# Gas

## GasEstimateFeeCap

GasEstimateFeeCap estimates gas fee cap

Perms: read

Inputs:

```json
[
  {
    "Version": 42,
    "To": "f01234",
    "From": "f01234",
    "Nonce": 42,
    "Value": "0",
    "GasLimit": 9,
    "GasFeeCap": "0",
    "GasPremium": "0",
    "Method": 1,
    "Params": "Ynl0ZSBhcnJheQ==",
    "CID": {
      "/": "bafy2bzacebbpdegvr3i4cosewthysg5xkxpqfn2wfcz6mv2hmoktwbdxkax4s"
    }
  },
  9,
  [
    {
      "/": "bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4"
    },
    {
      "/": "bafy2bzacebp3shtrn43k7g3unredz7fxn4gj533d3o43tqn2p2ipxxhrvchve"
    }
  ]
]
```

Response: `"0"`

## GasEstimateGasLimit

GasEstimateGasLimit estimates gas used by the message and returns it. It fails if message fails to execute.

Perms: read

Inputs:

```json
[
  {
    "Version": 42,
    "To": "f01234",
    "From": "f01234",
    "Nonce": 42,
    "Value": "0",
    "GasLimit": 9,
    "GasFeeCap": "0",
    "GasPremium": "0",
    "Method": 1,
    "Params": "Ynl0ZSBhcnJheQ==",
    "CID": {
      "/": "bafy2bzacebbpdegvr3i4cosewthysg5xkxpqfn2wfcz6mv2hmoktwbdxkax4s"
    }
  },
  [
    {
      "/": "bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4"
    },
    {
      "/": "bafy2bzacebp3shtrn43k7g3unredz7fxn4gj533d3o43tqn2p2ipxxhrvchve"
    }
  ]
]
```

Response: `9`

## GasEstimateGasPremium

GasEstimateGasPremium estimates what gas price should be used for a message to have high likelihood of inclusion in `nblocksincl` epochs.

Perms: read

Inputs:

```json
[
  42,
  "f01234",
  9,
  [
    {
      "/": "bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4"
    },
    {
      "/": "bafy2bzacebp3shtrn43k7g3unredz7fxn4gj533d3o43tqn2p2ipxxhrvchve"
    }
  ]
]
```

Response: `"0"`

## GasEstimateMessageGas

GasEstimateMessageGas estimates gas values for unset message gas fields

Perms: read

Inputs:

```json
[
  {
    "Version": 42,
    "To": "f01234",
    "From": "f01234",
    "Nonce": 42,
    "Value": "0",
    "GasLimit": 9,
    "GasFeeCap": "0",
    "GasPremium": "0",
    "Method": 1,
    "Params": "Ynl0ZSBhcnJheQ==",
    "CID": {
      "/": "bafy2bzacebbpdegvr3i4cosewthysg5xkxpqfn2wfcz6mv2hmoktwbdxkax4s"
    }
  },
  {
    "MaxFee": "0",
    "MsgUuid": "07070707-0707-0707-0707-070707070707"
  },
  [
    {
      "/": "bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4"
    },
    {
      "/": "bafy2bzacebp3shtrn43k7g3unredz7fxn4gj533d3o43tqn2p2ipxxhrvchve"
    }
  ]
]
```

Response:

```json
{
  "Version": 42,
  "To": "f01234",
  "From": "f01234",
  "Nonce": 42,
  "Value": "0",
  "GasLimit": 9,
  "GasFeeCap": "0",
  "GasPremium": "0",
  "Method": 1,
  "Params": "Ynl0ZSBhcnJheQ==",
  "CID": {
    "/": "bafy2bzacebbpdegvr3i4cosewthysg5xkxpqfn2wfcz6mv2hmoktwbdxkax4s"
  }
}
```

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