Recent questions tagged ethereum

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1 answer

Ethereum client-go RPC response 403 “invalid host specified”

Oct 1, 2018 in Blockchain by digger
 • 26,740 points • 2,033 views
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1 answer

How to call function in one contract from another contract in private blockchain?

Oct 1, 2018 in Blockchain by slayer
 • 29,370 points • 893 views
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1 answer

web3.eth.sendSignedTransaction() always return “Returned error: nonce too low”

Oct 1, 2018 in Blockchain by digger
 • 26,740 points • 6,120 views
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1 answer

Solidity mocha : address is not a contract error

Oct 1, 2018 in Blockchain by slayer
 • 29,370 points • 1,132 views
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1 answer

Invalid method parameters for eth_sendTransaction

Sep 28, 2018 in Blockchain by slayer
 • 29,370 points • 1,924 views
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1 answer

How to run Meteor insert within a Fiber?

Sep 28, 2018 in Blockchain by digger
 • 26,740 points • 821 views
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1 answer

Etheruem: Pyethereum Error

Sep 28, 2018 in Blockchain by slayer
 • 29,370 points • 499 views
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1 answer

Uncaught ReferenceError: web3 is not defined at window.onload

Sep 28, 2018 in Blockchain by digger
 • 26,740 points • 2,429 views
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1 answer

How are the ethers sent to smart contract in the IBM example?

Sep 28, 2018 in Blockchain by slayer
 • 29,370 points • 604 views
0 votes
1 answer

Can't call contract function in truffle console

Sep 28, 2018 in Blockchain by digger
 • 26,740 points • 3,135 views
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1 answer

Why estimateGas always returns null or zero?

Sep 28, 2018 in Blockchain by slayer
 • 29,370 points • 1,327 views
0 votes
1 answer

ethereum eth_sendTransaction via PHP curl

Sep 27, 2018 in Blockchain by digger
 • 26,740 points • 5,013 views
+1 vote
3 answers

Pass parameter as bytes32 to Solidity Smart Contract

Sep 27, 2018 in Blockchain by slayer
 • 29,370 points • 9,828 views
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1 answer

How to achieve simple OOP in Solidity?

Sep 27, 2018 in Blockchain by digger
 • 26,740 points • 924 views
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1 answer

Truffle init: throw er; // Unhandled 'error' event

Sep 27, 2018 in Blockchain by slayer
 • 29,370 points • 2,546 views
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1 answer

NPM cannot install “truffle” on Windows

Sep 27, 2018 in Blockchain by digger
 • 26,740 points • 4,161 views
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3 answers

python ethereum (pyethapp): Failed building wheel for scrypt.

Sep 27, 2018 in Blockchain by slayer
 • 29,370 points • 1,686 views
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1 answer

Can't install pyethereum module

Sep 27, 2018 in Blockchain by digger
 • 26,740 points • 1,060 views
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1 answer

How do I compile a piece of Solidity Code using eris' javascript?

Sep 27, 2018 in Blockchain by slayer
 • 29,370 points • 899 views
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1 answer

Getting error during “truffle migrate” for an ethereum contract on testrpc

Sep 27, 2018 in Blockchain by digger
 • 26,740 points • 643 views
0 votes
1 answer

How do I send ether from an EOA to a smart contract?

Sep 27, 2018 in Blockchain by slayer
 • 29,370 points • 1,637 views
+1 vote
1 answer

Deploy contract using solcjs

Sep 26, 2018 in Blockchain by digger
 • 26,740 points • 1,078 views
+1 vote
1 answer

Calling deployed smart contract from node.js

Sep 26, 2018 in Blockchain by slayer
 • 29,370 points • 4,096 views
+1 vote
1 answer

Solidity: Sending ERC20 Tokens

Sep 26, 2018 in Blockchain by digger
 • 26,740 points • 1,585 views
0 votes
1 answer

Solidity: How can I return a list of user-defined function?

Sep 26, 2018 in Blockchain by slayer
 • 29,370 points • 1,415 views
0 votes
1 answer

How can I get the same return value as solidity `abi.encodePacked` in Golang?

Sep 26, 2018 in Blockchain by digger
 • 26,740 points • 4,307 views
0 votes
1 answer

How connect library to smart contract from external resources?

Sep 26, 2018 in Blockchain by slayer
 • 29,370 points • 628 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 • 1,753 views
0 votes
1 answer

Testrpc Error: listen EADDRINUSE :::8545 on Mac

Sep 26, 2018 in Blockchain by slayer
 • 29,370 points • 991 views
0 votes
1 answer

Nethereum C# Unit Test GetTransactionCount

Sep 26, 2018 in Blockchain by digger
 • 26,740 points • 1,420 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 • 2,606 views
0 votes
1 answer

Cannot access web3 object with typescript and ethereum

Sep 25, 2018 in Blockchain by digger
 • 26,740 points • 2,935 views
0 votes
1 answer

Poloniex C# API - get trades

Sep 25, 2018 in Blockchain by slayer
 • 29,370 points • 1,537 views
0 votes
1 answer

How to set token price in solidity?

Sep 25, 2018 in Blockchain by digger
 • 26,740 points • 8,847 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 • 2,267 views
0 votes
1 answer

eth.getTransactionReceipt returns null

Sep 25, 2018 in Blockchain by digger
 • 26,740 points • 2,171 views
0 votes
1 answer

Call contract methods with web3 from newly created account

Sep 25, 2018 in Blockchain by slayer
 • 29,370 points • 6,328 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 • 1,623 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 • 1,047 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 • 7,464 views
0 votes
1 answer

Getting the length of public array variable (getter)

Sep 24, 2018 in Blockchain by slayer
 • 29,370 points • 1,458 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 • 1,824 views
0 votes
1 answer

ethminer failed to submit hashrate

Sep 24, 2018 in Blockchain by slayer
 • 29,370 points • 900 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 • 2,797 views
0 votes
1 answer

Repeating transactions hangs - web3js, local geth

Sep 24, 2018 in Blockchain by slayer
 • 29,370 points • 1,075 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 • 4,416 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 • 1,720 views
0 votes
2 answers

Truffle migrate Error after run testrpc

Sep 24, 2018 in Blockchain by slayer
 • 29,370 points • 860 views
0 votes
1 answer

Not able to send Ethereum transaction

Sep 24, 2018 in Blockchain by digger
 • 26,740 points • 745 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 • 1,267 views
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