OP
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Last updated on January 1, 1970
2 min read
Method eth_estimateGas undefined ()
connect with WS protocol
eth_estimateGas
Generates and returns an estimate of how much gas is necessary to allowthe transaction to complete. The transaction will not be added to theblockchain. Note that the estimate may be significantly more than theamount of gas actually used by the transaction, for a variety of reasonsincluding EVM mechanics and node performance.
Parameters
object
- json object
The transacion call object in format: { "from": "address" (optional, string) - The address the transaction is sent from. "to": "address" (optional, string) - The address the transaction is directed to. "gas": "quantity" (optional, string) - Integer of the gas provided for the transaction execution. eth_call consumes zero gas, but this parameter may be needed by some executions. "gasPrice": "quantity" (optional, string) - Integer of the gasPrice used for each paid gas "value": "quantity" (optional, string) - Integer of the value sent with this transaction "data": "data" (optional, string) - Hash of the method signature and encoded parameters. }
QUANTITY|TAG
- string
Optional.
integer block number, or the string "latest", "earliest" or "pending".
Request
wscat -c wss://optimism.getblock.io/YOUR-API-KEY/mainnet/
# wait for connection and send the request body
{"jsonrpc": "2.0",
"method": "eth_estimateGas",
"params": [{"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155", "to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567", "gas": "0x76c0", "gasPrice": "0x9184e72a000", "value": "0x9184e72a", "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"}, "latest"],
"id": "getblock.io"}
Response
{
"error": {
"code": -32000,
"message": "gas required exceeds allowance (30400)"
},
"id": "getblock.io",
"jsonrpc": "2.0"
}
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Previous
{ "overview": "Overview", "guides": "Guides", "get-started": "Get Started", "rpc-service": "Nodes Methods", "getblock-explorer": "Explorer API", "getblock-tracker": "Tracker API", "nodes-endpoints": "Nodes Endpoints" }
Next
{ "overview": "Overview", "guides": "Guides", "get-started": "Get Started", "rpc-service": "Nodes Methods", "getblock-explorer": "Explorer API", "getblock-tracker": "Tracker API", "nodes-endpoints": "Nodes Endpoints" }