Questions tagged [poa]

POA stands for proof of authority . This tag will be used for question related to POA/POA network

Filter by
Sorted by
Tagged with
0 votes
0 answers
17 views

Performance Analysis of Private Ethereum Blockchain using Prometheus and Grafana

I have built a private blockchain network using goEthereum with PoA consensus model using Clique. The nodes are live and connected. I want to measure its performance(Throughput, latency..), using ...
Zero's user avatar
  • 1
2 votes
0 answers
167 views

Post-merge PoA private network with geth

Crossposting this from r/ethdev as I have the feeling I have a better chance for an answer here. Hi, I have been playing around with ethereum private networks for a couple months, deploying them in ...
wilsonesque's user avatar
0 votes
0 answers
78 views

Geth - Block sealing stopped in POA network

New block sealing is stopped in PoA network with 3 nodes. Transactions are always going into pending state. Though the nodes were synced, blocks are never synced after block#69400 for new transactions....
sharif2008's user avatar
2 votes
1 answer
90 views

Private POA Ethereum Gas Problem

I have setup a private POA Ethereum network for testing purpose. From this link: Is gas burned in a PoA network? it stated that the gas will be circulated in the network (i.e. fed back to the signer's ...
ralphchan's user avatar
  • 121
1 vote
1 answer
277 views

Fatal: Error starting protocol stack: listen tcp 127.0.0.1:8545: bind: Only one usage of each socket address (protocol/network address/port)

I have this error when i try tu run my second node on Geth...I used authrpc.port but still the problem persists: I ran my node1 with these commands: geth --datadir node1 --networkid 2244 --allow-...
AlexCav's user avatar
  • 51
0 votes
0 answers
22 views

On private PoA network, stopping miner breaks transaction propagation/mining

Trying to create a private PoA network. I am using docker but pretty sure the same will happen without it. The main idea is to have a single miner only. The following sequence of actions will make ...
Tsirkin Evgeny's user avatar
0 votes
0 answers
1k views

Chain id error while creating a new network custom RPC in metamask connecting private network in virtual machine

I have a dought related to the. Blockchain topic Sir. I am creating a private blockchain POA using geth Using virtual machine In between, I am connecting it to the metamask by creating custom RPC ...
quick cricket's user avatar
0 votes
1 answer
15 views

can't find geth poA ressources

I'm new to blockchain technology and currently working on an Ethereum project that requires the use of the PoA (Proof of Authority) consensus algorithm. I've heard that Geth allows for the use of PoA, ...
Amxdz's user avatar
  • 1
0 votes
0 answers
64 views

Private Ethereum blockchain development no Puppeth

After the removal of Puppeth from Geth (on January 31st), is there another tool similar to it that allows the simplified development of the Clique private network (PoA)? If yes, could you give me more ...
AlexCav's user avatar
  • 51
0 votes
0 answers
30 views

Private Ethereum Blockchain Connection with AWS (PoA consensus)

Is it possible to connect a private Ethereum blockchain with AWS? An alternative to Amazon Managed Blockchain (which forces me to use Hyperledger) and amazon EC2, is there?? Also, how can I implement ...
AlexCav's user avatar
  • 51
0 votes
0 answers
63 views

Proof Of Authority - Check network is able to mine new blocks

I have an ethereum private network with Proof Of Authority consensus (clique). Sometimes the signer/sealer nodes go down and the network is not able to mine new blocks (because the 51% is not reached)....
Dan's user avatar
  • 167
1 vote
1 answer
646 views

Clique POA Signed recently must wait for others

In poa private ethereum network I have 2 nodes i mentioned the 1st node as a validator in genesis file after sometimes I'm adding the second account as a validator or signer in geth console using ...
Soundar Pavithran's user avatar
0 votes
1 answer
345 views

how to setup up Gas Price POA network

I have setup POA Network with clique, 5 Node with Public RPC, everything working fine, but i would like to setup Gas Fee to 25 GWEI automatically Metamask pick this estimation, by Default POA has 1 ...
Tej Bhandari's user avatar
2 votes
1 answer
56 views

Using Hyperledger QBFT suitable for public chains?

I am thing process of creating my own public EVM network, i found the best approach available would be using QBFT on HyperLedger Besu as it is Proof Of Authority and secure for production uses. But ...
dev's user avatar
  • 21
1 vote
2 answers
199 views

I can't figure out the reason for this error

There are no problems with the nodes. but i keep getting this warning What exactly is the reason for this? err="signed recently, must wait for others"
sabri yasin's user avatar
0 votes
0 answers
62 views

Open ports for sealers in POA

Should sealers have open TCP/UDP ports that allow other nodes to connect when running a clique blockchain? Edit: In other words: Is it mandatory for sealer nodes to accept incoming connections on the ...
Kees's user avatar
  • 101
1 vote
1 answer
100 views

What settings should a private PoA blockchain have to be free to use? ( No ether in use )

I am a total noob in creating blockchains, and I am trying to make one using geth with PoA. I want to make a PoA private blockchain where transactions and smart contracts ( usage and deployments ) are ...
MrFrenzoid's user avatar
2 votes
1 answer
135 views

How Ethereum 2.0 and sharding will apply to private Ethereum with PoA consensus (Clique)?

We're about to run the private Ethereum PoA chain based on Clique and thinking how would we support it for ages. Hence we're wondering: Whether Ethereum 2.0 updates (London, etc) are even applicable ...
nikitaeverywhere's user avatar
0 votes
1 answer
19 views

Poa question erc token

I want to ask a question in regards to poa Consensus. If I was looking to fork ethereum and setup my own side ledger using poa and creating/erc specific tokens on this chain..is there a way where I ...
microlight 's user avatar
0 votes
0 answers
107 views

Too many chain reorgs in a proof of authority (clique) based private blockchain

I'm studying on Proof of Authority (Clique) based blockchains. I've setup private networks with 1 validator nodes few times, things really go well in 1 validator but when I add 2 / 3 validators in the ...
Arrow's user avatar
  • 1
0 votes
1 answer
63 views

What could be the problem if there is only one sealer in private network with PoA Consensus?

I have a private network created using geth and I want to use it as a decentralized database. Currently, I'm testing the network using 3 nodes which one of the nodes as a validator (hence only one ...
fahadh4ilyas's user avatar
3 votes
1 answer
565 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 ...
NinjaMAN's user avatar
  • 409
1 vote
0 answers
254 views

How do you hard-fork a Clique PoA chain to use new validators?

Imagine you've got a running PoA chain using Clique PoA with Geth. If everything is running normally, you can propose additions and removals of validators and the existing validators will vote on the ...
Edmund Edgar's user avatar
  • 16.8k
0 votes
1 answer
155 views

Remove ether from PoA private network

I try to setup a private network containing three nodes (bootnode, sealer, transaction node with rpc) and PoA. So far so good. The thing is I don't want to have any ether nor do I want to pay any gas ...
KiWi's user avatar
  • 1
1 vote
0 answers
84 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 │ ├── ...
Div's user avatar
  • 361
0 votes
0 answers
168 views

How to provide balance to validator nodes after blockchain creation private blockchain POA

I'm working with a private Ethereum blockchain PoA with three validator nodes. I have initially added three wallet addresses to get some free ethers. However, when I checked the balance of one of the ...
Div's user avatar
  • 361
1 vote
0 answers
67 views

can a running blockchain fork from PoW to PoA?

can a running public blockchain hard fork from PoW to PoA?
iooiwok's user avatar
  • 11
1 vote
1 answer
688 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, ...
nazneen's user avatar
  • 21
0 votes
0 answers
213 views

How to identify why my transaction goes to pool, and how to process them?

I'm working with POA blockchain with three nodes. When I send transaction using geth console, sometimes my transaction goes to txpool and never clear from there. Is there any way using that we can see ...
Div's user avatar
  • 361
1 vote
0 answers
131 views

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 ...
Bruce Wayne's user avatar
1 vote
0 answers
24 views

Geth Puppeth set Seaing Profit to 0

I am creating a private blockchain network using GoEthereum. I am using Clique (to get the PoA protocol). Since I have predefined sealers/miners, I do not want to set any mining profit for them. But ...
Zubayr's user avatar
  • 123
1 vote
0 answers
202 views

Private PoA deployment leads to 'invalid gas used' error

I'm trying to deploy a contract to a private clique chain running on two devices (laptop and raspi). Deploying the contract when running multiple nodes on a single device worked fine as per usual, ...
fng's user avatar
  • 11
1 vote
1 answer
828 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. ...
Ronak Doshi's user avatar
1 vote
0 answers
289 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 ...
Lokesh Maheshwari's user avatar
1 vote
1 answer
923 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 ...
Ronak Doshi's user avatar
1 vote
1 answer
278 views

geth mining not working without --allow-insecure-unlock (geth 1.9.16-stable-ea3b00ad)

I am running a private ethereum blockchain with POA geth --port 3000 --networkid 42 --datadir=./blkchain --maxpeers=5 --rpc --rpcport 8543 --rpcaddr 127.0.0.1 --rpccorsdomain "*" --rpcapi &...
Tuan Huynh's user avatar
0 votes
1 answer
177 views

Why array.pop() doesn't work on my private network?

I have deployed a PoA network using Hyperledger Besu and I'm using Remix in order to code a very simple smart contract. Here is the smart contract code: // SPDX-License-Identifier: MIT pragma solidity ...
manumonti's user avatar
1 vote
0 answers
21 views

Cannot connect to Azure PoA Websocket

Just like question Connecting to blockchain on azure using web3.js and websocket, I need to use websockets to capture events. I have gotten my http and websocket endpoints from the deployment outputs ...
Mark Waser's user avatar
0 votes
1 answer
139 views

How to add member NOT peer node to private ethereum network

I followed this parity-poa tutorial to build a private POA ethereum network in local. I want to add member node to this network . so i run parity client with below configuration toml file: [parity] ...
Ajit Soman's user avatar
0 votes
1 answer
158 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/ --...
Sahitya Kumar Suman's user avatar
2 votes
1 answer
254 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 ...
sharif2008's user avatar
3 votes
1 answer
212 views

geth clique block gas limit

I have setup new PoA network with default block gas limit to 3 billions. The network starts with configured limit. However, overtime the block gas limit reduce down to 8 millions. Is there a way to ...
c.sokun's user avatar
  • 267
3 votes
1 answer
2k views

bootstrap node vs cmd/bootnode

I am using bootnode as a starting/meeting point for my private POA/clique network. When I start it since one of the latest versions it says: fmt.Println("Note: you're using cmd/bootnode, a developer ...
heinob's user avatar
  • 238
1 vote
0 answers
169 views

Migration from PoW to PoA Clique on geth

After reading chapter "Repurposing header fields for signing and voting" at https://eips.ethereum.org/EIPS/eip-225 I've understood the nonce field of blocks in PoW consensus blockchain is reused for ...
Bertrand Juglas's user avatar
2 votes
0 answers
43 views

burning or collecting transaction fees on PoA

In Parity PoA, how would you burn or divert all transaction fees to a predefined contract? Would it be easier in another PoA chain?
Itamar Caspi's user avatar
2 votes
0 answers
97 views

Calculated blockhash of PoA block mismatches with actual blockhash returned by RPC

I set up a Demo PoA chain using Parity Etheruem. I sent some transactions to it and it started producing blocks. A block on my demo PoA chain was generated with block hash ...
Soham Zemse's user avatar
  • 1,961
2 votes
1 answer
418 views

raw transactions to send ERC20 token fails on private network(POA)

I am trying to transfer ERC20 tokens on private ethereum network(POA) Transaction flow: raw tx object creation on backend. { "gasLimit": 37000, "gasPrice": 4000000000, "...
rohit_sethi's user avatar
2 votes
5 answers
21k views

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; ...
Oaks-view's user avatar
  • 135
2 votes
1 answer
318 views

Blocktime zero (period:0) with clique in permissioned blockchain

I am considering to set the blocktime to zero (clique.period:0) in a permissioned private blockchain with known but untrusted nodes. The reason to do this is having a minimum transaction process ...
heinob's user avatar
  • 238
0 votes
1 answer
119 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 ...
jon's user avatar
  • 1