feat(loadtest): track preconfs

[minhd-vu]

Description

Jira / Linear Tickets

• DVT-000

Testing

polycli loadtest \
	--rpc-url "$rpc_url" \
	--check-preconf \
	--preconf-stats-file "preconf-$(date +%s).json" \
	--rate-limit 100 \
	--mode t \
	--concurrency 500 \
	--requests 10 \
	--sending-accounts-file private-keys.txt \
	--random-recipients

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[leovct]

lgtm but couldn't test against a kurtosis devnet as preconfs are not supported for now

# preconf-1770368950.json
{
  "summary": {
    "total_tasks": 0,
    "preconf_success": 0,
    "preconf_fail": 0,
    "both_failed": 0,
    "ineffective_preconf": 0,
    "false_positives": 0,
    "confidence": 0,
    "receipt_success": 0,
    "receipt_fail": 0,
    "total_gas_used": 0
  },
  "transactions": []
}