Questions tagged [geth-clique]

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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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9 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
15 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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10 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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18 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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10 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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8 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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7 views

Revalidated then Removed node

I have set up a private geth network with a bootnode and a single signer node. I start the bootnode first then the signer node. The signer node starts mining (using PoA) but in the bootnode logs it ...
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7 views

How to findout without total number of nodes and its information connected to bootnodes only from console or geth command

I want to find out total number of sealer nodes connected with bootnode also if possible for you anyone can someone tell me if we can find out that with either geth or bootnode flags. I cant use ...
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1answer
30 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
36 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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19 views

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
96 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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1answer
65 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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31 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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130 views

Invalid transaction v,r,s values while deploying contract on POA network

I'm trying to create a private POA network. I've generated Genesis file using Puppeth. Then while deploying Smart Contract on Remix using the accounts created, I'm getting the following error: ...
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1answer
58 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
156 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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19 views

bootnode connectivity issue

I am trying to setup POA network and for that I am using bootnode. but I am having difficulty with connection to bootnode. i am using this command gives error. bootnode -nodekey boot.key -verbosity ...
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2answers
441 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 ...