Questions tagged [smart-contract-wallets]
The smart-contract-wallets tag has no usage guidance.
519
questions
0
votes
0
answers
5
views
Im trying to build a cryptocurrency(USD tether just like USD) that works with ethereum and polygon,
I happen to be relatively new to block chain, have an understanding of PoW and PoS, I'm learning Solidity at the moment, I'm supposed to design thi cryptocurrency that is compatible with ethereum and ...
- 1
0
votes
1
answer
12
views
What will happened to my WETH TOKEN if the receiver or the network didn't support WETH TOKEN
I send WRAPPED ETH to a wallet/network which is COINS PH WALLET that has supported ETH ADDRESS, i thought WETH and ETH are the same? Now my problem is how can i possible retrieve my TOKEN?
- 1
0
votes
0
answers
8
views
UNKNWON TRANSACTION TO MY WALLET
[
- 1
0
votes
1
answer
18
views
Consolidate multiple Ethereum accounts
I have multiple Ethereum accounts with pretty small amount of Ether, like equivalent of $20…$50
Is it possible to consolidate all wallets and/or transfer the all coins to a single wallet in Ethereum ...
- 1
0
votes
0
answers
8
views
NTF Holding Contract [closed]
NTF-Foundation.top They took my USDA with a contract I did not sign. They want me to pay back the loan to unlock my funds. Are they legit or a scam
- 1
0
votes
0
answers
18
views
Kill a smart contract where my funds are currently stuck inside
I am the owner of the contract however I didnt write it but have some funds stuck inside, when i try to withdraw or run the contract the remix IDE tells me that "Gas estimation errored with the ...
- 1
0
votes
1
answer
31
views
I want to call a contract method using my safe wallet address
I made a safe wallet in my panel safe wallet which is 2/3 signers. I want to use it in my access control for an admin role and use it for calling a transfer method with it only. The problem is when I ...
- 15
0
votes
0
answers
27
views
fallen for a scam with fake ether can i recover from this smartcontract? [duplicate]
a friend got called and told that in order to receive his available funds he had to send 5.57 eth to a new wallet of his own on atomic wallet and he would receive 30 ether, he thought it was a scam ...
0
votes
2
answers
18
views
I am new to smart contracts and I am withdrawing amounts in several lots.My question is do I have to complete before bank transfer
After each transfer.It goes to a wallet address but where I want it go.Does smart contracts hold onto it ,until all withdrawals are complete.
0
votes
0
answers
23
views
Token holdings I need help with the contract im the owner of both wallets the send and receiver
I sent my tokens to another wallet that I own and somehow a contract intercepted it and my tokens are in holding. I believe I can get them back it’s just really confusing to r we the contact and I don’...
- 1
0
votes
0
answers
13
views
Need help with debugging Error: Definition of base has to precede definition of derived contract
I'm working on a social account recovery feature for smart accounts (ERC-4337) on top of Thirdweb's smart account contract.
Link to the codebase
I'm getting the error Base has to precede definition of ...
2
votes
1
answer
46
views
Is it possible to create a paymaster that use ethers in smart contract wallet as gas payment
In the context of ERC-4337/account abstraction, we know that paymasters are able to sponsor a UserOperation from a smart contract wallet, we can even allow the use of an ERC20 token in a smart ...
- 21
0
votes
1
answer
26
views
Send Function is not working in test file using ethers.js
I write a wallet smart contract in which one address can send ethers to other addresses. I'm using the HardHat framework and this package. when i use await addr1.sendTransaction( {to: addr2, value: ...
1
vote
0
answers
24
views
How to Sign a Safe Transaction with an Other Safe
I have a Safe "P" which is owned by another Safe "O". How do I send a transaction to Safe "O" with instructions to add my EOA as an owner to Safe "P" so I can ...
- 38
0
votes
2
answers
23
views
Web3 Schema Update
I understand that web3 smart contracts are decentralised and the code once written cannot be updated. They are immutable. Imagine my app stores user profile in a smart contract. It has name in it for ...
0
votes
0
answers
50
views
Withdrawing from already deployed smart contract [duplicate]
First, I am sorry to say I have no knowledge in crypto nor coding, and in need of your help.
I have followed steps on this YouTube video:
https://www.youtube.com/watch?v=Vhkb9G2SyVw&ab_channel=...
- 1
0
votes
2
answers
43
views
Help needed: ERC20 token "BIGTIME" sent to ERC20 smart contract that accepts USDC, BTC, ETH, MANA
Recently there was a launch of a token called "BIGTIME" (ERC20) from Bigtime Studios (web3 game) listed on a DEX, which I bought tokens from and transferred to the games smart contract to be ...
0
votes
1
answer
35
views
How do I add my address to a deployed contract public address using a security exploit? (coding challenge)
I'm working on a coding challenge for smart contract security exploits. I need to add my address to public address (browerr) in the contract. Do I need to create another contract that inherits the ...
- 1
0
votes
1
answer
41
views
I want to pay gas fee from contract, Is it possible? [duplicate]
// here is my contract
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
...
- 11
1
vote
0
answers
33
views
How does Gelato's Relay service work? How is it possible for another wallet to send my signed transaction (matching sender address) and pay gas?
How does Gelato's Relay service (used by gnosis safe relayer) work? How is it possible for another wallet to send my signed transaction (matching sender address) and pay gas? Does it require Gnosis to ...
- 269
0
votes
2
answers
23
views
Why there are few transaction before the Contract Creation txn?
Does anyone know in this smart contract (see screenshot below) why there are few transaction before the smart contract creation txn?
It seem like this smart contract was previously a normal EVM wallet ...
- 1
0
votes
0
answers
13
views
How to Implement User Account Switching in a Mobile DApp without Hardcod Wallet Private Keys?
I'm currently developing a mobile decentralized application (DApp) and I've had to hardcode the private key of the wallet to sign transactions. However, I'm facing a challenge when it comes to ...
0
votes
0
answers
7
views
Would this library be interesting to dApp developers for in-browser wallet?
I'm with INTMAX, developing webmax.js, a JS library for quick dApp integration with our in-browser web3 wallet that's secure, uses biometric authentication, & supports EVM-compatible / Layer 2 ...
- 1
0
votes
1
answer
20
views
Triggering User Defined Jobs On-Chain
I have been working on this dapp lately that allow users to create a product with an expiration date (don't mind the specifics of the app).
Once expired, a call to a smart contract should be made (...
- 1
0
votes
1
answer
29
views
Create a digital signature hash via Gnosis/Safe Multisig Wallet
I have a multisig wallet setup at https://safe.global/. I need to prepare a TX which calls a contract, and one of the parameters of the function I am calling needs a digital signature of the (tightly ...
- 143
1
vote
1
answer
33
views
How the smart wallets handles transactions that are only allowed for EOA?
If after ERC-4337 the wallet is going to be a smart contract, how will it send transactions to smart contracts which only allow to have transactions with EOA?
- 26
1
vote
1
answer
101
views
Unable to connect to Testnet Sepolia
Command:
npx hardhat --network sepolia run scripts/deploy.js
Getting error messages:
* Invalid account: #0 for network: sepolia - private key too long, expected 32 bytes
* Invalid value undefined ...
- 15
0
votes
0
answers
66
views
I purchased 60k shibarium tokens 8/19. 8/20 the value dropped 700% and contract address changed. What do I do?
I purchased Shabarium Tokens on 8/19/23. On 8/20/23 the contract address changed and the asset value under the old address dropped 700%. What do I do?
1
vote
1
answer
44
views
transactionContract.addtoblockchain is not a function
Calling a specific function from smart contract through react jsx file , console is giving me error "transactionContract.addtoblockchain is not a function", even the function is present in ...
0
votes
1
answer
42
views
Front Running scam [duplicate]
Guys thats the code is there not a way to withdraw or do something to the funds that are stuck on the address. I used remix ethereum website
pragma solidity ^0.6.6;
// Import Libraries Migrator/...
1
vote
2
answers
224
views
Copy-pasting Ethereum address will give a wrong address
I am not getting the solution like if try to copy the address of any wallet or any smart contract it will copy perfectly but when i will paste it somewhere else the address that i copied will be ...
- 11
0
votes
1
answer
92
views
Help - MEV Contract [duplicate]
I created an deployed a MEV bot via remix.re — after deploying the contract — I noticed the internal transaction sent to an unknown address.
Any help on seeing what happened here??
My Contract Address
...
- 1
0
votes
2
answers
321
views
Warning! Error encountered during contract execution [invalid opcode: PUSH0
While deploying my smart contract, I keep getting this error:
Warning! Error encountered during contract execution [invalid opcode: PUSH0
import solcx
solcx.install_solc('0.6.0')
from solcx import ...
- 1
0
votes
0
answers
18
views
Get back the funds I send to avax smart contract that I made
can somebody help me with this contract I made?
I put in 15.99 avax to this smart contract I made for the 1st time in my life. It was with this code that I didn't made:
https://ipfs.io/ipfs/...
1
vote
1
answer
240
views
Getting proxy contract instead of the Contract I deployed using Ethers v6
I am trying to get the Contract I deployed so that I can use the Functions in order to implement the functions on the Frontend
It works on Ethers v5 and returns the contract I deployed but not on ...
- 11
1
vote
0
answers
23
views
Programmatically deploy Safe smart contract on Polygon Mainnet
I have created a mobile wallet using Flutter. I would like for users to be able to create a new Safe wallet within my app.
How can I programmatically deploy a Safe smart contract within my app?
0
votes
1
answer
78
views
ERC-4337 - Bundler development
I understood the ERC-4337, but I need to develop a Bundler for my job. But I don't know how to do it, I researched about it but I didn't find any great content. Please give me tips and explain how can ...
0
votes
0
answers
65
views
How do I retrieve ethereum mistakenly sent to a wallet address?
Following the advice of a web3 developer, I did the following:
I created a smart contract(https://hastebin.com/share/uyuvolavoh.php) using remix.re and deposited 0,69 ETH to it.
I then clicked the ...
- 1
0
votes
0
answers
12
views
I can't transfer my Blockchain portfolio Ballance to metamask wallet
Please I need help with my Blockchain portfolio Ballance to be transferred to metamask wallet address.. I have tried but my funds are not showing up..
0
votes
0
answers
13
views
How can you withdraw an unlocked wallet that is holding 74%34 lp
If an unlocked wallet is holding 74.34% of LP and recommended that it should be with pinklock which I did but didn't work out so they any other way to swap back ur coin to BNB
- 1
0
votes
0
answers
9
views
question about new contract
contract deployment on metamask isnt working (my contract is below)
How i do make like picture above?
- 1
0
votes
0
answers
12
views
Lost ETH, can't work out what wallet was used to store it
I bought some Ethereum on behalf of my parents in 2017. I think we decided to store the currency on my Ledger Live but on a different address. I have the password for every wallet I've ever created by ...
0
votes
0
answers
9
views
How can I withdraw the ETH that I sent to the Etherscan contract that I created [duplicate]
I did something stupid and think it may have been a scam. Part of the scam was for me to create our own etherscan contract and send ETH there where an arbitrage bot would trade it. The bot was ...
- 1
1
vote
2
answers
162
views
How to call a smart contract function by passing a struct in it
I would like to call exactInputSingle function of pancakeswap contract:
"function exactInputSingle(struct IV3SwapRouter.ExactInputSingleParams params) external payable returns (uint256 amountOut)&...
- 13
0
votes
2
answers
103
views
Calling Aave Lending Pool V2 "Borrow" function returns "reverted with reason string 59"
My smart contract is trying to use stETH as collateral to borrow 250 WETH on the Aave Lending Pool V2, but the borrow function reverts with code 59:
BORROW_ALLOWANCE_NOT_ENOUGH = '59'; // User borrows ...
0
votes
0
answers
10
views
.Scam issue ApprovalForAll(send nft from owner to another wallet) [duplicate]
this guy use the following code to scam and send nft via smart contract between my wallet to his wallet
.ApprovalForAll( owner=[Sender] 0x8642b756a009d29da93dec774aa8bc5a329abae1, operator=...
0
votes
1
answer
46
views
Error: User Rejected when trying to do connection to Core.app wallet extension on the web browser
I cant configure out why it tells me contract is not defined whenever I call the handleClick function.
Heres the code:
import React, {
createContext,
useContext,
useEffect,
useRef,
useState,
...
0
votes
3
answers
49
views
How to require the owner of smart contract to approve the execution of a function
Please how can I add the intervention of a 3rd account that approves the execution of a function?
Example :
Bob wants to execute function F, but it won't be executed unless Alice comes in and checks ...
0
votes
0
answers
71
views
Cannot read properties of undefined reading map error is coming
I write an smart contract for crowdfunding but when I try to fetch the event data from smart contract and mapping the data this error is occur TypeError: Cannot read properties of undefined (reading '...
- 11
1
vote
1
answer
39
views
View Function Error in Ethers js
I Use ethersjs Cdn when i call getCounter Function in my SmartContract it return me transaction object not give me counter value. View Function not give me value it give me transaction object
async ...
