Traces

Traces keep track of the actions that modify the internal state of the EVM.

Typically, trace_id for traces are unique, unless there are duplicate transactions on the blockchain.

Refer to for more information and examples.

Table Columns

Column Name	Description
transaction_hash	Unique identifier of the transaction that contains this trace.
transaction_index	The position of this transaction in the block that it belongs to. The first transaction has index 0.
from_address	The address of the sending party of this trace.
to_address	The address of the receiving party of this trace (null for contract creation).
value	The amount of ether moved from the from_address to to_address.
input	The bytecode of the call that is made to another smart contract.
output	The bytecode answer the smart contract that was called gives back.
trace_type	The value of the method such as call, create, create2, suicide.
call_type	The type of method such as call, delegatecall, staticcall. Learn more here.
reward_type	Populated when trace_type =reward. Possible values: block, uncle
gas	Gas provided with the trace call, in wei.
gas_used	The amount of gas consumed, in wei.
subtraces	Number of children traces.
trace_address	The address of the trace within the call graph. More detail to come soon.
error	Human readable developer error message. Examples: "Out of gas", "Reverted", "Bad instruction", "Bad jump destination"
status	Success status of the trace. Either 1 (success) or 0 (failure).
block_timestamp	The time when the block that contains this trace was included on the blockchain.
block_number	The length of the chain, in blocks.
block_hash	Unique identifier of the block that includes this trace.
trace_id	Unique identifier for this trace. Generated by combining the trace_type, transaction_hash and trace_address.
selector	Selector of the txn.
_created_at	Timestamp of the entry creation.
_updated_at	Timestamp of the entry update.