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@beamnetwork/erc820
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Universal registry smart contract where any address (contract or regular account) can register which interface it supports and which smart contract is responsible for its implementation.
The official proposal can be found at: eips.ethereum.org/EIPS/eip-820.
This repository contains the official implementation of the ERC820 registry as defined in the standard.
The address of the registry on all chains is:
0x820b586C8C28125366C998641B09DCbE7d4cBF06
The ERC820 implementer interface is the interface any contract MUST implement if said contract implements an interface on behalf of another address via ERC820.
The registry can be compiled from the source code using:
npm run build
This will write the json artifacts for the registry in the artifacts
folder and the standard output in the build
folder.
The address of the account creating the registry, the address of the registry and the raw signed transaction can be generated with:
npm run info
> erc820@0.0.23 info /Users/kodikodytis/code/ERC820
> node js/info.js
RawTx: 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
Sender: 0xE6C244a1C10Aa0085b0cf92f04cdaD947C2988b8
Contract: 0x820b586C8C28125366C998641B09DCbE7d4cBF06
Those values can be compared with the values in the ERC820 standard.
The metadata---for the registry only---can be extrated using:
node scripts/extract_metadata.js
This metadata can also be compared with the formated version in the ERC820 standard.
The vanity address of the registry---starting with 0x820
---has been generated using the scripts/vanitygen.sh
and scripts/vanitygen-info.js
scripts.
The ERC820 registry is part of the ERC820 standard and is therefore in the public domain via CC0.
The authors waive all copyright and related or neighboring rights for the rest of this repository's content via CC0. A copy of the CC0 waiver is included in the LICENSE file.
FAQs
ERC 820 - Pseudo-introspaection using a registry contract
The npm package @beamnetwork/erc820 receives a total of 3 weekly downloads. As such, @beamnetwork/erc820 popularity was classified as not popular.
We found that @beamnetwork/erc820 demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 5 open source maintainers collaborating on the project.
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