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reproduce:
`solc \contracts\spawnable-contract\schema1\MeetupContract.sol --bin --abi --optimize -o build/`
`web3j solidity generate build/TicketPro.bin build/TicketPro.abi -o src/main/java/ -p io.s…
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# Ethereum Core Devs Meeting 66 Agenda
- Meeting Date/Time: **Friday 26 July 2019 at [14:00 UTC](https://savvytime.com/converter/utc-to-germany-berlin-united-kingdom-london-ny-new-york-city-ca-…
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Hi,
when trying to install web3j via brew on my mac I get the following error:
```
~ brew tap web3j/web3j
==> Tapping web3j/web3j
Cloning into '/usr/local/Homebrew/Library/Taps/web3j/homebrew…
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# Not able to fetch data from infura in subscription body
I am listening to my contract Transfer events via a websocket connection with an Infura endpoint. When a new transfer event occur on the Bloc…
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`public String getPurchaseOrderForVendor(String contractAddress,String accountAddress, String
vendorName)
{
TransactionManager tx = getTransactionManager(accountAddress);
…
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https://github.com/web3j/web3j/blob/01648d376e97da25e4cd1b4cd6a0c743bdd98a55/core/src/main/java/org/web3j/protocol/http/HttpService.java#L154
This line of code is wrong, should be a reference to th…
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When the parallel execution engine is used, it sends transactions in parallel. If multiple transactions are executed by Ethereum from the same account with the same nonce at the same gas price, then a…
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## Description
I failed to validate several contracts. I will use Dai as an example: https://etherscan.io/address/0x6b175474e89094c44da98b954eedeac495271d0f#code
## Environment
- Compiler ver…
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Receiving exception bellow during contract deployment via Contract wrapper.
```
java.lang.UnsupportedOperationException: Empty transaction receipt, only transaction hash is available
at org.web3j…
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[https://docs.web3j.io/javadoc-api/](url)
This link clearly does not work anymore. Is there an updated one available? Thanks.