debug_traceCall

Runs an eth_call within the context of the given block execution using the final state of parent block as the base.

Path Parameters

apiKeystringrequireddefaults to docs-demo

For higher throughput, create your own API key

Request

Transaction Objectobjectrequired

The transaction call object.

Block identifierstring or enumrequired

Block hash, block number (in hex), or block tag.

Optionsobjectoptional

Options for the call including tracer and state overrides.

Responses

200

Array of call traces.

Array of block traces.

curl --request POST \ --url https://eth-mainnet.g.alchemy.com/v2/docs-demo \ --header 'Content-Type: application/json' \ --data '{ "jsonrpc": "2.0", "id": 1, "method": "debug_traceCall", "params": [ { "type": "0x02", "from": "0xcdd37ada79f589c15bd4f8fd2083dc88e34a2af2", "to": "0xdac17f958d2ee523a2206206994597c13d831ec7", "gas": "0xb59b", "value": "0x0", "data": "0xa9059cbb000000000000000000000000b29d1cef6da3262df35fdee71a176c62687e747d000000000000000000000000000000000000000000000000000000001e3f0ccc", "nonce": "0x8eaee", "accessList": [], "maxPriorityFeePerGas": "0xb2d05e00", "maxFeePerGas": "0x1ceb1eec4" }, "0x154bd82", { "tracer": { "tracer": "callTracer", "tracerConfig": { "onlyTopCall": false } }, "stateOverrides": {} } ]}'

{ "jsonrpc": "2.0", "id": 1, "result": { "type": "CALL", "from": "0xe088776deabb472ffd2843e330e79c880a5f979e", "to": "0x70526cc7a6d6320b44122ea9d2d07670accc85a1", "value": "0x0", "gas": "0x7fffffffffffadf7", "gasUsed": "0x0", "input": "0x", "output": "0x" }}