Recent questions tagged ethereum

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1 answer

PHP IPC with geth Ethereum: How to communicate with client?

Oct 22, 2018 in Blockchain by slayer
 • 29,370 points • 3,164 views
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1 answer

Not able to invoke a contract in Ethereum Private chain using geth

Oct 22, 2018 in Blockchain by slayer
 • 29,370 points • 2,116 views
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1 answer

Web3js: how to catch ethereum contract exception?

Oct 22, 2018 in Blockchain by slayer
 • 29,370 points • 3,328 views
0 votes
1 answer

How to read the ETH value and other token values from an account?

Oct 22, 2018 in Blockchain by digger
 • 26,740 points • 1,860 views
+1 vote
4 answers

Installing Nodejs: sh: node: command not found error

Oct 22, 2018 in Blockchain by digger
 • 26,740 points • 28,834 views
0 votes
1 answer

Web3: No provider set error

Oct 22, 2018 in Blockchain by digger
 • 26,740 points • 3,419 views
+1 vote
3 answers

Not able to read a file from my assets folder

Oct 22, 2018 in Blockchain by digger
 • 26,740 points • 8,557 views
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1 answer

Can one contract own tokens of another contract?

Oct 17, 2018 in Blockchain by sabby
 • 4,370 points • 2,399 views
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1 answer

How to install v1.7.3. of Geth using ppa?

Oct 17, 2018 in Blockchain by sabby
 • 4,370 points • 2,320 views
0 votes
1 answer

How to get ethereum contract public variables?

Oct 17, 2018 in Blockchain by sabby
 • 4,370 points • 3,064 views
+1 vote
1 answer

Return array of struct from a solidity function: "Expected type name function getPurchaseOrderForVendor" error

Oct 17, 2018 in Blockchain by sabby
 • 4,370 points • 6,340 views
0 votes
1 answer

sellprice and buyprice fixing in smart contract.

Oct 17, 2018 in Blockchain by sabby
 • 4,370 points • 1,778 views
0 votes
1 answer

Integrating web3 in cloud functions module

Oct 17, 2018 in Blockchain by sabby
 • 4,370 points • 2,075 views
+4 votes
2 answers

Warning: Invoking events without “emit” prefix is deprecated while truffle compile

Oct 15, 2018 in Blockchain by digger
 • 26,740 points • 3,090 views
0 votes
1 answer

How to set the hex-encoded data field in a Web3j Ethereum transaction?

Oct 15, 2018 in Blockchain by digger
 • 26,740 points • 4,222 views
0 votes
1 answer

How to handle smart contract transaction express nodejs?

Oct 15, 2018 in Blockchain by digger
 • 26,740 points • 2,924 views
0 votes
1 answer

Ethereum nodejs: Unhandled rejection Error: Invalid JSON RPC response

Oct 15, 2018 in Blockchain by digger
 • 26,740 points • 3,637 views
0 votes
1 answer

Ethereum solidity: Unable to get value from another contract

Oct 15, 2018 in Blockchain by digger
 • 26,740 points • 2,695 views
0 votes
1 answer

What is the default network that truffle migrates to when the config has 2 networks?

Oct 15, 2018 in Blockchain by slayer
 • 29,370 points • 2,770 views
0 votes
1 answer

Ethereum nodejs: Contract address returning as undefined in console

Oct 15, 2018 in Blockchain by slayer
 • 29,370 points • 3,105 views
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1 answer

How to save complex object in the contract in solidity

Oct 15, 2018 in Blockchain by slayer
 • 29,370 points • 4,723 views
0 votes
1 answer

UnhandledPromiseRejectionWarning: Insufficient funds error in Ethereum: NodeJS web3

Oct 15, 2018 in Blockchain by slayer
 • 29,370 points • 2,387 views
0 votes
1 answer

Solidity: logical AND outputs parser error

Oct 12, 2018 in Blockchain by sabby
 • 4,370 points • 2,735 views
0 votes
1 answer

How do Ethereum node compete for blocks?

Oct 12, 2018 in Blockchain by sabby
 • 4,370 points • 2,124 views
0 votes
1 answer

How to force gradle to take UTF-8 encoding instead of operating system default encoding?

Oct 12, 2018 in Blockchain by sabby
 • 4,370 points • 8,681 views
0 votes
1 answer

How to input realtime data from google sheets into urlfetch google scripts?

Oct 12, 2018 in Blockchain by sabby
 • 4,370 points • 2,535 views
0 votes
4 answers

Issue with getting web3.eth.accounts (MetaMask)

Oct 12, 2018 in Blockchain by sabby
 • 4,370 points • 7,074 views
0 votes
1 answer

Is the msg.sender address changed while passing to another contract as a parameter?

Oct 10, 2018 in Blockchain by slayer
 • 29,370 points • 2,422 views
0 votes
1 answer

Blockchain: Installing an earlier version of ethereum using apt-get on

Oct 10, 2018 in Blockchain by slayer
 • 29,370 points • 2,662 views
+1 vote
2 answers

Integrating web3 from Metamask: "ReferenceError: window is not defined" error

Oct 10, 2018 in Blockchain by slayer
 • 29,370 points • 9,045 views
0 votes
1 answer

Using json rpc with curl on java?

Oct 10, 2018 in Blockchain by slayer
 • 29,370 points • 4,013 views
0 votes
1 answer

Ethereum generating genesis Python Syntax

Oct 10, 2018 in Blockchain by slayer
 • 29,370 points • 1,826 views
0 votes
1 answer

Where is the geth.exe in the Ethereum mist?

Oct 10, 2018 in Blockchain by digger
 • 26,740 points • 1,858 views
0 votes
1 answer

TypeError: XMLHttpRequest is not a function when using web3 on meteor server side

Oct 10, 2018 in Blockchain by digger
 • 26,740 points • 2,206 views
0 votes
1 answer

Getting Invalid number of parameters for “undefined” when deploying smart contract

Oct 10, 2018 in Blockchain by digger
 • 26,740 points • 4,293 views
0 votes
1 answer

Calling function in truffle console error

Oct 10, 2018 in Blockchain by digger
 • 26,740 points • 4,198 views
0 votes
1 answer

Transfer the gas value of contract to my own address

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

Store contract results tag in a variable

Oct 9, 2018 in Blockchain by digger
 • 26,740 points • 1,267 views
0 votes
1 answer

Ethereum: functions Burn and Transfer source

Oct 9, 2018 in Blockchain by digger
 • 26,740 points • 2,966 views
0 votes
1 answer

Etheruem: Unable to import library in Remix IDE

Oct 9, 2018 in Blockchain by digger
 • 26,740 points • 2,755 views
0 votes
1 answer

Creating an account with web3.js v0.2.6

Oct 9, 2018 in Blockchain by digger
 • 26,740 points • 1,633 views
0 votes
1 answer

How to allow request from host machine and deny from other machine, using ethereum in docker?

Oct 9, 2018 in Blockchain by digger
 • 26,740 points • 1,734 views
0 votes
1 answer

Nodejs Express: Getting different output in console.log and callback

Oct 9, 2018 in Blockchain by slayer
 • 29,370 points • 1,433 views
0 votes
1 answer

I am not able to change array elements globally

Oct 9, 2018 in Blockchain by slayer
 • 29,370 points • 1,630 views
0 votes
1 answer

Truffle Compile failing, ParserError: Expected token LParen got Identifier function

Oct 9, 2018 in Blockchain by slayer
 • 29,370 points • 3,679 views
0 votes
1 answer

Getting “web3.eth.filter is not a function” while trying to monitor Ethereum blocks

Oct 9, 2018 in Blockchain by slayer
 • 29,370 points • 3,804 views
0 votes
1 answer

Solidity ParserError: Expected identifier but got '='

Oct 9, 2018 in Blockchain by slayer
 • 29,370 points • 11,511 views
0 votes
1 answer

truffle migrate Error

Oct 8, 2018 in Blockchain by slayer
 • 29,370 points • 2,302 views
0 votes
1 answer

How can I inject and use this javascript library (web3) with JavascriptCore

Oct 8, 2018 in Blockchain by slayer
 • 29,370 points • 2,025 views
0 votes
1 answer

Get specific JSON data value using array from Coin Market Cap API

Oct 8, 2018 in Blockchain by slayer
 • 29,370 points • 3,103 views
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