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debug_traceCall RPC Method

Returns the number of possible tracing result by executing an eth call within the context of the given block execution (Trace Mode required).

Updated on
Nov 2, 2023

debug_traceCall RPC Method

Parameters

object
array
The transaction call object with the following fields:
from
string
The address the transaction is sent from
to
string
REQUIRED
The address the transaction is directed to
gas
integer
The integer of the gas provided for the transaction execution
gasPrice
integer
The integer of the gasPrice used for each paid gas
value
integer
The integer of the value sent with this transaction
data
string
The hash of the method signature and encoded parameters
blockReference
string
REQUIRED
The block number in hexadecimal format, the block hash, or tags. The supported tag values include earliest for the earliest/genesis block, latest for the latest mined block, pending for the pending state/transactions, safe for the most recent secure block, and finalized for the most recent secure block accepted by more than 2/3 of validators. safe and finalized are only supported on Ethereum, Gnosis, Arbitrum, Arbitrum Nova, and Avalanche C-chain
object
array
REQUIRED
The tracer object with the following fields:
tracer
string
The type of tracer. Currently only callTracer is supported
callTracer
string
The calltracer keeps track of all call frames, including depth 0 calls, that are made during a transaction
tracerConfig
object
The object to specify the configurations of the tracer
onlyTopCall
boolean
When set to true, this will only trace the primary (top-level) call and not any sub-calls. It eliminates the additional processing for each call frame

Returns

result
object
The result object with the following fields:
calls
A list of sub-calls
error
The type of error, if any
from
The address the transaction is sent from
gas
The integer of the gas provided for the transaction execution
gasUsed
The integer of the gas used
input
The data given at the time of input
output
The data which is returned as an output
revertReason
The type solidity revert reason, if any
to
The address the transaction is directed to
type
The type of the call
value
The integer of the value sent with this transaction
Request
1
curl https://docs-demo.zksync-mainnet.quiknode.pro/ \
2
-X POST \
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-H "Content-Type: application/json" \
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--data '{"method":"debug_traceCall","params":[{ "from": "0x1111111111111111111111111111111111111111", "to":"0x2222222222222222222222222222222222222222", "data": "0xffffffff" }, "0x24b258"],"id":1,"jsonrpc":"2.0"}'
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