mirror of
https://github.com/Instadapp/chains.git
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132 lines
3.9 KiB
Markdown
132 lines
3.9 KiB
Markdown
# EVM-based Chains
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The source data is in _data/chains. Each chain has its own file with the filename being the [CAIP-2](https://github.com/ChainAgnostic/CAIPs/blob/master/CAIPs/caip-2.md) representation as name and `.json` ans extension.
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## Example
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```json
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{
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"name": "Ethereum Mainnet",
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"chain": "ETH",
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"rpc": [
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"https://mainnet.infura.io/v3/${INFURA_API_KEY}",
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"https://api.mycryptoapi.com/eth"
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],
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"faucets": [],
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"nativeCurrency": {
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"name": "Ether",
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"symbol": "ETH",
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"decimals": 18
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},
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"infoURL": "https://ethereum.org",
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"shortName": "eth",
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"chainId": 1,
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"networkId": 1,
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"icon": "ethereum",
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"explorers": [{
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"name": "etherscan",
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"url": "https://etherscan.io",
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"icon": "etherscan",
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"standard": "EIP3091"
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}]
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}
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```
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when an icon is used in either the network or a explorer there must be a json in _data/icons with the name used (e.g. in the above example there must be a `ethereum.json` and a `etherscan.json` in there) - the icon jsons look like this:
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```json
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[
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{
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"url": "ipfs://QmdwQDr6vmBtXmK2TmknkEuZNoaDqTasFdZdu3DRw8b2wt",
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"width": 1000,
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"height": 1628,
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"format": "png"
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}
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]
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```
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where:
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* the URL must be a IPFS url that is publicly resolveable
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* width and height are positive integers
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* format is either "png", "jpg" or "svg"
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If the chain is an L2 or a shard of another chain you can link it to the parent chain like this:
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```json
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{
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...
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"parent": {
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"type" : "L2",
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"chain": "eip155-1",
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"bridges": [ {"url":"https://bridge.arbitrum.io"} ]
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}
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}
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```
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where you need to specify type 2 and the reference to an existing parent. The field about bridges is optional.
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You can add a `status` field e.g. to `deprecate` a chain (a chain should never be deleted as this would open the door to replay attacks)
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Other options for `status` are `active` (default) or `incubating`
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## Aggregation
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There are also aggregated json files with all chains automatically assembled:
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* https://chainid.network/chains.json
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* https://chainid.network/chains_mini.json (miniaturized - fewer fields for smaller filesize)
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## Constraints
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* the shortName and name MUST be unique - see e.g. EIP-3770 on why
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* if referencing a parent chain - the chain MUST exist in the repo
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* if using a IPFS CID for the icon - the CID MUST be retrievable via `ipfs get` - not only through some gateway (means please do not use pinata for now)
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* for more constraints you can look into the CI
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## Collision management
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If different chains have the same chainID we list the one with the oldest genesis.
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## Usages
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### Wallets
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* [WallETH](https://walleth.org)
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* [TREZOR](https://trezor.io)
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* [Minerva Wallet](https://minerva.digital)
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### Explorers
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* [Otterscan](https://otterscan.io)
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### EIPs
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* EIP-155
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* EIP-3014
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* EIP-3770
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* EIP-4527
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### Listing sites
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* [chainlist.org](https://chainlist.org) or [networklist-org.vercel.app](https://networklist-org.vercel.app) as a staging version with a more up-to-date list
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* [chainid.network](https://chainid.network)
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* [networks.vercel.app](https://networks.vercel.app)
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* [eth-chains](https://github.com/taylorjdawson/eth-chains)
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* [EVM-BOX](https://github.com/izayl/evm-box)
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* [chaindirectory.xyz](https://www.chaindirectory.xyz)
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* [chain-list.org](https://chain-list.org)
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* [DefiLlama's chainlist](https://chainlist.defillama.com/)
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* [chainlist.network](https://chainlist.network/)
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* [evmchainlist.org](https://evmchainlist.org)
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* [evmchainlist.com](https://evmchainlist.com)
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* [thechainlist.io](https://thechainlist.io)
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* [chainlist.info](https://chainlist.info)
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* [chainmap.io](https://chainmap.io)
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* [chainlist.in](https://www.chainlist.in)
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* [chainz.me](https://chainz.me)
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* [Chainlink docs](https://docs.chain.link/)
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* [Wagmi compatible chain configurations](https://spenhouet.com/chains)
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### Other
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* [FaucETH](https://github.com/komputing/FaucETH)
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* [Sourcify playground](https://playground.sourcify.dev)
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* Your project - contact us to add it here!
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