trace_block | Alchemy Docs

1 import requests 2 3 url = "https://eth-mainnet.g.alchemy.com/v2/:apiKey" 4 5 payload = { "0": "0x2ed119" } 6 headers = {"Content-Type": "application/json"} 7 8 response = requests.post(url, json=payload, headers=headers) 9 10 print(response.json())

1 { 2 "jsonrpc": "2.0", 3 "id": "1", 4 "result": { 5 "jsonrpc": "2.0", 6 "id": 0, 7 "result": { 8 "output": "", 9 "stateDiff": "", 10 "trace": [ 11 { 12 "name": "trace item", 13 "value": { 14 "action": { 15 "callType": "call", 16 "from": "0xaa7b131dc60b80d3cf5e59b5a21a666aa039c951", 17 "gas": "0x0", 18 "input": "0x", 19 "to": "0xd40aba8166a212d6892125f079c33e6f5ca19814", 20 "value": "0x4768d7effc3fbe" 21 }, 22 "error": "", 23 "subtraces": "0", 24 "traceAddress": [], 25 "type": "call" 26 } 27 } 28 ], 29 "vmTrace": "" 30 } 31 } 32 }

Returns traces created at a given block.

Path parameters

apiKeystringRequired

Request

This endpoint expects an object.

blockIdentifierstringRequired

Block identifier as a hex string block number or one of the tags: “earliest”, “latest”, “pending”, “safe”, or “finalized”.

Response

An object containing block trace details.

outputstringOptional

stateDiffstringOptional

tracelist of objectsOptional

Array of trace objects.

vmTracestringOptional