Traces
Last updated
Last updated
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 https://github.com/Allium-Science/allium-docs/blob/main/data-faq/traces-id-and-address.md for more information and examples.
| 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
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.