Recent questions tagged ethereum

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How do display all the events logs from a smart contract?

Oct 3, 2018 in Blockchain by slayer
 • 29,310 points • 2,498 views
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How do I initialize an array in a struct

Oct 1, 2018 in Blockchain by sabby
 • 4,380 points • 1,527 views
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2 answers

Modifiers in solidity

Oct 1, 2018 in Blockchain by digger
 • 26,720 points • 998 views
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1 answer

How to make Observable from callback?

Oct 1, 2018 in Blockchain by slayer
 • 29,310 points • 1,763 views
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1 answer

Send all Tokens and Eth to a Address automatically

Oct 1, 2018 in Blockchain by slayer
 • 29,310 points • 3,217 views
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1 answer

Solidity mocha : address is not a contract error

Oct 1, 2018 in Blockchain by slayer
 • 29,310 points • 411 views
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1 answer

Invalid method parameters for eth_sendTransaction

Sep 28, 2018 in Blockchain by slayer
 • 29,310 points • 700 views
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1 answer

How to run Meteor insert within a Fiber?

Sep 28, 2018 in Blockchain by digger
 • 26,720 points • 396 views
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1 answer

Etheruem: Pyethereum Error

Sep 28, 2018 in Blockchain by slayer
 • 29,310 points • 118 views
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1 answer

Uncaught ReferenceError: web3 is not defined at window.onload

Sep 28, 2018 in Blockchain by digger
 • 26,720 points • 1,598 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
 • 29,310 points • 166 views
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1 answer

Can't call contract function in truffle console

Sep 28, 2018 in Blockchain by digger
 • 26,720 points • 2,284 views
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1 answer

Why estimateGas always returns null or zero?

Sep 28, 2018 in Blockchain by slayer
 • 29,310 points • 611 views
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1 answer

ethereum eth_sendTransaction via PHP curl

Sep 27, 2018 in Blockchain by digger
 • 26,720 points • 3,238 views
+1 vote
3 answers

Pass parameter as bytes32 to Solidity Smart Contract

Sep 27, 2018 in Blockchain by slayer
 • 29,310 points • 6,661 views
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1 answer

How to achieve simple OOP in Solidity?

Sep 27, 2018 in Blockchain by digger
 • 26,720 points • 295 views
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1 answer

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

Sep 27, 2018 in Blockchain by slayer
 • 29,310 points • 1,641 views
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1 answer

NPM cannot install “truffle” on Windows

Sep 27, 2018 in Blockchain by digger
 • 26,720 points • 3,285 views
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3 answers

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

Sep 27, 2018 in Blockchain by slayer
 • 29,310 points • 774 views
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Can't install pyethereum module

Sep 27, 2018 in Blockchain by digger
 • 26,720 points • 386 views
0 votes
1 answer

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

Sep 27, 2018 in Blockchain by slayer
 • 29,310 points • 885 views
+1 vote
1 answer

Deploy contract using solcjs

Sep 26, 2018 in Blockchain by digger
 • 26,720 points • 472 views
+1 vote
1 answer

Calling deployed smart contract from node.js

Sep 26, 2018 in Blockchain by slayer
 • 29,310 points • 3,198 views
+1 vote
1 answer

Solidity: Sending ERC20 Tokens

Sep 26, 2018 in Blockchain by digger
 • 26,720 points • 1,136 views
0 votes
1 answer

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

Sep 26, 2018 in Blockchain by slayer
 • 29,310 points • 736 views
0 votes
1 answer

How connect library to smart contract from external resources?

Sep 26, 2018 in Blockchain by slayer
 • 29,310 points • 247 views
0 votes
1 answer

Testrpc Error: listen EADDRINUSE :::8545 on Mac

Sep 26, 2018 in Blockchain by slayer
 • 29,310 points • 478 views
0 votes
1 answer

Nethereum C# Unit Test GetTransactionCount

Sep 26, 2018 in Blockchain by digger
 • 26,720 points • 720 views
0 votes
1 answer

Cannot access web3 object with typescript and ethereum

Sep 25, 2018 in Blockchain by digger
 • 26,720 points • 1,909 views
0 votes
1 answer

Poloniex C# API - get trades

Sep 25, 2018 in Blockchain by slayer
 • 29,310 points • 734 views
0 votes
1 answer

How to set token price in solidity?

Sep 25, 2018 in Blockchain by digger
 • 26,720 points • 6,006 views
0 votes
1 answer

eth.getTransactionReceipt returns null

Sep 25, 2018 in Blockchain by digger
 • 26,720 points • 1,303 views
0 votes
1 answer

Not able send ether to my smart contract's address

Sep 25, 2018 in Blockchain by digger
 • 26,720 points • 866 views
0 votes
1 answer

Getting the length of public array variable (getter)

Sep 24, 2018 in Blockchain by slayer
 • 29,310 points • 758 views
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