eth_estimateGas

ArbitrumC1

Simulates a transaction to estimate the gas required for it to succeed. Useful before signing to set a safe gas limit; the call reverts (with reason) if the transaction would fail.

Endpoint

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

Parameters

Name	Type	Description
callObject	Object	The transaction fields to estimate for.
block	QUANTITY \| TAG	Optional state to estimate against.

Returns

QUANTITY — the estimated gas amount, hex-encoded.

Request

curl https://api.1st-node.com/v1/arbitrum/rpc \
  -H "Authorization: Bearer $ONE_KEY" \
  -H "content-type: application/json" \
  -d '{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_estimateGas",
  "params": [{ "to": "0xdac17f…", "data": "0xa9059cbb…" }]
}'

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_estimateGas",
  "params": [{ "to": "0xdac17f…", "data": "0xa9059cbb…" }]
}

Response

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0xcb28"
}

More transactions methods on Arbitrum

eth_getTransactionByHash eth_getTransactionReceipt eth_sendRawTransaction eth_call

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