eth_getBlockByNumber - Arbitrum

GET https://arb-mainnet.unifra.io/v1/{your-api-key}

Arbitrum API - Returns information about a block by block number.

Parameters

• QUANTITY|TAG - Integer of a block number, or the string "earliest", "latest" or "pending", as in the default block parameter.
• Boolean - If true it returns the full transaction objects, if false only the hashes of the transactions.

JSON

params: ["0x1b4", true];

---

Returns

Object - A block object with the following fields, or null when no block was found:

• number: QUANTITY - the block number. null when its pending block.
• hash: DATA, 32 Bytes - hash of the block. null when its pending block.
• parentHash: DATA, 32 Bytes - hash of the parent block.
• nonce: DATA, 8 Bytes - hash of the generated proof-of-work. null when its pending block.
• sha3Uncles: DATA, 32 Bytes - SHA3 of the uncles data in the block.
• logsBloom: DATA, 256 Bytes - the bloom filter for the logs of the block. null when its pending block.
• transactionsRoot: DATA, 32 Bytes - the root of the transaction trie of the block.
• stateRoot: DATA, 32 Bytes - the root of the final state trie of the block.
• receiptsRoot: DATA, 32 Bytes - the root of the receipts trie of the block.
• miner: DATA, 20 Bytes - the address of the beneficiary to whom the mining rewards were given.
• difficulty: QUANTITY - integer of the difficulty for this block.
• totalDifficulty: QUANTITY - integer of the total difficulty of the chain until this block.
• extraData: DATA - the "extra data" field of this block.
• size: QUANTITY - integer the size of this block in bytes.
• gasLimit: QUANTITY - the maximum gas allowed in this block.
• gasUsed: QUANTITY - the total used gas by all transactions in this block.
• timestamp: QUANTITY - the unix timestamp for when the block was collated.
• transactions: Array - Array of transaction objects, or 32 Bytes transaction hashes depending on the last given parameter.
• uncles: Array - Array of uncle hashes.

---

Example

Request

cURL

curl https://arb-mainnet.unifra.io/v1/your-api-key \
-X POST \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","method":"eth_getBlockByNumber","params":["0x1b4", true],"id":0}'

Postman

URL: https://arb-mainnet.unifra.io/v1/your-api-key
RequestType: POST
Body:
{
    "jsonrpc":"2.0",
    "method":"eth_getBlockByNumber",
    "params":["0x1b4", true],
    "id":0
}

Result

JSON

{
	"jsonrpc": "2.0",
	"id": 0,
	"result": {
		"number": "0x1b4",
		"difficulty": "0x4ea3f27bc",
		"extraData": "0x476574682f4c5649562f76312e302e302f6c696e75782f676f312e342e32",
		"gasLimit": "0x1388",
		"gasUsed": "0x0",
		"hash": "0xdc0818cf78f21a8e70579cb46a43643f78291264dda342ae31049421c82d21ae",
		"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
		"miner": "0xbb7b8287f3f0a933474a79eae42cbca977791171",
		"mixHash": "0x4fffe9ae21f1c9e15207b1f472d5bbdd68c9595d461666602f2be20daf5e7843",
		"nonce": "0x689056015818adbe",
		"parentHash": "0xe99e022112df268087ea7eafaf4790497fd21dbeeb6bd7a1721df161a6657a54",
		"receiptsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
		"sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
		"size": "0x220",
		"stateRoot": "0xddc8b0234c2e0cad087c8b389aa7ef01f7d79b2570bccb77ce48648aa61c904d",
		"timestamp": "0x55ba467c",
		"totalDifficulty": "0x78ed983323d",
		"transactions": [],
		"transactionsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
		"uncles": []
	}
}

🚧

The below parameter inputs do not work, please reference the section above instead.