Questions tagged [java]

Java is a general-purpose computer programming language that is concurrent, class-based, object-oriented, and specifically designed to have as few implementation dependencies as possible.

169 questions
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Web3j and Transaction with null receiver

I am trying to get the list of all transactions using the method web3j.catchUpToLatestAndSubscribeToNewTransactionsObservable but a lot of them have a null receiver (Transaction.to). Using etherscan.io and the tx hash I can see that the receivers…
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How to get biggest holders for specific token?

I am trying to get a descending list of biggest token holders like is displayed on etherscan. I could not locate an api to do this. I looked at EtherScan and EthPlorers api but did not see anything pertaining to this. Does anyone know how i can do…
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Failed to resolve: java-ipfs-http-client:1.3.3

I'm trying to implement IPFS for Java and I came across an error of "Failed to resolve: com.github.ipfs:1.3.3' build.gradle file Here i added implementation 'java-ipfs-http-client:1.3.3 plugins { id 'com.android.application' } …