To use the eth_getUncleCountByBlockHash method on the Avalanche C-Chain, ensure that the end of your URL includes ext/bc/C/rpc.

Parameters

hash

string

REQUIRED

The hash of the block to get uncles for.

Returns

uncles

string

The integer value of the number of uncles in the block encoded as hexadecimal.

Request

1
curl https://docs-demo.avalanche-mainnet.quiknode.pro \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  --data '{
5
  "method": "eth_getUncleCountByBlockHash",
6
  "params": [
7
    "0x3e56c97d34f03b1369c351fa6c9f57c8bfa987c7da40964fab981303e0ef5849"
8
  ],
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  "id": 1,
10
  "jsonrpc": "2.0"
11
}'
12

1
curl https://docs-demo.avalanche-mainnet.quiknode.pro \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  --data '{
5
  "method": "eth_getUncleCountByBlockHash",
6
  "params": [
7
    "0x3e56c97d34f03b1369c351fa6c9f57c8bfa987c7da40964fab981303e0ef5849"
8
  ],
9
  "id": 1,
10
  "jsonrpc": "2.0"
11
}'
12

1
import { ethers } from "ethers";
2
(async () => {
3
  const provider = new ethers.JsonRpcProvider(
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    "https://docs-demo.avalanche-mainnet.quiknode.pro"
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  );
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  const uncleCount = await provider.send("eth_getUncleCountByBlockHash", [
7
    "0x829df9bb801fc0494abf2f443423a49ffa32964554db71b098d332d87b70a48b",
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  ]);
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  console.log(uncleCount);
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})();
11

1
import { ethers } from "ethers";
2
(async () => {
3
  const provider = new ethers.JsonRpcProvider(
4
    "https://docs-demo.avalanche-mainnet.quiknode.pro"
5
  );
6
  const uncleCount = await provider.send("eth_getUncleCountByBlockHash", [
7
    "0x829df9bb801fc0494abf2f443423a49ffa32964554db71b098d332d87b70a48b",
8
  ]);
9
  console.log(uncleCount);
10
})();
11

1
from web3 import Web3, HTTPProvider
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w3 = Web3(HTTPProvider('https://docs-demo.avalanche-mainnet.quiknode.pro'))
3
print (w3.eth.get_uncle_count('0x829df9bb801fc0494abf2f443423a49ffa32964554db71b098d332d87b70a48b'))

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.avalanche-mainnet.quiknode.pro'))
3
print (w3.eth.get_uncle_count('0x829df9bb801fc0494abf2f443423a49ffa32964554db71b098d332d87b70a48b'))

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