Questions tagged [smart-contract-wallets]

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ERC6551 and module style

I would use ERC6551 to introduce accounts as NFTs into the game. I believe that adding a modular style to the account contraption would make it an extensible contraption. However, in contrast to ...
tjtr's user avatar
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I am trying to make a smart contract in solidty to pool user funds and then transfer them to AAVE lending

This is my code. I am not very familiar with solidity. Currently I am just using a hard coded interest rate instead of deriving it from AAVE for testing // SPDX-License-Identifier: GPL-3.0 pragma ...
Kunal's user avatar
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2 answers
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How can i get my ETH back? Amateur used smart contract without any knowledge [duplicate]

I'm probably the dumbest guy 2024. I tried a youtube tutorial where a guy showed how to use a smart contract bot to earn some passive income. I copied everything and started it through remix.ide. ...
acr19041's user avatar
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How to do a paymaster from scratch?

I just read and learned about the account abstraction concept, and I like it when I know it has a gas-less concept (paymaster). During reading and implementing, I have some questions: If I start ...
Wind's user avatar
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Implement wallet abstraction locally : Do I need a bundler node?

I'm trying to implement wallet abstraction locally using Anvil. I've deployed the required contracts. Now I'm wondering if I have to set up a local node bundler for my local Anvil network to bundle ...
Fantasim's user avatar
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Wrong deposit in KuCoin. The depositor sent the deposit to the contract address

The depositor sent the deposit to the contract address. Is there a way to know who the owner of the contact address is?
Mafi's user avatar
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Can a scammer withdraw from a wallet if I revoke permissions?

A friend of mine went last night to a scam web, clicked on a button and some Pendle tokens were withdrew on the Ethereum blockchain. I checked the transactions and there are two: Approval() and ...
Juan Antonio Tubío's user avatar
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1 answer
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does account abstraction wallets have different address across different chains?

i was using ambire wallet which is abstraction wallet and it have same account address across differnt chain . but i read it somewhere that abstraction account wallet have different address across ...
MD AZAD's user avatar
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Is it possible to hide wallet address with ZK proofs

We are working with zk contracts on partisia blockchain, so out of curiosity I want to hide the senders address while sending a transaction. Consider a case where we are minting NFTs anonymously, if ...
Aman Mehra's user avatar
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etherscan showing 0 balance, transaction showing as success, but balance in my contract as 0

Not sure why etherscan.io showing as 0 balance. My Transaction hash# "0x2653135e31407726a25dd8d304878578cdfcc7d69a2b319d1aca4a37ed66956a" is showing as susccess with 0.47 eth. but when i ...
arewe's user avatar
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problem with reverted when testing smart contract

In my smart contract there is a function: function fund() public payable { require( msg.value.getConversionRate(priceFeed) >= MINIMUM_USD, "You need to spend more ETH!"...
vinh nguyen's user avatar
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Loose ETH making a smartcontract on Remix IDE [duplicate]

First think first- I'm a noob on blockchain/smartcontracts etc... but I really apreciate some help I was copying some youtube videos to make a smart contract on etherum staking with help of AI and win ...
Ruben Godinho's user avatar
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110 views

Set ERC20 token allowance for Smart Wallet Account

I am trying to set USDT(ERC20) token allowance for SWA (smart wallet account) so that the account can interact with an external contract and send USDT to the contract. I am using Alchemy SDK to create ...
Kogelet's user avatar
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199 views

How to sign Transactions in smart contract account in erc 4337?

We can create a smart contract account using ERC-4337 right, now using that account we can interact with other smart contracts and it can hold assets, but my query is how can a smart contract account ...
Nishant Shah's user avatar
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Troubleshooting a Failing Transaction in Ethereum Account Abstraction

I'm attempting to use account abstraction for transactions on the Mumbai chain without a paymaster, where my smart contract wallet pays the fees. Despite following the process and checking against the ...
Shivam Yadav's user avatar
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SafeERC20 wrapper library triggers foundry errors. How do i get around this?

I wanted to test what the SafeERC20 wrapper contract did, whenever it interacts with a banlisted usdst transfer attempt. But i keep getting weird errors. Is this an inheritance issue? What am i doing ...
user108118's user avatar
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Using safe wallet in unity

How to use safe, in an unity app? Consider I don’t want the user come out of the app and get redirected to other places to sign anything. I want the whole process take care in the app
bghad1's user avatar
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The receiving account ether's does not increase whilst the sender ether's decrease

I got that function that sends contributions to the smart contract as i thought everything works perfectly when the sender uses it to send contributions his account balance decreases and that line is ...
JOEGREEN's user avatar
1 vote
1 answer
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Using .call to send funds to Smart Contract Wallet account

I have the following function in my smart contract which fails to send funds to a Smart Contract Wallet (SCW). It works fine with standard accounts. I explicitly set gas to 0 because this is an ...
Kogelet's user avatar
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help i neeed somone to tell me [duplicate]

I received that amount from an unknown source. what also troubles me is that my wallet displaces a much larger amount than i received which i cant explain.my gool is to convert that amount to EUR but ...
niko's user avatar
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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 ...
Irum 's user avatar
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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?
Omar's user avatar
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UNKNWON TRANSACTION TO MY WALLET

I received that amount from an unknown source. what also troubles me is that my wallet displaces a much larger amount than i received which i cant explain.my gool is to convert that amount to EUR but ...
niko's user avatar
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1 answer
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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 ...
Xytrax's user avatar
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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 ...
Envestor's user avatar
1 vote
2 answers
143 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 ...
Helia Marami's user avatar
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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 ...
Suvalley Brondt's user avatar
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2 answers
23 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.
Andrew Sinkinson's user avatar
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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’...
Cat's user avatar
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1 answer
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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 ...
alfheimrShiven's user avatar
2 votes
1 answer
127 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 ...
swkcoding's user avatar
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1 answer
59 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: ...
Huzaifa Ahmed's user avatar
1 vote
0 answers
37 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 ...
Liam's user avatar
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2 answers
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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 ...
Anuj Kumar's user avatar
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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=...
Drop's user avatar
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2 answers
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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 ...
Intermediate's user avatar
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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 ...
johnTg's user avatar
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1 answer
58 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; ...
Ilyas Khan's user avatar
1 vote
0 answers
54 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 ...
Nic Szerman's user avatar
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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 ...
jojo12's user avatar
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0 answers
16 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 ...
kaustubh sharma's user avatar
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8 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 ...
popomint's user avatar
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1 answer
23 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 (...
eyalmen's user avatar
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1 answer
58 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 ...
user2340939's user avatar
1 vote
1 answer
50 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?
Ajay Yadav's user avatar
1 vote
1 answer
263 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 ...
Frantz M.'s user avatar
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80 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?
Travis Capehart's user avatar
1 vote
1 answer
74 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 ...
Chinmay Tiwari's user avatar
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1 answer
47 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/...
Mehmet Gul's user avatar
1 vote
2 answers
400 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 ...
Bhanu Partap's user avatar

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