solidity

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Storage compatibility: Solidity upgradable smart contract using "proxy" design pattern and changing the mapping type
user_163396240
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2
1
606
solidity ethereum
Failing to compile multiple Solidity versions
user_122684510
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11
5
11610
hardhat solidity ethereum compiler-errors
why only inside of the for loop can I successfully find <li> or <span> tag under the <ul> with the getElementsByClassName method in JavaScript?
user_163204470
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2
1
69
truffle solidity javascript
How can I use different addresses to call functions in Hardhat tests and scripts?
user_147362710
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10
1
3613
ethers.js hardhat smartcontracts solidity ethereum
TypeError: "send" and "transfer" are only available for objects of type "address payable", not "address" admin.transfer(address(this).balance);
user_163093840
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4
1
3350
solidity
Chain Link VRF takes a long time to get random numbers
user_136618070
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2
1
1938
chainlink blockchain solidity ethereum
What is the use of Uniswap Router Initialization in a Token Contract
user_31618400
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2
1
2721
erc20 solidity ethereum
Solidity: Data location must be "memory" or "calldata" for return parameter in function
user_55610580
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7
3
5272
solidity ethereum
Error: Truffle is currently using solc 0.5.16, but one or more of your contracts specify “pragma solidity ^0.8.0”
user_159631550
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9
4
5383
truffle blockchain smartcontracts solidity ethereum
How to add MinterRole during Truffle deployment?
user_14950700
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2
0
113
truffle solidity javascript
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