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 • 1,715 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 • 3,011 views
0 votes
1 answer

Testrpc Error: listen EADDRINUSE :::8545 on Mac

Sep 26, 2018 in Blockchain by slayer
 • 29,370 points • 2,145 views
0 votes
1 answer

Nethereum C# Unit Test GetTransactionCount

Sep 26, 2018 in Blockchain by digger
 • 26,740 points • 2,514 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 • 3,971 views
0 votes
1 answer

Cannot access web3 object with typescript and ethereum

Sep 25, 2018 in Blockchain by digger
 • 26,740 points • 4,595 views
0 votes
1 answer

Poloniex C# API - get trades

Sep 25, 2018 in Blockchain by slayer
 • 29,370 points • 2,691 views
0 votes
1 answer

How to set token price in solidity?

Sep 25, 2018 in Blockchain by digger
 • 26,740 points • 10,729 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 • 3,805 views
0 votes
1 answer

eth.getTransactionReceipt returns null

Sep 25, 2018 in Blockchain by digger
 • 26,740 points • 3,671 views
0 votes
1 answer

Call contract methods with web3 from newly created account

Sep 25, 2018 in Blockchain by slayer
 • 29,370 points • 7,751 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 • 2,976 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 • 2,315 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 • 9,036 views
0 votes
1 answer

Getting the length of public array variable (getter)

Sep 24, 2018 in Blockchain by slayer
 • 29,370 points • 3,645 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 • 3,958 views
0 votes
1 answer

ethminer failed to submit hashrate

Sep 24, 2018 in Blockchain by slayer
 • 29,370 points • 1,776 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 • 4,358 views
0 votes
1 answer

Repeating transactions hangs - web3js, local geth

Sep 24, 2018 in Blockchain by slayer
 • 29,370 points • 2,233 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 • 5,812 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 • 3,275 views
0 votes
2 answers

Truffle migrate Error after run testrpc

Sep 24, 2018 in Blockchain by slayer
 • 29,370 points • 2,398 views
0 votes
1 answer

Not able to send Ethereum transaction

Sep 24, 2018 in Blockchain by digger
 • 26,740 points • 1,836 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 • 2,544 views
0 votes
1 answer

Test ethereum Event Logs with truffle

Sep 21, 2018 in Blockchain by digger
 • 26,740 points • 3,382 views
+1 vote
1 answer

Ethereum vs Hyperledger: Which is better for business networks?

Sep 20, 2018 in Blockchain by slayer
 • 29,370 points • 1,845 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 • 2,015 views
0 votes
1 answer

Cannot download fabric-sdk-go.

Sep 18, 2018 in Blockchain by slayer
 • 29,370 points • 1,984 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 • 1,882 views
0 votes
1 answer

Hyperledger fabric node sdk deploy.js example failing

Sep 17, 2018 in Blockchain by digger
 • 26,740 points • 1,973 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 • 1,861 views
+11 votes
4 answers

How do I create an ether wallet?

Sep 12, 2018 in Blockchain by sabby
 • 4,370 points • 4,105 views
0 votes
1 answer

What's the difference between ethereum and chain?

Sep 12, 2018 in Blockchain by sabby
 • 4,370 points • 2,512 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 • 3,041 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 • 2,451 views
0 votes
1 answer

Truffle tests not running after truffle init

Sep 11, 2018 in Blockchain by sabby
 • 4,370 points • 4,849 views
0 votes
1 answer

Smart contract limitations in Ethereum and Hyperledger Fabric

Sep 11, 2018 in Blockchain by sabby
 • 4,370 points • 1,936 views
0 votes
1 answer

Ubuntu "get attach" command failed

Sep 7, 2018 in Blockchain by slayer
 • 29,370 points • 2,186 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 • 2,090 views
0 votes
1 answer

Can I fork an existing blockchain?

Aug 31, 2018 in Blockchain by sabby
 • 4,370 points • 1,741 views
0 votes
1 answer

Intrinsic gas too low and exceeds block limit

Aug 29, 2018 in Blockchain by slayer
 • 29,370 points • 4,918 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 • 3,696 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 • 2,461 views
0 votes
1 answer

Web3 ethereum miner_start not implemented.

Aug 24, 2018 in Blockchain by slayer
 • 29,370 points • 3,659 views
0 votes
1 answer

Deamon tools supervise exiting without errors

Aug 23, 2018 in Other DevOps Questions by ajs3033
 • 7,300 points • 1,731 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 • 3,676 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 • 5,588 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 • 2,532 views
0 votes
1 answer

Truffle Error: Migrations contract constructor expected

Aug 10, 2018 in Blockchain by slayer
 • 29,370 points • 2,842 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 • 2,475 views
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