klay_isContractAccount

Returns true if an input account has a non-empty codeHash at the time of a specific block number. It returns false if the account is an EOA or a smart contract account which doesn't have codeHash.

Parameters

Name	Type	Description
address	20-byte DATA	Address
block number or hash	QUANTITY | TAG | HASH	Integer or hexadecimal block number, or the string "earliest", "latest" or "pending", or block hash.

Return Value

Type	Description
Boolean	true means the input parameter is an existing smart contract address.

Example

// Request
curl -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"klay_isContractAccount","params":["0x2f07d5b3fa1051460099dc9ea0c2975b6ea67776", "latest"],"id":1}' http://klaytn.blockpi.network/v1/rpc/your-api-key

// Result
{
    "jsonrpc":"2.0",
    "id":1,
    "result":true
}