Questions tagged [getmemorypool]

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1answer
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How long are orphaned or stale blocks kept in bitcoin core nodes memory?

If there was a chain reorg, for example: Blockchain: 0a---1a---2a---3a becomes... 0a---1a---2b---3b How long are blocks 2b and 3b kept in memory on the node? If I query the node for block 2b ...
1
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1answer
216 views

Is there a way to get the memory pool in order of newest first?

I'm trying to list out the results of getrawmempool by newest transactions first. Here's what I've got: getrawmempool returns the memory pool in order of transaction hash, so I'm using PHP to sort ...
1
vote
1answer
77 views

Bitcoin core does not have all unconfirmed transactions

I am running bitcoinqt and checking for new transaction for payments I made using getrawmempool. Payments were made NOT from/to the mentioned bitcoinqt wallet address. As I see some my unconfirmed ...
4
votes
2answers
593 views

bitcoind getrawmempool without downloading the full blockchain

I'm running bitcoind from a small virtual machine on digitialocean. I'm interested only in looking at the new transactions in bitcoind getrawmempool Is there a way to get these transactions without ...
3
votes
1answer
287 views

What did getmemorypool do?

To speak the truth, I don't really know what getmemorypool did before, I'm having a hard time trying to figure out. And why is getmemorypool obsolete? What replaced it for internal work generation? ...
1
vote
1answer
144 views

Getmemorypool responses

What is the expected response for a getmemorypool RPC call to a standard client, when calling it with data field? I'm mainly interested in such factors as: Will the call return true if a sent block ...
3
votes
2answers
305 views

Getmemorypool example?

I'm currently trying to figure out how to properly use Getmemorypool for mining and I'm having some problems with it. Are there any examples provided somewhere on how to properly call that RPC with ...
1
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2answers
134 views

Proper getmemorypool data endianness?

As there are a couple endiannesses used by Bitcoin, what is the proper way to encode the data parameter for a getmemorypool JSON API call?
4
votes
2answers
179 views

How soon does bitcoind incorporate locally solved blocks into its 'getwork' output?

If one sends a solved block to bitcoind server using getmemorypool or getwork, and right after that requests a new block using the same API call, what will the server respond with? Assuming the data ...
2
votes
1answer
273 views

Getwork and GetMemoryPool - why is previous block hash different?

When I called: print bitcoin.getmemorypool() print bitcoin.getwork() using Python JSON for a testnet BitcoinQT server, I got the following responces: {'previousblockhash': '...
3
votes
1answer
341 views

How to merged mine with getmemorypool RPC command?

The getmemorypool RPC command lists all transactions that are to be included in a block, with the exclusion of the generating transaction. In merged mining, one needs to add an extra transaction ...