Recent questions tagged ethereum

0 votes
3 answers

Truffle migrate Could not connect to your Ethereum client.

Nov 29, 2018 in Blockchain by digger
 • 26,740 points • 11,930 views
0 votes
1 answer

Not able to install truffle using npm install -g truffle

Nov 29, 2018 in Blockchain by digger
 • 26,740 points • 4,536 views
0 votes
1 answer

Not able to start testrpc for Ethereum truffle

Nov 28, 2018 in Blockchain by digger
 • 26,740 points • 1,058 views
0 votes
1 answer

Connect to external server through Socket.IO from Node.js

Nov 21, 2018 in IoT (Internet of Things) by Bharani
 • 4,660 points • 15,372 views
0 votes
1 answer

Ethereum: Cloning cpp-ethereum from git.

Nov 19, 2018 in Blockchain by slayer
 • 29,370 points • 981 views
0 votes
1 answer

TestRPC/Ganache: the transaction doesn't have the correct nonce

Nov 15, 2018 in Blockchain by Christine
 • 15,790 points • 3,057 views
0 votes
1 answer

How do I get the balance of an account in Ethereum?

Nov 15, 2018 in Blockchain by Christine
 • 15,790 points • 17,336 views
0 votes
1 answer

In Ethereum Solidity, what is the purpose of the “memory” keyword?

Nov 15, 2018 in Blockchain by Christine
 • 15,790 points • 1,831 views
0 votes
1 answer

What is the difference between ipfs and ethereum?

Nov 15, 2018 in Blockchain by Christine
 • 15,790 points • 3,789 views
+1 vote
1 answer

invalid sender error when trying to send signed transaction

Nov 6, 2018 in Blockchain by Vlad
 • 130 points • 5,875 views
0 votes
1 answer

Can I execute distributions in ERC20 tokens on a later stage?

Nov 2, 2018 in Blockchain by Perry
 • 17,100 points • 832 views
0 votes
1 answer

Ethereum Advance token sample

Nov 2, 2018 in Blockchain by Perry
 • 17,100 points • 612 views
0 votes
1 answer

How to issue regular payouts to multiple wallets?

Oct 30, 2018 in Blockchain by Perry
 • 17,100 points • 873 views
0 votes
1 answer

Unable to change a state variable in a contract

Oct 30, 2018 in Blockchain by Perry
 • 17,100 points • 570 views
+3 votes
1 answer

When I ran truffle init, I got this error:

Oct 29, 2018 in Blockchain by Davidala
 • 150 points • 840 views
0 votes
1 answer

How to reduce a random hash to a boolean value

Oct 26, 2018 in Blockchain by Prerna
 • 1,960 points • 844 views
0 votes
1 answer

Are Ethereum contract function securable?

Oct 26, 2018 in Blockchain by Prerna
 • 1,960 points • 835 views
0 votes
1 answer

Go ethereum: Gradle sync error

Oct 24, 2018 in Blockchain by digger
 • 26,740 points • 755 views
0 votes
1 answer

Mining in private net: Balance not increasing

Oct 24, 2018 in Blockchain by digger
 • 26,740 points • 646 views
0 votes
1 answer

How to run smart contract function using nethereum to return a result?

Oct 24, 2018 in Blockchain by digger
 • 26,740 points • 2,095 views
0 votes
1 answer

Truffle init: Error: Cannot find module 'original-require'

Oct 24, 2018 in Blockchain by slayer
 • 29,370 points • 2,001 views
0 votes
1 answer

Ethereum Mist: Compiling Error with sha3

Oct 24, 2018 in Blockchain by slayer
 • 29,370 points • 1,131 views
0 votes
2 answers

Ethereum function completed not event not showing up

Oct 24, 2018 in Blockchain by slayer
 • 29,370 points • 933 views
0 votes
1 answer

Ethereum serpent version conflict error.

Oct 24, 2018 in Blockchain by slayer
 • 29,370 points • 457 views
0 votes
1 answer

Ethereum Node Connection: TypeError: Cannot read property 'version' of undefined

Oct 24, 2018 in Blockchain by slayer
 • 29,370 points • 1,967 views
0 votes
1 answer

Ethereum truffle MetaCoin : 'intrinsic gas too low' error

Oct 22, 2018 in Blockchain by slayer
 • 29,370 points • 1,347 views
0 votes
1 answer

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

Oct 22, 2018 in Blockchain by slayer
 • 29,370 points • 1,860 views
0 votes
1 answer

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

Oct 22, 2018 in Blockchain by slayer
 • 29,370 points • 1,046 views
0 votes
1 answer

Web3js: how to catch ethereum contract exception?

Oct 22, 2018 in Blockchain by slayer
 • 29,370 points • 2,282 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 • 894 views
+1 vote
4 answers

Installing Nodejs: sh: node: command not found error

Oct 22, 2018 in Blockchain by digger
 • 26,740 points • 25,871 views
0 votes
1 answer

Web3: No provider set error

Oct 22, 2018 in Blockchain by digger
 • 26,740 points • 2,087 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 • 7,029 views
0 votes
1 answer

Can one contract own tokens of another contract?

Oct 17, 2018 in Blockchain by sabby
 • 4,370 points • 1,482 views
0 votes
1 answer

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

Oct 17, 2018 in Blockchain by sabby
 • 4,370 points • 1,223 views
0 votes
1 answer

How to get ethereum contract public variables?

Oct 17, 2018 in Blockchain by sabby
 • 4,370 points • 2,009 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 • 5,212 views
0 votes
1 answer

sellprice and buyprice fixing in smart contract.

Oct 17, 2018 in Blockchain by sabby
 • 4,370 points • 629 views
0 votes
1 answer

Integrating web3 in cloud functions module

Oct 17, 2018 in Blockchain by sabby
 • 4,370 points • 1,132 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 • 1,854 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 • 3,039 views
0 votes
1 answer

How to handle smart contract transaction express nodejs?

Oct 15, 2018 in Blockchain by digger
 • 26,740 points • 2,023 views
0 votes
1 answer

Ethereum nodejs: Unhandled rejection Error: Invalid JSON RPC response

Oct 15, 2018 in Blockchain by digger
 • 26,740 points • 2,492 views
0 votes
1 answer

Ethereum solidity: Unable to get value from another contract

Oct 15, 2018 in Blockchain by digger
 • 26,740 points • 1,705 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 • 1,683 views
0 votes
1 answer

Ethereum nodejs: Contract address returning as undefined in console

Oct 15, 2018 in Blockchain by slayer
 • 29,370 points • 1,918 views
0 votes
1 answer

How to save complex object in the contract in solidity

Oct 15, 2018 in Blockchain by slayer
 • 29,370 points • 3,614 views
0 votes
1 answer

UnhandledPromiseRejectionWarning: Insufficient funds error in Ethereum: NodeJS web3

Oct 15, 2018 in Blockchain by slayer
 • 29,370 points • 1,436 views
0 votes
1 answer

Solidity: logical AND outputs parser error

Oct 12, 2018 in Blockchain by sabby
 • 4,370 points • 1,737 views
0 votes
1 answer

How do Ethereum node compete for blocks?

Oct 12, 2018 in Blockchain by sabby
 • 4,370 points • 908 views
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