Questions tagged [clique]

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247 views

What is the purpose of non-mining sealer nodes in clique POA private ethereum network with respect to the clique consensus

I did setup a private POA ethereum network with 4 nodes with 3 of them mining . I went on to try a lot of combinations with some miners and sealers and reached to a conclusion that every miner hash to ...
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1answer
39 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
199 views

Geth PoA Clique and Chain Forks

In PoW, in the case of a chain fork, the client will continue on the chain with the most work on it. In Geth PoA Clique, forks still can ocur, since Sealers are racing against each other in sealing ...
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2answers
410 views

Geth PoA Clique and 100% transaction finality

In Bitcoin and Ethereum PoW, we have probabilistic BFT. I.e., the transaction finality will never reach 100%, but it will be very close to that with every further confirmation. How about Geth POA ...
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1answer
42 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
63 views

plug our own consensus in any one of ethereum client? [duplicate]

Actually i try to add new consensus and will through modifying some consensus to see its effect on transaction throughput. so what platform should i use that provide me this facility or should i use ...
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0answers
28 views

Send transactions from any address (account) to a private ethreum network (PoA)

I am trying to send a transaction to a private Ethereum network (PoA) using an arbitrary address. However, the network is not accepting transactions from that address. Are there any method to unlock ...
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0answers
23 views

When enabling Clique consensus, I get status 0x0 Transaction mined but execution failed

When enabling Clique consensus and try to deploy a contract using Remix, I obtain this error; status: 0x0 Transaction mined but execution failed Any idea? FYI, I am creating a private network ...
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0answers
46 views

How to backup and restore txpool data?

I'm using Geth to create a PoA Clique based private blockchain. I'm currently facing this problem and I'm looking for ways to backup and restore txpool data. From the problematic node, this is my ...
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0answers
52 views

PoA chain not processing transaction

I am using Clique and have set period:0 in the genesis.json file. When I migrate --reset there is no problem in sealing new blocks; but, when I submit a transaction from my frontend through metamask, ...
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0answers
38 views

Randomised DPOS for Ethereum VM?

Clique (POA) seems to have awesome configuration possibilities to make it work like a DPoS or a randomised DPoS DPoS : Selects a set of masternodes (maybe 18-25?) which have staked native fuel (ETH ...
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1answer
184 views

Geth syncing times out

Hell, I'm struggling to get a PoA network to run with nodes on several servers. I've reduced the problem to try to get a 2 sealers network since with more than 2 nodes it doesn't even start. With 2 ...
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0answers
241 views

How to set gas price for an OPCODE in a private PoA chain?

I have set up a private PoA network on my machine. I can set the gas price and gas limit for all transactions. Is it possible to set gas price required to sign a transaction for each OPCODE? Like I ...
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1answer
234 views

How to filter transactions in PoA/Clique chain

(ETH noob here) I am thinking of running PoA/Clique based network for a potential dApp project. Is it possible for the sealer to apply filters on transactions before sealing a block? The scenario ...
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1answer
1k views

How to use events to retrieve data from a transaction? PRIVATE CHAIN

i am using GETH for the architecture and deployment of my contract on a private chain and it works pretty fine, but unfortunately i want to return data from a transaction function and this makes me ...
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1answer
212 views

txpool on private chain not working unable to submit txn from non-miner

I have a local test setup with 3 Geth nodes, of which 2 are miners (Clique) and 1 non-miner. I noticed that submitted transactions are never synchronized with other nodes. Consequently, on a non-...

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