User CryptoScroller

4

18

votes

3

answers

19k

views

TypeError: Data location must be “storage” or “memory” for parameter in function, but none was given

Dec 17 at 13:56 Dilkhush Kumar 3

1

4

votes

1

answer

3k

views

Invalid type for argument in function call. Invalid implicit conversion from address to address payable requested

solidity payable selfdestruct

Nov 21 '19 at 15:29 Etienne 11

3

votes

1

answer

67

views

How to make Solidity Contracts Upgradable with a mapping and state variables?

solidity upgrading proxy-contracts contract-upgrading

Mar 6 at 22:43 Rob Hitchens 44.7k

3

votes

2

answers

2k

views

IPFS gateway not getting my files , Keeps on loading without any errors

ipfs bug

May 24 '20 at 1:50 morteza 1

2

votes

1

answer

630

views

UnimplementedFeatureError: Encoding type “struct BiddingContract.Bidder memory” not yet implemented

solidity truffle truffle-contract struct truffle-compile

Mar 18 at 4:06 Community♦ 1

1

vote

1

answer

138

views

how to get input of time in solidity?

solidity timers datetime timelock

Jan 21 '19 at 19:40 Lauri Peltonen 16.3k

1

vote

1

answer

24

views

Is it allowed to used modifiers in mandatory functions of any token standards that I wish to implement?

solidity erc-20

Jan 18 '19 at 14:13 natewelch_ 9,530

0

votes

1

answer

108

views

How Proof-Of-Learning can be implemented?

consensus experimental-features machine-learning

Apr 4 at 14:02 Community♦ 1

0

votes

1

answer

102

views

What is the work of self destruct in a contract?

attacks solidity

Apr 4 at 4:03 Community♦ 1

0

votes

0

answers

81

views

Failed to decode output: Error: data out-of-bounds (length=0, offset=32, code=BUFFER_OVERRUN, version=abi/5.0.7)

upgrading proxy-contracts contract-upgrading dsproxy

Mar 6 at 23:16 CryptoScroller 525

0

votes

1

answer

27

views

Can block validation be done using machine Learning Algorithms?

evm consensus sidechain consensus-by-block machine-learning

Oct 16 '19 at 5:47 Rob Hitchens 44.7k

0

votes

1

answer

99

views

How a consensus algorithm is implemented in a private Blockchain network ( ethereum )? [closed]

consensus clique mastering-ethereum geth-clique

Oct 16 '19 at 5:16 Mahesh Rajput 936

0

votes

1

answer

62

views

What are the best Practices for writing truffle Tests for a Smart Contract ?

truffle truffle-test

Feb 28 '19 at 11:17 eth♦ 70k

0

votes

1

answer

450

views

How can I send ethers from my smart contract to another address using transfer?

solidity address.transfer wallet-transfer sendrawtransaction

Jan 26 '19 at 0:26 user19510 24k

0

votes

1

answer

207

views

How to interact with events from a smart contract?

solidity tokens events ethereumjs logs

Jan 23 '19 at 1:03 AnAllergyToAnalogy 2,815

0

votes

0

answers

36

views

How to call a function automatically when some condition gets false?

solidity contract-development evm

Jan 22 '19 at 17:30 CryptoScroller 525

0

votes

0

answers

97

views

How to use a transfer function from an EOA holding a token to a contract address?

solidity erc-20

Jan 21 '19 at 23:00 CryptoScroller 525

0

votes

0

answers

25

views

Where should we actually need to set the token price?

solidity erc-20

Jan 19 '19 at 22:38 CryptoScroller 525

0

votes

1

answer

346

views

What is meant by Routine escrow mechanism in buying and selling process within a decentralized platform? [closed]

decentralization

Dec 10 '18 at 12:44 Vinnie James 620

0

votes

3

answers

183

views

Is There any way to check if the entered key is having a corresponding value in a mapping or not?

solidity storage arrays mapping

Nov 30 '18 at 23:30 Rob Hitchens 44.7k

Stack Exchange Network

current community

your communities

more stack exchange communities

Next badge

20 Questions

TypeError: Data location must be “storage” or “memory” for parameter in function, but none was given

Invalid type for argument in function call. Invalid implicit conversion from address to address payable requested

How to make Solidity Contracts Upgradable with a mapping and state variables?

IPFS gateway not getting my files , Keeps on loading without any errors

UnimplementedFeatureError: Encoding type “struct BiddingContract.Bidder memory” not yet implemented

how to get input of time in solidity?

Is it allowed to used modifiers in mandatory functions of any token standards that I wish to implement?

How Proof-Of-Learning can be implemented?

What is the work of self destruct in a contract?

Failed to decode output: Error: data out-of-bounds (length=0, offset=32, code=BUFFER_OVERRUN, version=abi/5.0.7)

Can block validation be done using machine Learning Algorithms?

How a consensus algorithm is implemented in a private Blockchain network ( ethereum )? [closed]

What are the best Practices for writing truffle Tests for a Smart Contract ?

How can I send ethers from my smart contract to another address using transfer?

How to interact with events from a smart contract?

How to call a function automatically when some condition gets false?

How to use a transfer function from an EOA holding a token to a contract address?

Where should we actually need to set the token price?

What is meant by Routine escrow mechanism in buying and selling process within a decentralized platform? [closed]

Is There any way to check if the entered key is having a corresponding value in a mapping or not?