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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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27 views

How to let parity EVM execute just some blocks from a state?

I want to do an experiment using mainchain data. The experiment aims to test EVM performance. So, I want to let EVM execute some blocks and measure the performance. Are there some tools that can be ...
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187 views

Performance Analysis of Ethereum Clients Geth and Parity

I want to do performance analysis of Geth and Parity. I want to run 1000 transactions serially on each client and want to get transaction processing time for each transaction. How can i get these ...
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Parity chain spec update

I am running a private network using Parity with a custom chain specs defined in a json file. If i realized later that I should change a parameter in the spec, can i update it and the change will be ...
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27 views

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.
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setting up parity on windows

Trying to setup Parity and Kovan to use Melonport app. Downloaded latest stable version of Parity 2.0.7 from Github as instructed and double clicked parity.exe. Starts terminal session which seems to ...
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getLogs RPC makes filters?

I am stuggling with memory explosion issue of Parity on my EC2 instance. The memory usage of it keeps increasing gradually. I suspect that getLogs API call makes some garbage on the node. But I ...
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111 views

i cannt confirm request in Parity I Can't locate local key file asked by parity to sign a transaction

How to confirm request in Parity I have POA chain from this tutorial https://github.com/paritytech/parity-poa-tutorial and as you can see it ask me to select local key and click confirm
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Parity Ethereum node missing CLI option to display configuration setting of a running node

I'm playing around with config.toml and using CLI options. Maybe I missed something, but I'm interested in executing a command by which I can exactly see what options are in effect when a Parity ...
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58 views

How to open Parity database from javascript (how to open column families)?

I am trying to connect to Parity database at var dbPath = 'C:\\Users\\username\\AppData\\Local\\Parity\\Ethereum\\chains\\ethereum\\db\\906a34e69aec8c0d\\overlayrecent\\db' form javascript using npm ...
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131 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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103 views

Transfer tokens from Smart Contract to address using signTransaction + private key

I tried several links like this one, but when I call transfer function from contract and try to send tokens, its sending 'ethers' not 'tokens', how can I send tokens by signing a transaction offline ...
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What portions of the block are validated in Geth's --fast and Parity's --warp mode?

When I am syncing an Ethereum node using Geth's --fast mode and Parity's --warp mode, what portions of the block are being validated as they are being downloaded? I understand that --fast and --warp ...
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245 views

Parity - what --tracing and --pruning options use to get all blocks fastest way

I need download all blocks to be able to get all history transactions to create some statistics like mean Ether amount etc. Is it necessery to use --pruning archive and use ~ 1TB od disk? Or default ...
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577 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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Parity warp sync doesn't return event logs

Our Dapp uses events as a form of storage. For connection to blockchain we use local Parity node. A couple of days ago I needed to resync it after the server failure. After the resync all methods ...
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46 views

Hard vs Soft Hierarchical Address Derivation

I'm using parity as node/JSONRPC and I'm generating a HD wallet with it. Basically I have one address and, according to the Parity documentation, I can generate a new address with this command: ...
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84 views

invalid address error on resend method

I've connected to Parity client with geth attach and try to resend my transaction with resend method. >web3.eth.resend("0xed2ec75fa32e19869cc740478828aa42471705d87bda87ca55cb7f71ebcf2de2", ...
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Parity: with 'warp' sync enabled by default, is there still any advantage in using fast pruning?

From Parity Ethereum Documentation: Warp Sync is an extension to the Ethereum Wire protocol, which involves sending snapshots over the network to get the full state at a given block extremely ...
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80 views

Unlock account on Ethereum client, or sign every transaction sent it to Ethereum client?

I have a contract which needs to be updated occasionally. For this purpose, I set up an Ethereum client, namely, a Parity node. At this point, I see several ways of carrying out the specified task: ...
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128 views

Insufficient funds when using 'signTransaction' but not when using 'unlockAccount'

I am trying to execute a transaction on a private network, using my account. The general flow: Web3.js --> Parity node --> Private network The transaction: Invoke a method in a contract ...
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47 views

Pending tx's with full information

Is it possible to subscribe to pending transactions with Parity and receive full information about it in 1 request? Now i receive hashes first, and than i make requests to get info about this hashes. ...
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1answer
58 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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246 views

Bootnode from geth not working with parity

I am working with Parity private network. I can manually add peers for each node and it works. But the problem is Bootnode executable from geth not working with Parity. bootnode.exe -nodekey=key.txt -...
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514 views

Deploying a contract to Parity via Web3.js

I am trying to deploy a contract to Parity via Web3.js. Here is my code: let fs = require("fs"); let Web3 = require('web3'); let NODE_URL = "http://localhost:8545"; let OWNER_ADDRESS = "0x..."; ...
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166 views

How to customise Ethereum Network Status for a Private Network?

I am using this - https://github.com/cubedro/eth-netstats I get this error - 2018-05-29 04:30:25.958 [API] WS_SECRET NOT SET!!! I want to show the stats on a private parity PoA network. Has ...
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Help! Parity Error: account not found for current chain (ropsten)

I have downloaded Parity and its connecting with accounts created from Pariy-Ui, When I tries to connect Parity using an account created from MetaMask Chrome Extension, then its showing below error ...
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96 views

What does “RlpInvalidIndirection” error mean?

I run my own Parity node for Ropsten network. I am sending raw transactions to the node with "eth_sendRawTransaction" api, and sometimes it returns {-32602, "Invalid RLP.", "RlpInvalidIndirection"} ...
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151 views

Getting return values from constant functions with signed transactions using web3 @1.0.27

I have a setup where no accounts exist on a local node and communication with contracts is done by creating raw transactions with Web3 (signed in code and not by user or node). On the contracts there ...
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149 views

Can I curl a full node on initial sync?

I spun up a few node ~30 minutes ago and I'm not able to make a curl request, not sure if this is normal behaviour during initial sync or if something is somehow misconfigured. Request: curl -X ...
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24 views

Parity Chain Spec - Require More GPU RAM?

Is there any setting on a Parity chain spec file that would allow the chain to require more than 1GB RAM to start? or to change the rate of increase per epoch? This would make a private blockchain ...
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67 views

Distribution Contract Not Working

I'm trying to set up a distribution contract to send an ERC20 token to multiple addresses at the same time. After multiple attempts, the transfer keeps failing. Transactions are approved, the problem ...
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251 views

How to get transaction hash at time of invoking function?

I have a function as follows: function setEnergy(address dev, uint256 energy) public returns (bool) { require(dev != address(0)); amount[dev].energyValue = amount[dev].energyValue + energy; ...
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I just want to query Parity what setup should I use?

I want to run javascript on node locally against Web3. I require a minimal amount of information security and I just want it to work. I tried snap run parity --light and it is slow because it still ...
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277 views

How to generate a empty block in dev chain on parity? like dev.period in geth?

I use config like this: [parity] mode="active" chain = "dev" base_path = "./data" db_path = "./data/chains" keys_path = "./data/keys" identity = "" light = false [rpc] disable = false port = 8545 ...
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Parity SMS Verification failed

I have tried to verify my account by SMS method so I can request Kovan ethers. I have followed this video https://youtu.be/99UucFzYCRc. Unfortunately someting have messed up (I have changed ...
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289 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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109 views

How force parity on AWS use public IP?

I have few mining parity on docker container in AWS instances. Each AWS instance have private and public IP. When I ask "parity_enode" it return enode address with private IP. I want it use public IP. ...
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110 views

Querying transactions per account in Parity

I know geth doesn't provide the functionality of querying transactions of a particular account. But, does Parity provide it? Kind of a javascript function like this: getAllAccountTransactions(...
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172 views

Parity: Change port 30304?

If I want to change the discovery port from 30303 to XXXX I do "parity -port XXXX". But what if I want to change 30304/udp? For example, maybe I have many computers NAT behind a firewall. I can do ...
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82 views

Using NanoS with Remote Parity Host

quick question... ... I have a remote host running Parity which I can connect to via an SSH Tunnel. I've forwarded ports 8180, 8546 and 8646 through the tunnel to the computer running Parity. I can ...
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137 views

Parity Blocked Chrome Extension

I have Parity working remotely so that I can SSH to my Parity Host and load the UI from another computer. The chrome-extension however is not working... In the Parity console window, I'm seeing this ...
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Private Blockchain Reserved Nodes Disconnecting

Using Parity I have a private blockchain with 5 reserved nodes specified with --reserved-nodes /path/to/file. After a few days of conectivity, the reserved nodes stop talking to each other. It is ...
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114 views

Withdraw function of the DAO stuck in geth

so I am finally trying to refund my DAO tokens for ETH. MyEtherWallet (downloaded from https://github.com/kvhnuke/etherwallet/releases/tag/v3.3.7) didn't work for me (it did not load the ETH amount ...
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29 views

Do nodes lose connectivity if no network activity is happening?

I have a private blockchain that seems to work great, but over 18 hours, the nodes stop talking to each other, no matter how many I start with. So they go from 25/25 connections to 0. Something I ...
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538 views

How to connect Parity to Miner using Stratum & LAN & solo mining?

I am testing Parity with Stratum (is in beta): Parity is running and fully synchronized, on Foundation Chain, on a machine of the LAN (192.168.5.11), started on terminal with: sudo parity --author ...
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902 views

Find all pending transactions from my account with web3

I've sent a few transactions a few days ago and they haven't been mined yet. Now I try to find them because they do not show up on etherscan at all. I tried finding my transactions with various web3 ...
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Do peers rotate?

Once you have 25 peers, do you keep those same 25 peers (assuming the machines stay up)? I'm having a problem (discussed other places) that would be more easily explained if part of the peer ...
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77 views

Parity: Addresses, Contracts

I noticed that Parity disabled the option to create a vanilla address. The only option available in my account is to create vaults, new accounts or multisig-wallets. After seing Parity's art of ...
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172 views

Trouble loading parity wallet from mnemonic phrase

When attempting to restore my parity wallet using the mnemonic phrase, a wallet that is different from the wallet i want to access is loaded. I can view my account and its balance of etherscan, but ...