4-byte function selectors from the contract dispatcher

Code-Snippets

curl "https://api.oanor.com/bytecode-api/v1/selectors" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/bytecode-api/v1/selectors", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/bytecode-api/v1/selectors");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);

import requests
requests.get(
    "https://api.oanor.com/bytecode-api/v1/selectors",
    headers={"x-oanor-key": "oanor_test_..."}
)

Beispiel-Response

Echte Antwort dieses Endpoints, erfasst beim letzten Health-Check.

{
    "data": {
        "note": "4-byte function selectors extracted from the contract dispatcher (DUP1 PUSH4 <sel> EQ pattern). Resolve names via a 4-byte signature directory. Proxies and unusual dispatchers may expose fewer.",
        "chain": "ethereum",
        "count": 5,
        "source": "public JSON-RPC (publicnode) + local EVM decode",
        "address": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
        "selectors": [
            "0x3659cfe6",
            "0x4f1ef286",
            "0x5c60da1b",
            "0x8f283970",
            "0xf851a440"
        ]
    },
    "meta": {
        "timestamp": "2026-06-14T08:04:12.384Z",
        "request_id": "48e98237-2950-467f-8547-bf06ae8672e5"
    },
    "status": "ok",
    "message": "Selectors retrieved successfully",
    "success": true
}