User Paul Razvan Berg

1

7

votes

4

answers

2k

views

What is the difference between web3.js and ethers.js?

web3js ethers.js

Apr 17 at 0:17 Paul Razvan Berg 4,321

4

7

votes

4

answers

351

views

Is it possible to batch approve + transfer with CREATE2?

Feb 19 at 4:33 cryptomaniac 1

7

votes

1

answer

179

views

Is the ABI required to call a contract with ethers.js?

contract-invocation abi ethers.js

Dec 26 at 7:12 eth♦ 66.5k

1

6

votes

1

answer

88

views

ELI5 what are erasure codes?

sharding erasure-codes

Jun 20 '19 at 14:42 eth♦ 66.5k

1

5

votes

1

answer

91

views

What fixed or float point math libraries are available in solidity?

solidity floating-point

May 28 at 12:55 Paul Razvan Berg 4,321

5

votes

1

answer

65

views

Why is the subcall gas limit set to 63/64th of the remaining gas?

security call-depth-attacks stack

Sep 25 at 6:54 k06a 1,168

4

votes

2

answers

92

views

Graph traversals on Ethereum, at scale

solidity contract-design design-patterns graphs

Jun 14 at 20:16 Alberto Cuesta Cañada 21

1

4

votes

1

answer

136

views

What are function signatures in ABIv2 and how do they enhance Ethereum?

abi encoding

Nov 26 at 0:25 Paul Razvan Berg 4,321

4

votes

0

answers

180

views

`eth_getTransactionReceipt` returns the transaction hash not the receipt

testing ganache truffle-test receipts ganache-cli

Sep 4 '19 at 17:38 Paul Razvan Berg 4,321

1

4

votes

1

answer

276

views

What is SMTChecker used for in Solidity?

contract-development smtchecker formal-verification

Sep 1 '19 at 15:27 Ismael 21.4k

1

4

votes

2

answers

128

views

Understanding the formal description of a transaction and its associated refunds

yellow-paper selfdestruct receipts gas-refund

Jan 6 '19 at 14:43 Paul Razvan Berg 4,321

4

votes

1

answer

47

views

Does function order also matter when writing upgradeable smart contracts?

upgrading openzeppelin-sdk contract-upgrading

Nov 20 '18 at 7:21 Paul Razvan Berg 4,321

3

votes

1

answer

79

views

What are remappings and how do they work in solidity?

contract-development solc import

Sep 2 '19 at 12:20 Paul Razvan Berg 4,321

3

votes

1

answer

76

views

What exactly does the “m” function in the formal Bloom filter specifications do?

yellow-paper bloom-filter

Jun 4 '19 at 10:21 HSKim 3

3

votes

1

answer

46

views

How is The Graph a decentralised solution?

contract-design events storage data-feeds

May 4 '19 at 21:06 Rob Hitchens 39.9k

2

3

votes

1

answer

125

views

ELI5 what are VDFs and why are they important for Serenity?

serenity

Jan 5 '19 at 11:59 Paul Razvan Berg 4,321

3

votes

1

answer

328

views

Can't send data to non-contract address using web3 1.0.0 and ganache

web3js ether ganache ethereumjs-tx

Jul 29 '18 at 14:42 Paul Razvan Berg 4,321

2

votes

1

answer

24

views

Does Vyper have an equivalent CHAINID assembly function?

contract-development vyper

Jun 14 at 10:17 iamdefinitelyahuman 1,653

2

votes

0

answers

42

views

SPDX license when importing other people's contracts

solidity contract-design contract-deployment spdx

Jun 12 at 16:58 Paul Razvan Berg 4,321

2

votes

1

answer

31

views

Is “type” a reserved keyword in Solidity?

solidity solidity-0.6.x

Jun 10 at 22:14 Shane Fontaine 6,334

2

votes

0

answers

25

views

Are there well-solved patterns and practices for handling errors in Solidity?

solidity contract-development contract-design error

Jun 10 at 21:29 Paul Razvan Berg 4,321

2

votes

1

answer

86

views

How to trace the line where a tx failed in truffle tests?

truffle contract-debugging truffle-test

Jun 8 at 17:03 Community♦ 1

2

votes

1

answer

26

views

How to import the Contract type from the web3.js library?

web3js frontend typescript

May 30 at 11:42 Paul Razvan Berg 4,321

2

votes

1

answer

39

views

How to properly define an interface in Solidity 0.6?

solidity interfaces solidity-0.6.x

May 26 at 15:42 Paul Razvan Berg 4,321

2

votes

0

answers

18

views

Where does the line blur between a task and a script in Buidler?

buidler

May 24 at 21:35 Paul Razvan Berg 4,321

2

votes

1

answer

45

views

Truffle: how to override compiler settings via the CLI?

truffle coverage

Apr 10 at 0:02 Community♦ 1

1

2

votes

2

answers

126

views

Why is 2048 the mining difficulty bound divisor?

mining yellow-paper difficulty

Apr 3 at 13:49 Mikhail Vladimirov 4,814

2

votes

2

answers

140

views

What big number library does ethers.js use?

bignumber ethers.js

Nov 28 at 20:03 RicMoo 314

1

2

votes

1

answer

102

views

Best practices on handling both ether (Ξ) and tokens

contract-design tokens erc-20 dapp-development

Oct 31 at 9:05 Paul Razvan Berg 4,321

1

2

votes

2

answers

56

views

Can you selfdestruct a contract more than once?

solidity selfdestruct

Sep 22 at 9:56 Paul Razvan Berg 4,321

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95 Questions

What is the difference between web3.js and ethers.js?

Is it possible to batch approve + transfer with CREATE2?

Is the ABI required to call a contract with ethers.js?

ELI5 what are erasure codes?

What fixed or float point math libraries are available in solidity?

Why is the subcall gas limit set to 63/64th of the remaining gas?

Graph traversals on Ethereum, at scale

What are function signatures in ABIv2 and how do they enhance Ethereum?

`eth_getTransactionReceipt` returns the transaction hash not the receipt

What is SMTChecker used for in Solidity?

Understanding the formal description of a transaction and its associated refunds

Does function order also matter when writing upgradeable smart contracts?

What are remappings and how do they work in solidity?

What exactly does the “m” function in the formal Bloom filter specifications do?

How is The Graph a decentralised solution?

ELI5 what are VDFs and why are they important for Serenity?

Can't send data to non-contract address using web3 1.0.0 and ganache

Does Vyper have an equivalent CHAINID assembly function?

SPDX license when importing other people's contracts

Is “type” a reserved keyword in Solidity?

Are there well-solved patterns and practices for handling errors in Solidity?

How to trace the line where a tx failed in truffle tests?

How to import the Contract type from the web3.js library?

How to properly define an interface in Solidity 0.6?

Where does the line blur between a task and a script in Buidler?

Truffle: how to override compiler settings via the CLI?

Why is 2048 the mining difficulty bound divisor?

What big number library does ethers.js use?

Best practices on handling both ether (Ξ) and tokens

Can you selfdestruct a contract more than once?