1

I use the multibit wallet which I understand doesn't download the whole bitcoin core i.e. the entire block chain, but it must use the bitcoin core protocol right? So how do I see which version of the protocol my wallet is using?

1

In the Multibit data directory, there is a file called log/multibit.log. When you connect to a peer, it will write something like this to the log:

20:01:26.124 [bitcoinj user thread] DEBUG o.m.c.b.BitcoinPeerEventListener - Connected to peer:
client version: 70002
local services: 1
time:           1424228484
my addr:        [xx.xx.xx.xx]:51127
their addr:     [xx.xx.xx.xx]:8333
sub version:    /Satoshi:0.10.0/
best height:    343977
delay tx relay: true

The 'sub version' field contains the version in a human readable format. The 'client version' field contains a machine-readable protocol version.

4
  • Perfect thanks Nick! I appreciate the link to finding the Multibit data directory as well. So bounus question, I see my wallet last used Satoshi:0.9.2.1, but I see it skips around, what determines which version it uses? Feb 19 '15 at 1:58
  • @JonathanChadFaling It connects to nodes owned by other people, so it's whatever they decide to run.
    – Nick ODell
    Feb 19 '15 at 2:17
  • This is not entirely true. Looking at blockchain.info/connected-nodes, lots of nodes have same 'client version' but vastly differently 'sub versions'.
    – Jus12
    Jul 4 '15 at 15:24
  • @Jus12 It's because the protocol version and the client version are different.
    – Nick ODell
    Jul 4 '15 at 15:54
0

On Bitcoin Core go to Windows > Console (CTRL+T). Then, type:

getwalletinfo

Should show you a json with the wallet version. Not sure if multibit software has that option thought.

-2

You can find this out on the command line with:

$ bitcoin-cli getinfo

This will give you an output like this:

{   
    "version" : 90400,
    "protocolversion" : 70002,
    "walletversion" : 60000,
    "balance" : 0.62950000,
    "blocks" : 323377,
    "timeoffset" : -5,
    "connections" : 9,
    "proxy" : "",
    "difficulty" : 1.00000000,
    "testnet" : true,
    "keypoololdest" : 1412131069,
    "keypoolsize" : 101,
    "paytxfee" : 0.00000000,
    "relayfee" : 0.00001000,
    "errors" : ""
}

Version is the actual bitcoin core version and probably what you're looking for.

2
  • This appears to get the version of a local bitcoind instance. I don't think that's what the asker is asking about.
    – Nick ODell
    Feb 18 '15 at 3:04
  • Gah, you're right
    – Jimmy Song
    Feb 18 '15 at 3:05

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