{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/flow-blockchain/main/json-schema/account.json",
  "title": "Account",
  "description": "A Flow blockchain account with address, balance, public keys, and deployed contracts.",
  "type": "object",
  "required": ["address", "balance", "_expandable"],
  "properties": {
    "address": {
      "description": "The 8-byte address of an account.",
      "type": "string",
      "format": "hexadecimal",
      "pattern": "[a-fA-F0-9]{16}"
    },
    "balance": {
      "type": "string",
      "format": "uint64",
      "description": "Flow balance of the account."
    },
    "keys": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["index", "public_key", "signing_algorithm", "hashing_algorithm", "sequence_number", "weight", "revoked"],
        "properties": {
          "index": { "type": "string", "format": "uint64", "description": "Index of the public key." },
          "public_key": { "type": "string", "format": "hex", "description": "Hex encoded public key." },
          "signing_algorithm": {
            "type": "string",
            "enum": ["BLSBLS12381", "ECDSAP256", "ECDSASecp256k1"]
          },
          "hashing_algorithm": {
            "type": "string",
            "enum": ["SHA2_256", "SHA2_384", "SHA3_256", "SHA3_384", "KMAC128"]
          },
          "sequence_number": { "type": "string", "format": "uint64", "description": "Current account sequence number." },
          "weight": { "type": "string", "format": "uint64", "description": "Weight of the key." },
          "revoked": { "type": "boolean", "description": "Flag indicating whether the key is active or not." }
        }
      },
      "minItems": 1,
      "uniqueItems": true
    },
    "contracts": {
      "type": "object",
      "description": "A map of Cadence contract names to their Base64-encoded source code.",
      "additionalProperties": {
        "type": "string",
        "format": "byte"
      }
    },
    "_expandable": {
      "type": "object",
      "properties": {
        "keys": { "type": "string" },
        "contracts": { "type": "string" }
      }
    },
    "_links": {
      "type": "object",
      "properties": {
        "_self": { "type": "string" }
      }
    }
  }
}