optimism_outputAtBlock RPC Method

Parameters

blockNumber

string

REQUIRED

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Returns

result

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version

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outputRoot

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blockRef

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hash

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number

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parentHash

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timestamp

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l1origin

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hash

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number

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sequenceNumber

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withdrawalStorageRoot

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stateRoot

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syncStatus

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current_l1

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hash

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number

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parentHash

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timestamp

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current_l1_finalized

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hash

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number

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parentHash

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timestamp

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head_l1

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hash

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number

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parentHash

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timestamp

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safe_l1

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hash

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number

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parentHash

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timestamp

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finalized_l1

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hash

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number

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parentHash

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timestamp

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unsafe_l2

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hash

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number

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parentHash

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timestamp

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l1origin

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hash

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number

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sequenceNumber

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safe_l2

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hash

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number

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parentHash

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timestamp

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l1origin

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hash

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number

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sequenceNumber

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finalized_l2

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hash

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number

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parentHash

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timestamp

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l1origin

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hash

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number

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sequenceNumber

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queued_unsafe_l2

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hash

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number

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parentHash

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timestamp

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l1origin

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hash

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number

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sequenceNumber

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engine_sync_target

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hash

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number

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parentHash

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timestamp

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l1origin

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hash

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number

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sequenceNumber

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Request

1
curl -X POST "https://docs-demo.base-mainnet.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "optimism_outputAtBlock",
6
  "params": [
7
    "0x8EE3DC"
8
  ],
9
  "id": 1
10
}'

1
curl -X POST "https://docs-demo.base-mainnet.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "optimism_outputAtBlock",
6
  "params": [
7
    "0x8EE3DC"
8
  ],
9
  "id": 1
10
}'

1
const body = {
2
    jsonrpc: '2.0',
3
    method: 'optimism_outputAtBlock',
4
    params: ["0x8EE3DC"],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.base-mainnet.quiknode.pro/', {
10
        method: 'POST',
11
        headers: {'Content-Type': 'application/json'},
12
        body: JSON.stringify(body)
13
    })
14
    const data = await response.json()
15
    console.log(data)
16
}
17

18
main()

1
const body = {
2
    jsonrpc: '2.0',
3
    method: 'optimism_outputAtBlock',
4
    params: ["0x8EE3DC"],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.base-mainnet.quiknode.pro/', {
10
        method: 'POST',
11
        headers: {'Content-Type': 'application/json'},
12
        body: JSON.stringify(body)
13
    })
14
    const data = await response.json()
15
    console.log(data)
16
}
17

18
main()

1
import requests
2
import json
3

4
url = "https://docs-demo.base-mainnet.quiknode.pro/"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "optimism_outputAtBlock",
9
  "params": [
10
    "0x8EE3DC"
11
  ],
12
  "id": 1
13
})
14
headers = {
15
  'Content-Type': 'application/json'
16
}
17

18
response = requests.request("POST", url, headers=headers, data=payload)
19

20
print(response.text)

1
import requests
2
import json
3

4
url = "https://docs-demo.base-mainnet.quiknode.pro/"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "optimism_outputAtBlock",
9
  "params": [
10
    "0x8EE3DC"
11
  ],
12
  "id": 1
13
})
14
headers = {
15
  'Content-Type': 'application/json'
16
}
17

18
response = requests.request("POST", url, headers=headers, data=payload)
19

20
print(response.text)

1
require "uri"
2
require "json"
3
require "net/http"
4

5
uri = URI("https://docs-demo.base-mainnet.quiknode.pro/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "optimism_outputAtBlock",
11
  params: ["0x8EE3DC"]
12
}
13

14
request = Net::HTTP::Post.new(uri)
15
request["Content-Type"] = "application/json"
16
request.body = JSON.generate(payload)
17

18
response = Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
19
  http.request(request)
20
end
21

22
puts response.body

1
require "uri"
2
require "json"
3
require "net/http"
4

5
uri = URI("https://docs-demo.base-mainnet.quiknode.pro/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "optimism_outputAtBlock",
11
  params: ["0x8EE3DC"]
12
}
13

14
request = Net::HTTP::Post.new(uri)
15
request["Content-Type"] = "application/json"
16
request.body = JSON.generate(payload)
17

18
response = Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
19
  http.request(request)
20
end
21

22
puts response.body

Response

1
{
2
  "jsonrpc": "2.0",
3
  "id": 1,
4
  "result": {
5
    "version": "0x0000000000000000000000000000000000000000000000000000000000000000",
6
    "outputRoot": "0xde4095bf59bdd1ea2f290d1f81d2f3ef582d02469859b67e87d61ccca7d5af0c",
7
    "blockRef": {
8
      "hash": "0xa1a6fb6dd0f322020f7e6fe6ad3ae59775fba859cca1175c75c974eb6903982c",
9
      "number": 41065299,
10
      "parentHash": "0xe33ee269321f786605f97a2020f744aa8dcf55680c07829ee4f9d175fb01f2f4",
11
      "timestamp": 1768919945,
12
      "l1origin": {
13
        "hash": "0x67e2dbeae673feb5ea9c3bef6a6f219ac6610e58ddf647259f8115218f6ee94c",
14
        "number": 24276624
15
      },
16
      "sequenceNumber": 1
17
    },
18
    "withdrawalStorageRoot": "0xf094f451b53aab4293ea324f3585c072783f9547cd45a3e1e52e31df449668b5",
19
    "stateRoot": "0xcccfd14fe0bc50e5a0160b267462c2059e96f632b3f5518fc60d52ec34704087",
20
    "syncStatus": {
21
      "current_l1": {
22
        "hash": "0xd1feb1b707a1c2eaaa98f8fff3c957a1906d19efb1766ef8770134413ca49e7a",
23
        "number": 24276643,
24
        "parentHash": "0x3a5d5e7757603159aa86f0a75d101aa0f7bb7433ebd8a416b1da8df42ad9a672",
25
        "timestamp": 1768919987
26
      },
27
      "current_l1_finalized": {
28
        "hash": "0x4a256c14ea0c523136e28bf7df71bea398c30e10e071b59427dc544bffa7bac3",
29
        "number": 24276550,
30
        "parentHash": "0x5fff63b3ff80187462b11b9b2037c9f7e19db4c3ffc5af6ec8bacc3b09ae7413",
31
        "timestamp": 1768918871
32
      },
33
      "head_l1": {
34
        "hash": "0xd1feb1b707a1c2eaaa98f8fff3c957a1906d19efb1766ef8770134413ca49e7a",
35
        "number": 24276643,
36
        "parentHash": "0x3a5d5e7757603159aa86f0a75d101aa0f7bb7433ebd8a416b1da8df42ad9a672",
37
        "timestamp": 1768919987
38
      },
39
      "safe_l1": {
40
        "hash": "0x396369a4fb93c55729ee1596448c8341f2c1172240e32e688ccefe8f133c483f",
41
        "number": 24276582,
42
        "parentHash": "0x7a24cfba5785151ec2812f0e659d80e660f426d8664b3cb724e3cbbfd94ee3f0",
43
        "timestamp": 1768919255
44
      },
45
      "finalized_l1": {
46
        "hash": "0x4a256c14ea0c523136e28bf7df71bea398c30e10e071b59427dc544bffa7bac3",
47
        "number": 24276550,
48
        "parentHash": "0x5fff63b3ff80187462b11b9b2037c9f7e19db4c3ffc5af6ec8bacc3b09ae7413",
49
        "timestamp": 1768918871
50
      },
51
      "unsafe_l2": {
52
        "hash": "0x90fb59e512a9c3e5b1625abdc06f44bfee6f5e5c0c81d97f3699a0144194197a",
53
        "number": 41065327,
54
        "parentHash": "0xe3202e272eeaf5e9c23381ee9b81a2654eb863fe1d32378d95cc16e7d8f862af",
55
        "timestamp": 1768920001,
56
        "l1origin": {
57
          "hash": "0xdfe434a58cb35f1b17890ccf3ce9705e9dc70b44b38cdf2fcc5eb254d9c630a6",
58
          "number": 24276628
59
        },
60
        "sequenceNumber": 5
61
      },
62
      "safe_l2": {
63
        "hash": "0x601c4b5f646887eca0c34477d3fe0a716bcb77e891b8755ff83e8741fbe4766e",
64
        "number": 41065289,
65
        "parentHash": "0x52627fca8e24344fa11f1e63b52494909bc45d84a1fdef9d633b6bb7a8637a4b",
66
        "timestamp": 1768919925,
67
        "l1origin": {
68
          "hash": "0x0996bc9a73c789fc47f1c73789fa4a45dd68b54d0a345abc798b2957db5e68dc",
69
          "number": 24276622
70
        },
71
        "sequenceNumber": 3
72
      },
73
      "finalized_l2": {
74
        "hash": "0x1a6a7e989709b2c20b82d4703a3f1a8ee4a743beae236fc3d1661ab8ec68d3f4",
75
        "number": 41064742,
76
        "parentHash": "0x74b2e935b444f74367e5300635528dd75bafb364ea387659f98e4c308b65bcde",
77
        "timestamp": 1768918831,
78
        "l1origin": {
79
          "hash": "0x04b22d33abbe8ef5911a6f247794b982234a8777c1dca70b403ce4447f8cc8d0",
80
          "number": 24276531
81
        },
82
        "sequenceNumber": 2
83
      },
84
      "pending_safe_l2": {
85
        "hash": "0x601c4b5f646887eca0c34477d3fe0a716bcb77e891b8755ff83e8741fbe4766e",
86
        "number": 41065289,
87
        "parentHash": "0x52627fca8e24344fa11f1e63b52494909bc45d84a1fdef9d633b6bb7a8637a4b",
88
        "timestamp": 1768919925,
89
        "l1origin": {
90
          "hash": "0x0996bc9a73c789fc47f1c73789fa4a45dd68b54d0a345abc798b2957db5e68dc",
91
          "number": 24276622
92
        },
93
        "sequenceNumber": 3
94
      },
95
      "cross_unsafe_l2": {
96
        "hash": "0x90fb59e512a9c3e5b1625abdc06f44bfee6f5e5c0c81d97f3699a0144194197a",
97
        "number": 41065327,
98
        "parentHash": "0xe3202e272eeaf5e9c23381ee9b81a2654eb863fe1d32378d95cc16e7d8f862af",
99
        "timestamp": 1768920001,
100
        "l1origin": {
101
          "hash": "0xdfe434a58cb35f1b17890ccf3ce9705e9dc70b44b38cdf2fcc5eb254d9c630a6",
102
          "number": 24276628
103
        },
104
        "sequenceNumber": 5
105
      },
106
      "local_safe_l2": {
107
        "hash": "0x601c4b5f646887eca0c34477d3fe0a716bcb77e891b8755ff83e8741fbe4766e",
108
        "number": 41065289,
109
        "parentHash": "0x52627fca8e24344fa11f1e63b52494909bc45d84a1fdef9d633b6bb7a8637a4b",
110
        "timestamp": 1768919925,
111
        "l1origin": {
112
          "hash": "0x0996bc9a73c789fc47f1c73789fa4a45dd68b54d0a345abc798b2957db5e68dc",
113
          "number": 24276622
114
        },
115
        "sequenceNumber": 3
116
      }
117
    }
118
  }
119
}

1
{
2
  "jsonrpc": "2.0",
3
  "id": 1,
4
  "result": {
5
    "version": "0x0000000000000000000000000000000000000000000000000000000000000000",
6
    "outputRoot": "0xde4095bf59bdd1ea2f290d1f81d2f3ef582d02469859b67e87d61ccca7d5af0c",
7
    "blockRef": {
8
      "hash": "0xa1a6fb6dd0f322020f7e6fe6ad3ae59775fba859cca1175c75c974eb6903982c",
9
      "number": 41065299,
10
      "parentHash": "0xe33ee269321f786605f97a2020f744aa8dcf55680c07829ee4f9d175fb01f2f4",
11
      "timestamp": 1768919945,
12
      "l1origin": {
13
        "hash": "0x67e2dbeae673feb5ea9c3bef6a6f219ac6610e58ddf647259f8115218f6ee94c",
14
        "number": 24276624
15
      },
16
      "sequenceNumber": 1
17
    },
18
    "withdrawalStorageRoot": "0xf094f451b53aab4293ea324f3585c072783f9547cd45a3e1e52e31df449668b5",
19
    "stateRoot": "0xcccfd14fe0bc50e5a0160b267462c2059e96f632b3f5518fc60d52ec34704087",
20
    "syncStatus": {
21
      "current_l1": {
22
        "hash": "0xd1feb1b707a1c2eaaa98f8fff3c957a1906d19efb1766ef8770134413ca49e7a",
23
        "number": 24276643,
24
        "parentHash": "0x3a5d5e7757603159aa86f0a75d101aa0f7bb7433ebd8a416b1da8df42ad9a672",
25
        "timestamp": 1768919987
26
      },
27
      "current_l1_finalized": {
28
        "hash": "0x4a256c14ea0c523136e28bf7df71bea398c30e10e071b59427dc544bffa7bac3",
29
        "number": 24276550,
30
        "parentHash": "0x5fff63b3ff80187462b11b9b2037c9f7e19db4c3ffc5af6ec8bacc3b09ae7413",
31
        "timestamp": 1768918871
32
      },
33
      "head_l1": {
34
        "hash": "0xd1feb1b707a1c2eaaa98f8fff3c957a1906d19efb1766ef8770134413ca49e7a",
35
        "number": 24276643,
36
        "parentHash": "0x3a5d5e7757603159aa86f0a75d101aa0f7bb7433ebd8a416b1da8df42ad9a672",
37
        "timestamp": 1768919987
38
      },
39
      "safe_l1": {
40
        "hash": "0x396369a4fb93c55729ee1596448c8341f2c1172240e32e688ccefe8f133c483f",
41
        "number": 24276582,
42
        "parentHash": "0x7a24cfba5785151ec2812f0e659d80e660f426d8664b3cb724e3cbbfd94ee3f0",
43
        "timestamp": 1768919255
44
      },
45
      "finalized_l1": {
46
        "hash": "0x4a256c14ea0c523136e28bf7df71bea398c30e10e071b59427dc544bffa7bac3",
47
        "number": 24276550,
48
        "parentHash": "0x5fff63b3ff80187462b11b9b2037c9f7e19db4c3ffc5af6ec8bacc3b09ae7413",
49
        "timestamp": 1768918871
50
      },
51
      "unsafe_l2": {
52
        "hash": "0x90fb59e512a9c3e5b1625abdc06f44bfee6f5e5c0c81d97f3699a0144194197a",
53
        "number": 41065327,
54
        "parentHash": "0xe3202e272eeaf5e9c23381ee9b81a2654eb863fe1d32378d95cc16e7d8f862af",
55
        "timestamp": 1768920001,
56
        "l1origin": {
57
          "hash": "0xdfe434a58cb35f1b17890ccf3ce9705e9dc70b44b38cdf2fcc5eb254d9c630a6",
58
          "number": 24276628
59
        },
60
        "sequenceNumber": 5
61
      },
62
      "safe_l2": {
63
        "hash": "0x601c4b5f646887eca0c34477d3fe0a716bcb77e891b8755ff83e8741fbe4766e",
64
        "number": 41065289,
65
        "parentHash": "0x52627fca8e24344fa11f1e63b52494909bc45d84a1fdef9d633b6bb7a8637a4b",
66
        "timestamp": 1768919925,
67
        "l1origin": {
68
          "hash": "0x0996bc9a73c789fc47f1c73789fa4a45dd68b54d0a345abc798b2957db5e68dc",
69
          "number": 24276622
70
        },
71
        "sequenceNumber": 3
72
      },
73
      "finalized_l2": {
74
        "hash": "0x1a6a7e989709b2c20b82d4703a3f1a8ee4a743beae236fc3d1661ab8ec68d3f4",
75
        "number": 41064742,
76
        "parentHash": "0x74b2e935b444f74367e5300635528dd75bafb364ea387659f98e4c308b65bcde",
77
        "timestamp": 1768918831,
78
        "l1origin": {
79
          "hash": "0x04b22d33abbe8ef5911a6f247794b982234a8777c1dca70b403ce4447f8cc8d0",
80
          "number": 24276531
81
        },
82
        "sequenceNumber": 2
83
      },
84
      "pending_safe_l2": {
85
        "hash": "0x601c4b5f646887eca0c34477d3fe0a716bcb77e891b8755ff83e8741fbe4766e",
86
        "number": 41065289,
87
        "parentHash": "0x52627fca8e24344fa11f1e63b52494909bc45d84a1fdef9d633b6bb7a8637a4b",
88
        "timestamp": 1768919925,
89
        "l1origin": {
90
          "hash": "0x0996bc9a73c789fc47f1c73789fa4a45dd68b54d0a345abc798b2957db5e68dc",
91
          "number": 24276622
92
        },
93
        "sequenceNumber": 3
94
      },
95
      "cross_unsafe_l2": {
96
        "hash": "0x90fb59e512a9c3e5b1625abdc06f44bfee6f5e5c0c81d97f3699a0144194197a",
97
        "number": 41065327,
98
        "parentHash": "0xe3202e272eeaf5e9c23381ee9b81a2654eb863fe1d32378d95cc16e7d8f862af",
99
        "timestamp": 1768920001,
100
        "l1origin": {
101
          "hash": "0xdfe434a58cb35f1b17890ccf3ce9705e9dc70b44b38cdf2fcc5eb254d9c630a6",
102
          "number": 24276628
103
        },
104
        "sequenceNumber": 5
105
      },
106
      "local_safe_l2": {
107
        "hash": "0x601c4b5f646887eca0c34477d3fe0a716bcb77e891b8755ff83e8741fbe4766e",
108
        "number": 41065289,
109
        "parentHash": "0x52627fca8e24344fa11f1e63b52494909bc45d84a1fdef9d633b6bb7a8637a4b",
110
        "timestamp": 1768919925,
111
        "l1origin": {
112
          "hash": "0x0996bc9a73c789fc47f1c73789fa4a45dd68b54d0a345abc798b2957db5e68dc",
113
          "number": 24276622
114
        },
115
        "sequenceNumber": 3
116
      }
117
    }
118
  }
119
}

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