Questions tagged [openethereum]

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votes
1answer
946 views

Pending Transactions in Parity Demo-PoA when using user account

I am using etherchain-light which works really nice together with Parity PoA and the demo tutorial for Parity PoA private chains. I experienced two weird issue, in general everything works perfect ...
3
votes
1answer
855 views

Latest Parity asking to create account everytime

I have downloaded the latest version of Parity. Installed it. It started by default and asked to create an account. I created the same and got some ethers from the parity faucet site by requesting ...
3
votes
1answer
162 views

Unable to start parity: database migration fails repeatedly

I am unable to start Parity, the database migration fails repeatedly. How in Parity on MacOS (1.4.5 already installed) do I eliminate this error so that my Parity will run? Geth is fine but not ...
3
votes
2answers
289 views

Arm7 GUI options for Ubuntu Mate: Mist? Parity

I am running a geth arm7 node on a Raspberry Pi with Ubuntu Mate installed. I would like to have a GUI wallet for this node. What are my options? Is there a arm7 version of Mist or Parity?
3
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0answers
133 views

What's the bottleneck for openethereum slow sync speed?

I'm trying to sync a full node with --trace on, on some fast hardware, and I still get slow sync speeds (Syncing #5409141 0x5994…6a98 16.60 blk/s 1527.2 tx/s 91.8 Mgas/s). It's hovering between 10-15 ...
3
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0answers
56 views

OpenEthereum Freezer (move ancient data to HDD)?

Go Ethereum 1.9 has a nice feature to move ancient data "to the freezer". Does OpenEthereum provide the same feature?
3
votes
1answer
155 views

Open Ethereum Syncing

How do I know if openethereum syncing is done and what should I do next? This is what my current state looks like
3
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0answers
364 views

geth’s "debug_traceTransaction" vs parity's "trace_replayTransaction"

Is it at all possible to transform geth’s debug_traceTransaction trace into something that looks like what you get from parity's trace_replayTransaction? Parity’s trace module is extraordinarily ...
3
votes
1answer
44 views

Can we add block reward contract in parity aura latter on

We know there is an option to add a block reward contract to incentivize authors of new block by using blockRewardContractAddress at chain engine specs. Is it possible to add this property in the ...
3
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0answers
68 views

Process address deposit from contract

Our service handles thousands (currently 10000+) of users and each user has his own Ethereum deposit address. To detect a new deposit we: Scan each block to get a list of transactions Get a list of ...
3
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0answers
89 views

Parity Ethereum Metamask

I have setup one test node on my machine. When trying to connect to Metamask, I keep on receiving below messages on the node console and am unable to connect with node using Metamask. 2019-06-14 14:48:...
3
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0answers
579 views

parity initializing snapshot whole night

I have parity installed and synced. I went out of disk space. I moved the chain to bigger ssd. Then I started the parity service and let it run whole night. It did not finish. in log I can see ...
3
votes
0answers
170 views

Defining a block reward contract in Parity Aura consensus

I've been looking at creating a block reward contract for Parity (as documented here). I'm wondering if I would be able to model a system using this that would send all the wei spent on a transaction ...
3
votes
1answer
72 views

Parity speed limitations

I have a question about the node limitation for mainnet. I want to send a lot of transactions at the same time (let's say 1k), on the ropsten network it queues every tx and send batches of 64 every 10 ...
3
votes
0answers
138 views

Parity create testing transactions and blocks

For test purposes, I would like to make test blocks including test transactions against main net. For example I would like to make a transaction that sends one ether from 0x1234567... to 0x99999999......
3
votes
1answer
266 views

Uncle blocks in Parity PoA blockchain

As I know that there is no competition for mining new blocks in POA blockchain as each node mines new block at its given time slot. I have a parity PoA blockchain setup with 5 nodes. While examining ...
3
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0answers
116 views

Proof of Authority Finalisation

Are there uncles/orphaned blocks in a PoA-based network? How do we reach consensus which is the real chain if the chain is splited/ we have a fork? Do you know any possible attack vectors on such ...
3
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0answers
213 views

Geth - Events not working/firing

I have an API (expressjs - nodejs) listening for different events from my contract. var web3 = new Web3(new Web3.providers.WebsocketProvider("ws://localhost:8546")); var tokenContract = new web3.eth....
3
votes
1answer
556 views

Can i delete some old files inside chaindata folder?

I am running geth with fast sync, Can i delete some old files inside chaindata folder so that my ssd will have some empty space or it will create some problems ?
3
votes
0answers
290 views

Parity RPC eth_newFilter not returning pending events

I'm trying to create a listener for new pending TXs on the network using Parity RPC's eth_newFilter method. I'm sending the request using the following parameters, expecting to get pending ...
3
votes
0answers
117 views

What would cause nodes on a private blockchain to gradually lose connectivity?

I have a private blockchain with 6 nodes, and a total of three miners. When I initialize the blockchain everything looks great and the nodes find each other starting with the bootnodes. After about ...
3
votes
1answer
514 views

Parity 1.7.8 is syncing the last few blocks very slowly

I have been using the parity client to download the ethereum database for the last few days. Despite using the warp sync to download it, I havent been able to download the last few blocks fast enough. ...
3
votes
0answers
521 views

Remote Web3 connection to Parity node running on AWS

I have an Amazon EC2 instance set up running a Parity node. I'm trying to communicate with it via Web3 (using Nethereum.Web3 in C#). If I connect locally with http://127.0.0.1:8545, everything works ...
3
votes
0answers
444 views

What's the difference between Nakamoto consensus vs Proof-of-Authority vs BFT

Documentations all around the internet are filled with these terms to categorise consensus protocols. What is the difference between them. For example: many call parity's tendermint as a BFT type ...
3
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0answers
540 views

JSON RPC transfer of ERC20 Tokens with Parity

How can I use Parity with JSON RPC to send and receive ERC20 tokens?
3
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0answers
2k views

geth vs parity: light client comparison

My computer is a laptop with a small SSD HDD, so I don't want to download the blockchain. Hence, I want to use --light to connect to other computers which do have a copy of the blockchain. Parity's ...
3
votes
0answers
275 views

Parity Signer qr code not working, stuck on "Parity Signer: Pending"

I'm having issues with with Parity when trying to do any type of transfer-I get stuck on the "parity signer: pending" screen. The prompt I get is "Please scan the transaction QR on your external ...
3
votes
0answers
260 views

Run parity in warp up to a certain block and archive mode after that

Is there a way I can run parity in warp up to a certain non-latest block, say starting from block 3,000,000 after the network spam and full archival mode after that?
3
votes
0answers
252 views

Parity signer issue

I'm trying to send raw transactions throught JSON-RPC api. I'm signing it offline (with python lib) and then using the eth_sendRawTransaction method. The thing is that sometimes it gets broadcasted ...
3
votes
2answers
449 views

Parity unable to deploy contract on ropsten

I have running instance using parity: parity --chain=ropsten --author=0x00c62AA7449864C21E5250533577ec628849dAE2 --rpcapi=web3,eth,personal --jsonrpc-interface=127.0.0.1 --jsonrpc-port=8545 --jsonrpc-...
3
votes
0answers
747 views

How to import contract source code in etherscan.io

I'd like to learn which solidity source code is being used when I create a multisign Wallet in Parity 1.6 My goal is to import that source code into https://kovan.etherscan.io/verifyContract?a=...
3
votes
1answer
790 views

Can't locate local key file asked by parity to sign a transaction

When I use NODE-RED enviroment to send transaction using Parity, the signer doesn't ask only for the password as usual but also for the local key file, which I can't locate in my laptop (I'm looking ...
3
votes
0answers
623 views

In parity, how can I delete the last blocks I downloaded without corrupting the database?

I have found the blockchain data in parity. I go to overlayrecent folder and from there to the db folder. It looks like the blocks are the .sst files. How can I delete the last blocks I downloaded ...
3
votes
0answers
64 views

Parity not syncing anymore [duplicate]

About 2 days ago I started to download Ethereum's blockchain with Parity. After a while, I tried to start Parity with a few flags parity --geth --ui-interface 0.0.0.0 --ui-no-validation, so I would be ...
3
votes
0answers
517 views

Windows 32bit -- Geth/Parity

Hey is it possible to run Geth/Parity + mine on a Windows 32bit machine? I'm having trouble finding anything.
3
votes
0answers
64 views

Getting up to sync with the network [duplicate]

At this point I've given up any hope. I've tried syncing with geth --fast --cache=1024. I have ~99% synchronization and the remaining ~1% (the last 1000-2000 blocks) is taking forever. With Parity ...
3
votes
0answers
212 views

Error installing parity

I had worked with geth, but getting lots of errors like last 1000+ blocks not syncing, so I have decided to switch to parity. I was following One-line Binary Installer, but was hit by: /bin/sh: 1: ...
3
votes
1answer
723 views

Getting Invalid address or Invalid Params when deploying new contract on test network with Parity

I am trying to deploy new contract on the net and I get two errors depending how exactly how I do it. Since I can not get ABI compiling contract on Parity I use solc --abi to get it. Now depending if ...
3
votes
0answers
394 views

Do I have to set pruning to archive for supportive full node

I run a parity node on a server of mine (with a lot of resources and bandwidth) for the sole reason of supporting the network. I don't have any accounts there since my funds are on another machine. ...
2
votes
1answer
2k views

What is parity bootnode role in a private network an how should I setup it?

NOTE: I've found a bunch of answers concerning geth client, but I'm interested specifically in parity. I have the following private network spec: clients: Parity v1.9.2-beta consensus: aura I've ...
2
votes
3answers
1k views

Want to run a local fork of Ropsten

I would like to run a local fork of Ropsten to interact with some of the smart contracts without having to fill up from the tap. My plan was to start a light parity node as follows: parity --chain ...
2
votes
1answer
2k views

Parity Full History Node

I'm trying to setup personal full node in archive mode (whole history) on server with this parameters: Intel i3 3.4GHz 8GB DDR3 1333 MHz 2TB HDD 100 Mbps / 128 I was expecting issues with HDD speed (...
2
votes
2answers
5k views

How to attach ethminer to parity node

I have accomplish to add a parity node to the private network with the help of this valuable guide: https://ethereum.stackexchange.com/a/13035/4575 Now I would like to attach ethminer to my parity ...
2
votes
1answer
4k views

Is there a way to access Parity UI running on AWS?

I am trying to run Parity UI on Amazon EC2 instance to be accessible on external IPv4 address, but failing miserably with this attempt. I think I tried all the startup options it provides but couldn't ...
2
votes
1answer
901 views

Error: Your homepage is not available when Trusted Signer is disabled

Just launched parity (using v.1.4.4 at the moment) as always, and when I try to access its UI (via http://localhost:8080/ ), I get this error: 404 Not Found Your homepage is not available when ...
2
votes
1answer
11k views

How to create an Ethereum mining pool. [duplicate]

How would one begin to create an Ethereum mining pool?
2
votes
1answer
473 views

Good source for TPS and transaction latency / finality for private Ethereum blockchains

I am looking for a good source / sources to compare TPS and transaction latency (How long it takes to send a transaction until it is mined) for different private blockchain solutions. Especially I am ...
2
votes
1answer
1k views

sync parity or geth starting from block x

I'm having issues syncing geth and parity as detailed in other posts. What would be ideal is if you could sync starting from the current block only as I dont really need historical blocks anyway. Is ...
2
votes
1answer
218 views

Was parity multisig exploit fixed?

I want to use parity as a multisig wallet, but I want to make sure they've already fixed the recent exploit. Most articles online just talk about the exploit.
2
votes
1answer
246 views

Parity: Is deleting ~/.ethash folder also deletes chain data?

I am not doing any mining and I want to clean unnessary files due to my limited memory space. I realized that ~/.ethash folder contains around 3.5 GiB. I am not sure should we keep it for the chain-...

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