viem-goviem-go

assertRequest

Validates a transaction request and returns an error if invalid

assertRequest

Validates a transaction request and returns an error if the request is invalid. Checks address validity and fee constraints.

Import

import "github.com/ChefBingbong/viem-go/utils/transaction"
import "math/big"

Usage

import "github.com/ChefBingbong/viem-go/utils/transaction"
import "math/big"


err := transaction.AssertRequest(transaction.AssertRequestParams{
  Account:              "0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266",
  To:                   "0x1234567890123456789012345678901234567890",
  MaxFeePerGas:         big.NewInt(1000000000),
  MaxPriorityFeePerGas: big.NewInt(100000000),
})
if err != nil {
  log.Fatal(err)
}

Returns

  • Type: error

Returns nil if the request is valid, or an error describing the validation failure.

Parameters

params (required)

  • Type: transaction.AssertRequestParams

The transaction request parameters to validate.

params := transaction.AssertRequestParams{
  Account:              "0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266",
  To:                   "0x1234567890123456789012345678901234567890",
  MaxFeePerGas:         big.NewInt(1000000000),
  MaxPriorityFeePerGas: big.NewInt(100000000),
}


err := transaction.AssertRequest(params)

params.Account (optional)

  • Type: string

The account address. Must be a valid Ethereum address format if provided.

params := transaction.AssertRequestParams{
  Account: "0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266",
  // ...
}

params.To (optional)

  • Type: string

The recipient address. Must be a valid Ethereum address format if provided.

params := transaction.AssertRequestParams{
  To: "0x1234567890123456789012345678901234567890",
  // ...
}

params.MaxFeePerGas (optional)

  • Type: *big.Int

The maximum fee per gas. Must not exceed max uint256, and must be >= MaxPriorityFeePerGas if both are provided.

params := transaction.AssertRequestParams{
  MaxFeePerGas: big.NewInt(1000000000),
  // ...
}

params.MaxPriorityFeePerGas (optional)

  • Type: *big.Int

The maximum priority fee per gas. Must not exceed MaxFeePerGas if both are provided.

params := transaction.AssertRequestParams{
  MaxPriorityFeePerGas: big.NewInt(100000000),
  // ...
}

Validations

This function validates:

  1. Account Address: Must be a valid 40-character hex address with 0x prefix (if provided)
  2. To Address: Must be a valid 40-character hex address with 0x prefix (if provided)
  3. MaxFeePerGas: Must not exceed max uint256 value
  4. Fee Constraint: MaxPriorityFeePerGas must not exceed MaxFeePerGas (if both are provided)