eth_call

OptimismC1

Runs a call against the current (or historic) state without broadcasting or spending gas. The standard way to read contract view/pure functions. Historic calls resolve on archive nodes.

Endpoint

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

Parameters

Name	Type	Description
callObject	Object	The call: to, data, and optionally from/gas/value.
block	QUANTITY \| TAG	State to execute against.

Returns

DATA — the return value of the executed call.

Request

curl https://api.1st-node.com/v1/optimism/rpc \
  -H "Authorization: Bearer $ONE_KEY" \
  -H "content-type: application/json" \
  -d '{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_call",
  "params": [{ "to": "0xdac17f…", "data": "0x70a08231000000…" }, "latest"]
}'

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_call",
  "params": [{ "to": "0xdac17f…", "data": "0x70a08231000000…" }, "latest"]
}

Response

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x0000000000000000000000000000000000000000000000000000000005f5e100"
}

More transactions methods on Optimism

eth_getTransactionByHash eth_getTransactionReceipt eth_sendRawTransaction eth_estimateGas

← Optimism API

常见问题

Does eth_call cost gas?

No — it executes against state without a transaction, so nothing is spent on-chain.

充值、拿密钥、上线。

自助开通。支持加密货币或银行卡。按额度计费——重型原语更贵，简单调用很便宜。

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