schema.chain.json

{
  "$id": "https://evmos.org/schema.token.json",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "description": "Chain Registry via Evmos Governance",
  "type": "object",
  "properties": {
    "required": [
      "gasPriceStep",
      "prefix",
      "bip44"
    ],
    "prefix": {
      "type": "string",
      "description": "Chain prefix i.e. evmos"
    },
    "gasPriceStep": {
      "type": "object",
      "required": [
        "low",
        "average",
        "high"
      ],
      "properties": {
        "low": {
          "type": "string",
          "description": "Amount of gas for Low"
        },
        "average": {
          "type": "string",
          "description": "Amount of gas for Average"
        },
        "high": {
          "type": "string",
          "description": "Amount of gas for High"
        },
        "required": [
          "low",
          "medium",
          "high"
        ]
      }
    },
    "feeMarket": {
      "type": "object",
      "description": "Only applicable to EVMOS",
      "required": [
        "gas",
        "amount",
        "convert"
      ],
      "properties": {
        "gas": {
          "type": "string",
          "description": "Enter appropriate gas cost"
        },
        "amount": {
          "type": "string",
          "description": "Enter appropriate amount cost"
        },
        "convert": {
          "type": "string",
          "description": "Enter appropriate convert cost"
        }
      }
    },
    "bip44": {
      "type": "object",
      "required": [
        "coinType"
      ],
      "properties": {
        "coinType": {
          "type": "string",
          "description": "Cosmos-based chains should be 118 while EVM-based chains are coin type 60"
        }
      }
    },
    "configurations": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "chainId",
          "identifier",
          "chainName",
          "clientId",
          "rest",
          "rpc",
          "currencies",
          "source",
          "configurationType"
        ],
        "properties": {
          "chainId": {
            "type": "string",
            "description": "Chain ID should specific to the environment, i.e. Testnet and Mainnet are different"
          },
          "identifier": {
            "type": "string",
            "description": "Global identifier to be used by both client and backend as default reference for the chain"
          },
          "chainName": {
            "type": "string",
            "description": "Name of the chain specific to the environment, i.e. Evmos Testnet"
          },
          "clientId": {
            "type": "string",
            "description": "Query the 'evmosd query ibc channel client-state [port-id] [channel-id] [flags]' and copy over the client-id field"
          },
          "rpc": {
            "type": "array",
            "items": {
              "type": "string"
            },
            "description": "RPC endpoint link, usually port 1317"
          },
          "rest": {
            "type": "array",
            "items": {
              "type": "string"
            },
            "minItems": 3,
            "uniqueItems": true
          },
          "jrpc": {
            "type": "array",
            "items": {
              "type": "string"
            },
            "minItems": 3,
            "uniqueItems": true
          },
          "web3": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "currencies": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "coinDenom": {
                  "type": "string",
                  "description": "Unit of the coin or symbol, i.e. EVMOS"
                },
                "coinMinDenom": {
                  "type": "string",
                  "description": "Smallest unit of the coin, i.e. aevmos"
                },
                "coinDecimals": {
                  "type": "string",
                  "description": "Chain minimum coin denomination, i.e. aevmos"
                }
              }
            }
          },
          "source": {
            "type": "object",
            "required": [
              "sourceChannel",
              "sourceIBCDenomToEvmos",
              "destinationChannel",
              "jsonRPC"
            ],
            "properties": {
              "sourceChannel": {
                "type": "string",
                "description": "Source channel represents the third-party, i.e. Cosmos Hub side"
              },
              "sourceIBCDenomToEvmos": {
                "type": "string",
                "description": "The value is ibc/[sha256 of 'transfer/${sourceChannel}/aevmos' phrase]. This value is required to pull in EVMOS from source chain to Evmos chain."
              },
              "destinationChannel": {
                "type": "string",
                "description": "Destination channel represents the main network side, i.e. EVMOS side"
              },
              "jsonRPC": {
                "type": "array",
                "items": {
                  "type": "string"
                },
                "minItems": 1,
                "description": "Tendermint endpoint link or using port 26657"
              }
            }
          },
          "explorer": {
            "type": "array",
            "description": "Explorer is only necessary for EVMOS network. All other Cosmos chains do not require this array object to be filled out",
            "items": {
              "type": "object",
              "required": [
                "link",
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "enum": [
                    "evm",
                    "cosmos"
                  ],
                  "description": "Add the correct explorer data type"
                },
                "link": {
                  "type": "string",
                  "description": "Link to explorer"
                }
              }
            }
          },
          "configurationType": {
            "type": "string",
            "enum": [
              "mainnet",
              "testnet"
            ],
            "description": "Must select either mainnet or testnet"
          },
          "explorerTxUrl": { 
            "type": "string",
            "description": "Explorer tx URL for the chain, i.e https://www.mintscan.io/evmos/txs."
          }
        }
      }
    }
  }
}