Add support for Sourcify contract information lookup #1899
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- Contract name, ABI and creation transaction hash (start block) from [Sourcify API](https://docs.sourcify.dev/docs/api/). - Runs before the registry lookup and replaces default values (not interactive) if not provided by the user. This means priority for CLI parameters looks like: user submitted (env/CLI args) > Sourcify API > Default values > Registry fetch
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YaroShkvorets
requested changes
Jan 15, 2025
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Looks good.
Can we add a couple of test cases to https://github.com/graphprotocol/graph-tooling/blob/main/packages/cli/src/command-helpers/contracts.test.ts
Also, any idea why it can't find source code on Sourcify for this contract on mainnet: 0xb47e3cd837dDF8e4c57F05d70Ab865de6e193BBB. It exists on Etherscan. I thought it's supposed to import it from etherscan?
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YaroShkvorets
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Jan 16, 2025
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Etherscan requires an API key for ABI lookup and other operations.
Sourcify (https://sourcify.dev/) is an open-source decentralized alternative.
Features
This means priority for CLI parameters looks like:
user submitted (env/CLI args) > Sourcify API > Default values > Registry fetch
Closes #1001.
Details
The
getFromSourcifymethod returns all the information related to contracts that are normally fetch from registry URLs:It internally makes the RPC call for the
startBlockusing the creation transaction hash.