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solidity

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21 Questions

Votes Activity Newest Views

votes

answers

24k

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

votes

answer

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 41

votes

answer

260

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 47.6k

votes

answers

views

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

ipfs bug

May 24 '20 at 1:50 morteza 1

votes

answers

views

Struct getter and Setter using inline assembly in solidity

solidity assembly

May 22 at 8:06 CryptoScroller 585

votes

answer

755

views

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

solidity truffle truffle-contract struct truffle-compile

Mar 18 at 4:06 CommunityBot 1

vote

answers

320

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 585

vote

answer

226

views

how to get input of time in solidity?

solidity timers datetime timelock

Jan 21 '19 at 19:40 Lauri Peltonen 20k

vote

answer

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_ 9,930

votes

answer

164

views

How Proof-Of-Learning can be implemented?

consensus experimental-features machine-learning

Aug 7 at 7:02 CommunityBot 1

votes

answer

112

views

What is the work of self destruct in a contract?

attacks solidity

Aug 5 at 11:08 CommunityBot 1

votes

answer

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 47.6k

votes

answer

120

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 1,043

votes

answer

views

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

truffle truffle-test

Feb 28 '19 at 11:17 eth♦ 73.3k

votes

answer

457

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 25.1k

votes

answer

267

views

How to interact with events from a smart contract?

solidity tokens events ethereumjs logs

Jan 23 '19 at 1:03 AnAllergyToAnalogy 3,015

votes

answers

views

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

solidity contract-development evm

Jan 22 '19 at 17:30 CryptoScroller 585

votes

answers

107

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 585

votes

answers

views

Where should we actually need to set the token price?

solidity erc-20

Jan 19 '19 at 22:38 CryptoScroller 585

votes

answer

456

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 630

votes

answers

193

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 47.6k

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21 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

Struct getter and Setter using inline assembly in solidity

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

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

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?

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?