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Results tagged with go-ethereum
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user 51448
Go Ethereum (short: Geth) is a Golang implementation of the Ethereum protocol.
3
votes
Accepted
Incorrect Usage. flag provided but not defined: -emitcheckpoints
Firstly, the flag provided but not defined message means that you are running a standard Ethereum geth executable, not Quorum.
You need to make sure the Quorum geth is the first one found in your path …
- 566
2
votes
How to execute a private transaction in quorum
As per the response from Florian - follow the instructions in the docs for Creating Private Transactions/Contracts.
Make sure you have a transaction manager running for each node (e.g. Tessera).
Ess …
- 566
1
vote
deploying simple contract on quorum 7nodes example
The first step would be to check whether you can connect directly to geth with 'geth attach qdata/dd1/geth.ipc'.
If that fails then your geth node is possibly not running. You can check with 'ps -ef | …
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3
votes
Accepted
The EVM throws an error "invalid opcode 0x1c"
That opcode is a recent addition to geth in the Constantinople release.
You need to add the following to your genesis to enable Constantinople:
"constantinopleBlock":0,
- 566
1
vote
Is a Raspberry Pi 2 a suitable piece of hardware to run a Quorum Node with Tessera? If so ha...
As per my reply on Slack:
There's a ticket with some info on it here.
You may also find this youtube link useful.
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0
votes
I am getting a error when trying to set up a local raft network
That means you are running the upstream (original Ethereum) geth executable, instead of the quorum executable. (Ethereum geth doesn't support raft).
Check your path is set up so that you pick up Quoru …
- 566
0
votes
Access private transactions(payload or state) on a smart contract using tessera
What you are doing looks correct.
Basically, if privateFor is missing, then the transaction is public. You must specify privateFor in order for the transaction to be private. All the nodes specified i …
- 566
1
vote
Accepted
How to get rid of inactive nodes in Geth
You need to remove the stale nodes from Raft.
Instructions on how to do this can be found in the Quorum docs.
- 566
3
votes
How is authorization handled in smart contracts
You are correct - anyone with the address & ABI can call a public contract. The only way to prevent this is to have code within the contract that checks for calls from authorized addresses.
If a priv …
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