Recover exact London SLOAD/SSTORE charge, original/current-value refund and nest...
https://detect.halowerk.com/v1/F-TD2000-DATASTRUCTURES-09/london-evm-storage-original-current-warm-cold-refundOverview
Recover exact London SLOAD/SSTORE charge, original/current-value refund and nested rollback effects on a supplied synthetic storage program.
Protocol
x402 (POST)
Price
$0.0030
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
detect
Source
bazaar
Indexed
2026-11-02 17:26:09
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"body": {
"artifact": {
"evmGas": {
"claim": null,
"data": {
"gas_used_before": 21000,
"root": {
"commit": true,
"gas": 100000,
"operations": [
{
"kind": "sstore",
"new_hex": "0000000000000000000000000000000000000000000000000000000000000001",
"slot": 0
}
],
"owner": 1,
"static": false
},
"slots": [
{
"key": 0,
"original_hex": "0000000000000000000000000000000000000000000000000000000000000000",
"owner": 1
}
],
"warm_slots": []
}
}
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Output Schema
{
"example": {
"billable": true,
"findings": [
{
"confidence": 1,
"evidence": [
{
"page_indices": [],
"page_url": null,
"pattern": "london-evm-storage-original-current-warm-cold-refund_scoped_evidence",
"type": "artifact"
}
],
"limits": [
"Complete caller-supplied anonymous artifact under the stated bounded technical profile; no external facts, network/device actions or certification."
],
"module": "london-evm-storage-original-current-warm-cold-refund",
"state": "observed",
"value": {
"claim_matches": false,
"computed": {
"events": [
{
"frame": 0,
"gas_after": 77900,
"gas_before": 100000,
"kind": "sstore",
"operation": 0,
"refund_delta": 0,
"success": true,
"value": null
}
],
"final_slots": [
{
"key": 0,
"owner": 1,
"value_hex": "0000000000000000000000000000000000000000000000000000000000000001"
}
],
"frames": [
{
"frame": 0,
"gas_budget": 100000,
"gas_remaining": 77900,
"parent": null,
"refund_delta": 0,
"status": "committed"
}
],
"gas_used_after_refund": 43100,
"gas_used_before_refund": 43100,
"refund_applied": 0,
"refund_counter": 0,
"warm_slots": [
0
]
}
},
"warnings": []
}
],
"known_count": 1,
"scope": {
"contact_values_returned": false,
"network": false,
"supplied_artifact_only": true
},
"warnings": []
},
"type": "json"
}