Recent questions tagged ethereum

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1 answer

How connect library to smart contract from external resources?

Sep 26, 2018 in Blockchain by slayer
 • 29,370 points • 1,603 views
0 votes
1 answer

Is it possible to send eth to a contract through its constructor from another contract?

Sep 26, 2018 in Blockchain by digger
 • 26,740 points • 2,889 views
0 votes
1 answer

Testrpc Error: listen EADDRINUSE :::8545 on Mac

Sep 26, 2018 in Blockchain by slayer
 • 29,370 points • 2,034 views
0 votes
1 answer

Nethereum C# Unit Test GetTransactionCount

Sep 26, 2018 in Blockchain by digger
 • 26,740 points • 2,423 views
0 votes
1 answer

Error using EtherJS: this.provider.getTransactionCount is not a function

Sep 26, 2018 in Blockchain by slayer
 • 29,370 points • 3,859 views
0 votes
1 answer

Cannot access web3 object with typescript and ethereum

Sep 25, 2018 in Blockchain by digger
 • 26,740 points • 4,356 views
0 votes
1 answer

Poloniex C# API - get trades

Sep 25, 2018 in Blockchain by slayer
 • 29,370 points • 2,596 views
0 votes
1 answer

How to set token price in solidity?

Sep 25, 2018 in Blockchain by digger
 • 26,740 points • 10,515 views
0 votes
1 answer

Ethereum call contract method that emits an event, from another contract

Sep 25, 2018 in Blockchain by slayer
 • 29,370 points • 3,688 views
0 votes
1 answer

eth.getTransactionReceipt returns null

Sep 25, 2018 in Blockchain by digger
 • 26,740 points • 3,574 views
0 votes
1 answer

Call contract methods with web3 from newly created account

Sep 25, 2018 in Blockchain by slayer
 • 29,370 points • 7,625 views
0 votes
1 answer

Not able send ether to my smart contract's address

Sep 25, 2018 in Blockchain by digger
 • 26,740 points • 2,858 views
0 votes
1 answer

Why Gas Used By Txn is different when invoking the same function in the same smart contract？

Sep 25, 2018 in Blockchain by sabby
 • 4,370 points • 2,191 views
0 votes
1 answer

How to detect if an ethereum address is an ERC20 token contract?

Sep 25, 2018 in Blockchain by sabby
 • 4,370 points • 8,890 views
0 votes
1 answer

Getting the length of public array variable (getter)

Sep 24, 2018 in Blockchain by slayer
 • 29,370 points • 3,524 views
0 votes
4 answers

Unable to run truffle@2.1.2 migrate --network live. “Exceeds block gas limit”

Sep 24, 2018 in Blockchain by digger
 • 26,740 points • 3,771 views
0 votes
1 answer

ethminer failed to submit hashrate

Sep 24, 2018 in Blockchain by slayer
 • 29,370 points • 1,690 views
0 votes
1 answer

How to manually create the instance of the contract in truffle?

Sep 24, 2018 in Blockchain by digger
 • 26,740 points • 4,211 views
0 votes
1 answer

Repeating transactions hangs - web3js, local geth

Sep 24, 2018 in Blockchain by slayer
 • 29,370 points • 2,126 views
0 votes
2 answers

Is it possible to modify a variable value from another contract?

Sep 24, 2018 in Blockchain by digger
 • 26,740 points • 5,667 views
0 votes
3 answers

UnhandledPromiseRejectionWarning: Error: The contract code couldn't be stored, please check your gas limit

Sep 24, 2018 in Blockchain by digger
 • 26,740 points • 3,129 views
0 votes
2 answers

Truffle migrate Error after run testrpc

Sep 24, 2018 in Blockchain by slayer
 • 29,370 points • 2,247 views
0 votes
1 answer

Not able to send Ethereum transaction

Sep 24, 2018 in Blockchain by digger
 • 26,740 points • 1,729 views
0 votes
1 answer

Can't send transaction even if I use an example from official Ethereum webpage

Sep 21, 2018 in Blockchain by digger
 • 26,740 points • 2,439 views
0 votes
1 answer

Test ethereum Event Logs with truffle

Sep 21, 2018 in Blockchain by digger
 • 26,740 points • 3,257 views
+1 vote
1 answer

Ethereum vs Hyperledger: Which is better for business networks?

Sep 20, 2018 in Blockchain by slayer
 • 29,370 points • 1,749 views
0 votes
1 answer

How to connect to already running go ethereum client using mist Ubuntu

Sep 18, 2018 in Blockchain by slayer
 • 29,370 points • 1,884 views
0 votes
1 answer

Cannot download fabric-sdk-go.

Sep 18, 2018 in Blockchain by slayer
 • 29,370 points • 1,889 views
0 votes
1 answer

How to get results by running the voting code on Ethereum?

Sep 18, 2018 in Blockchain by slayer
 • 29,370 points • 1,777 views
0 votes
1 answer

Hyperledger fabric node sdk deploy.js example failing

Sep 17, 2018 in Blockchain by digger
 • 26,740 points • 1,870 views
0 votes
1 answer

CompleteableFuture in a loop contruct in a private Ethereum Blockchain

Sep 14, 2018 in Blockchain by digger
 • 26,740 points • 1,762 views
+11 votes
4 answers

How do I create an ether wallet?

Sep 12, 2018 in Blockchain by sabby
 • 4,370 points • 3,951 views
0 votes
1 answer

What's the difference between ethereum and chain?

Sep 12, 2018 in Blockchain by sabby
 • 4,370 points • 2,337 views
0 votes
1 answer

'Invalid sender' error after upgrading to geth 1.4.0

Sep 11, 2018 in Blockchain by sabby
 • 4,370 points • 2,919 views
0 votes
1 answer

How to use ethereum contract's state changing method in javascript?

Sep 11, 2018 in Blockchain by sabby
 • 4,370 points • 2,321 views
0 votes
1 answer

Truffle tests not running after truffle init

Sep 11, 2018 in Blockchain by sabby
 • 4,370 points • 4,538 views
0 votes
1 answer

Smart contract limitations in Ethereum and Hyperledger Fabric

Sep 11, 2018 in Blockchain by sabby
 • 4,370 points • 1,802 views
0 votes
1 answer

Ubuntu "get attach" command failed

Sep 7, 2018 in Blockchain by slayer
 • 29,370 points • 2,096 views
0 votes
1 answer

How to create a version control for a simple array using blockchain?

Aug 31, 2018 in Blockchain by sabby
 • 4,370 points • 1,952 views
0 votes
1 answer

Can I fork an existing blockchain?

Aug 31, 2018 in Blockchain by sabby
 • 4,370 points • 1,653 views
0 votes
1 answer

Intrinsic gas too low and exceeds block limit

Aug 29, 2018 in Blockchain by slayer
 • 29,370 points • 4,787 views
0 votes
1 answer

Unable to unmarshal non-string into Go struct field SendTxArgs from of common.Address

Aug 28, 2018 in Blockchain by aryya
 • 7,460 points • 3,567 views
0 votes
1 answer

"Blocking waiting for a file lock on the registry index" after building parity from source

Aug 28, 2018 in Blockchain by aryya
 • 7,460 points • 2,366 views
0 votes
1 answer

Web3 ethereum miner_start not implemented.

Aug 24, 2018 in Blockchain by slayer
 • 29,370 points • 3,529 views
0 votes
1 answer

Deamon tools supervise exiting without errors

Aug 23, 2018 in Other DevOps Questions by ajs3033
 • 7,300 points • 1,641 views
0 votes
1 answer

How to interact with a Smart Contract on private network using Web3.js?

Aug 22, 2018 in Blockchain by sabby
 • 4,370 points • 3,529 views
0 votes
2 answers

How do I interact with a smart contract on a private network through web3.js

Aug 17, 2018 in Blockchain by sabby
 • 4,370 points • 5,435 views
+1 vote
1 answer

Is it possible to exchange the token for other tokens we create in an Ethereum Smart Contract?

Aug 10, 2018 in Blockchain by sabby
 • 4,370 points • 2,336 views
0 votes
1 answer

Truffle Error: Migrations contract constructor expected

Aug 10, 2018 in Blockchain by slayer
 • 29,370 points • 2,723 views
0 votes
1 answer

Support for ES6 modules syntax on IBM bluemix

Aug 10, 2018 in DevOps on Cloud by Atul
 • 10,240 points • 2,354 views
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