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
}

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