 11:29:57 Opened LevelDB successfully
2018-04-24 11:29:57 LoadBlockIndexDB(): last block file = 0
2018-04-24 11:29:57 LoadBlockIndexDB(): transaction index disabled
2018-04-24 11:29:57 Initializing databases...
2018-04-24 11:29:57 a7ad3499136bfb1d2cfbfb94ad8e1d28b447ea8b29bb40076cdf82572e224d39
2018-04-24 11:29:57 00000000a92bc246551b51a7b3794903d926cd3eeac2bc235eb243da88041d95
2018-04-24 11:29:57 55fb2cea67523e56269a3ab7c6d2db681e7c920421f324068658044bf13706f1

I have created a genenis hash for the main net and test net using the script but cannot get it to work..

Using the following data :

Scriptpubkey: 041c412c1c519b891fe3c6e23a31c99c76a61a1d76740aa7e44cef513b53bf8ab07f230db005313eb6e7328b4da569eafa36c33013d54c8677cc75db7667937a56
PSZTIMESTAMP : NY TIMES 23 APRIL 2018Avengers the Most Lucrative Movie Franchise Ever Is Wrapping Up Why
ALGORITHM : SHA256 
EPOCH TIME : auto

Code:
MAIN NET :
 
GENESISHASH: 00000000a92bc246551b51a7b3794903d926cd3eeac2bc235eb243da88041d95
TIME : 1524508661
NONCE : 1189467988
MERKLE : c3e530365aa74d32d5115aab6feb707ce72d82ee72b8693b213751b5e4ceaf7e
 

TEST NET :

GENESISHASH: 000000005794bc41eaabeaff7ae7ff99c632add8066f92d7a3c252ceb9e0c2af
TIME : 1524559326
NONCE:  1706123325
MERKLE : c3e530365aa74d32d5115aab6feb707ce72d82ee72b8693b213751b5e4ceaf7e

It seems that something is wrong with the merkle root, any solutions , or am i doing something wrong here ?

Greetings Dave.

[followtheart]

merkle hash should be sth like:

0x55fb2cea67523e56269a3ab7c6d2db681e7c920421f324068658044bf13706f1

in image

[DIESELNY]

Thanks for your reply,

It seems like im using this script wrong i guess. Im using ubuntu and edit the values in the script directly.

I use this command to output the Pubkey hex : openssl ec -in testnetalert.pem -text > genesiscoinbase.hex

This is how i search for my hash,

Am i doing something wrong or ?

It seems like the script is getting the wrong merkle hash and is hashing a genesisblock, but once i change the merkle hash to the one you provided and is in my debug log, it says wrong genesishash ...

[followtheart]

May be you have some parameter diff. If you have trouble with this scripts. you can also add some code like below in function InitBlockIndex（Litecoin）

        //// debug print
        if(block.GetHash()!=hashGenesisBlock){
            uint256 powhash=block.GetPoWHash();
            while (powhash > bnProofOfWorkLimit.getuint256()){
                if (++block.nNonce==0) break;
                powhash = block.GetPoWHash();
            }
            printf("HASH WE NEED 0x%s\n", block.GetHash().ToString().c_str());
            printf("hashGenesisBlock 0x%s\n", hashGenesisBlock.ToString().c_str());
            printf("MerkleRoot 0x%s\n", block.hashMerkleRoot.ToString().c_str());
            printf("nNounce %d\n",block.nNonce);
        }
        assert(block.hashMerkleRoot == uint256("zaobi-genesis-merkleroot"));
        block.print();
        assert(block.GetHash() == hashGenesisBlock);

Build and running your wallet(need some time,first run), You will get an usable genesis block in debug logs. always works.

[DIESELNY]

Hello, Thanks for your reply,

I sorted it out , used your python code from github, had something to do with the UTF-8, now it's hashing the correct parameters.

THanks.

2018-04-25 17:10 GMT+02:00 followtheart [email protected]:

May be you have some parameter diff. If you have trouble with this scripts. you can also add some code like below in function InitBlockIndex（Litecoin）

    //// debug print
    if(block.GetHash()!=hashGenesisBlock){
        uint256 powhash=block.GetPoWHash();
        while (powhash > bnProofOfWorkLimit.getuint256()){
            if (++block.nNonce==0) break;
            powhash = block.GetPoWHash();
        }
        printf("HASH WE NEED 0x%s\n", block.GetHash().ToString().c_str());
        printf("hashGenesisBlock 0x%s\n", hashGenesisBlock.ToString().c_str());
        printf("MerkleRoot 0x%s\n", block.hashMerkleRoot.ToString().c_str());
        printf("nNounce %d\n",block.nNonce);
    }
    assert(block.hashMerkleRoot == uint256("zaobi-genesis-merkleroot"));
    block.print();
    assert(block.GetHash() == hashGenesisBlock);

Build and running your wallet(need some time,first run), You will get an usable genesis block in debug logs. always works.

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[realChainLife]

Hey, what do mean UTF-8 issue? I'm getting the same assertion error you were getting after compiling

Hello, Thanks for your reply, I sorted it out , used your python code from github, had something to do with the UTF-8, now it's hashing the correct parameters. THanks. 2018-04-25 17:10 GMT+02:00

[TheRidDlerX]

Hello, Thanks for your reply, I sorted it out , used your python code from github, had something to do with the UTF-8, now it's hashing the correct parameters. THanks. 2018-04-25 17:10 GMT+02:00 followtheart [email protected]:

Hi there. Do you mind sharing what the issue was with UTF-8 and how you resolved it? Im having the same issue with the GenesisH0 script but for scrypt. Thank you