4
votes
Accepted
How to use the alchemy api on a local hardhat node?
You can't use Alchemy as your local hardhat node.
There are a lot of things that Alchemy does, but it would have a really hard time indexing your local hardhat chain, especially since it doesn't have ...
- 10.5k
3
votes
How to find total value in ETH of all NFTs owned by a user
If you like to get the user's NFT portfolio value, then you can use Moralis to provide you with such data.
Simply sign up to Moralis to get the API key and install the SDK:
npm install moralis
Then, ...
3
votes
Accepted
If `provider` is essential in communicating with the blockchain, how is this following code working?
Acutally, when you running the script by hardhat command, it's automatic assigned by a provider into your erc instance contract. You can check it inside erc.provider
For example
npx hardhat run ...
- 183
2
votes
When I try to deploy my smart contract to the goerli network, nothing happens
I would have just commented to the original question, but I do not have enough reputation to comment.
I have experienced the same issue. Lately the Goerli network is super busy in US day time and it ...
- 43
2
votes
Accepted
Does Alchemy "getAssetTransfers" get all transactions or just all asset transfers?
Heya 👋🏼 Full disclosure: Alchemy Developer Advocate speaking :)
getAssetTransfers gets all transaction types that you specify in your query, including "transactions even if no value is sent&...
- 403
2
votes
Accepted
Can someone explain me providers and the different types of it?
The main difference between then is the infrastructure they use to connect to the Ethereum network - they also offer different features. Think of them as different services that will allow you to ...
- 612
2
votes
Accepted
Getting NFTs of an address in a specific collection
(1) Get all the NFTs of an address owned within a specific network by ( You have to do the network configuration earlier ):
await alchemy.nft.getNftsForOwner(address)
(2) Then store the response ( It'...
- 382
1
vote
Problem in getting test ethers from sepolia faucet by alchemy
if its real what you are saying, then its strange it should be allow you to withdraw the faucets after 24 hours.
It's possible that the faucet has a limit on the total amount of test ether it can ...
- 604
1
vote
Accepted
TypeError: Member "push" is not available in uint256[] memory outside of storage
As stated here
Dynamically-sized arrays can only be resized in storage. In memory,
such arrays can be of arbitrary size but the size cannot be changed
once an array is allocated.
AFAIK currently ...
1
vote
Insufficient funds when trying to deploy smart contract at goerli test network with alchemy
Going off what Lauri was saying, Goerli testnet is not worth testing on anymore. ETH Foundation has already started deprecating and is setting end of life date for Georli in Dec 2023: https://github....
- 11
1
vote
Get all Nfts of a collection owned by a wallet using alchemy sdk
alchemy sdk changed something and so if you need, you can add pageKey to your sdk parameter.
...
alchemy.nft.getNftsForOwner("0xshah.eth", {pageKey: '88434286-7eaa-472d-8739-32a0497c2a18'})....
- 11
1
vote
Getting NFTs of an address in a specific collection
I am not familiar with Alchemy's API, but you could definitely do this by building a subgraph for this, to index the data specific to your needs.
And then query the data from a frontend like you would ...
1
vote
Retrying after error: 429: Your app has exceeded its concurrent requests capacity - fetching NFTs
The error code 429 implies that Your app has exceeded its compute unit per second capacity. The requests, unfortunately, do not go through and as a result, the dashboard responses aren't returning the ...
- 11
1
vote
passing topics to the Alchemy eth_getLogs API call
There certainly is.
First, go to Alchemy, create a free account, register a new tool and drop your API key into your code as displayed there. Then, go to the composer.
There, choose your language, ...
- 499
1
vote
Can we sell the physical goods using ERC721?
You can absolutely use erc721 to make validate or facilitate physical purchases. For example, your website to ship an item might check the wallet of a user before the shipping option is made ...
- 322
1
vote
Minting 3D files onto opensea
From the OpenSea metadata documentation, we can see that GLB and GLTF files are supported, which may help you out here: https://docs.opensea.io/docs/metadata-standards
I found this great walkthrough ...
- 403
1
vote
Trying to understand the difference between trace_call and debug_traceCall methods
Function of these methods:
trace_call & debug_traceCall: These methods execute the given call and return a number of possible traces for it.
Differences
Here are some of the differences between ...
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