오웬
3c62adcfe0
fix: prevent index out of range during call trace ( #7951 )
...
Previously the call tracer failed on this Ethereum transaction
[0xecfc724f75e39fa9e882ec44a4d0985e099b7a3ac9415466196128770def5bc2](https://etherscan.io/tx/0xecfc724f75e39fa9e882ec44a4d0985e099b7a3ac9415466196128770def5bc2 )
Querying with this request
```shell
curl http://localhost:8545 -X POST -H "Content-Type: application/json" --data '{"method":"debug_traceTransaction","params":["0xecfc724f75e39fa9e882ec44a4d0985e099b7a3ac9415466196128770def5bc2", {"tracer": "callTracer", "tracerConfig": {"withLog": true}}],"id":1,"jsonrpc":"2.0"}
```
Resulted in this response
```json
{"jsonrpc":"2.0","id":1,"result":null,"error":{"code":-32000,"message":"method handler crashed"}}
```
With this error message in the console:
`RPC method debug_traceTransaction crashed: runtime error: index out of
range [-1]
[service.go:217 panic.go:884 panic.go:113 call.go:177 interpreter.go:234
interpreter.go:262 evm.go:55 evm.go:260 evm.go:303 instructions.go:800
interpreter.go:304 evm.go:55 evm.go:260 evm.go:283
state_transition.go:382 state_transition.go:186 tracing.go:206
tracing.go:263 value.go:584 value.go:368 service.go:222 handler.go:511
handler.go:444 handler.go:392 handler.go:223 handler.go:316
asm_arm64.s:1172]`
2023-08-02 08:09:28 +07:00