Questions tagged [alchemy]
Used for questions related to Alchemy, a Web3 developer platform that provides supernode infrastructure, enhanced APIs, and other building and monitoring tools for building decentralized blockchain applications.
143 questions
0 votes
1 answer
52 views
How to propose a batch token transfer transaction using SafeKit
We are using SafeKit to propose transactions from our backend to then be signed by our clients. We currently have a system in which when a user wins, the whole balance of an ERC20 token is transfered ...
0 votes
1 answer
25 views
BuyMeACoffee week2, contract and payable
I have a question about week 2 buy me coffee. In the index.jsx file in replit, when we click on the button, we call our function from the contract by: const coffeeTxn = await buyMeACoffee.buyCoffee(......
1 vote
2 answers
287 views
Ethers v6 `signTypedData()`. Could not coalesce error, "Cannot read properties of null (reading 'ok')"
On my frontend app I am trying to implement EIP-3009 with USDC using Ethers v6.13.4, Web3Auth (using Web3AuthNoModal) and Alchemy as the RPC provider. The implementation itself seems to be very ...
1 vote
1 answer
75 views
Can Anyone help with understanding the hardhat environment?
Ethereum Smart Contract Deployment Issue Context I'm new to blockchain development and currently following the FreeCodeCamp tutorial by Patrick Collins. While I have a basic understanding of Solidity ...
1 vote
1 answer
46 views
Restrict fucntions when using AA
I want to restrict some funcitons, which have role-base-modifer, when using AA with gas sponsor (I currently use Alchemy). What I want to realize is that only our backend can exec those functions. The ...
1 vote
0 answers
76 views
expired transactions using flashbots eth_sendPrivateTransaction
I'm trying to send a swap transaction using eth_sendPrivateTransaction to alchemy, which then routes it through private mempools using flashbots. But my transactions keep expiring. I have tried adding ...
0 votes
0 answers
33 views
Scripts directory not installed
I am creating a smart contract where I have to run the script directory. But even after installing all the dependencies the directory is not getting added to the root folder.
1 vote
1 answer
193 views
How can I decode the output of the first call and use it to send a transaction?
I am attempting to call view function “0x…” with argument of value “3…” to a specific address “0x…” and also send X wei to that address I am looking to acquire the hash of the successful tx. Tools/...