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Results tagged with uint256
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user 16043
2
votes
Accepted
Ethers.js invalid number value while deploying contract
const tokenWeiPrice = (answers.priceEur / ethEur) * Math.pow(10, 18);
Problem #1: 10 ^ 18 > Number.MAX_SAFE_INTEGER
Problem #2: tokenWeiPrice is not necessarily an integer.
You should use BigNu …
- 26.2k
1
vote
Accepted
Error: invalid type (arg="type", value="a") web3.js
Change this:
"internalType":"address"
And this:
"internalType":"uint256"
To this:
"name":""
UPDATE:
It also seems that you have two balanceOf functions in your ABI, god knows why (maybe an … answer above, just use this one:
{
"constant" : true,
"inputs" : [{"name":"","type":"address"}],
"name" : "balanceOf",
"outputs" : [{"name":"","type":"uint256 …
- 26.2k
8
votes
Accepted
Can solidity have negative numbers?
The answer to your question is Yes:
Solidity supports int types, which are treated arithmetically as signed values (i.e., can be positive, negative and zero).
The answer to your concern is No:
Si …
- 26.2k