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Hello, I've been getting the error `No Matching Transactions` error a lot lately when trying to call function arguments with a mix of different arguments (bytes32, uint8, uint256, and so on). I've uns…
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### Description
Using a malformed RLP packet, we crash the discovery service of Teku permanently.
Attack scenario
- We identify the public key of a Teku node, from which we compute its nodeId per…
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### Description
Teku doesn't properly validate `RANDOM PACKET` before replying with `WHOAREYOU`. Per the discv5 protocol a `RANDOM_PACKET` is sent to initiate a handshake and the receiving node repl…
jrhea updated
4 years ago
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### Description
We've got a user reporting the following stack trace when running Teku with [OpenEthereum](https://openethereum.wiki/Getting-Synced/). It appears that the eth1 no…
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# _Issue_title_
I always get NULL hash with web3j ethSendRawTransaction;
Both send ETH and ERC20 tokens
## _Issue_description_
I am try to send ETH and ERC20 tokens with web3j through mainnet.…
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我在centos7上部署了一个国密版的FISCO BCOS，运行稳定。
然后使用控制台成功部署了一个HelloWorld智能合约。
问题出现在调用智能合约的时候，调用get函数，结果控制台显示如下：
```
call HelloWorld 0xf42c1988c21124ee2e570f7ed09c0fbb5dfd4774 get
The execution of the contrac…
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This is a quick mod that will help new users. Rather than the traditional gas limit, network fee (if full gas limit used) have estimated gas and estimated network fee.
On web3j this code:
```
…
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Hi.
I run the project as you said. but it gives me the below error:
```
err: org.web3j.tx.exceptions.ContractCallException: Empty value (0x) returned from contract
```
What is the problem?
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### Description
`priv_getPrivateTransaction` returns `blockNumber` and `transactionIndex` as decimal numbers instead of as hex like in `priv_getTransactionReceipt`. They should be…
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I want to create ethereum account, and check in local ethereum server (ex. Ganache, geth)
but i can't find example or information about create ethereum account.
how can i do that?