Questions tagged [chainlink]
Chainlink is a decentralized oracle network that enables blockchain smart contracts to securely access off-chain data feeds.
585 questions
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0 answers
25 views
ContractFunctionExecutionError: The contract function "getFee" reverted. Error: UnsupportedDestinationChain(uint64 destChainSelector)
I'm building my stablecoin lending-protocol with Cross-chain transfer feature, built with Chainlink CCIP. I performed the tests in foundry and all went positively there. However as I deployed the ...
1 vote
1 answer
34 views
Mint NFT via CCIP issue
I have an issue when trying to execute the mint function remotely from Arb Sepolia to Op Sepolia. The initial plan was this function will send the payment token and the svg params as a message data ...
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1 vote
1 answer
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Why don’t Chainlink Price Feeds work with the Abstract Sepolia test network?
Why don’t Chainlink Price Feeds work with the Abstract Sepolia test network? They work fine on the regular Sepolia test network, but there are no feed addresses provided in the official Chainlink docs ...
1 vote
1 answer
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Optimizing log10 in Solidity for Brand Equity Points Calculation
I'm building BEST MVP, a platform to tokenize brand equity via purchase proofs . Our ActivationManager uses a log10 formula for activation points: Any suggestions to optimize log10 with PRBMath or ...
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Getting "NotEnoughGasForCall" revert with chainlink CCIPLocalSimulator
I am building a cross chain swap dapp with chainlink ccip. Basically user1 creates an order on chain A and its acceptable from any chain. When I send acceptOffer from chainB (since it's local it's ...
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1 vote
2 answers
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Why is Chainlink VRF request costing me over 120 LINK on Sepolia testnet?
I'm working on a smart contract using Chainlink VRF v2 on Sepolia. I've funded my subscription with 15 LINK, and here's the situation: I called requestRandomWords() after buyTicket(). The Keeper ...
- 21
2 votes
1 answer
83 views
VRFCoordinatorV2_5Mock failing to broadcast fundSubscription tx in Foundry
I’m running into an issue when using Chainlink VRF v2.5 with VRFCoordinatorV2_5Mock in Foundry. Here’s my code
vm.startBroadcast(ANVIL_DEFAULT_ACCOUNT); VRFCoordinatorV2_5Mock ...
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0 answers
32 views
How can I get Sepolia ETH without holding 1 LINK on Ethereum Mainnet? [duplicate]
I'm just getting started with blockchain development and I'm trying to send my very first transaction on the Sepolia testnet. I tried using the Chainlink faucet, but it says I need to hold at least 1 ...
