mining pools - Example accepted getwork function input and ...

Trying to salvage some coins from 2013. Core (bitcoin-qt.exe v0.8.1-beta on Windows 8.1) is taking weeks to DL the blockchain as expected but keeps crashing now. Can I upgrade to a newer version without losing what I've gotten already (about 75% complete)?

Currently there are 134305 blocks remaining. When I start it up it works pretty smoothly for a while but then slows down. I leave it running while I'm gone but the last several days when I've come back it has crashed and gives me an I/O error, and I have to hit OK then start it back up. It does appear to be further along when I start it back up but not by a whole lot. So this has really slowed my progress. It's reindexed about 75% though, and so I don't want to start over from the beginning.
The drive it is on has ~400gb of free space so that's not the issue. I have 8gb of memory, and the task manager says bitcoin is taking up about 500mb, but it's using 60-85% of my cpu at a time.
If I download a newer version of core, I can just copy/paste the old wallet.dat file, right? But wouldn't it have to start downloading the entire blockchain again from the beginning? If so, is there any quicker method?
While typing this, it crashed twice. It only runs for about 10 minutes.
The version I have doesn't have any settings I can change. I read that there's a db size limit you can change in later versions that could help. This one does have a "debug window" with a command line console but I don't really know what to do with it. Here is a list of available commands: 
addmultisigaddress <'["key","key"]'> [account]
addnode
backupwallet
createmultisig <'["key","key"]'>
createrawtransaction [{"txid":txid,"vout":n},...] {address:amount,...}
decoderawtransaction
dumpprivkey
encryptwallet
getaccount
getaccountaddress
getaddednodeinfo [node]
getaddressesbyaccount
getbalance [account] [minconf=1]
getblock
getblockcount
getblockhash
getblocktemplate [params]
getconnectioncount
getdifficulty
getgenerate
gethashespersec
getinfo
getmininginfo
getnewaddress [account]
getpeerinfo
getrawmempool
getrawtransaction [verbose=0]
getreceivedbyaccount [minconf=1]
getreceivedbyaddress [minconf=1]
gettransaction
gettxout [includemempool=true]
gettxoutsetinfo
getwork [data]
help [command]
importprivkey [label] [rescan=true]
keypoolrefill
listaccounts [minconf=1]
listaddressgroupings
listlockunspent
listreceivedbyaccount [minconf=1] [includeempty=false]
listreceivedbyaddress [minconf=1] [includeempty=false]
listsinceblock [blockhash] [target-confirmations]
listtransactions [account] [count=10] [from=0]
listunspent [minconf=1] [maxconf=9999999] ["address",...]
lockunspent unlock? [array-of-Objects]
move [minconf=1] [comment]
sendfrom [minconf=1] [comment] [comment-to]
sendmany {address:amount,...} [minconf=1] [comment]
sendrawtransaction
sendtoaddress [comment] [comment-to]
setaccount
setgenerate [genproclimit]
settxfee
signmessage
signrawtransaction [{"txid":txid,"vout":n,"scriptPubKey":hex,"redeemScript":hex},...] [,...] [sighashtype="ALL"]
stop
submitblock [optional-params-obj]
validateaddress
verifymessage

submitted by closer_to_the_flame to Bitcoin [link] [comments]

UPDATE: Virus found on my mining rig

Context here
I was able to run a wireshark on the packets and traced down what and where the data was coming from. This is the TCP Stream that lead me to 50btc
Authorization: Basic anJvZHJpZ3VlejQ0MkBvdXRsb29rLmNvbTpwYXNzd29yZA== Host: pool.50btc.com:8332 Accept: */* Accept-Encoding: deflate, gzip Content-type: application/json X-Mining-Extensions: longpoll midstate rollntime submitold Content-Length: 44 User-Agent: cgminer 2.10.4 {"method": "getwork", "params": [], "id":0} HTTP/1.1 200 OK server: 50BTC X-Long-Polling: http://pool.50btc.com:8331/LP X-Blocknum: 231342 X-Roll-NTime: expire=120 Content-Length: 607 Content-Type: application/json;charset=ISO-8859-1 { "error": null, "id": 0, "result": { "data": "000000025ecbc41aa5897932445af6485e044d24faedffe58daae1ae00000212000000007655b172b85920f3f03f8290b6abc4e6fb684bc374b3a89d6097a01a518fc45e516b00331a022fbe00000000000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000", "hash1": "00000000000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000010000", "midstate": "50810233b8406896d763a6a432c16bda68080ecf1740d2e5336d6292af334dad", "target": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffff00000000" } } 
So I emailed the pool and this is the reponse to me telling them they have fraudulent miners.
Hello, *!
Thanks ofr the feedback. Suspicious accounts was blocked, if you'll find any more bots, please let us know.
Your help is much appreciated! Best regards, team 50btc.com
Kudos to 50btc.com for taking care of the issue and if you find that your GPU is being used while your PC is idle start by looking at the task manager as regular virus programs will no detect miners yet. Malware Bytes will tag cgminer and others as PUP (Potentially unwanted programs) but this is only on a full scan. Track down the offending exe and before you delete it run a wireshark and see where it is mining too.
Be safe out there.
submitted by ruffneck123 to BitcoinMining [link] [comments]

SporeStack: Launching a server with Bitcoin (Part 1) Bitcoin JSON-RPC Tutorial 6 - JSON Parameters and Errors How Does Bitcoin Work? - YouTube Bitcoin Fights to BREAK Resistance! Exchange HAVOC Due to ... Dynamic Link with Parameter DS

Bitcoin Core integration/staging tree. Contribute to bitcoin/bitcoin development by creating an account on GitHub. Bitcoin Core integration/staging tree. Contribute to bitcoin/bitcoin development by creating an account on GitHub. Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-currency enthusiasts. It only takes a minute to sign up. Sign up to join this community . Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Bitcoin . Home ; Questions ; Tags ; Users ; Jobs; Unanswered ; Please explain getwork. Ask Question Asked 7 years, 5 months ago. Active 4 ... Dismiss Join GitHub today. GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together. Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-currency enthusiasts. It only takes a minute to sign up. Sign up to join this community . Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Bitcoin . Home ; Questions ; Tags ; Users ; Unanswered ; Jobs; Example accepted getwork function input and output? Ask Question Asked 7 ...

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SporeStack: Launching a server with Bitcoin (Part 1)

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