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Paul Razvan Berg

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truffle
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13/20 answers

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113 posts edited
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1,624 votes cast
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140 Questions

Votes Activity Newest Views
2
10
votes
4
answers
3k
views

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

web3js ethers.js
Feb 7 at 2:02 Kinji 21
4
9
votes
1
answer
522
views

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

solidity floating-point
1d ago Paul Razvan Berg 6,515
 
9
votes
1
answer
947
views

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

contract-invocation abi ethers.js
Mar 6 at 14:52 Paul Razvan Berg 6,515
5
7
votes
4
answers
1k
views

Is it possible to batch approve + transfer with CREATE2?

transactions erc-20 create2 erc-20-approve
Feb 19 '20 at 4:33 cryptomaniac 1
 
6
votes
1
answer
25
views

Does Solidity pre-compute the powers of two defined in the body of functions?

solidity contract-design gas optimization
Mar 27 at 10:41 Paul Razvan Berg 6,515
 
6
votes
2
answers
481
views

Is Chainlink's price reference data free to consume?

oracles chainlink
Mar 4 at 13:09 Patrick Collins 1,880
 
6
votes
1
answer
127
views

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

hardhat
Feb 12 at 20:31 Franco Victorio 484
1
6
votes
1
answer
282
views

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

abi encoding
Nov 26 '19 at 0:25 Paul Razvan Berg 6,515
1
6
votes
1
answer
101
views

ELI5 what are erasure codes?

sharding erasure-codes
Jun 20 '19 at 14:42 eth♦ 69.5k
2
5
votes
1
answer
446
views

Time-dependent tests with Hardhat?

ganache testing time hardhat
Jan 31 at 10:23 Paul Razvan Berg 6,515
 
5
votes
2
answers
146
views

Graph traversals on Ethereum, at scale

solidity contract-design design-patterns graphs
Jun 14 at 20:16 Alberto Cuesta Cañada 21
 
5
votes
1
answer
111
views

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

security call-depth-attacks stack
Sep 25 '19 at 6:54 k06a 1,458
1
5
votes
1
answer
537
views

What is SMTChecker used for in Solidity?

contract-development smtchecker formal-verification
Sep 1 '19 at 15:27 Ismael 25.5k
1
4
votes
1
answer
38
views

How to take the average of two uint256s without overflowing?

solidity overflow uint256 math
Mar 31 at 7:54 Paul Razvan Berg 6,515
1
4
votes
1
answer
132
views

How to get the zero address from ecrecover?

cryptography ecrecover
Oct 1 at 17:06 Paul Razvan Berg 6,515
 
4
votes
0
answers
306
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 6,515
1
4
votes
2
answers
251
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 6,515
 
4
votes
1
answer
48
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 6,515
 
3
votes
1
answer
263
views

SPDX license when importing other people's contracts

solidity contract-design etherscan contract-verification
Dec 9 at 10:17 Rosco Kalis 1,683
 
3
votes
1
answer
336
views

How does getDefaultProvider work in ethers.js?

etherscan infura web3-providers ethers.js
Dec 3 at 14:23 Rosco Kalis 1,683
 
3
votes
2
answers
34
views

Can I change the comments in a contract and still pass Etherscan verification?

contract-deployment etherscan contract-verification
Dec 3 at 13:54 Rosco Kalis 1,683
2
3
votes
1
answer
3k
views

What is DSProxy and how does it work?

contract-development contract-design smart-contract-wallets dsproxy
Nov 20 at 10:46 eth♦ 69.5k
 
3
votes
1
answer
125
views

What is the value of “address(this)” when delegate calling?

solidity delegatecall proxy-contracts
Nov 16 at 14:45 Paul Razvan Berg 6,515
1
3
votes
2
answers
201
views

Do unused structs affect the bytecode?

solidity contract-development
Nov 4 at 7:29 Paul Razvan Berg 6,515
 
3
votes
1
answer
148
views

Can the block number be set back in ganache?

testing ganache blocks timestamp time
Sep 19 '19 at 17:18 Shane Fontaine 9,045
 
3
votes
1
answer
157
views

What are remappings and how do they work in solidity?

contract-development solc import
Sep 2 '19 at 12:20 Paul Razvan Berg 6,515
 
3
votes
1
answer
87
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
55
views

How is The Graph a decentralised solution?

contract-design events storage data-feeds
May 4 '19 at 21:06 Rob Hitchens 44.2k
2
3
votes
1
answer
140
views

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

serenity
Jan 5 '19 at 11:59 Paul Razvan Berg 6,515
 
3
votes
1
answer
735
views

How to initialise a mapping of a struct inside a function?

solidity mapping struct
Nov 10 '18 at 14:16 Paul Razvan Berg 6,515
1
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