41 lines
1.1 KiB
Nim
41 lines
1.1 KiB
Nim
import
|
|
json, strutils,
|
|
eth_common, stint, byteutils,
|
|
../vm_types, memory, stack
|
|
|
|
proc initTrace(t: var TransactionTracer) =
|
|
t.trace = newJObject()
|
|
t.trace["structLogs"] = newJArray()
|
|
|
|
proc traceOpCodeStarted*(t: var TransactionTracer, c: BaseComputation, op: string) =
|
|
if unlikely t.trace.isNil:
|
|
t.initTrace()
|
|
|
|
let j = newJObject()
|
|
t.trace["structLogs"].add(j)
|
|
|
|
j["op"] = %op.toUpperAscii
|
|
j["pc"] = %(c.code.pc - 1)
|
|
j["depth"] = %1 # stub
|
|
j["gas"] = %c.gasMeter.gasRemaining
|
|
t.gasRemaining = c.gasMeter.gasRemaining
|
|
|
|
# log stack
|
|
let st = newJArray()
|
|
for v in c.stack.values:
|
|
st.add(%v.dumpHex())
|
|
j["stack"] = st
|
|
# log memory
|
|
let mem = newJArray()
|
|
const chunkLen = 32
|
|
let numChunks = c.memory.len div chunkLen
|
|
for i in 0 ..< numChunks:
|
|
mem.add(%c.memory.bytes.toOpenArray(i * chunkLen, (i + 1) * chunkLen - 1).toHex())
|
|
j["memory"] = mem
|
|
# TODO: log storage
|
|
|
|
proc traceOpCodeEnded*(t: var TransactionTracer, c: BaseComputation) =
|
|
let j = t.trace["structLogs"].elems[^1]
|
|
j["gasCost"] = %(t.gasRemaining - c.gasMeter.gasRemaining)
|
|
|