debug_codeByHash

Note

Served only when debug is named in --http.api or --ws.api; see Enabling Namespaces.

Returns the contract bytecode whose Keccak-256 hash is the given code hash, the value eth_getProof reports as an account’s codeHash.

Parameters

DATA, 32 Bytes - The code hash.

block parameter: QUANTITY|TAG|DATA - (optional) Hexadecimal block number, or one of the string tags latest, earliest, safe, or finalized; a 32-byte block hash is also accepted. See the default block parameter. Defaults to latest.

Returns

DATA - The bytecode, or null when the node has no code with that hash.

Example

Request

curl http://localhost:8545 \
 -X POST \
 -H "Content-Type: application/json" \
 --data '{"jsonrpc":"2.0","method":"debug_codeByHash","params":["0xfe74fcea823036dfc874205a4198185eedae92b256d956cbf805c6c0dc2fd184","latest"],"id":1}'

Result

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x60806040525f80546001600160a01b03169035632cf35bc960e11b01602657805f5260205ff35b365f80375f80365f845af490503d5f803e80603f573d5ffd5b503d5ff3fea164736f6c634300081a000a"
}