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Results tagged with truffle
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user 24976
Questions regarding the implementation and use of the Truffle development and testing environment.
3
votes
4
answers
4k
views
Return a struct from a mapping in test truffle
How I have to call to the mapping in truffle? Because I´ve tried several ways in order to achieve that but without success. This is urgent... …
- 309
1
vote
2
answers
1k
views
How to represent the complete big number (all e)
When I convert a variable using the functions toNumber() or toString() I obtain this result: x.toNumber()
1e+27
But I want to see the entire number with all the figures. Because If I don´t convert …
- 309
3
votes
2
answers
2k
views
instance.balanceOf(...).call is not a function
I have ERC20 standard token functions in my code...I´m trying to test the function balanceOf(address _owner) with a javascript test on truffle but I have the following problem:
TypeError: ovxet.balanceOf …
- 309
0
votes
1
answer
832
views
How put address (from ganache-cli client) as a parameters in constructor
Always, when I try to send parameters for the constructor function I use a migration file and where I´m trying to deploy the contract, add the parameters...Something like that:
var OVXET = artifacts. …
- 309
5
votes
3
answers
14k
views
TypeError: Expression has to be an lvalue. But before the code was working perfectly!
I am USING TRUFFLE with VSC. …
- 309
0
votes
2
answers
852
views
How can I implement rational operations in Solidity? [duplicate]
First, I know that fixed point integers are coming...but I really need to know how to accomplish a simple operation who return a rational number.
For example, get 2% of 350 is easy implementing: 350 …
- 309
6
votes
2
answers
4k
views
Return a mapping in Truffle test
So, I´m trying to call directly from the myTest.js (truffle) but return me an error:
TypeError: Cannot read property 'call' of undefined
at Context.it (test/ovxet2.js:13:50)
at <anonymous>
at process … So, can truffle returns mappings? Or I have to create my own getter function in the contract (for testing purposes) and then call that function from the test? …
- 309