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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
Aug 2, 2024

debug_traceCall RPC Method

Please note that all debug_trace methods can be used for blocks after 22207818, while arbtrace_ methods can be used on blocks prior to 22207816. Block 22207817 cannot be traced but is empty.

Parameters

object
object
The transaction call object with the following fields:
from
string
The initiating Ethereum address for the transfer, which will be null if not applicable
to
string
The address the transaction is directed to, which will be null if not applicable
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
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
object
object
REQUIRED
The tracer object with the following fields:
tracer
string
The type of tracer. It could be callTracer, prestateTracer or stylusTracer
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
An object containing detailed information about the traced transaction
beforeEVMTransfers
An array representing EVM transfers that occurred before the execution of the transaction
purpose
(Optional) The purpose of the EVM transfer
from
(Optional) The Ethereum address initiating the transfer
to
(Optional) The Ethereum address receiving the transfer
value
(Optional) The value of the transfer, specified in hexadecimal format (Wei)
afterEVMTransfers
An array representing EVM transfers that occurred after the execution of the transaction
purpose
(Optional) The purpose of the EVM transfer
from
(Optional) The Ethereum address initiating the transfer
to
(Optional) The Ethereum address receiving the transfer
value
(Optional) The value of the transfer, specified in hexadecimal format (Wei)
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
to
The address the transaction is directed to
input
The data given at the time of input
calls
A list of sub-calls, if any
value
The integer of the value sent with this transaction
type
The type of the call
Request
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curl  https://docs-demo.arbitrum-mainnet.quiknode.pro/ \
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-X POST \
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-H "Content-Type: application/json" \
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--data '{"method":"debug_traceCall","params":[{"from":null,"to":"0x16b5856dbc2f66d6dc5b361b0073f51ed5ffb52b","data":"0x727fa213619edc134b3c8b36e117a4b8e95cb5f7cd2330eab81aa241346ebe07"}, "latest", {"tracer": "callTracer"}],"id":1,"jsonrpc":"2.0"}'
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