24
votes
Accepted
What Ports Does Monero Use? (RPC, P2P, etc.)
On the daemon side (bitmonerod)
P2P Port is the one used to connect with the other nodes on the network (or locally in some cases).
RPC port (Remote Procedure Call) is used to let other applications ...
- 3,339
11
votes
Accepted
Why was 0MQ selected to replace the current RPC system?
I cannot speak to all of the pros/cons of using zmq, as it was decided upon before I started work on it.
So far, I'd say that if you use it well it gets out of your way, but does all the networking ...
- 126
9
votes
Accepted
Calculate fee before sending while using RPC calls
Knowing the transaction fee in advance is not possible [1], due to two reasons:
the output selection is randomized, so sending, eg, 100 monero several times will potentially need different fees, for ...
- 34.6k
9
votes
What Ports Does Monero Use? (RPC, P2P, etc.)
You can run Monero without an open port but others will not be able to connect to your node in order to help synchronize their nodes.
Open port 18080 to allow incoming P2P connections. The RPC port ...
- 4,546
8
votes
Accepted
Can someone give me an example of doing a json-rpc call such as getbalance in java
Ok i managed to do it, here is the code:
String curlCode ="./getBalance";
System.out.println(curlCode);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(...
- 456
7
votes
Why was 0MQ selected to replace the current RPC system?
In addition to efficiency improvements over the current RPC system, OMQ will enable walletnotify and blocknotify functionality.
After OMQ is merged, the new RPC API notification can be made ...
- 4,546
7
votes
Accepted
TLS and authentication for RPC
The dev branch has been canned, and the 0MQ effort is being refactored / partially rewritten by tewinget. Unfortunately the net_skeleton licensing issue isn't one we can work around, as far as we can ...
- 5,079
7
votes
What Ports Does Monero Use? (RPC, P2P, etc.)
The bitmonerod defaults are:
Mainnet:
P2P: 18080
RPC:18081
Testnet:
P2P: 28080
RPC: 28081
The wallet's RPC port has no default.
Wallet and daemon may use 53 for DNS, which is optional.
It is ...
- 34.6k
7
votes
RPC method to translate key_offsets
The method is get_outs.
Here is an example of a query:
curl -X POST http://127.0.0.1:18081/get_outs \
-d '{"outputs" : [{"amount":500000000000, "index":154735}]}' \
-H 'Content-Type: ...
- 2,938
6
votes
Accepted
How do I use a computer with a wallet to access a headless node at my home?
Yep! That can totally work. We'll call your headless node the Monerodo for simplicities sake (Monerodo = Monero Node).
On the Monerodo you want to launch monero with the following flag:
monerod --...
- 5,656
6
votes
Accepted
Protecting myself from myself
This isn't available in the wallet software yet, but it is technically possible to set an "unlock_time" on a transaction:
How to use unlock_time?
The idea being that you could pass a future date in ...
- 1,257
6
votes
Accepted
Difference between --rpc-bind-ip 0.0.0.0, or loopback, or actual IP
This is a basic networking question, not specific to Monero.
0.0.0.0 means "any address" - it will bind to every network interface on the machine. So it will listen to requests from anywhere.
Using ...
- 4,203
6
votes
Accepted
How to get the entire block blob for submission after mining nonce
The getbklocktemplate RPC returns a blockhashing_blob and a blocktemplate_blob.
You can either try to find a nonce (4 bytes) by mining using the blockhashing_blob, or you can try to find two nonces (...
- 3,304
6
votes
Accepted
How to get network hashrate from monero daemon via RPC?
You can call the getinfo RPC, which contains the two values you want: difficulty (the threshold a hash must meet to be a valid block) and target (the number of seconds the monero network attempts to ...
- 34.6k
5
votes
Accepted
C# simplewallet RPC calls
I think you should have a look at Monero's official Wallet RPC documentation. There's an example for each command.
Update: Those examples use the curl utility to send the HTTP request. The meaning of ...
- 4,489
5
votes
Accepted
As of 0.10.1.0, how do you use monero-wallet-rpc?
If you previously ran simplewallet in CLI mode (or 0.10's monero-wallet-cli in RPC mode) then you would simply transition to using monero-wallet-rpc with the same flags. As always, running the binary ...
- 5,079
5
votes
Accepted
How to extract data from local blockchain
Run a local daemon, and then use the daemon RPC API to query it for blocks:
https://getmonero.org/knowledge-base/developer-guides/daemon-rpc
- 8,398
5
votes
Accepted
getbalance json-rpc call just gives one big integer
The "human friendly" amounts have a decimal place at 12 digits, so in this case, 140000000000 atomic units would be 0.140000000000 monero.
- 34.6k
5
votes
How do the new rpc-payment... options for monerod work?
Quoting the relevant commit message:
daemon, wallet: new pay for RPC use system
Daemons intended for public use can be set up to require payment
in the form of hashes in exchange for RPC service. ...
- 17.4k
4
votes
Can't request balance using RPC
Here's the curl command I use:
curl -X POST http://127.0.0.1:5000/json_rpc -d '{"jsonrpc":"2.0","method":"getbalance","id":"test"}' -H "Content-Type: application/json"
Your JSON seems to be ...
- 1,058
4
votes
Accepted
How to convert curl to http url
The HTTP url is: http://127.0.0.1:18082/json_rpc
When you mean with HTTP url, a url that you can type into your browser, than its not possible to achieve the same request with only the HTTP url.
...
- 975
4
votes
Accepted
How do I set the user agent in simplewallet?
To set the user agent, when you are launching simplewallet you want to do something like the following:
./simplewallet --wallet-file <filename> --password <password> --user-agent <user-...
- 3,657
4
votes
Accepted
Multiple Users Per Node Via JSON RPC
A "node" is the monerod daemon. It can support arbitrarily many wallets connecting to it concurrently. A wallet generally supports only one user at a time.
- 4,203
4
votes
Accepted
Error when launching (--rpc-bind-ip) monerod with external IP address: Failed to bind server
It looks like you are attempting to bind to your public internet address, which is the address of your router. This will not work, because you need to bind to an IP address that is actually attached ...
- 8,398
4
votes
Which part of the daemon RPC is restricted?
When running monerod with restricted-rpc which of the rpc methods will
not be allowed?
The following changes occur when Monerod daemon runs in Restricted Mode via restricted-rpc and/or rpc-...
- 1,611
4
votes
Accepted
Where can I find Monero public RPC nodes I can connect to?
Since Monero 0.15.0.0, you can use the public_nodes command in monero-wallet-cli. It will query your daemon, as the list is now shared over the P2P network. This can be used in tandem with the ...
- 34.6k
3
votes
Accepted
Monero RPC over SSL for client and server
Once you have setup the tunnel, it is equivalent to having monerod running in localhost. It is transparent for monero-wallet-cli and monero-wallet-gui.
The only difference, that i noticed so far, is ...
- 2,938
3
votes
Help me with digest authentication using java
I took a look over here: https://en.wikipedia.org/wiki/Digest_access_authentication and from how I understand it you must do the following
Get the nonce and realm from that first message:
...
- 73
3
votes
Accepted
How to query the memory pool?
monerod has a get_transaction_pool RPC call:
curl -X POST http://127.0.0.1:18081/get_transaction_pool -d '{}' -H 'Content-Type: application/json'
This will return the current state of the tx pool. ...
- 34.6k
3
votes
Accepted
Wallet RPC API wallet creation
There is no RPC to create an address.
If there would be one, it would be one that would also "forget" the current one, so it would have limited usefulness.
If you want to have your own code to create ...
- 34.6k
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