Questions tagged [parity]

Parity is an Ethereum client, written from the ground-up for correctness-verifiability, modularization, low-footprint, and high-performance. To this end, it utilizes the Rust language, a hybrid imperative/object-orientated/functional language with an emphasis on efficiency.

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Parity all pending transactions (not local)

From some version of Parity, it began to start like this And now, when i try to get all pending transactions from the whole pool, i'm getting only these local. But i need to get ALL as earlier. How ...
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My parity node constantly gets requests from 0x0

I ran my parity node (stable version) with this command on a docker: /bin/parity --chain=kovan \ --jsonrpc-interface all \ --jsonrpc-hosts all \ --light \ --force-sealing \ --auto-update=all \ --min-...
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3answers
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Gas estimation failed - remix

I am trying to figure out what is wrong with the following code as it does deploy successfully on remix. pragma solidity ^0.5.11; contract MyContract { // Storage address contractOwner; ...
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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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Synchronization with Parity

I am running synchronization with Parity, when I disconnect the server from my client-side ssh interface, will the synchronization process be interrupted?
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83 views

erc20 transfer SafeMath: subtraction overflow?

I am trying to transfer a erc20 token. const data = contract.methods.transfer(recipient, amount).encodeABI(); const rawTx = { from: sender, nonce: '0x' + count.toString(16), ...
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22 views

Parity proof of authority aura, how to detect misbehaviour?

I'm having trouble finding the answer looking at the Parity POA aura examples, the documentation on Parity Validator Sets, plus the Kovan validator set contract solidity source code. I see that you ...
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18 views

subscriptions in Geth or Parity

I am trying to get the way to register subscriptions to events, with the services of QuikNode I can do it without problem and it is working perfect, but I am trying to raise a node --light with geth ...
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14 views

Parity isn't doing anything- hasn't even started syncing as far as I can tell

I'm sorry for what must be a common question around these parts, but I'm getting nowhere fast with parity. I ran this command: parity --warp-barrier 8460000 --no-ancient-blocks And after 24 hours ...
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14 views

Is Geth and Parity a threat to decentralization?

They make up nearly 80% of all clients. If they wanted to, could they rearrange blocks and mess the blockchain up? Are they a threat of decentralization?
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How to connect to Rinkeby without using Geth / Parity?

First let me explain my development environment. I am using Jupyter Notebook to play around with the Web3.py front-end code and Remix for the Solidity smart contract code. I am using the Metamask ...
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41 views

Parity doesn't send a notification to ethminer

I can't get the ethminer to work with my private network. I start the parity in stratum mode, passing my own config file as a parameter, and then launch the ethminer. He successfully logs in and ...
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Validator Contract deployment

Hello When I try to deploy below contract i get this error Open new block failed with error Error(Engine(FailedSystemCall("Engine error (Failed to make system call: Bad jump destination 0)")), ...
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1answer
35 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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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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72 views

Deploy contract to Parity dev chain using Remix

I'm trying to deploy a contract via remix to my local development chain. However, the transaction never gets mined and is pending forever. When I use a node script it works (at least I receive the ...
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72 views

“Method not found” when trying to parity_subscribe to eth_getFilterChanges

Parity Ethereum version: 2.5.1-beta, tested on 2.4.6 as well Operating system: Linux (Ubuntu) Installation: binary Fully synchronized: yes Network: ethereum Restarted: yes I'm using a websocket. I ...
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50 views

Rinkeby ethereum block stuck at 4321234

I'm trying to sync rinkeby using parity with patch to support rinkenby but now it's stuck at block 4321234. Does anyone have solution to pass that block without having to resync from the beginning? ...
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Parity synced at not existing block 4839212

I have problem with parity, cant get synchronization in archive mode to end, anything, changing arguments, max-, min-, snapshot-peers, parity verisions do not help. I have blockchain in archive mode ...
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Mirroring public Ethereum blockchain to a private chain

I am working on tokenised securities space. Our plan is to run tokenised securities on a public Ethereum blockchain. There is an operational risk that public blockchain becomes unavailable and ...
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24 views

How do I send 0.1 tokens from the Parity client to another address using a custom gas price and CLI only?

How do I send 0.1 tokens from the Parity client to another address using a custom gas price and CLI only? Hi, I want to send 0.1 tokens from my Parity client running on Ubuntu to another address. I ...
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33 views

Send ETH on Command Line with Parity

How do you send ETH on the command line with Parity? I am trying this on a node running Parity 2.4.5: curl -H "Content-Type: application/json" -X POST --data '{"jsonrpc":"2.0","method":"...
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265 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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parity_pendingTransactions method return empty with parity light mode on ropsten testnet

I use parity with light mode and RPC call parity_pendingTransactions always return empty result. I'm using ropsten testnet network. How can I fix this problem ? here the example curl --data '{"...
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34 views

Syncing parity light client fast on an embedded device?

I have a embedded device which is quite low in specs about 512mb of ram and 1ghz arm processor. I have installed a cross-compiled light parity-2.4.0. Now the problem is that it takes a lot of time ...
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135 views

ERC20 token transfer transaction reverted

I'm trying to transfer token using ERC20 token transfer method using web3.js (version: 1.0.0-beta.37). I could successfully transfer tokens with Remix as the method is working fine. However, I got the ...
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23 views

Is there a call like listsinceblock bitcoin in ethereum?

i would like to record all the incoming transactions to my private network which is having so many ethereum accounts.is there any call to log them like listsinceblock in bitcoin.?
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39 views

Ethereum parity high IO - slow response for getBalance

We have a strange problem with parity after our smart contract addresses are increased. There is a scheduled process to check for the transaction records and we have web3j calls to getBalance/...
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28 views

Parity node failing

I am trying to setup a dev parity node, but it is failing with the error, Loading config file from config.toml. Cannot create a file when that file already exists. (os error 183) My config.toml ...
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47 views

Subtraces of delegatecall in Parity trace

I'm investigating transactions using Parity trace which provides useful data over a transaction flow. Among this data is the Subtraces field which allows me to understand how many sub-calls each ...
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21 views

Parity UI Error Massage

Every time I close Parity UI it ends with this error message: (Parity-Ethereum v2.4.0-20190221 beta)
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1answer
26 views

I am following Ethereum Book, but I am getting errors in the Terminal

I am learning Ethereum Development from the Ethereum Book by Andreas. I have stumbled on the first error trying to do $ cargo install . I will post the instructions as an image and the errors I got. ...
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100 views

Syncing from hardcoded block in parity light client?

I need to sync my parity light client from a hardcoded block. I synced the light client fully in a Debian image and exported the hardcoded sync. I then pasted it in the chain spec file of a desired ...
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301 views

Estimate gas limit without eth_estimateGas method

POA Network (Ethereum Like) blockchain has eth_estimateGas to estimate gas limit but this method does not work in POA Network Sokol (Testnet) blockchain. When i call this method it gives response: { ...
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112 views

Really slow syncing on mainnet with SSD disk and archive mode

I've set up a full Parity Ethereum node connected to the main network on a server with 2TB SSD, 4 CPUs and 8GB memory. I've set the pruning mode to archive since my application does a lot of state ...
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46 views

Issue in understanding Crowsale in the ICO contract

I want to create a token and run an ICO but all this without the function of crowdsale and minting. It want it to be a token which has a strict initial suplly (exmpl 1M) and without the funtion of ...
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1answer
34 views

Drawbacks Query Logs of Parity Node in Fast Mode

We need to query all the past transfer events of a contract to identify all historic token holder addresses. Am I right that for this we need a full node and can't use fast mode? I've read that fast ...
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152 views

Setup Parity PoA network compatible with truffle framework deployment mechanizm

The question from the title kind of wraps around the real problem but it is actually what I'm having trouble making work. I'm trying to setup production PoA network so using all the flags made for ...
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1answer
186 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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112 views

“'parity' is not recognized as an internal or external command, operable program or batch file.”

I downloaded Parity installer from here : https://www.parity.io/ and then installed it on computer with OS Windows 8.1. Then even I restatred computer. However, when I use following command: parity ...
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25 views

Parity send local without fee

I created some accounts on my computer use Parity. I'm sent ETH to this accounts. Now, i want move all balance of all accounts to new account without fee. I can? Of course, the new account in local ....
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1answer
376 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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225 views

Speedup ethereum private chain transaction speed

I have a private parity chain where all transaction are always sent with maximum gas. I also have PoA with AURA set to 1 sec to make sure that blocks are generated as fast as possible. However, it ...
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1answer
150 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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602 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 ...
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1answer
186 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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1answer
75 views

Can Geth be installed with Parity?

I have installed parity and it runs for PoA. When I try to install geth it fails - sudo apt-get install ethereum Reading package lists... Done Building dependency tree Reading state ...
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1answer
134 views

Pending tx with parity through geth console

I am having issues with the current version of geth 1.8. Thus, I tried using parity and got a node synced. I want to use web3 and because of familiarly, I want to use parity with the geth console ...
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1answer
96 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
86 views

.toml stream did not contain valid UTF-8

While trying to configure parity using the toml file (Tom's Obvious, Minimal Language), I stumbled on this error - $ parity --config /data/parity/node.toml Loading config file from /data/parity/node....