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eth_estimateGas

Generates and returns an estimate of how much gas is necessary to allow the transaction to complete.

Params

(2)

1. block (required)

(any of)
string<hex>

2. tx (required)

accessList
any
chainId
any
data
any
from
any
gas
any
input
any
maxFeePerGas
string or null
maxPriorityFeePerGas
string or null
nonce
any
to
any
value
any

Result

(Quantity)
string<hex>

Example

Request

await window.ethereum.request({
  "method": "eth_estimateGas",
  "params": [
    {
      "accessList": null,
      "chainId": null,
      "data": null,
      "from": null,
      "gas": null,
      "input": null,
      "maxFeePerGas": "0x0",
      "maxPriorityFeePerGas": "0x0",
      "nonce": null,
      "to": null,
      "value": null
    }
  ]
});

Result

null

Params

block

tx


Request

await window.ethereum.request({
  "method": "eth_estimateGas",
  "params": [
    null,
    null
  ]
});