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
The example used is a USDT Transfer Event to OKX.
transaction_hash
Unique identifier of the transaction that contains this trace.
0xc2a819147587c9ec17ebdfc7acf75c60c095d07450482f2578f35cf449990ee0
transaction_index
The position of this transaction in the block that it belongs to. The first transaction has index 0.
50
from_address
The address of the sending party of this trace.
0xc2132d05d31c914a87c6611c10748aeb04b58e8f
to_address
The address of the receiving party of this trace (null for contract creation).
0x7ffb3d637014488b63fb9858e279385685afc1e2
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.
0xa9059cbb00000000000000000000000006959153b974d0d5fdfd87d561db6d8d4fa0bb0b000000000000000000000000000000000000000000000000000000003507b4e3
output
The bytecode answer the smart contract that was called gives back.
0x0000000000000000000000000000000000000000000000000000000000000001
trace_type
The value of the method such as call, create, create2, suicide.
call
reward_type
Populated when trace_type =reward. Possible values: block, uncle
gas
Gas provided with the trace call, in wei.
115,689
gas_used
The amount of gas consumed, in wei.
13,238
subtraces
Number of children traces.
0
trace_address
The address of the trace within the call graph. More detail to come soon.
0
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).
1
block_timestamp
The time when the block that contains this trace was included on the blockchain.
2023-06-24 05:50:04
block_number
The length of the chain, in blocks.
44,271,890
block_hash
Unique identifier of the block that includes this trace.
0xb61b3d40d37be1ef85348fce8d31414e4b7902a3e64df5f9c8152962024cff2f
trace_id
Unique identifier for this trace. Generated by combining the trace_type, transaction_hash and trace_address.
call_0xc2a819147587c9ec17ebdfc7acf75c60c095d07450482f2578f35cf449990ee0_0
selector
Selector of the txn.
0xa9059cbb
Last updated