Optimism API - eth_getBlockByNumber giving incorrect response

[bmalepaty]

The API query for eth_getBlockByNumber does not give correct "gas", "gas price", and "L1BlockNumber" details.
Query:
curl -X POST -H "Content-Type: application/json" --data '{"jsonrpc": "2.0", "id": 5, "method": "eth_getBlockByNumber", "params": ["0xdb58de", true]}' "https://opt-mainnet.g.alchemy.com/v2/<MY_API_ID>"

Response:
{ "jsonrpc": "2.0", "id": 5, "result": { "number": "0xdb58de", //14375134 "difficulty": "0x2", "extraData": "0xd98301090a846765746889676f312e31352e3133856c696e7578000000000000c3ab3a2a0ffb1ca35b12967d4f5efd4ee64ee06202e344c4e339859d9b71883b28c9ea423a8b08aa9ae08101fd7240dcbbf0e28ddb0796b5a8c9e358d34f69f201", "gasLimit": "0xe4e1c0", //15000000 "gasUsed": "0x3540d", //218125 //l2 gas used by tx "hash": "0x830e63c03eadc3108bf8bb7cc35cb51fd35350b73dc11a9a9cdbf2a8f3c33aad", "logsBloom": "0x00000002000400000000009000000000000000000000000404040000000000000001000000000000000000100000000000000040000020000000010000040000000000800000000800000008000000000000000000000000000004008000000010000000000000000000101000010000000000020000000000000010800800000000000000000000000000000000000000000401002000000000001000000000000000000000000000000000800001000000000000000000000000000000000000020002000000000000000000800000000000000000000000000000000000000000000000010000000000000000000400000000008000400000000000011000", "miner": "0x0000000000000000000000000000000000000000", "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000", "nonce": "0x0000000000000000", "parentHash": "0x7dba5ebb8615d4e23432ee60c952d5adde1f1edf503b39bbd92bc9ce96e62a61", "receiptsRoot": "0x51f4c4552350dcdf04b3ec837b3f256dda48e31e02fc5e6e0721164c61065578", "sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347", "size": "0x97d", "stateRoot": "0xfc4400d157b2f193862a6ceebded34d9f1723cc5b57b0419b5cecb69d5284bc7", "timestamp": "0x62ce8900", //1657702656 "totalDifficulty": "0x1b6b1bd", "transactions": [ { "hash": "0x815804d4fdf5786ff955658f21191fcdf34c7ad437d0d5f517ff83b4a97325cf", \\tx hash "blockHash": "0x830e63c03eadc3108bf8bb7cc35cb51fd35350b73dc11a9a9cdbf2a8f3c33aad", "blockNumber": "0xdb58de", //14375134 "from": "0xc6c3e4bbcdc719e7b5793a31a36937f729605c33", "gas": "0x4f294", //324244 "gasPrice": "0xf4240", //1000000 //l2gasprice "index": "0xdb58dd", //14375133 "input": "0x415565b0000000000000000000000000eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee0000000000000000000000007f5c764cbc14f9669b88837ca1490cca17c31607000000000000000000000000000000000000000000000000002386f26fc100000000000000000000000000000000000000000000000000000000000000a1045f00000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000460000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000040000000000000000000000000eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee000000000000000000000000000000000000000000000000002386f26fc100000000000000000000000000000000000000000000000000000000000000000007000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000042000000000000000000000000000000000000060000000000000000000000007f5c764cbc14f9669b88837ca1490cca17c31607000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000002c000000000000000000000000000000000000000000000000000000000000002c000000000000000000000000000000000000000000000000000000000000002a0000000000000000000000000000000000000000000000000002386f26fc1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000012556e6973776170563300000000000000000000000000000000000000000000000000000000000000002386f26fc100000000000000000000000000000000000000000000000000000000000000a1045f000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000e592427a0aece92de3edee1f18e0157c058615640000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000002b42000000000000000000000000000000000000060001f47f5c764cbc14f9669b88837ca1490cca17c31607000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000020000000000000000000000004200000000000000000000000000000000000006000000000000000000000000eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee0000000000000000000000000000000000000000000000000000000000000000869584cd0000000000000000000000003ce37278de6388532c3949ce4e886f365b14fb5600000000000000000000000000000000000000000000001f4a14c6b462ce88f1", "l1BlockNumber": "0xe6ea7d", //15133309 "l1Timestamp": "0x62ce8900", "nonce": "0x5a", //90 "queueOrigin": "sequencer", "r": "0x9ee8e6c2f2916d0cf16cbe3b1ae1d58b39f7edfdc740b39d2b72882ab6867393", "rawTransaction": "0xf907145a830f42408304f29494def1abe32c034e558cdd535791643c58a13acc10872386f26fc10000b906a8415565b0000000000000000000000000eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee0000000000000000000000007f5c764cbc14f9669b88837ca1490cca17c31607000000000000000000000000000000000000000000000000002386f26fc100000000000000000000000000000000000000000000000000000000000000a1045f00000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000460000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000040000000000000000000000000eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee000000000000000000000000000000000000000000000000002386f26fc100000000000000000000000000000000000000000000000000000000000000000007000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000042000000000000000000000000000000000000060000000000000000000000007f5c764cbc14f9669b88837ca1490cca17c31607000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000002c000000000000000000000000000000000000000000000000000000000000002c000000000000000000000000000000000000000000000000000000000000002a0000000000000000000000000000000000000000000000000002386f26fc1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000012556e6973776170563300000000000000000000000000000000000000000000000000000000000000002386f26fc100000000000000000000000000000000000000000000000000000000000000a1045f000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000e592427a0aece92de3edee1f18e0157c058615640000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000002b42000000000000000000000000000000000000060001f47f5c764cbc14f9669b88837ca1490cca17c31607000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000020000000000000000000000004200000000000000000000000000000000000006000000000000000000000000eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee0000000000000000000000000000000000000000000000000000000000000000869584cd0000000000000000000000003ce37278de6388532c3949ce4e886f365b14fb5600000000000000000000000000000000000000000000001f4a14c6b462ce88f138a09ee8e6c2f2916d0cf16cbe3b1ae1d58b39f7edfdc740b39d2b72882ab6867393a00194b4bf431dc430facd52bea4e1e00f5609cb43a3ab12d7b6951e7959c0105f", "s": "0x194b4bf431dc430facd52bea4e1e00f5609cb43a3ab12d7b6951e7959c0105f", "to": "0xdef1abe32c034e558cdd535791643c58a13acc10", "transactionIndex": "0x0", "v": "0x38", //56 "value": "0x2386f26fc10000" //10000000000000000 wei } ], "transactionsRoot": "0xf27d553d0d8dd4d0166056ec016f94e329106529a59f827fe1d7b7181ddfae7f", "uncles": [] } }

The response does not have all gas details required to calculate transaction fee. Also L1 block number as per explorer (https://optimistic.etherscan.io/batch/91177) is 15133361, but response shows 15133309.
To calculate transaction fee, "gasprice", "gasused", "l1gasprice", "l1gasused", and "l1feescalar" are required as per explorer (https://optimistic.etherscan.io/tx/0x815804d4fdf5786ff955658f21191fcdf34c7ad437d0d5f517ff83b4a97325cf). But all values are missing from the response.
The response has gas limit instead of gas used, and L1 gas details are missing

[elanh]

Hey! How are you getting this result? I'm unable to repro it based off the request you sent. Here's the request:

curl -X POST -H "Content-Type: application/json" --data '{"jsonrpc": "2.0", "id": 5, "method": "eth_getBlockByNumber", "params": ["0x1", false]}' "https://opt-mainnet.g.alchemy.com/v2/demo"

And response:

{"jsonrpc":"2.0","id":5,"result":{"number":"0x1","difficulty":"0x2","extraData":"0xd98301090a846765746889676f312e31352e3133856c696e75780000000000009c3827892825f0825a7e329b6913b84c9e4f89168350aff0939e0e6609629f2e7f07f2aeb62acbf4b16a739cab68866f4880ea406583a4b28a59d4f55dc2314e00","gasLimit":"0xe4e1c0","gasUsed":"0x3183d","hash":"0xbee7192e575af30420cae0c7776304ac196077ee72b048970549e4f08e875453","logsBloom":"0x00000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000400000000000100000000000000200000000002000000000000001000000000000000000004000000000000000000000000000040000400000100400000000000000100000000000000000000000000000020000000000000000000000000000000000000000000000001000000000000000000000100000000000000000000000000000000000000000000000000000000000000088000000080000000000010000000000000000000000000000800008000120000000000000000000000000000000002000","miner":"0x0000000000000000000000000000000000000000","mixHash":"0x0000000000000000000000000000000000000000000000000000000000000000","nonce":"0x0000000000000000","parentHash":"0x7ca38a1916c42007829c55e69d3e9a73265554b586a499015373241b8a3fa48b","receiptsRoot":"0xf4c97b1186b690ad3318f907c0cdaf46f4598f27f711a5609064b2690a767287","sha3Uncles":"0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347","size":"0x30c","stateRoot":"0xd3ac40854cd2ac17d8effeae6065cea990b04be714f7061544973feeb2f1c95f","timestamp":"0x618d8837","totalDifficulty":"0x3","transactions":["0x5e77a04531c7c107af1882d76cbff9486d0a9aa53701c30888509d4f5f2b003a"],"transactionsRoot":"0x19f5efd0d94386e72fcb3f296f1cb2936d017c37487982f76f09c591129f561f","uncles":[]}}%

You can also verify this by using the composer tool.

[bmalepaty]

Hey! How are you getting this result? I'm unable to repro it based off the request you sent. Here's the request:

curl -X POST -H "Content-Type: application/json" --data '{"jsonrpc": "2.0", "id": 5, "method": "eth_getBlockByNumber", "params": ["0x1", false]}' "https://opt-mainnet.g.alchemy.com/v2/demo"

And response:

{"jsonrpc":"2.0","id":5,"result":{"number":"0x1","difficulty":"0x2","extraData":"0xd98301090a846765746889676f312e31352e3133856c696e75780000000000009c3827892825f0825a7e329b6913b84c9e4f89168350aff0939e0e6609629f2e7f07f2aeb62acbf4b16a739cab68866f4880ea406583a4b28a59d4f55dc2314e00","gasLimit":"0xe4e1c0","gasUsed":"0x3183d","hash":"0xbee7192e575af30420cae0c7776304ac196077ee72b048970549e4f08e875453","logsBloom":"0x00000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000400000000000100000000000000200000000002000000000000001000000000000000000004000000000000000000000000000040000400000100400000000000000100000000000000000000000000000020000000000000000000000000000000000000000000000001000000000000000000000100000000000000000000000000000000000000000000000000000000000000088000000080000000000010000000000000000000000000000800008000120000000000000000000000000000000002000","miner":"0x0000000000000000000000000000000000000000","mixHash":"0x0000000000000000000000000000000000000000000000000000000000000000","nonce":"0x0000000000000000","parentHash":"0x7ca38a1916c42007829c55e69d3e9a73265554b586a499015373241b8a3fa48b","receiptsRoot":"0xf4c97b1186b690ad3318f907c0cdaf46f4598f27f711a5609064b2690a767287","sha3Uncles":"0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347","size":"0x30c","stateRoot":"0xd3ac40854cd2ac17d8effeae6065cea990b04be714f7061544973feeb2f1c95f","timestamp":"0x618d8837","totalDifficulty":"0x3","transactions":["0x5e77a04531c7c107af1882d76cbff9486d0a9aa53701c30888509d4f5f2b003a"],"transactionsRoot":"0x19f5efd0d94386e72fcb3f296f1cb2936d017c37487982f76f09c591129f561f","uncles":[]}}%

You can also verify this by using the composer tool.

"params": ["0x1", false]} - The second argument should be true - Sorry, It was a typo - Edited my query too
Composer URL

[elanh]

And which part of this response is incorrect? Looks accurate to me as far as I can tell

[bmalepaty]

1. The L1 block number is incorrect
   - As per the response, it is: "l1BlockNumber": "0xe6ea7d", which when converted to decimal would be "15133309"
   - But as per explorer, the tx hash belongs to Batch 91171 which has L1 block number of "15133361"

2. The response does not provide any transaction fee details. To calculate transaction fee, "gasprice", "gasused", "l1gasprice", "l1gasused", and "l1feescalar" are required as per explorer (https://optimistic.etherscan.io/tx/0x815804d4fdf5786ff955658f21191fcdf34c7ad437d0d5f517ff83b4a97325cf). But all values are missing from the response.
   The response has "gas limit" instead of "gas used", and L1 gas details are missing

[elanh]

hey @bmalepaty these types of questions are better for discord, feel free to join the alchemy discord here: alchemy.com/discord.

It also looks like you are referencing the response from your initial message (not the actual response from your second request here.

Can't seem to reproduce the results from the first request, however, if you re-post your question in discord someone should be able to help resolve.