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Frank Kong's user avatar
Frank Kong's user avatar
Frank Kong's user avatar
Frank Kong
  • Member for 6 years, 5 months
  • Last seen this week
  • Hangzhou, Zhejiang, China
5 votes

How to get public key from private key in Web3j

3 votes
Accepted

Keepers explained in Defi

3 votes
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Is ChainLink's VRF susceptible to a 51% attack?

2 votes

How to generate random number and get it at the same time using Chainlink VRFv2?

2 votes

How exactly does smart contract consumes data from oracles?

2 votes
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How to guarantee unique number combinations based on Chainlink VRFv2?

1 vote

How do Chainlink Oracles make money?

1 vote

Withdraw eth from contract address

1 vote
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random number from chainlink vrf at hardhat test always 0

1 vote
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How to specify return value of chainlink MockOracle

1 vote

Chainlink Stale Data latestRoundData() guide

1 vote

Chainlink VRF2, Automation - Raffle Game

1 vote
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Can I deploy custom data feed?

1 vote

How to get chainlink price feed data for my national currency?

0 votes

Call fundSubcription() chain link vrf v2 using brownie gas fee error?

0 votes
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Is it possible to wait for one block in order to get the VRF requested Number of words ? CoinFlip program

0 votes

How to call Chainlink Request Call from Another Contract

0 votes

How to guarantee or ensure uniqueness based on Chainlink VRF?

0 votes

Error happened while trying to execute a function inside a smart contract: Chainlink Functions Contract Deployment

0 votes
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How to get a tweet content using oracle in the smart contract to verify a user

0 votes

Cannot get Chainlink Conversion ETH/USD Correct other than 0

0 votes

how can i use the sports data in my solidity smartcontract?

0 votes

Chainlink UpKeep Registration ABI Error Problem

0 votes

How to fetch IPFS data on Polygon Smart contract?

0 votes

How to sign a transaction object from within a smart contract?

0 votes

Need for rawFulfillRandomWords in ChainLink's VRFConsumerBaseV2

0 votes

When should we use Chainlink time-based keepers?

0 votes

Can you concatenate a string url in solidity before sending it to a Chainlink APi? I tried with this but it didn't work

0 votes

ERROR processing when testing the contract - TypeError: Cannot read property 'length' of undefined

0 votes
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Transaction keeps failing in solidity