Questions tagged [geth-clique]

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Clique network: Sign with multiple accounts in a single node

Is it possible to multi-sign a block, by a single geth node (with multiple unlocked sealer-accounts)? Suppose we have multiple sealer accounts (in a clique network). Is it possible to unlock some of ...
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8 views

Vyper Smart Contract deployment using web3.py, Clique PoA

I am new to Blockchain Dapp development so bear with me if I sound a bit out of court. Coming from a Python background, I am trying to use web3.py to create, deploy and interact with vyper ^0.2.0 ...
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Storage space geth for private network?

Setup a private network with clique at 15 secs block creation. Started with 3 nodes. Then deployed a smart contract (ERC 721) and send two transactions. After about 2 days idling, and no transactions, ...
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What is the most updated genesis file for Ethereum POA private network?

I have successfully created the multinode network, but some when trying to deploy smart contracts, some of them fail. This is the config of my genesis: "config": { "chainId": 999, &...
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23 views

Does Geth Clique will get affected when difficulty increases to its maximum?

I have started own private network with clique consensus algorithm in GETH. Regardless of miners now sealer will do the job and I have period:5. Difficulty is set 0 initially but over time it is going ...
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Calling smart contract on private Geth network using Esp32/arduino

I'm trying to call smart contract deployed on private geth blockchain. I couldn't find relevant library on ESP32/Arduino to interact with smart contract. What should I do?
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22 views

How do I send transaction from a non-sealer node/account that can be validated by a validator?

Quick review of my system : Every nodes are connected through geth, clique (so a proof of authority system) I have a bootnode that isn't a sealer I have one main_node that is a sealer I have one ...
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1answer
85 views

How to force geth to use ipv4 instead of ipv6

I'm trying to configure geth on Redhat7 and facing an issue while connecting nodes from the two servers. There are three validator nodes on each machines and ports(30303, 30304, 30305) are allowed. ...
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1answer
49 views

Private ethereum network geth admin.addPeer not working

I am trying to make a private ethereum network the only problem I am facing now is when I make multiple nodes on same pc they discover each other but when I tried to connect other pc on different ...
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54 views

Private Ethereum PoA error: “out of memory”

I'm working with multi node setup on Ethereum private chain PoA. We have all three validator nodes. blockchain ├── genesis.json ├── node1 │ ├── geth │ ├── keystore │ ├── ...
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91 views

Geth v1.9.24 - POA - no sealing with period 0 - “Sealing paused, waiting for transactions”

I have a private clique network with geth v1.9.24. 1 sealer and 1 node. With period=0 there is no sealing happening, all transactions go to txpool as pending, and logs show "Sealing paused, ...
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Geth-Clique PoA

In the PoA consensus algorithm Clique, when a sealer broadcasts a block for a given height of the blockchain, do the other sealers check the validity of the transactions inside the received sealed ...
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Error: Contract not deployed after cloning private geth network from one server to another

Steps to reproduce: Private geth network is running on server1. Deploy contract using truffle and make a few transactions. Stop geth n/w of server1 and copy its entire directory (accounts.txt, boot....
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149 views

Geth keeps changing coinbase / miner account and stops working. (POA Network)

I have set up a Geth POA network of 2 nodes on different cloud instances. Network was running good for 2 months but now suddenly it's getting connections from unknown peers and mining stops working. ...
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21 views

How to do private transactions in POA network with geth client like in besu?

In Hyperledger Besu you can create a private transactions between nodes maintaing privacy. How can I do similar transaction between my geth client in POA network
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49 views

Geth network stopped mining

On my POA network there are 5 nodes/miners but suddenly all nodes stopped mining and giving this in console "INFO [09-05|08:50:16.267] Looking for peers peercount=4 tried=4 static=0". We ...
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75 views

How to process transactions that are in txpool with status pending and queued?

I'm running a private chain and facing issue while doing transactions. All my transactions going to pending status. Hence I have increased gasprice, and now new transaction going to queue. Is there ...
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1answer
217 views

Why my private chain starting Geth on Ethereum mainnet

My private ethereum showing log "starting Geth on Ethereum mainnet.." here are the full logs INFO [08-27|09:14:02.302] Starting Geth on Ethereum mainnet... INFO [08-27|09:14:02.302] Bumping ...
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1answer
59 views

How to create you own ethereum sidechain?

How can I create a geth-clique POA network as an Ethereum sidechain to mainnet or testnets. what is the simplest ways to do that? are there any frameworks that can be implemented easily
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1answer
128 views

POA: Geth node (miner) automatically stops after 3-4 hours which results in primary node pausing and looking for peers

I have set up 2 Geth nodes with POA on different machines. After starting bootnode and starting Geth nodes, they sync well and starts mining alternately. If I manually stop a node, other node keeps ...
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1answer
171 views

Invalid block XX: unknown ancestor while restoring the chain - private blockchain

I'm trying to restore blockchain using import a rlp file geth import backup.rlp It show an error Is there any way to exclude the bad blocks while exporting the chain data? Also, if the gcmode is ...
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26 views

How to extract the block sealer identity from the extraData hexbytes (which is renamed proofOfAuthorityData) in web3.py?

Question is in the tittle. I use a local network with PoA clique and middleware w3 = Web3(IPCProvider('~/mygethnode/geth.ipc')) w3.middleware_onion.inject(geth_poa_middleware, layer=0) And then ...
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27 views

Ethereum Skipping Empty Blocks --preload option doesnt work

In my clique PoA private network setup I try to mine skipping empty blocks and mine only when there is transaction present. I try to follow How to make miner to mine only when there are Pending ...
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1answer
23 views

Scalability of private chain with 0 block time

What could be some issues in scalability if a block time of 0 is set to a private ethereum blockchain? If I set it to zero, blocks will only be added to the blockchain every time there's a single ...
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17 views

Cannot query contract methods after upgrading to geth 1.9

We have been running a geth 1.8 based private PoA chain for a long time. We are trying to upgrade it to geth 1.9. After changing the command line arguments to reflect the new API and remove ...
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35 views

Geth Clique Block Period 1, Fork of Chain inconsistency

Geth Clique Block Period 1, Fork of Chain inconsistency Hello, In my private Clique network with 4 Nodes (A,B,C,D) I noticed a fork in the chain for block period 1. I noticed that it happens some ...
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12 views

Geth Node stalled at EVM layer when sending higher txs to it

Hello in my private clique network with 2 Nodes I have a genesis with block period 2. Block gas limit: 500000000 I also set my miner gas limit and gas target as 500000000 to ensure a linear block ...
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54 views

Geth Clique Proof of Authority Block Period 0 sealing stops after some block height and txpool inconsistent

I setup a private Clique network with 2 nodes Node A and Node B with usual genesis configuration and block period 0 which seals a block when there are pending transactions. When I send 200000 ...
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1answer
42 views

Geth Providing error on its directory path

I have initilize my node1 with my genesis file which worked fine command is 'geth --datadir node1/ init genesis.json'. But with same geth when I try to run this command geth --datadir node1/ --...
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1answer
74 views

PoA network confusion resolving using geth

I am planning to move from PoW to PoA consensus (clique) using geth. But I am confused of some of the topics - 1) Empty blocks are created periodically? What is the size of an empty block? 2) Is it ...
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Transplanting Geth Data

I am wondering if it is possible to transplant a geth node from one computer by overwriting the .Ethereum folder with a full synced node's .Ethereum folder.
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1answer
211 views

How to determine the best sealing time for private Clique

I have several transactions to be stored in my permissioned blockchain with PoA Clique. With the transactions information in mind, how do we determine the best sealing time for private Clique' blocks?...
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228 views

Private Clique network, where can I get block sealer and block reward?

Private blockchain PoA validation algorithm Using geth attach MY-GETH-CLIENT, I want to check the sealer of a block as well as its reward. Using eth.getBlock(BLOCK-NUMBER), the miner field is ...
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54 views

When to stop importing new chain segments from Rinkeby testnet?

I am using geth to sync up with the Rinkeby testnet using the command: geth --rinkeby --syncmode "fast". First it downloaded the blocks, then account states, and now new chain segments are being ...
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1answer
98 views

How a consensus algorithm is implemented in a private Blockchain network ( ethereum )? [closed]

How to implement a new custom consensus algorithm in a network.
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1answer
352 views

Parity Aura - Error: Transaction has been reverted by the EVM

I run the following code against two private blockchains, parity-aura and geth-clique. Why does the parity transaction revert and why does it use 6,000,000gas when it should actually only use about ...
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989 views

Geth-Clique: 2 sealer POA network - sealer nodes not mining - Signed recently, must wait for others - stuck

I have the following setup for a geth clique POA network, however blocks are not mined. The network consists of two separated nodes which are both acting as an active sealer. Sealer 1 Start Command ...