graph-node
chainlink
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graph-node | chainlink | |
---|---|---|
125 | 168 | |
2,774 | 6,548 | |
1.7% | 4.3% | |
9.7 | 10.0 | |
5 days ago | 4 days ago | |
Rust | Go | |
Apache License 2.0 | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
graph-node
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Blockchain transactions decoding: making wallet activity understandable
Event is a log entity which EVM smart contracts can emit during transaction execution. Events are very good at signalling that an some action has taken place on-chain. Applications can subscribe and listen to events to trigger some off-chain logic or they can index, transform and store events in some off-chain storage (look at The Graph protocol or Ethereum ETL).
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Error deploying subgraph on local
Subgraph cloned from repo :https://github.com/graphprotocol/graph-node/tree/master/docker
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Help configuring wagmi
https://github.com/scaffold-eth/scaffold-eth-2 this repo comes with wagmi and hard hat preconfigured you can use it as a sample , but if you are large querying data I would advise you the graph https://thegraph.com/
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SKALE Ecosystem Update. Explore the Thriving Ecosystem that is Driving Innovation on SKALE
The Graph
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Is Nethereum's GetContractQueryHandler decentralized? If not what's a decentralized alternative for C#?
There are also decentralized network services like The Graph or Pocket Network that provide decentralized access to Ethereum and other blockchain networks. Note that these services primarily provide APIs for querying blockchain data, and may not provide full functionality for sending transactions or executing smart contracts like a full Ethereum node or services like Infura and Alchemy.
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Is it possible to create subgraphs to query other blockchains that arent supported on the hosted service?
Yes, you can. You'll have to run your own graph-node See: https://github.com/graphprotocol/graph-node
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ETH Data pipeline ?
If you only looking to index events of a couple contracts you can use https://thegraph.com to deploy a sub graph for fetching real time data form those contracts
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Gitpod x Blockchain
First lets see this repo StoreFront_contracts This project is build with hardhat and also has TheGraph powered indexer in subgraph. The project provides NFT based smart contract like ERC721 build on top of openzeppelin contracts.
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How is building in web3 different from building in web2?
Does blockchain tech replace the backend? Absolutely...Not 👀 As I said, web3 is an addition, supplementary and will not replace existing tech. In major blockchain applications, getting data from smart contracts can cost time and sometimes fail if the RPC is unresponsive. You would still want a database and API to query data collected from smart contracts from, say, events. Examples: The Graph, Moralis.
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The Graph Tutorial: Creating a Subgraph
Before you continue, I'm assuming you know what The Graph is and what problems it tackles. If you haven't, I highly recommend checking out - Why The Graph.
chainlink
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Best Crypto To Invest in 2024 [Expert Guide]
Chainlink (LINK) – The Blockchain Oracle Giant
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Chainlink Oracle Security Considerations
Chainlink allows smart contract developers to receive a wide variety of off-chain data, with the most commonly used features being receiving off-chain randomness and off-chain pricing data. Integrating your smart contracts with Chainlink provides a unique set of potential security vulnerabilities that attackers can exploit; here are the common vulnerabilities that smart contract developers & auditors need to look out for.
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DeFi In The Future 5: Interoperability
As well as feeding real-world data to smart contracts, oracles can be used to monitor other blockchains and pass information about them between networks. Chainlink has made progress in this direction, with their Cross-Chain Interoperability Protocol (CCIP). This enables the creation of multi-chain apps. The protocol is maintained by a decentralized network of nodes. However, this is unlikely to be as secure as the chains between which messages are being sent.
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Does decentralized technology have a place in the future of the internet?
I do like the example of Etherisc as a simple showcase of what could be possible. It is a decentralised insurance platform, where right now you can purchase insurance against flight cancellations. Should the flight be cancelled a decentralised network Chainlinkreports to Ethereum the flight number and smart contract pays you out. Unlike traditional insurance (provided there has been security system of all systems involved) there is no way for the smart contract not to pay you out. With companies they can go bankrupt, argue against some technicality or have their own funds frozen due to clerical error.
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From Zero to Blockchain Hero: BNB Chain Builder Series Calling for Developers!
We’d like to express our deep gratitude to Axelar, Chainlink Labs, Polkastarter, and Hacken for their generous support. We’re also proud to announce that our EU Incubator winners and participants, including Port3 Network, Blockless, Shorter Finance, and Dynamic Labs, will be joining us to share and sponsor bounties in our hackathon.
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Is it time to stop trying to prove Buddhism with science?
This is an example of my current work, though you have to go back in history a bit to see my name on the commits.
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Tim Berners-Lee: ‘Web3 is not the web at all’
This is by no means an exhaustive list, just a smattering of some of the bigger projects doing neat things.
The graph protocol - decentralized blockchain indexing feeding a network of graphQL servers hosting the data powering dapps https://thegraph.com/en/
Chainlink - decentralized on-chain oracles for basically any piece of data from the real world - https://chain.link/
MakerDAO - creator of the first “soft pegged” stablecoin, it is a series of smart contracts that allow people to lock up crypto as collateral and mint DAI, uses a number of neat and novel mechanisms to keep peg by adjusting interest rates and incentivizing economic behavior https://makerdao.com/en/
Compound - a decentralized lending and borrowing protocol with no centralized authority handling liquidations/collateral pricing/etc. https://compound.finance/
Uniswap - a decentralized exchange for swapping assets in a trustless way, has neat features like flash loans where you can borrow a large amount of money (millions of dollars) for the length of one transaction, as long as the money is returned with a fee. This allows anyone to do things like capture arbitrage opportunities, liquidate large positions, or whatever else can be done in one transaction. https://uniswap.org/faq
A lot of these are DAOs using smart contracts to propose and vote on binding proposals on chain and adjust parameters within the protocol or paying contributors and whatnot. You can see an example here https://compound.finance/governance
Beyond that there’s other blockchains focused on specific use cases like GameFi, bridges connecting together different blockchains and moving liquidity between them in a mostly seamless way, massive research attention being paid to zero knowledge proofs (which have a lot of potential implications in the real world), and multi-sig contracts for only doing things when a quorum of key holders come together and signal their intent.
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Test Driven Development for Smart Contracts
Chainlink A Oracle network for retrieving real-world data in a decentralized manner.
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What do you think about the Bifrost Testnet launch soon?
I have managed to complete the major part of the interoperability projects this year. I have been optimistic about Cosmos, Polkadot, and Chainlink, and I am becoming increasingly interested in the Bifrost network (layer 1). I've been reading the articles about their upcoming launch. The Bifrost network has introduced some features that other projects do not have yet. However,they are still unsure about the rewards for participating in the BIFROST BIT Testnet Reward Program as described in the article. This contributes to their goal of making the most of the Incentivized Testnet and ensuring that BIFROST is stress-tested and ready for mainnet. I still need to learn more about the Network and how it differs from the DOT and cosmos projects. I am interested in participating in the launch but still don't have any clear info and how to go about this.
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10 Cryptocurrencies You Can Buy on Robinhood
Chainlink is currently ranked #23 cryptocurrency on CoinMarketCap, with a fully diluted market cap of $7.2 Billion. Chainlink was founded in 2017, and is the most powerful decentralized oracle in the crypto space. LINK has been rapidly integrating off-chain data and external price/data feeds within their smart contract platform. There are limitless use cases for this chain. Robinhood supports LINK buying, selling and deposits/withdrawals via the built in wallet.
What are some alternatives?
hardhat - Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software.
ipfs - Peer-to-peer hypermedia protocol
immudb - immudb - immutable database based on zero trust, SQL/Key-Value/Document model, tamperproof, data change history
dfinity-oracle-framework
polygon-edge - A Framework for Building Ethereum-compatible Blockchain Networks
snapshot - Interface for Snapshot. Join us on Discord http://discord.snapshot.org
gin-vue-admin - 🚀Vite+Vue3+Gin的开发基础平台,支持TS和JS混用。它集成了JWT鉴权、权限管理、动态路由、显隐可控组件、分页封装、多点登录拦截、资源权限、上传下载、代码生成器、表单生成器和可配置的导入导出等开发必备功能。
v3-core - 🦄 🦄 🦄 Core smart contracts of Uniswap v3
arduino-cli - Arduino command line tool
cardano-node - The core component that is used to participate in a Cardano decentralised blockchain.
brownie - A Python-based development and testing framework for smart contracts targeting the Ethereum Virtual Machine.
scaffold-eth - 🏗 forkable Ethereum dev stack focused on fast product iterations [Moved to: https://github.com/scaffold-eth/scaffold-eth]