graph-node
log-flume
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graph-node | log-flume | |
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125 | 5 | |
2,757 | 25 | |
3.0% | - | |
9.7 | 0.0 | |
7 days ago | 11 months ago | |
Rust | Go | |
Apache License 2.0 | GNU General Public License v3.0 or later |
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.
log-flume
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Block explorer for my GETH node ?
Block explorers like Etherscan and EthVM maintain additional indexes that use a lot more space than a normal node to make everything efficiently queryable. My team has developed Flume which will index logs, transactions, receipts, and blocks into a relational database, but that database ends up being >1.25 TB without even having the Ethereum state trie. Queries are super efficient, but the tradeoff is a lot more disk space.
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Open source alternative to Infura, AlchemyAPI, Quick node …
We also have an open source log and transaction indexer called Flume, which gives high performance responses to eth_getLogs queries, and supports more in-depth queries of log and transaction data than are supported through traditional Ethereum nodes.
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Tool for querying Ethereum via SQL locally?
Flume will load blocks, transactions, receipts, and logs into a sqlite database, from which it has a number of rpc queries, though locally you could connect to the sqlite database and run your own queries. It doesn't include state data, however.
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
chainlink - node of the decentralized oracle network, bridging on and off-chain computation
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]
arwes - Futuristic Sci-Fi UI Web Framework.
scaffold-eth - 🏗 forkable Ethereum dev stack focused on fast product iterations
optimism - Optimism is Ethereum, scaled.
polygon-edge - A Framework for Building Ethereum-compatible Blockchain Networks
chainlens-free - Ethereum, Hyperledger Besu and Quorum blockchain explorer
redwood - The App Framework for Startups
cardano-node - The core component that is used to participate in a Cardano decentralised blockchain.