Questions tagged [ipc]
Questions related to IPC, Inter-process Communications generally for local communication with an Ethereum client.
57 questions
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IPC Endpoint closes immediately after it opens GETH
I am attempting to establish communication between a bootstrap and member node on the same device using GETH on Windows. Initialising both nodes with my genesis.json file works fine.
geth --datadir ...
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1
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496
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Connection types, http/ws/ipc
I was wondering and couldn't find any docs regarding that, which connection is the fastest/has the least latency when querying the blockchain? From logical point of view I think IPC, but I'm not sure. ...
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1
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527
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Can I instantiate Web3 connecting via IpcProvider to a still syncing node?
I'm trying to build up a node but I'm having trouble syncing with the blockchain (really slow), and while it is syncing I'm testing the connection for my script that would be connected via IPC to the ...
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2k
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IPC Connection not work on Node.js (web3)
I have a geth node launch on linux, I want to access it through the IPC connection in a Node.js application.
I am getting this error :
/home/**/node_modules/web3-core-helpers/lib/errors.js:66
...
- 11
0
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1
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92
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fatal error when try to serve geth in ipc
I have initialized my own genesis block and started
geth --datadir pom
Then I want to use "personal" so I started
geth --nodiscover --ipcpath pom/geth.ipc --networkid 31337 --rpc --rpcaddr ...
- 417
2
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1
answer
322
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Remix IDE Desktop + Geth node as test network
I'm trying to connect the Remix Desktop client to my local Geth node. as usual i added:
geth --rpc --rpccorsdomain https://remix.ethereum.org
while starting up the node. This obviously only works ...
1
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1
answer
280
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Parity IPC direct connect
Before Parity I used Geth, and made requests like:
echo '{"jsonrpc":"2.0","method":"eth_getBlockByNumber","params":["latest", false],"id":1}' | nc -NU geth.ipc
and It worked!
In Parity v2.7.2 and ...
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363
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Not able to connect Tessera with Quorum node
I am following up with the Quorum set up as mentioned @ https://docs.goquorum.com/en/latest/Getting%20Started/Creating-A-Network-From-Scratch/#tessera
I have created 3 Quorum nodes with RAFT ...
- 101
2
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1
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2k
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How do i connect geth to web3.py using IPC on Windows?
I'll briefly explain my setup before describing the problem in detail.
I am on Windows 10 and using the geth client in Light Sync Mode, along with web3.py on Jupyter Notebook and Metamask as a wallet....
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899
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Web3.py cannot connect to geth --dev node via IPC
I've launched a geth client over IPC:
geth --dev --allow-insecure-unlock --ipcpath ipc://$HOME/Library/Ethereum/geth.ipc
And trying to connect using a Web3 IPC provider:
my_provider = Web3....
- 1,015
1
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1
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484
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tm.ipc: no such file or directory (socket file to use for the private API / IPC)
I am following this tutorial to setup a Quorum cluster:
https://medium.com/@shizekun/how-to-set-up-a-quorum-private-chain-with-raft-consensus-and-dynamic-membership-bf826f3927e5
But unfortunately I ...
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2
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1
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647
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How to configure truffle network with IPC provider?
How can I define in truffle the ipc connection to the node? Currently I am using in truffle.js host/port fields, which are used to create a HttpProvider.
module.exports = {
networks: {
dev: {
...
- 7,539
0
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1
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129
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Parity json.ipc file permissions
How can I give permission for another non-priv user on the same server to get Read/Write access /home/parity/.local/share/io.parity.ethereum/json.ipc and have that access available on reboot?
The ....
- 2,004
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1
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1k
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Use of RPC, IPC and ws in go-ethereum?
RPC provides http-rpc server.But what is the use of IPC and ws?
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46
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Re-setting file permissions on IPC file on Parity re-start?
Can anyone think of a clever way to re-set the IPC file permissions on a Parity re-start? I'm using systemd to control Parity.
- 2,004
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437
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How to integrate rinkeby test network with centralised server?
I am new to ethereum blockchain. I want to create ICO platform based website. I have created smart contract and deployed on rinkeby test network. I used python web3.py library to integrate python with ...
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3
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1k
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How to make a Docker container talk to geth.ipc on local host
from web3 import Web3
web3 = Web3(Web3.IPCProvider("/Ethereum/geth.ipc"))
print(f'IPC connected: {web3.isConnected()}') # want to return True
I have the above script Dockerized and I'm trying to ...
- 51
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2k
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Mining hangs on Generating DAG in progress
I am trying to initialize rpc using the below command and start miner using miner.start(1);
geth --rpcapi eth,web3,personal --rpc --networkid=15
Mining starts successfully with below logs but it ...
- 415
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575
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How connect to my geth from Remix? IPC is always \\\.\\pipe\\geth.ipc
I am trying to develop smart contract & dapp with Window 10.
I made my own accounts in local testnet in geth.
And I'd like to make smart contracts and deploy them on the Remix.
so I need to ...
- 3
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1
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239
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Cannot connect to private testnet with web3.js
I have setup a local private test net and now I want to connect from Node.js to a node in the testned using IPC. I started a node with this command:
./geth --identity "5" --datadir /home/davide/...
- 405
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233
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--ipcpath is incorrect
So I'm trying to setup my private node environment, I've got a startnode.sh script which looks like this:
geth --networkid 4224 --mine --minerthreads 2 --datadir "." --nodiscover --rpc --rpcport "...
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1
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466
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Use Ethereum TestRPC with Web3 IPC Provider
Can I use TestRPC only with http or can I set it up with ipc as well?
If yes - how?
- 603
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2k
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Sending Transactions via RPC or IPC?
Recently i'm trying to comunicate to a private Ethereum blockchain via RPC/IPC to create a Transaction but what i'm seeing is that i cannot do it via RPC because:
- i Always need to unlock my account ...
user32065
5
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3
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10k
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connecting geth to web3.js 1.0 via websockets or HTTP
I am building a minimal nodeJS application that should connect via web3.js to my geth node. I am following the official web3.js1.0 documentation and I am using web3 1.0.0-beta.29.
I do manage to ...
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2
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747
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How to check token transactions with geth
I'm new to smart contracts, my apologies if this is a wrong approach.
I want to monitor incoming (confirmed, not caring about pending) token transactions to my wallet (using geth). I found out how to ...
- 21
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1
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2k
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Unable to attach to remote geth: dial unix ///home/ubuntu/.ethereum/testnet/geth.ipc: connect: permission denied
I have created a shell script on a ubuntu server X with geth Node installed,to insert data in a smart contract in testnet blockchain. Further I am executing the shell script from a PHP file ...
- 406
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2k
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IPC Connect to Ethereum node running on docker
I am creating a Ruby client to connect to Ethereum node inside a docker container. So far,
I was able to run ethereum-go inside docker container Then I bash into docker container & able to ...
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2
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507
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geth returns error with ipcapi option
When I launch geth with ipcapi:
geth --testnet --rpc --rpcapi "eth,web3,txpool" --ipcapi "admin,db,eth,miner,net,shh,txpool,web3"
geth returns me an error:
flag provided but not defined: -ipcapi
...
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3
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4k
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How do I connect IPC with Parity?
I'm running Parity in warp mode on Mac OSX:
parity --warp --rpcapi "web3,eth,personal"
Then I open a new terminal and run:
node
Web3 = require("Web3")
web3 = new Web3(new Web3.providers....
2
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1
answer
139
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ethereum ipc in go
I am writing an application to get notified when a new block is mined using the awesome go language. I installed a filter for that
I connected via IPC to geth, all good and nice but I don't seem to ...
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266
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ipcapi parameter usage
I initialize a node on my private test net passing only the eth interface in the ipcapi parameter expecting that I won't have access in the other interfaces such as admin etc.. However, when I attach ...
- 111
4
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1
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574
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Create new account over IPC
I want to create a new account over IPC so I have started private chain with the below command
geth --networkid=5 --datadir DataDir --ipcapi "db,eth,net,web3,personal" --ipcpath "/Users/smartSense/....
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1
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2k
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How to teach mist about geth?
I have geth 1.5.8 and Mist 0.8.9. Geth is running Homestead with default parameters. IPC is in the default location.
$ geth version
Geth
Version: 1.5.8-stable
Protocol Versions: [63 62]
Network Id: ...
- 33k
3
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1
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419
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Akasha: synchronization was stopped
I downloaded AKASHA and started the binary, after the quick setup I always get the message:
Synchronization was stopped
Your machine is currently synchronizing with the Ethereum world computer ...
- 33k
4
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6
answers
2k
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Is there any software apart from Geth and Mist that offers the Javascript console? I want to use the console but I don't want to do all that syncing
Is there any software apart from Geth and Mist that offers the Javascript console? I want to use the console but I don't want to do all that syncing.
Parity does not have a console as far as I know ...
- 1,322
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299
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Unable to launch ethconsole with eth (cpp-ethereum) (Ubuntu 14.04)
I successfully launched a node. Everything works fine, even GPU mining. Except I'm unable to connect with ethconsole, as I get an error message :
$ethconsole
Connecting to node at /home/user/....
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1
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2k
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Synchronous requests are not supported by the IPC provider
I was trying to connect to my node via IPC using web3_ipc. But i got hit by:
You tried to send "eth_getBalance" synchronously. Synchronous requests are not supported by the IPC provider.
My code is ...
- 8,076
44
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1
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34k
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What are ipc and rpc?
The question is quite simple , I have only basic Idea of RPC but none of IPC.
AFAIK, if I connect to ethereum node via ipc then the my geth should be running on same machine. and If I connect via ...
- 8,076
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1k
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Cannot attach to geth node running inside container
I am trying to run a node inside a docker container.
I am able to run a geth node locally, and attach it via IPC with these simple commands:
geth --fast --cache=512
Then
geth attach, it works fine.
...
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1k
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Connect to node via IPC
As per my knowledge, RPC connection to a node is quite unsafe. so the alternative is connecting to a node via IPC. But how to connect to node via IPC?
I have used web3 for connecting to node via RPC ...
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4
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1
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894
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Can Mist communicate (via IPC) with a geth instance running by other user?
I'm aware that Mist cannot connect to a geth node in another computer, but how about to a geth instance running in the same computer but under a different user?
My goal would be to have Alice and Bob ...
- 1,949
2
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1
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415
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Geth IPC endpoint unavailable after upgrading from 1.3.5 to 1.4.10
This question is somewhat related to this one. Following the suggestion in the comments from this one, I upgraded geth to v1.4.10 and launched it and launched it on a private net:
geth --datadir "...
- 5,284
1
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2
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876
views
IPC python unix-socket unavailable on windows
I want to use the IPC interface between Python and geth. I use windows. But it seems that the unix-socket which IPC makes use of is not available in the windows version Python, how to solve this ...
- 2,426
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2
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1k
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geth ignoring --ipcpath in Linux with attach and datadir
I am trying to create a test network and have been able to start a network (I think).
geth --datadir ./eth-data --ipcpath geth.ipc attach
I get
Fatal: Unable to attach to geth: dial unix /home/...
- 1,241
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3
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3k
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Subscription sample using websockets or IPC?
So I was using the web3 API from the NodeJS 'web3' module very happily and it works very well (it uses HTTP transport AFAIU). But now I want to receive events from the server (without polling), and ...
- 1,949
5
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7k
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Why is the geth ipc file not being created, even though it says "endpoint opened"?
I had some test code working fine over IPC using out-of-the-box geth. I tried to set up a test network and it broke the IPC client.
I want to run two processes -- a miner geth process, which stands ...
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3k
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Why can't I connect by IPC?
I have successfully run geth --rpc to test some functionality, but I need the personal API which according to this answer should be done by IPC.
When I run
geth --ipcapi "db,eth,net,web3,personal" --...
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4k
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How to connect Mist to a remote private network? [duplicate]
I have seen option to connect Mist to a privatenet here like this
geth --networkid 1234 --ipcpath /Users/you/Library/Ethereum/geth.ipc
Looks like the path is hardcoded somewhere in the code.
How ...
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14
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3
answers
5k
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Can Mist be attached to a Geth node on a different computer over HTTP RPC?
I gather that Mist will automatically look for Geth on a local machine via IPC to save it maintaining its own blockchain. Is it possible to tell it to look for an instance of Geth on another machine ...
- 143
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2
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1k
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Possible to run Geth offline?
I'm trying to start Geth from an offline machine. An answer in a related question seems to indicate this is possible.
However, running the command $ geth hangs at Starting Server. Trying to attach an ...
- 297