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Results tagged with solidity
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user 77139
Solidity is a contract-oriented, high-level language whose syntax is similar to that of JavaScript and it is designed for writing smart contracts in Ethereum to run on the EVM. Solidity is statically typed, supports inheritance, libraries and complex user-defined types among other features.
0
votes
1
answer
185
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Undeclared identifiers in child contract
I am inheriting a contract from the OZ 1155 contract:
https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC1155/ERC1155.sol
It contains a function _safeTransferFrom th …
- 333
0
votes
1
answer
1k
views
DeclarationError: Identifier not found or not unique although the contract exists
I have a contract that imports another contract that I have locally:
pragma solidity ^0.7.4;
import ". … Consider adding "pragma solidity ^0.7.4;"
project:/contracts/YieldToken.sol:5:24: DeclarationError: Identifier not found or not unique.
contract YieldToken is ERC1155Tradeable { …
- 333
0
votes
0
answers
815
views
Returned values aren't valid, did it run Out of Gas? when calling public variable from web3js
I have a public contract variable: uint public bidEnd, and I'm getting its value using web3js like so:
new web3.eth.Contract(json, address).methods.bidEnd().call(function(err, res){
console.log("e …
- 333
0
votes
1
answer
47
views
How to scale nft receive addresses?
ERC 1155 has a function called _mint:
https://docs.openzeppelin.com/contracts/3.x/api/token/erc1155#ERC1155-_mint-address-uint256-uint256-bytes-
_mint(address account, uint256 id, uint256 amount, byte …
- 333
1
vote
1
answer
806
views
ParserError: Expected primary expression. when using payable
I have the following code:
function payout() public payable {
uint ordersLength = orders.length;
uint totalRaised = 0;
for (uint i = 0; i < ordersLength; i++) { …
- 333
6
votes
1
answer
15k
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'Error: invalid arrayify value (argument="value", value="", code=INVALID_ARGUMENT, version=b...
I have the following solidity function that I'm calling from truffle:
function safeTransferFrom(
address from,
address to,
uint256 id,
uint256 amount,
bytes …
- 333