trace_transaction | Alchemy Docs

1 curl -X POST https://eth-mainnet.g.alchemy.com/v2/{apiKey} \ 2 -H "Content-Type: application/json" \ 3 -d '{ 4 "jsonrpc": "2.0", 5 "method": "trace_transaction", 6 "params": [ 7 "0x8fc90a6c3ee3001cdcbbb685b4fbe67b1fa2bec575b15b0395fea5540d0901ae" 8 ], 9 "id": 1 10 }'

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": "0x83806d539d4ea1c140489a06660319c9a303f874", 14 "gas": "0x1a1f8", 15 "input": "0x", 16 "to": "0x1c39ba39e4735cb65978d4db400ddd70a72dc750", 17 "value": "0x7a16c911b4d00000" 18 }, 19 "blockHash": "0x7eb25504e4c202cf3d62fd585d3e238f592c780cca82dacb2ed3cb5b38883add", 20 "blockNumber": 3068185, 21 "result": { 22 "gasUsed": "0x2982", 23 "output": "0x" 24 }, 25 "subtraces": 2, 26 "traceAddress": [], 27 "transactionHash": "0x17104ac9d3312d8c136b7f44d4b8b47852618065ebfa534bd2d3b5ef218ca1f3", 28 "transactionPosition": 2, 29 "type": "call" 30 } 31 }, 32 { 33 "name": "trace item", 34 "value": { 35 "action": { 36 "callType": "call", 37 "from": "0x1c39ba39e4735cb65978d4db400ddd70a72dc750", 38 "gas": "0x13e99", 39 "input": "0x16c72721", 40 "to": "0x2bd2326c993dfaef84f696526064ff22eba5b362", 41 "value": "0x0" 42 }, 43 "blockHash": "0x7eb25504e4c202cf3d62fd585d3e238f592c780cca82dacb2ed3cb5b38883add", 44 "blockNumber": 3068185, 45 "result": { 46 "gasUsed": "0x183", 47 "output": "0x0000000000000000000000000000000000000000000000000000000000000001" 48 }, 49 "subtraces": 0, 50 "traceAddress": [ 51 "0x0" 52 ], 53 "transactionHash": "0x17104ac9d3312d8c136b7f44d4b8b47852618065ebfa534bd2d3b5ef218ca1f3", 54 "transactionPosition": 2, 55 "type": "call" 56 } 57 } 58 ] 59 } 60 }

Returns all traces of a given transaction.

Path parameters

apiKeystringRequired

Request

This endpoint expects an object.

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

32 Bytes - Hash of a transaction.

Response

Returns an array of trace objects for the given transaction.

actionobject or null

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

blockNumberinteger or null

resultobject or null

subtracesinteger or null

traceAddresslist of strings or null

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

transactionPositioninteger or null

typestring or null