Questions tagged [openethereum]

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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 ...
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1answer
240 views

Parity Noob Questions

I hope this is the right place to ask this stuff. I haven't been able to find any answers to the few questions I have. Thanks in advance! I'm new to using Parity, as I'd like to take advantage of my ...
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13 views

Forking a private chain consequences

If I were to fork my private Proof of Authority chain can I revert without pruning a block with corrupted data and subsequently all successor blocks which do have complete data and if so how can I ...
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2answers
326 views

Truffle hangs forever with parity with PoA

I'm trying to create a private chain using parity (PoA) and truffle but when I do truffle migrate it hangs forever with the following output: > [ > { > "jsonrpc": "2.0", &...
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1answer
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Gas cost of multiple small transactions vs one large one

On the main ethereum network would the gas cost be the same to post several small transactions or one large transaction if the overall data size is the exact same?
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1answer
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Importing Parity/OpenEthereum private keys to Geth: got zero balance

I have to migrate to Geth from Parity/OpenEthereum as the latter completely stopped syncing for me. First of all I tried to copy one of my private keys exported with parity_exportAccount() - which ...
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1answer
258 views

Using the Parity or Geth light client, how can I monitor an address for transactions?

I'd like to use Parity or Geth, in light client mode, to monitor an address for transactions. Essentially, I should be able to check each block for transactions involving a certain address. In the ...
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1answer
163 views

How to solve eth_getFilterChanges looping when deploying with truffle (parity)?

I am using truffle migrate and I get some kind of loop which just endlessly prints out eth_getFilterChanges. How can this be solved? I have used this truffle.js module.exports = { networks: { ...
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1answer
108 views

Latest Parity Guide

There is no one place to get the Latest guide on parity software usage and Ethereum plateform. All guides—which are scattered on various places—are beyond understanding for a new being. Please provide ...
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1answer
414 views

How can I use swarm with metamask or parity node?

I want to use swarm, but I wan't to download the all blockchain data. Is it possible to use metamask or parity node instead?
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1answer
288 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 ?
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1answer
470 views

Mining pattern on PoA

I've setup a small network with two nodes using authorityRound engine (parity). My question is about the mining. If I have two validators (A and B), who will mining the blocks? the node A or B? I ask ...
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1answer
327 views

Contract deploy timeout - web3py & Parity

I'm trying to deploy a contract but it seems like I'm going through a minefield... When I try to deploy the contract I always get timeout error. I wrote the contract on remix, and tried both remix ...
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1answer
161 views

Raise more ether in Parity POA chains

From the wiki of private chains in parity Parity also includes Proof of Authority Chains which do not require mining. Is it possible to raise more ether in an existing POA chain? Use case Lets ...
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1answer
166 views

parity cors null throws error

I just reinstalled parity and I'm getting an error now. In my config.toml file when I add cors = "null" I get following error Loading config file from /root/.local/share/io.parity.ethereum/config....
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1answer
224 views

Increase gas limit to allow larget contracts to be deployed

I'm working on a private blockchain and I found out that I cannot deploy a contract larger than 34Kb which is pretty limiting for me. For comparision, cryptokitties are 40-47Kb so I cannot even deploy ...
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3answers
33k views

How to select a network id or is there a list of network ids?

We're starting a new open network based on the Ethereum protocol. The question is how to allocate a network id for the new network. In Ethereum we have main net, four test networks, classic with test ...
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How to read the Ethereum Block header and check contract

I have downloaded some Ethereum block headers, such is one example (omitted some details for conciseness): {"difficulty": 7314508281338, "extraData": "...
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1answer
196 views

Unable to start Parity node

Parity Ethereum version: version Parity-Ethereum/v2.0.1-beta-e7dc0be-20180726/x86_64-linux-gnu/rustc1.27.2 Operating system: Linux Installation: built from source Fully synchronized: Network: ...
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1answer
464 views

How to setup parity light client?(warp sync is slow)

I have a full node synced using --warp but since I have a hdd, the final bit of the sync never catches up(due to the high transaction IO). How do I switch to a light clent on parity if I already have ...
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2answers
542 views

Trouble syncing parity node

I have a problem with my node. I have set up a remote node which was working for a few months but recently the synchronisation has stuck. So I deleted the db to resync and this is where my problems ...
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2answers
288 views

Is the blockchain compatible between Geth and OpenEthereum(Parity)?

I'm trying to set up a full node. Being a DeGoogler I instinctively avoid Go, so I defaulted to OpenEthereum. After compiling on my maching I get 'Illegal Instruction', which seems to be because of my ...
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1answer
688 views

Parity Error: Account not found for the current chain (Kovan)

I am having problem starting Parity with a account that I created using Metamask. This account 0x76Eb17471A5fb78EF6768254D1dAEc528ec6b5a8 has received multiple ETH from Kovan faucets. Running the ...
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1answer
375 views

How to Import an Online Wallet to Parity?

I wanted to Import my Ethereum Online Wallet (ether.li) to Parity. I created 2 Accounts with the private keys and 1 Wallet with the Wallet Address. How can I transfer my funds to another Wallet (...
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1answer
68 views

Where does parity look when trying to import geth keystore files

I'm in the directory for parity keystore files, namely, ~/.local/share/io.parity.ethereum/keys/ and I've run: parity --import-geth-keys But I get an error saying: Failed to find geth keys ...
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1answer
76 views

Strange result for w3.eth.filter({'fromBlock': 2500000, 'toBlock': 'latest'})?

I use Parity: Parity-Ethereum//v2.2.7-stable-b00a21f-20190115/x86_64-linux-gnu/rustc1.31.1 I tried code to see new entries for block range. l = w3.eth.filter({'fromBlock': 2500000, 'toBlock': '...
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1answer
44 views

What are the pointers for moving Ethereum into production for a private blockchain?

I am moving an Ethereum blockchain into production and I know many cloud services exist, including BaaS from Microsoft, AWS, Digital Ocean, and Google cloud services. Is there any criteria from ...
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1answer
484 views

Parity - Permission Denied, Cannot write version file

I am trying to run a Parity daemon. Here is my shell command: sudo parity --db-path . --port=20000 --ws-port=20001 --jsonrpc-port=20002 --jsonrpc-apis web3,parity,parity_accounts,personal,eth daemon ...
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1answer
803 views

Parity, Web3, Nodejs - Error: Transaction was not mined within 750 seconds, please make sure your transaction was properly sent

I'm using Parity ( "ropsten" test net), Nodejs and web3js to deploy smart contract from my system. Parity is synchronised in test mode, but when I run below code using Nodejs, it gave me a transaction ...
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4answers
208 views

How are transactions with the same gas price ordered in a block?

If A has gas_price == 1gwei and B has gas_price == 1gwei, how does the miner decide which tx gets executed first when ordering them into a produced block? Does it depend what mining client is used? ...
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1answer
702 views

What is the best parity configuration to run a full archive node on raspberry pi?

I am using a raspberry pi to download the archived version of the blockchain with parity. I've started parity with parity -d /home/xxx/data/Ethereum --pruning archive --public-node However, the ...
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1answer
63 views

Is there any way to do dry run a smart contract on Ethereum Mainnet?

For testing my codes without side effects (e.g., consuming gas, etc.) on the development environment, I'm finding a way to execute a smart contract that interacts with other contracts deployed on ...
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1answer
682 views

How to deploy a contract to parity using truffle?

I get this when trying to deploy to parity - Writing artifacts to ./build/contracts Invalid JSON RPC response: "Provided Host header is not whitelisted.\n" I am new to using truffle with ...
1
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1answer
291 views

How to access Parity node's mempool with web3.py?

I'm running a Parity node with parity --jsonrpc-api all, then connecting to it in python3 with w3 = web3.Web3(web3.HTTPProvider('http://localhost:8545')). I can call print(w3.eth.getBlock('latest'))...
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2answers
4k views

In Parity, what is the equivalent RPC call to geth's txpool_content?

There are several useful txpool queries in geth: txpool_content, txpool_inspect and txpool_status. Since these are not part of the general standard, Parity likely has some other name for the same ...
2
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1answer
435 views

Help transferring Ether Tokens using Parity

I configured Parity to trade Ether to BNT. I followed the steps here https://blog.bancor.network/how-to-trade-your-bnt-using-parity-6061dca37354 and funded my EtherToken Contract. This is the ...
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1answer
1k views

SendSignedTransaction web3 v1.0 smart contract method call

Running parity node, connected to Kovan testnet. Contract Address: 0x354Db5AE17b11fbc01A8a146B63506b1d90872E0 Using a nodejs app + web3 to send/sign transactions with the private key corresponding to ...
2
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1answer
645 views

How to connecting the nodes when Parity starting

I follow this tutorial to run the PoA demo on Parity. And when I try to connect the nodes. I found that should do everytime after Parity started. Can I connect them when I starting Parity? I found ...
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1answer
775 views

Why does my parity sync get stuck all the time?

I have a server set up with a node to read from the blockchain, so I don't have to run my node on my computer all the time. Sometimes the node gets stuck and I reset the blockchain with ./parity/...
2
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2answers
374 views

How to connect these **Remix - kovan - parity**?

I have been trying to connect deploy a smart contract from remix onto kovan chain via parity but kept on showing even after trying with all the rpc flags. if possible please throughly explain the ...
2
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1answer
151 views

Private network: Using geth to mine for parity nodes

I want to set up a private Ethereum network using a parity client. Ideally, I want to resemble the "real" Ethereum network as close as possible. Thus, I want to set up a proof of work network. For ...
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1answer
80 views

State verification during full sync

How does the state verification work when doing a full sync from scratch? Does the state get generated locally for each block using the transactions downloaded (in the transaction trie) and then ...
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0answers
30 views

openethereum node disk usage

Using openethereum to sync the eth blockchain, after synced and now the disk space keeps growing 20G per day. The .log file in the db folder keeps growing. After restarting the node, the space will be ...
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0answers
9 views

Unable to transfer UKG from Parity UI

Looking at my Parity UI at the moment and finding out I have two issues when moving my UKG to another address. it says the Parity UI is not connected to any peers, but i have a perfectly working ...
0
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1answer
61 views

What is txpool equivalent in Parity?

I'm aware of txpool module in Geth where it able to show how many transactions in the pending and queue state. How to get the same result in Parity node? The parity_alltransactions looks like ...
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1answer
151 views

Invalid type: sequence, expected a string for key 'rpc.cors'

Trying to run parity using the configuration file node.toml file $ parity --config /data/parity/node.toml Loading config file from /data/parity/node.toml You might have supplied invalid parameters in ...
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1answer
80 views

How does Geth query the blockchain?

This question has probably been already answered somewhere else but I didn't find anything on the internet so I'm asking here. I wonder how clients such as Geth query the blockchain to get specific ...
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1answer
254 views

How to confirm request in Parity

enter link description hereI send a transaction with contract. I use unlock account to account it. It can skip the first confirm. Which is asked to confirm deploy. But it can't skip the second confirm,...
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1answer
95 views

Why admin.addPeer() command did not add parity client for private chain with Docker?

I would like to set up private chain which both geth and parity clients running on the same network. here is a sample repository with docker-compose file: https://github.com/user48736353001/devnet ...

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