eth_getCode

EthereumC1

Returns the compiled contract bytecode stored at an address. An empty result ("0x") means the address is an EOA or has no code at that block.

Endpoint

POST https://api.1st-node.com/v1/ethereum/rpc

Parameters

Name	Type	Description
address	DATA, 20 bytes	Address to read code from.
block	QUANTITY \| TAG	Block number or tag.

Returns

DATA — the bytecode at the address, or "0x" if none.

Request

curl https://api.1st-node.com/v1/ethereum/rpc \
  -H "Authorization: Bearer $ONE_KEY" \
  -H "content-type: application/json" \
  -d '{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_getCode",
  "params": ["0xdac17f958d2ee523a2206206994597c13d831ec7", "latest"]
}'

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_getCode",
  "params": ["0xdac17f958d2ee523a2206206994597c13d831ec7", "latest"]
}

Response

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x606060405236156100..."
}

More state methods on Ethereum

eth_getBalance eth_getTransactionCount eth_getStorageAt

← Ethereum API

よくある質問

How do I tell a contract from a wallet?

A wallet (EOA) returns "0x"; a contract returns non-empty bytecode.

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