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chain.schema.json
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chain.schema.json
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{
"$id": "https://sikka.tech/chain.schema.json",
"$schema": "https://json-schema.org/draft-07/schema",
"title": "Chain",
"description": "Chain.json is a metadata file that contains information about a blockchain.",
"type": "object",
"required": [ "chain_name", "chain_type" ],
"properties": {
"$schema": {
"type": "string",
"minLength": 1,
"pattern": "^(\\.\\./)+chain\\.schema\\.json$"
},
"chain_name": {
"type": "string",
"minLength": 1,
"pattern": "[a-z0-9]+"
},
"chain_type": {
"type": "string",
"minLength": 1,
"enum": [
"cosmos",
"eip155",
"bip122",
"polkadot",
"solana",
"algorand",
"arweave",
"ergo",
"fil",
"hedera",
"monero",
"reef",
"stacks",
"starknet",
"stellar",
"tezos",
"vechain",
"waves",
"xrpl",
"unknown"
],
"description": "The 'type' of chain as the corresponding CAIP-2 Namespace value. E.G., 'cosmos' or 'eip155'. Namespaces cna be found here: https://github.com/ChainAgnostic/namespaces/tree/main."
},
"chain_id": {
"type": "string",
"minLength": 1
},
"pre_fork_chain_name": {
"type": "string",
"minLength": 1,
"pattern": "[a-z0-9]+"
},
"pretty_name": {
"type": "string",
"minLength": 1
},
"website": {
"type": "string",
"minLength": 1,
"format": "uri"
},
"status": {
"enum": [ "live", "upcoming", "killed" ]
},
"network_type": {
"enum": [ "mainnet", "testnet", "devnet" ]
},
"bech32_prefix": {
"type": "string",
"minLength": 1,
"description": "The default prefix for the human-readable part of addresses that identifies the coin type. Must be registered with SLIP-0173. E.g., 'cosmos'"
},
"bech32_config": {
"type": "object",
"description": "Used to override the bech32_prefix for specific uses.",
"properties": {
"bech32PrefixAccAddr": {
"type": "string",
"minLength": 1,
"description": "e.g., 'cosmos'"
},
"bech32PrefixAccPub": {
"type": "string",
"minLength": 1,
"description": "e.g., 'cosmospub'"
},
"bech32PrefixValAddr": {
"type": "string",
"minLength": 1,
"description": "e.g., 'cosmosvaloper'"
},
"bech32PrefixValPub": {
"type": "string",
"minLength": 1,
"description": "e.g., 'cosmosvaloperpub'"
},
"bech32PrefixConsAddr": {
"type": "string",
"minLength": 1,
"description": "e.g., 'cosmosvalcons'"
},
"bech32PrefixConsPub": {
"type": "string",
"minLength": 1,
"description": "e.g., 'cosmosvalconspub'"
}
},
"additionalProperties": false,
"minProperties": 1
},
"daemon_name": {
"type": "string",
"minLength": 1
},
"node_home": {
"type": "string",
"minLength": 1
},
"key_algos": {
"type": "array",
"items": {
"type": "string",
"enum": [ "secp256k1", "ethsecp256k1", "ed25519", "sr25519", "bn254" ],
"uniqueItems": true
}
},
"slip44": {
"type": "number"
},
"alternative_slip44s": {
"type": "array",
"items": {
"type": "number"
}
},
"fees": {
"type": "object",
"required": [ "fee_tokens" ],
"properties": {
"fee_tokens": {
"type": "array",
"items": {
"$ref": "#/$defs/fee_token"
}
}
},
"additionalProperties": false
},
"staking": {
"type": "object",
"required": [ "staking_tokens" ],
"properties": {
"staking_tokens": {
"type": "array",
"items": {
"$ref": "#/$defs/staking_token"
}
},
"lock_duration": {
"type": "object",
"properties": {
"blocks": {
"type": "number",
"description": "The number of blocks for which the staked tokens are locked."
},
"time": {
"type": "string",
"minLength": 1,
"description": "The approximate time for which the staked tokens are locked."
}
},
"additionalProperties": false,
"minProperties": 1
}
},
"additionalProperties": false
},
"codebase": {
"type": "object",
"properties": {
"git_repo": {
"type": "string",
"minLength": 1,
"format": "uri"
},
"recommended_version": {
"type": "string",
"minLength": 1
},
"compatible_versions": {
"type": "array",
"items": {
"type": "string",
"minLength": 1
}
},
"language": {
"$ref": "#/$defs/language"
},
"binaries": {
"$ref": "#/$defs/binaries"
},
"sdk": {
"$ref": "#/$defs/sdk"
},
"consensus": {
"$ref": "#/$defs/consensus"
},
"cosmwasm": {
"$ref": "#/$defs/cosmwasm"
},
"ibc": {
"$ref": "#/$defs/ibc"
},
"genesis": {
"type": "object",
"required": [ "genesis_url" ],
"additionalProperties": false,
"properties": {
"name": {
"type": "string",
"minLength": 1
},
"genesis_url": {
"type": "string",
"minLength": 1,
"format": "uri"
},
"ics_ccv_url": {
"type": "string",
"minLength": 1,
"format": "uri"
}
}
},
"versions": {
"type": "array",
"items": {
"type": "object",
"required": [ "name" ],
"properties": {
"name": {
"type": "string",
"minLength": 1,
"description": "Official Upgrade Name"
},
"tag": {
"type": "string",
"minLength": 1,
"description": "Git Upgrade Tag"
},
"height": {
"type": "number",
"description": "Block Height"
},
"proposal": {
"type": "number",
"description": "Proposal that will officially signal community acceptance of the upgrade."
},
"previous_version_name": {
"type": "string",
"minLength": 1,
"description": "[Optional] Name of the previous version"
},
"next_version_name": {
"type": "string",
"minLength": 0,
"description": "[Optional] Name of the following version"
},
"recommended_version": {
"type": "string",
"minLength": 1
},
"compatible_versions": {
"type": "array",
"items": {
"type": "string",
"minLength": 1
}
},
"language": {
"$ref": "#/$defs/language"
},
"sdk": {
"$ref": "#/$defs/sdk"
},
"consensus": {
"$ref": "#/$defs/consensus"
},
"cosmwasm": {
"$ref": "#/$defs/cosmwasm"
},
"ibc": {
"$ref": "#/$defs/ibc"
},
"binaries": {
"$ref": "#/$defs/binaries"
}
},
"additionalProperties": false
}
}
},
"additionalProperties": false
},
"images": {
"type": "array",
"items": {
"type": "object",
"properties": {
"image_sync": {
"$ref": "#/$defs/pointer"
},
"png": {
"type": "string",
"minLength": 1,
"format": "uri-reference",
"pattern": "^https://raw\\.githubusercontent\\.com/cosmos/chain-registry/master/(|testnets/|_non-cosmos/)[a-z0-9]+/images/.+\\.png$"
},
"svg": {
"type": "string",
"minLength": 1,
"format": "uri-reference",
"pattern": "^https://raw\\.githubusercontent\\.com/cosmos/chain-registry/master/(|testnets/|_non-cosmos/)[a-z0-9]+/images/.+\\.svg$"
},
"theme": {
"type": "object",
"properties": {
"primary_color_hex": {
"type": "string",
"minLength": 1,
"pattern": "^#([0-9a-fA-F]{6}|[0-9a-fA-F]{8})$"
},
"background_color_hex": {
"type": "string",
"minLength": 1,
"pattern": "^(#([0-9a-fA-F]{6}|[0-9a-fA-F]{8})|none)$"
},
"circle": {
"type": "boolean"
},
"dark_mode": {
"type": "boolean"
},
"monochrome": {
"type": "boolean"
}
},
"minProperties": 1,
"additionalProperties": false
}
},
"anyOf": [
{
"required": [ "png" ]
},
{
"required": [ "svg" ]
}
],
"additionalProperties": false
}
},
"logo_URIs": {
"type": "object",
"properties": {
"png": {
"type": "string",
"minLength": 1,
"format": "uri-reference",
"pattern": "^https://raw\\.githubusercontent\\.com/cosmos/chain-registry/master/(|testnets/|_non-cosmos/)[a-z0-9]+/images/.+\\.png$"
},
"svg": {
"type": "string",
"minLength": 1,
"format": "uri-reference",
"pattern": "^https://raw\\.githubusercontent\\.com/cosmos/chain-registry/master/(|testnets/|_non-cosmos/)[a-z0-9]+/images/.+\\.svg$"
}
},
"additionalProperties": false
},
"description": {
"type": "string",
"minLength": 1,
"maxLength": 3000
},
"peers": {
"type": "object",
"properties": {
"seeds": {
"type": "array",
"items": {
"$ref": "#/$defs/peer"
}
},
"persistent_peers": {
"type": "array",
"items": {
"$ref": "#/$defs/peer"
}
}
},
"additionalProperties": false
},
"apis": {
"type": "object",
"properties": {
"rpc": {
"type": "array",
"items": {
"$ref": "#/$defs/endpoint"
}
},
"rest": {
"type": "array",
"items": {
"$ref": "#/$defs/endpoint"
}
},
"grpc": {
"type": "array",
"items": {
"$ref": "#/$defs/endpoint"
}
},
"wss": {
"type": "array",
"items": {
"$ref": "#/$defs/endpoint"
}
},
"grpc-web": {
"type": "array",
"items": {
"$ref": "#/$defs/endpoint"
}
},
"evm-http-jsonrpc": {
"type": "array",
"items": {
"$ref": "#/$defs/endpoint"
}
}
},
"additionalProperties": false
},
"explorers": {
"type": "array",
"items": {
"$ref": "#/$defs/explorer"
}
},
"keywords": {
"type": "array",
"maxContains": 20,
"items": {
"type": "string",
"minLength": 1
}
},
"extra_codecs": {
"type": "array",
"items": {
"type": "string",
"minLength": 1,
"enum": [ "ethermint", "injective" ],
"uniqueItems": true
}
}
},
"additionalProperties": false,
"$defs": {
"peer": {
"type": "object",
"required": [ "id", "address" ],
"properties": {
"id": {
"type": "string",
"minLength": 1
},
"address": {
"type": "string",
"minLength": 1
},
"provider": {
"type": "string",
"minLength": 1
}
},
"additionalProperties": false
},
"endpoint": {
"type": "object",
"required": [ "address" ],
"properties": {
"address": {
"type": "string",
"minLength": 1
},
"provider": {
"type": "string",
"minLength": 1
},
"archive": {
"type": "boolean",
"default": false
}
},
"additionalProperties": false
},
"explorer": {
"type": "object",
"properties": {
"kind": {
"type": "string",
"minLength": 1
},
"url": {
"type": "string",
"minLength": 1
},
"tx_page": {
"type": "string",
"minLength": 1
},
"account_page": {
"type": "string",
"minLength": 1
},
"validator_page": {
"type": "string",
"minLength": 1
},
"proposal_page": {
"type": "string",
"minLength": 1
},
"block_page": {
"type": "string",
"minLength": 1
}
},
"additionalProperties": false
},
"fee_token": {
"type": "object",
"required": [ "denom" ],
"properties": {
"denom": {
"type": "string",
"minLength": 1
},
"fixed_min_gas_price": {
"type": "number"
},
"low_gas_price": {
"type": "number"
},
"average_gas_price": {
"type": "number"
},
"high_gas_price": {
"type": "number"
},
"gas_costs": {
"type": "object",
"properties": {
"cosmos_send": {
"type": "number"
},
"ibc_transfer": {
"type": "number"
}
},
"additionalProperties": false,
"minProperties": 1
}
},
"additionalProperties": false
},
"staking_token": {
"type": "object",
"required": [ "denom" ],
"properties": {
"denom": {
"type": "string",
"minLength": 1
}
},
"additionalProperties": false
},
"repo": {
"type": "string",
"format": "uri",
"minLength": 1,
"description": "URL of the code repository."
},
"version": {
"type": "string",
"minLength": 1,
"pattern": "^v?\\d+(\\.\\d+){0,2}$",
"description": "Simple version string (e.g., 'v1.0.0')."
},
"tag": {
"type": "string",
"minLength": 1,
"pattern": "^v?\\d+(\\.\\d+){0,2}(-[\\w\\.\\-]+)?$",
"description": "Detailed version identifier (e.g., 'v1.0.0-a1s2f43g')."
},
"sdk": {
"type": "object",
"required": [ "type" ],
"minProperties": 1,
"additionalProperties": false,
"properties": {
"type": {
"type": "string",
"minLength": 1,
"enum": ["cosmos", "penumbra", "other"]
},
"version": {
"$ref": "#/$defs/version"
},
"repo": {
"$ref": "#/$defs/repo"
},
"tag": {
"$ref": "#/$defs/tag"
}
}
},
"ibc": {
"type": "object",
"required": [ "type" ],
"minProperties": 1,
"additionalProperties": false,
"properties": {
"type": {
"type": "string",
"minLength": 1,
"enum": ["go", "rust", "other"]
},
"version": {
"$ref": "#/$defs/version"
},
"repo": {
"$ref": "#/$defs/repo"
},
"tag": {
"$ref": "#/$defs/tag"
},
"ics_enabled": {
"type": "array",
"description": "List of IBC apps (usually corresponding to a ICS standard) which have been enabled on the network.",
"items": {
"type": "string",
"minLength": 1,
"description": "IBC app or ICS standard.",
"enum": [ "ics20-1", "ics27-1", "mauth" ]
}
}
}
},
"cosmwasm": {
"type": "object",
"minProperties": 1,
"additionalProperties": false,
"properties": {
"version": {
"$ref": "#/$defs/version"
},
"repo": {
"$ref": "#/$defs/repo"
},
"tag": {
"$ref": "#/$defs/tag"
},
"enabled": {
"type": "boolean"
},
"path": {
"type": "string",
"minLength": 1,
"description": "Relative path to the cosmwasm directory. ex. $HOME/.juno/data/wasm",
"pattern": "^\\$HOME.*$"
}
}
},
"consensus": {
"type": "object",
"required": [ "type" ],
"properties": {
"type": {
"type": "string",
"minLength": 1,
"enum": [ "tendermint", "cometbft", "sei-tendermint" ]
},
"version": {
"$ref": "#/$defs/version"
},
"repo": {
"$ref": "#/$defs/repo"
},
"tag": {
"$ref": "#/$defs/tag"
}
},
"additionalProperties": false
},
"language": {
"type": "object",
"required": [ "type" ],
"minProperties": 1,
"additionalProperties": false,
"properties": {
"type": {
"type": "string",
"minLength": 1,
"enum": ["go", "rust", "solidity", "other"]
},
"version": {
"$ref": "#/$defs/version"
},
"repo": {
"$ref": "#/$defs/repo"
},
"tag": {
"$ref": "#/$defs/tag"
}
}
},
"binaries": {
"type": "object",
"minProperties": 1,
"additionalProperties": false,
"properties": {
"linux/amd64": {
"type": "string",
"minLength": 1,
"format": "uri"
},
"linux/arm64": {
"type": "string",
"minLength": 1,
"format": "uri"
},
"darwin/amd64": {
"type": "string",
"minLength": 1,
"format": "uri"
},
"darwin/arm64": {
"type": "string",
"minLength": 1,
"format": "uri"
},
"windows/amd64": {
"type": "string",
"minLength": 1,
"format": "uri"
},
"windows/arm64": {
"type": "string",
"minLength": 1,
"format": "uri"
}
}
},
"pointer": {
"type": "object",
"description": "The (primary) key used to identify an object within the Chain Registry.",
"required": [ "chain_name" ],
"properties": {
"chain_name": {
"type": "string",
"minLength": 1,
"description": "The chain name or platform from which the object resides. E.g., 'cosmoshub', 'ethereum', 'forex', or 'nasdaq'"
},
"base_denom": {
"type": "string",
"minLength": 1,
"description": "The base denom of the asset from which the object originates. E.g., when describing ATOM from Cosmos Hub, specify 'uatom', NOT 'atom' nor 'ATOM'; base units are unique per platform."
}
},
"additionalProperties": false
}
},
"allOf": [
{
"if": {
"properties": {
"chain_type": {
"const": "cosmos"
}
}
},
"then": {
"required": [ "bech32_prefix" ]
}
},
{
"if": {
"properties": {
"chain_type": {
"enum": [ "cosmos", "eip155" ]
}
}
},
"then": {
"required": [ "chain_id" ]
}
}
]
}