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metamask-extension/ui/app/pages/send/send.constants.js
Patryk Łucka ee205b893f
Create custom addHexPrefix function (#9306)
* create custom addHexPrefix function

* switch to custom addHexPrefix

Co-authored-by: Mark Stacey <markjstacey@gmail.com>
Co-authored-by: Erik Marks <rekmarks@protonmail.com>
2020-11-06 13:18:00 -08:00

60 lines
1.8 KiB
JavaScript

import {
conversionUtil,
multiplyCurrencies,
} from '../../helpers/utils/conversion-util'
import { addHexPrefix } from '../../../../app/scripts/lib/util'
const MIN_GAS_PRICE_DEC = '0'
const MIN_GAS_PRICE_HEX = parseInt(MIN_GAS_PRICE_DEC, 10).toString(16)
const MIN_GAS_LIMIT_DEC = '21000'
const MIN_GAS_LIMIT_HEX = parseInt(MIN_GAS_LIMIT_DEC, 10).toString(16)
const MIN_GAS_PRICE_GWEI = addHexPrefix(
conversionUtil(MIN_GAS_PRICE_HEX, {
fromDenomination: 'WEI',
toDenomination: 'GWEI',
fromNumericBase: 'hex',
toNumericBase: 'hex',
numberOfDecimals: 1,
}),
)
const MIN_GAS_TOTAL = multiplyCurrencies(MIN_GAS_LIMIT_HEX, MIN_GAS_PRICE_HEX, {
toNumericBase: 'hex',
multiplicandBase: 16,
multiplierBase: 16,
})
const TOKEN_TRANSFER_FUNCTION_SIGNATURE = '0xa9059cbb'
const INSUFFICIENT_FUNDS_ERROR = 'insufficientFunds'
const INSUFFICIENT_TOKENS_ERROR = 'insufficientTokens'
const NEGATIVE_ETH_ERROR = 'negativeETH'
const INVALID_RECIPIENT_ADDRESS_ERROR = 'invalidAddressRecipient'
const INVALID_RECIPIENT_ADDRESS_NOT_ETH_NETWORK_ERROR =
'invalidAddressRecipientNotEthNetwork'
const REQUIRED_ERROR = 'required'
const KNOWN_RECIPIENT_ADDRESS_ERROR = 'knownAddressRecipient'
const SIMPLE_GAS_COST = '0x5208' // Hex for 21000, cost of a simple send.
const BASE_TOKEN_GAS_COST = '0x186a0' // Hex for 100000, a base estimate for token transfers.
export {
INSUFFICIENT_FUNDS_ERROR,
INSUFFICIENT_TOKENS_ERROR,
INVALID_RECIPIENT_ADDRESS_ERROR,
KNOWN_RECIPIENT_ADDRESS_ERROR,
INVALID_RECIPIENT_ADDRESS_NOT_ETH_NETWORK_ERROR,
MIN_GAS_LIMIT_DEC,
MIN_GAS_LIMIT_HEX,
MIN_GAS_PRICE_DEC,
MIN_GAS_PRICE_GWEI,
MIN_GAS_PRICE_HEX,
MIN_GAS_TOTAL,
NEGATIVE_ETH_ERROR,
REQUIRED_ERROR,
SIMPLE_GAS_COST,
TOKEN_TRANSFER_FUNCTION_SIGNATURE,
BASE_TOKEN_GAS_COST,
}