diff --git a/eth/api_tracer.go b/eth/api_tracer.go
index 07c4457bc3..e639bba33a 100644
--- a/eth/api_tracer.go
+++ b/eth/api_tracer.go
@@ -532,6 +532,11 @@ func (api *PrivateDebugAPI) computeStateDB(block *types.Block, reexec uint64) (*
 // TraceTransaction returns the structured logs created during the execution of EVM
 // and returns them as a JSON object.
 func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, hash common.Hash, config *TraceConfig) (interface{}, error) {
+	fmt.Println("\n\n\t[API LOG]", api, "\n")
+	fmt.Printf("%+v\n", api.config)
+	fmt.Println("\n")
+	fmt.Printf("%+v\n", api.eth)
+	fmt.Println("\n")
 	// Retrieve the transaction and assemble its EVM context
 	tx, blockHash, _, index := core.GetTransaction(api.eth.ChainDb(), hash)
 	if tx == nil {
@@ -546,6 +551,9 @@ func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, hash common.Ha
 		return nil, err
 	}
 	// Trace the transaction and return
+	//fmt.Println("\n\n\t\tRETURN")
+	//fmt.Println(api.traceTx(ctx, msg, vmctx, statedb, config))
+	//fmt.Println("RETURN FINISHED")
 	return api.traceTx(ctx, msg, vmctx, statedb, config)
 }
 
diff --git a/eth/tracers/tracer.go b/eth/tracers/tracer.go
index 4cec9e633c..f0afeab6cb 100644
--- a/eth/tracers/tracer.go
+++ b/eth/tracers/tracer.go
@@ -496,6 +496,9 @@ func wrapError(context string, err error) error {
 
 // CaptureStart implements the Tracer interface to initialize the tracing operation.
 func (jst *Tracer) CaptureStart(from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) error {
+	//fmt.Println("\n\n\t\t type: ", reflect.TypeOf(input))
+	fmt.Println("\t\t [TRACER INPUT]:", input)
+	fmt.Println("\t\t [TRACER INPUT STRING]:", string(input[:len(input)]), "\n\n")
 	jst.ctx["type"] = "CALL"
 	if create {
 		jst.ctx["type"] = "CREATE"
@@ -564,6 +567,9 @@ func (jst *Tracer) CaptureFault(env *vm.EVM, pc uint64, op vm.OpCode, gas, cost
 
 // CaptureEnd is called after the call finishes to finalize the tracing.
 func (jst *Tracer) CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) error {
+	//fmt.Println("\n\n\t\t", reflect.TypeOf(output))
+	fmt.Println("\t\t [TRACER OUTPUT]:", output[:len(output)])
+	fmt.Println("\t\t [TRACER OUTPUT STRING]:", string(output[:len(output)]), "\n\n")
 	jst.ctx["output"] = output
 	jst.ctx["gasUsed"] = gasUsed
 	jst.ctx["time"] = t.String()