Questions tagged [chainlink-automation]
Chainlink Automation reliably executes smart contract functions using a variety of triggers.
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Checkupkeep function is not showing to get called by automation nodes for Chainlink Keepers
https://sepolia.etherscan.io/address/0xc3062430Aa70dABd1e33a702323aB6c4980883fd#code
Question:
The argument for performupkeep(input) is coming from my checkupkeep. So what should I give as input ...
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1
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Timeout Error in Hardhat Staging Test with Chainlink VRF and automation on sepolia network
I am encountering a timeout error while running a staging test for my Lottery smart contract using Hardhat. The test is supposed to integrate with live Chainlink VRF and Chainlink Keepers, but it ...
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2
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Renouncing a contract that contains a chainlink upkeep
I am creating a contract that I want to be fully renounced, but there is also a function that needs to be called once a year in the contract. I created a chainlink upkeep to call it. The upkeep adress ...
2
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1
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Error in Chainlink Functions source script with EthersJS for Writing to smart contract
After following this example of Chainlink Functions:
I used a basic smart contract like below:
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.2 <0.9.0;
contract Storage {
...
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How to Implement Chainlink VRF into EIP2535 Standard Contract
I'm currently working on a smart contract that involves using Chainlink VRF (Verifiable Random Function) through a Diamond contract. My contract structure includes a performUpkeep function, which ...
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3
answers
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VRFCoordinatorV2Mock.createSubscription is not a function contract error
const { network, ethers } = require("hardhat")
const { developmentChain } = require("../helper-hardhat-config")
const { networkConfig } = require("../helper-hardhat-config&...
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1
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Does Anyone Know How To Implement CHAINLINK AUTOAMTION (Keepers) To be the "Executor" of the "Timelock" contract in a DAO?
I am trying to add a different element to a DAO - and that is to make Chainlink be the automatic "executor" of the "timelock" contract when the minDelay amount of time has passed. ...
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1
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Can Chainlink time-based upkeep register multiple cron jobs in a single contract?
I have been trying to make a raffle platform with the Chainlink automation.
I can see the time-based upkeep can have only one cron job,
But when the raffles are created in the platform, each of them ...
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Decoding Chainlink Function Response in Solidity Contract and Handling Nested JSON Objects
I'm dealing with a problem regarding the decoding of data obtained from a Chainlink function in my Solidity code. Specifically, I'm using a Chainlink custom function that sends an HTTP GET request to ...
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2
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Chainlink Automation: why is registering upkeep directly from contract reverting?
I have a factory contract which deploys a custom contract. The custom contract imports Automation Compatible.sol and implements checkUpkeep() and performUpkeep()
The factory contract has a function ...
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"Seeking Help with an Error in Implementing Patrick Collins' Automation Smart Contract"
I ran into a problem with implementing Patrick Collins' automation smart contract, and I received "contract 'raffle should be marked as abstract" and is not compiled. What is wrong with my ...
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Chainlink performUpkeep not being executed
I am trying to implement a decentralized raffle that works with custom tokens and randomly select the winner using chainlink automated keepers. I selected a time-based keeper so that "...
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Chainlink Automation ( Upkeep ) Design Choice
Within my system, there is a mother smart contract capable of breeding identical baby smart contracts. In general, a certain action needs to be done in the baby smart contracts ( at some point ) to ...
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Chainlink VRF2, Automation - Raffle Game
i am writing a raffle game contract, I integrated Chainlink keepers to check how much time has passed and pick the winner to move on to next round.
function checkUpkeep(
bytes calldata
...
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1
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78
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Address to String in Chainlink Request is giving error?
When i am using
req.add("publicKey","any_public_key_here_as_string");
I have 2 steps mentioned in our job specification
decode_cbor [type=cborparse data="$(decode_log.data)&...
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2
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Keepers explained in Defi
So I have been working on a fork for GMX. In the end it gets stuck on off chain keepers (which was supposedly fixed by Chainlinks upkeep). Can someone please explain what exactly is happening? I dont ...
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