fixanoid
  • Member for 3 years, 6 months
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ERC20 token transfer is not showing in receiver's balance
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I'm afraid plain vanilla ERC-20 with privateFor will not work as designed -- as you have so far experienced. Reason for that is that all privateFor txns are private for the participating nodes defined ...

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Is the value of the privateFor param accesible in the contract?
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1 votes

At the moment, privateFor is never passed or recorder on chain or into EVM, therefore, it is impossible to read privateFor in a contract

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Quorum vs Private network Ethereum blockchain
1 votes

Private ethereum blockchain is having an ethereum client running in local mode with non-default configuration of ports and connections. Otherwise it behaves and acts like a regular ethereum node. By ...

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quorum private transaction is giving error "Transaction has been reverted by the EVM"
1 votes

so the problem is that your solidity compiler outstrips the abilities of the Quorum version you are using. This means that you compile newer solidity code that Quorum v2.2.1 cannot run correctly. You ...

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What is the block number of the first block mined in a private blockchain network deployed on say Quorum?
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Azure MBS uses Quorum configured with IBFT consensus. In IBFT mode, Quorum will continuously advance the chain even if there are no pending txns, unlike Raft configuration. This is done to ensure that ...

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Quorum private transactions not private
3 votes

Your code is a good example of sending a public txn that is externally signed, but it is not a private txn, thus the contract is available on all nodes of the chain. Sending a private txn is a bit ...

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How to send a private transaction using Quorum
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Private txns in Quorum are designed to be executed over private contracts, we have many examples, but I'd recommend starting on this page to understand how its done: https://github.com/jpmorganchase/...

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Remix Browser and Quorum Local Node
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So as of Quorum v2.4.0, the underlying geth is still v1.8.x. That means you are a bit limited to the hardforks and EVM changes you may use when using remix and other solidity compilers. First, you ...

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It possible to hard fork a private network without resyncing chain from scratch?
2 votes

Anything in config section of genesis is applied directly onto the geth regardless of the blocks it may have already in its chain. So, if the chain is up to lets say block 1000, you can enable new ...

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How get private key in private network?
1 votes

You can't through blockchain. You'd need to transfer the actual keys separately (that is outside of blockchain). In geth, to do that you'd need to copy over contents of keystore in datadir.

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Data storage and replication in a private blockchain
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This depends on the client you are using. Geth (most popular Ethereum client) stores everything in a local leveldb which is a file based database. Generally it will put it into ~/.ethereum unless you ...

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Quorum Maker for recovery of blockchain data in secondary node
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Quorum Maker is not a tool to set up your production and fault tolerance nodes with Quorum. Its a bit out of date now and forces you to use older version of client. My recommendation would be to ...

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Multiple nodes setup in Quorum Network
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Since Quorum is based on Ethereum, node recovery is very straight forward and would behave in a similar manner as regular Ethereum nodes. In Quorum, you need to make sure to back up all geth node keys ...

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Defined GasLimit in genesis file and in web3j gasprovider
1 votes

So, my recommendation is to update to the latest version: v2.3.0. Depending how the 2.2.3 was configured, minting node may ignore globally set block size, to ensure that it doesnt, use --miner....

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Not possible to connect to the Web3 provider
1 votes

Looks like the cors domain isn't correct, you'd need to enter the url of remix in there. We have a detailed presentation that talk about how to do this in some detail here: https://docs.google.com/...

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Can we remove queued transaction in geth pool (PoA)?
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You can manually remove transactions by shutting down the node and deleting transactions.rlp in your geth folder. As for limiting transactions, like your previous comment mentions --txpool.lifetime ...

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gasLimit 5000 on private Ethereum geth node
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One way to do this is to set very high limit for gas in the genesis config file like so: "gasLimit": "0xE0000000". Alternatively, run a client optimized for private nets: https://github.com/...

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Consortium vs. Permissioned Blockchains
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They're not quiet the same thing but they are often related since consortiums prefer to ensure that their perimeter / border is not breached. Consortium typically refers to a group of corps or ...

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Differences between Quorum and Pantheon
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4 votes

There are 2 main differences: Besu is a more generic client that support Ethereum mainnet and is written in Java Quorum is a fork of geth (go-ethereum, the most used client for ethereum). It does ...

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Quorum Development
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2 votes

Not sure what in-depth may mean in your case, but here are some samples, ideas, and places to find help Official documentation can be found here: https://docs.goquorum.com. This has a ton of things ...

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Setting methods permissions a quorum network
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If you are using Quorum, then before going to much further, please consider reviewing our new permissions model here: https://github.com/jpmorganchase/quorum/pull/715 once you switch tot he branch, ...

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How to build the seamless bridge between two blockchain platform?
1 votes

There are a number of bridge services readily available for Ethereum, obviously the use will depend on your exact use case, but here are a selection of projects for you to review: Parity Bridge: ...

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Quorum - Ethereum interaction
1 votes

There are a number of bridge services readily available for Ethereum and Quorum, obviously the use will depend on your exact use case, but here are a selection of projects for you to review: Parity ...

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Good source for TPS and transaction latency / finality for private Ethereum blockchains
4 votes

I can't speak to the others as I work on Quorum, but there are a few good sources that our team uses and references. Here is performance evaluation done by an external team with published method and ...

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How to do the Smart Contract Storage Migration using Quorum?
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Its not going to be possible to upgrade the contract, but copying the values should be trivial. The node creating new contract should read the current state via contract accessors (if those exist), ...

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About key and address difference between Quorum and Ethereum blockchain
4 votes

Quorum adds a number of features into plain Ethereum, tho from perspective of using it or developing a dapp with it its practically the same. These features are what make Quorum enterprise ready and ...

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Algorithm used for symmetric key encryption by quorum
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2 votes

This information is documented in several places and in the source code directly. Here is a link to an expanded explanation of what happens in the Tessera enclave: http://docs.goquorum.com/en/latest/...

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Private transaction validation in quorum
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In Quorum, as of v2.2.4, private state txns are not validated by the block minters. In your scenario, unless there is a regulator / god node that sees all transactions, its going to be surprisingly ...

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which port I use when I want to connect remix to my local quorum network?
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Remix, like most of Ethereum wrappers access node via RPC API. To connect remix, you would tell it to connect on port 22101 as this is what you define to be your rpc port. The only other caveat is ...

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How many nodes do I need in a Quorum Private Blockchain?
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1 votes

If you are developing, then a single node is enough to get you going. A proper Quorum chain should consist of 3, or 5, or 7 nodes to start with depending on the fault tolerance you would like. Our own ...

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