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POST
/
evm
ots_getBlockDetails
curl --request POST \
  --url https://hyperliquid-mainnet.core.chainstack.com/4f8d8f4040bdacd1577bff8058438274/evm \
  --header 'Content-Type: application/json' \
  --data '{
  "jsonrpc": "2.0",
  "method": "ots_getBlockDetails",
  "params": [
    1000
  ],
  "id": 1
}'
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "block": {
      "number": "0x3e8",
      "hash": "0xe8399bf41516f5ca663c79bc30db02b4989385c2f3a96f42958dea5753cbf4a9"
    },
    "transactions": []
  }
}
The ots_getBlockDetails JSON-RPC method retrieves expanded block details by block number on the Hyperliquid EVM blockchain. This Otterscan-specific method provides a tailored response for block detail pages in block explorers, including calculated total fees and other aggregated information.
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​
Parameters

  1. block number (integer, required): The block number to retrieve details for

​
Response

The method returns an enhanced block object with additional calculated fields.

​
Response structure

  • block — standard block object with all transactions
    • number — the block number
    • hash — the block hash
    • parentHash — the parent block hash
    • timestamp — Unix timestamp of the block
    • gasLimit — maximum gas allowed in the block
    • gasUsed — total gas used by all transactions
    • miner — address that mined/validated the block
    • baseFeePerGas — base fee per gas (post-EIP-1559)
    • transactions — array of transaction objects
    • transactionCount — number of transactions in the block
  • issuance — block reward issuance information
    • blockReward — reward for mining the block
    • uncleReward — rewards for uncle blocks
    • issuance — total new ETH issued
  • totalFees — total transaction fees collected in the block (in wei)

​
Usage example

Shell
curl -X POST https://hyperliquid-mainnet.core.chainstack.com/4f8d8f4040bdacd1577bff8058438274/evm \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "ots_getBlockDetails",
    "params": [1000],
    "id": 1
  }'

​
Example response

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "block": {
      "number": "0x3e8",
      "hash": "0xe8399bf41516f5ca663c79bc30db02b4989385c2f3a96f42958dea5753cbf4a9",
      "parentHash": "0x7c8f6a0e4d3b2a1c9e5f8b7d4a6c3e9f2b8d5a7c1e4f9b3a6d8c2e5f7a9b4c6d",
      "timestamp": "0x6734e8d0",
      "gasLimit": "0x1c9c380",
      "gasUsed": "0x5208",
      "miner": "0x0000000000000000000000000000000000000000",
      "baseFeePerGas": "0x7",
      "transactions": [
        {
          "hash": "0xf94f3d2ed5b59aefb6a0e566af8e86552014d84f6ed2f38a1366dedffe723381",
          "from": "0x1234567890abcdef1234567890abcdef12345678",
          "to": "0x5555555555555555555555555555555555555555",
          "value": "0xde0b6b3a7640000",
          "gas": "0x5208",
          "gasPrice": "0x3b9aca00"
        }
      ],
      "transactionCount": 1
    },
    "issuance": {
      "blockReward": "0x0",
      "uncleReward": "0x0",
      "issuance": "0x0"
    },
    "totalFees": "0x1236efcbcbb340"
  }
}

​
Use cases

The ots_getBlockDetails method is essential for:
  • Block explorers: Display comprehensive block information pages
  • Fee analysis: Calculate and display total fees collected in blocks
  • Mining analytics: Track block rewards and issuance
  • Network monitoring: Monitor block production and transaction throughput
  • Historical analysis: Study block characteristics over time
  • Gas price tracking: Analyze gas usage and pricing trends
  • MEV analysis: Calculate MEV extraction by comparing fees
  • Validator performance: Track validator rewards and efficiency
  • Chain analytics: Generate statistics about block utilization
  • Research tools: Analyze blockchain economics and fee markets
This method provides all the information needed to create detailed block explorer pages, eliminating the need for multiple API calls to gather block data.

Body

application/json
​
jsonrpc
enum<string>
default:2.0
required

JSON-RPC version

Available options:
2.0
​
method
enum<string>
default:ots_getBlockDetails
required

The RPC method name

Available options:
ots_getBlockDetails
​
params
any[]
required

Parameters: [block number]

​
id
integer
default:1
required

Request identifier

Response

200 - application/json

Successful response with detailed block information

​
jsonrpc
string

JSON-RPC version

​
id
integer

Request identifier

​
result
object

Detailed block information