Questions tagged [proxy-contracts]
Contracts creating a transaction or call on behalf of another account
11 questions
3
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2
answers
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How do Proxy Upgraded Logic Contracts Share Data
I have been looking at how to make my contracts upgradeable and looking through the Zeppelin docs and source code to try to wrap my head around this.
One thing I cannot work out is:
How do new logic ...
- 133
9
votes
2
answers
1k
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eip-1967 address calculation
I have read EIP-1967 and i have study how work proxy contracts.
There is something i do not understand in EIP-1967.
Here is what i have understood:
Logic contract's storage variables are stored in ...
- 1,507
9
votes
2
answers
1k
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Using a high level delegate call in upgradable contracts since Byzantium
Since Byzantium we can implement upgradable proxy contracts much easier with the use of returndatacopy and returndatasize assembly instructions. This means we no longer have to register return types ...
- 1,658
2
votes
1
answer
715
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Struct on delegatecall
Is it possible to pass a struct as an argument to delegatecall ?
I have this function that calls delegatecall and takes a struct (a 0x quote) as an argument which is later used on the function ...
- 948
2
votes
0
answers
165
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How i can calculate deterministic address from contract clone (create2) [duplicate]
Is there any way to calculate the deterministic address of a contract cloned by a Factory through create2?
I have this contract Factory
contract ForwarderFactory {
function cloneForwarder(address ...
2
votes
1
answer
10k
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getting error nonce too low , but nonce is proper stuck since one day
I am working with web3.js since sometime now , but now i am stuck with nonce too low error , the nonce is proper also i have checked private key and other addresses , they also seem to proper , ...
- 45
1
vote
1
answer
615
views
Automatically getting implementation contract for eip 1967 proxy
Let's say I wanted to write code which looks at a smart contract, detects whether it is an upgradeable proxy, and then fetches the contract address.
Something like so:
const functionNames = abi.map((...
- 103
1
vote
2
answers
2k
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Fastest way to find the function in a contract from it's selector?
Let's say I have a function selector:
0xa9059cbb
And I have a contract as such:
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;
contract CallAnything {
function balanceOf(address ...
- 12.4k
1
vote
1
answer
1k
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Easiest way to call an implementation function from a proxy contract in Remix
I have the following code in my remix.ethereum.org project:
pragma solidity ^0.6.10;
// SPDX-License-Identifier: Unlicensed
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/...
- 663
0
votes
1
answer
969
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Verifying Proxy contracts on EtherScan
How one can verify a proxy contract, like OpenZeppelin Upgrade Proxy, on EtherScan?
- 23k
0
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1
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880
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New initializable function in new implementation for a proxy contract
I am working on using Proxy contracts in solidity 0.4.24, I have deployed the logic contract and the proxy contract as well using the address of logic contract as the implementation contract address.
...
- 305