trace_get | 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_get", 6 "params": [ 7 "0x17104ac9d3312d8c136b7f44d4b8b47852618065ebfa534bd2d3b5ef218ca1f3", 8 [ 9 "0x0" 10 ] 11 ], 12 "id": 1 13 }'

1 { 2 "result": { 3 "jsonrpc": "2.0", 4 "id": 0, 5 "result": { 6 "action": { 7 "callType": "call", 8 "from": "0x1c39ba39e4735cb65978d4db400ddd70a72dc750", 9 "gas": "0x13e99", 10 "input": "0x16c72721", 11 "to": "0x2bd2326c993dfaef84f696526064ff22eba5b362", 12 "value": "0x0" 13 }, 14 "blockHash": "0x7eb25504e4c202cf3d62fd585d3e238f592c780cca82dacb2ed3cb5b38883add", 15 "blockNumber": 3068185, 16 "result": { 17 "gasUsed": "0x183", 18 "output": "0x0000000000000000000000000000000000000000000000000000000000000001" 19 }, 20 "subtraces": 0, 21 "traceAddress": [ 22 "0x0" 23 ], 24 "transactionHash": "0x17104ac9d3312d8c136b7f44d4b8b47852618065ebfa534bd2d3b5ef218ca1f3", 25 "transactionPosition": 2, 26 "type": "call" 27 } 28 }, 29 "jsonrpc": "2.0", 30 "id": "1" 31 }

Returns the trace at a given position for a transaction.

Path parameters

apiKeystringRequired

Request

This endpoint expects an object.

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

Transaction hash.

traceIndexeslist of stringsRequired

Array of trace index positions (in hex) to retrieve from the transaction.

Response

Returns the trace object corresponding to the provided index(es).

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