Questions tagged [storage-pointer]
The storage-pointer tag has no usage guidance.
7
questions with no upvoted or accepted answers
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answers
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Declaring a memory array of storage pointers in Solidity
I would like to declare a variable as a memory array of pointers to storage arrays of uint256.
For example:
pragma solidity ^0.4.24;
contract A
{
uint256[] public array0;
uint256[] public ...
- 10.5k
2
votes
0
answers
564
views
Copying strings and bytes from memory to storage via storage references
What's the proper way to copy a string (or bytes) from memory to storage? When copied directly into a state variable lvalue (or into a mapping), there's no problem, but when assigning a string memory ...
1
vote
1
answer
67
views
Unable to reach storage struct via mapping
Gm,
I've got a smart contract for 2D board game purposes. There is a struct Unit
struct Unit
{
UnitType unitType;
uint16 x;
uint16 y;
int8 hp;
int8 dmg;
...
- 31
1
vote
0
answers
488
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Retrieve Storage Variable Name given Storage Location and Contract Source
Is there any easy way to get the storage variable names provided you have the source code and the storage locations of the variables for a contract? For example, for the following contract I can use
...
1
vote
0
answers
176
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Mappings with (multiple) pointers to structs
I need to store some datasets as structs in mappings, that should be accessible via multiple keys. Obviously, I dont want to store the same dataset multiple times, so I want to have one copy in memory ...
- 214
0
votes
1
answer
47
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Changing storage ref to storage pointer
In the function registerUser below, I am trying to access a global array of structs, and seeing if the argument I have passed exists in the global array or not. The code is as follows:
user_details[] ...
0
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0
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119
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Do contract storage locations that map wallet address to balance change
Will the storage location of a wallet address' balance change over time?
If so, is it a problem largely associated with edge cases/unimportant tokens or is it a pervasive risk?
For some background: I'...
- 26