eth_getBlockByHash

Returns information about a block by block hash on Optimism Layer 2.

Parameters

1. Block Hash - DATA, 32 bytes

   • The hash of the block to retrieve

2. Full Transactions - BOOLEAN

   • true - Return full transaction objects
   • false - Return only transaction hashes

Returns

Block object containing all block information and transactions.

Implementation Examples

cURL

curl -X POST https://api-optimism-mainnet-archive.n.dwellir.com/YOUR_API_KEY \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "eth_getBlockByHash",
    "params": [
      "0x1d59ff54b1eb26b013ce3cb5fc9dab3705b415a67127a003c3e61eb445bb8df2",
      true
    ],
    "id": 1
  }'

JavaScript

const response = await fetch('https://api-optimism-mainnet-archive.n.dwellir.com/YOUR_API_KEY', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
    jsonrpc: '2.0',
    method: 'eth_getBlockByHash',
    params: [
      "0x1d59ff54b1eb26b013ce3cb5fc9dab3705b415a67127a003c3e61eb445bb8df2",
      true
    ],
    id: 1
  })
});

const data = await response.json();
console.log(data.result);

Response Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "number": "0x75bcd15",
    "hash": "0x1d59ff54b1eb26b013ce3cb5fc9dab3705b415a67127a003c3e61eb445bb8df2",
    "parentHash": "0x2d59ff54b1eb26b013ce3cb5fc9dab3705b415a67127a003c3e61eb445bb8df1",
    "timestamp": "0x55ba467c",
    "transactions": [...],
    "gasUsed": "0x47e7c4"
  }
}

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