eth_estimateGas
BaseC1Simulates 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/base/rpcParameters
| 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/base/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 Base
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