{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/hedera/refs/heads/main/json-schema/ContractCallRequest.json",
  "title": "ContractCallRequest",
  "type": "object",
  "properties": {
    "block": {
      "description": "Hexadecimal block number or the string \"latest\", \"pending\", \"earliest\". Defaults to \"latest\".",
      "example": "latest",
      "pattern": "^((0x)?[0-9a-fA-F]+|(earliest|pending|latest))$",
      "type": [
        "string",
        "null"
      ]
    },
    "data": {
      "description": "Hexadecimal method signature and encoded parameters. Up to 131072 bytes as at most 262146 hexadecimal digits including optional leading 0x.",
      "example": "0x47f1aae7",
      "format": "binary",
      "maxLength": 262146,
      "pattern": "^(0x)?[0-9a-fA-F]+$",
      "type": [
        "string",
        "null"
      ]
    },
    "estimate": {
      "description": "Whether gas estimation is called. Defaults to false.",
      "example": true,
      "type": [
        "boolean",
        "null"
      ]
    },
    "from": {
      "description": "The 20-byte hexadecimal EVM address the transaction is sent from.",
      "example": "00000000000000000000000000000000000004e2",
      "format": "binary",
      "maxLength": 42,
      "minLength": 40,
      "pattern": "^(0x)?[A-Fa-f0-9]{40}$",
      "type": [
        "string",
        "null"
      ]
    },
    "gas": {
      "description": "Gas provided for the transaction execution. Defaults to 15000000.",
      "example": 15000000,
      "format": "int64",
      "minimum": 0,
      "type": [
        "integer",
        "null"
      ]
    },
    "gasPrice": {
      "description": "Gas price used for each paid gas.",
      "example": 100000000,
      "format": "int64",
      "minimum": 0,
      "type": [
        "integer",
        "null"
      ]
    },
    "to": {
      "description": "The 20-byte hexadecimal EVM address the transaction is directed to.",
      "example": "0xd9d0c5c0ff85758bdf05a7636f8036d4d065f5b6",
      "format": "binary",
      "maxLength": 42,
      "minLength": 40,
      "pattern": "^(0x)?[A-Fa-f0-9]{40}$",
      "type": "string"
    },
    "value": {
      "description": "Value sent with this transaction. Defaults to 0.",
      "example": 0,
      "format": "int64",
      "minimum": 0,
      "type": [
        "integer",
        "null"
      ]
    }
  },
  "required": [
    "to"
  ]
}