eth_getUncleCountByBlockHash

---

Method

• JSON-RPC method name: eth_getUncleCountByBlockHash
• JSON-RPC version: 2.0

Parameters

Name	Type	Required	Description
Block hash	string	no

Parameter schema

{
  "Block hash": {
    "required": false,
    "schema": {
      "title": "32 byte hex value",
      "type": "string",
      "pattern": "^0x[0-9a-f]{64}$"
    }
  }
}

Result

• Name: Uncle count
• Type: oneOf

Result schema

{
  "oneOf": [
    {
      "title": "Not Found (null)",
      "type": "null"
    },
    {
      "title": "Uncle count",
      "type": "string",
      "pattern": "^0x([1-9a-f]+[0-9a-f]*|0)$"
    }
  ]
}

Positional parameters

Parameter order:

1. Block hash

---

Errors

This method may return JSON-RPC standard errors (e.g. -32600, -32601, -32602, -32603) as well as application-specific errors.

TODO: Document method-specific error codes and conditions.

Named Parameters

{
  "jsonrpc": "2.0",
  "method": "eth_getUncleCountByBlockHash",
  "params": {
    "Block hash": "string"
  },
  "id": 1
}

Successful Response

{
  "jsonrpc": "2.0",
  "result": "example",
  "id": 1
}

Positional Parameters

{
  "jsonrpc": "2.0",
  "method": "eth_getUncleCountByBlockHash",
  "params": [
    "string"
  ],
  "id": 2
}

Successful Response

{
  "jsonrpc": "2.0",
  "result": "example",
  "id": 2
}