trace_filter | Alchemy Docs

1 import requests 2 3 url = "https://eth-mainnet.g.alchemy.com/v2/:apiKey" 4 5 payload = { "0": { 6 "fromBlock": "0xc26f54", 7 "toBlock": "0xc26f54", 8 "fromAddress": ["0x15dce17509846b420b1f5c158fe3d7518204abb6"], 9 "toAddress": ["0x15dce17509846b420b1f5c158fe3d7518204abb6"], 10 "after": "0x0", 11 "count": 10 12 } } 13 headers = {"Content-Type": "application/json"} 14 15 response = requests.post(url, json=payload, headers=headers) 16 17 print(response.json())

1 { 2 "jsonrpc": "2.0", 3 "id": "1", 4 "result": { 5 "jsonrpc": "2.0", 6 "id": 0, 7 "result": [ 8 { 9 "name": "trace item", 10 "value": { 11 "action": { 12 "callType": "call", 13 "from": "0x15dce17509846b420b1f5c158fe3d7518204abb6", 14 "gas": "0xed2a4", 15 "input": "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" 16 }, 17 "blockHash": "0xe0583a364c20fa67748ca92e276df63919c67e12fdc9bdbc17deae8cf730cf35", 18 "blockNumber": "12742484", 19 "result": { 20 "gasUsed": "0x4551d", 21 "output": "0x00000000000000000000000000000000000000000000000000d96b96f61c5e87", 22 "subtraces": 12, 23 "traceAddress": [], 24 "transactionHash": "0x87951d0547018db2c4817282a53e2015d91934b42d1b8d8bba1bef7cb480f263", 25 "transactionPosition": "0", 26 "type": "call" 27 } 28 } 29 }, 30 { 31 "name": "trace item", 32 "value": { 33 "action": { 34 "callType": "call", 35 "from": "0x000000000000abe945c436595ce765a8a261317b", 36 "gas": "0xe87a4", 37 "input": "0x70a08231000000000000000000000000000000000000abe945c436595ce765a8a261317b", 38 "to": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2", 39 "value": "0x0" 40 }, 41 "blockHash": "0xe0583a364c20fa67748ca92e276df63919c67e12fdc9bdbc17deae8cf730cf35", 42 "blockNumber": "12742484", 43 "result": { 44 "gasUsed": "0x4551d", 45 "output": "0x00000000000000000000000000000000000000000000000000d96b96f61c5e87", 46 "subtraces": 12, 47 "traceAddress": [], 48 "transactionHash": "0x87951d0547018db2c4817282a53e2015d91934b42d1b8d8bba1bef7cb480f263", 49 "transactionPosition": "0", 50 "type": "call" 51 } 52 } 53 } 54 ] 55 } 56 }

Returns traces matching a given filter.

Path parameters

apiKeystringRequired

Request

This endpoint expects an object.

filterobjectRequired

Filter object for retrieving traces.

Response

Returns an array of traces that match the filter.

actionobject or null

blockHashstring or nullformat: "^0[xX][0-9A-Fa-f]{64}$"

blockNumberstring or null

resultobject or null