Skandha (Bundler) API calls
eth_estimateUserOperationGas
Estimate User Operation
POST
/
Example values you use to demo the API:
{
"jsonrpc": "2.0",
"method": "eth_estimateUserOperationGas",
"params": [
{
"sender":"0xb341FEAFaF71b09089d03B7D114599f8F491EE45",
"nonce":"0x0",
"initCode":"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",
"callData":"0x5194544700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"callGasLimit":"0x0",
"verificationGasLimit":"0x0",
"preVerificationGas":"0x0",
"maxPriorityFeePerGas":"0x3b9aca00",
"maxFeePerGas":"0x7a5cf70d5",
"paymasterAndData":"0x",
"signature":"0x00000000fffffffffffffffffffffffffffffff0000000000000000000000000000000007aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa1c"
},
"0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789"
],
"id": 1
}
Example response:
{
"jsonrpc": "2.0",
"id": 1,
"result": {
"preVerificationGas": "0xdf55",
"verificationGas": "0x52503",
"verificationGasLimit": "0x52503",
"callGasLimit": "0x13880",
"maxFeePerGas": "0x59682f00",
"maxPriorityFeePerGas": "0x59682f00"
}
}
Body
application/json
jsonrpc
enum<string>
default: 2.0requiredAvailable options:
2.0
method
enum<string>
default: eth_estimateUserOperationGasrequiredAvailable options:
eth_estimateUserOperationGas
params
array
requiredid
integer
required