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

apiKeystringRequiredDefaults to docs-demo

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