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-rw-r--r--ui/app/pages/send/send.constants.js61
1 files changed, 61 insertions, 0 deletions
diff --git a/ui/app/pages/send/send.constants.js b/ui/app/pages/send/send.constants.js
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+++ b/ui/app/pages/send/send.constants.js
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+const ethUtil = require('ethereumjs-util')
+const { conversionUtil, multiplyCurrencies } = require('../../helpers/utils/conversion-util')
+
+const MIN_GAS_PRICE_DEC = '0'
+const MIN_GAS_PRICE_HEX = (parseInt(MIN_GAS_PRICE_DEC)).toString(16)
+const MIN_GAS_LIMIT_DEC = '21000'
+const MIN_GAS_LIMIT_HEX = (parseInt(MIN_GAS_LIMIT_DEC)).toString(16)
+
+const MIN_GAS_PRICE_GWEI = ethUtil.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 ONE_GWEI_IN_WEI_HEX = ethUtil.addHexPrefix(conversionUtil('0x1', {
+ fromDenomination: 'GWEI',
+ toDenomination: 'WEI',
+ fromNumericBase: 'hex',
+ toNumericBase: 'hex',
+}))
+
+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.
+
+module.exports = {
+ 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,
+ ONE_GWEI_IN_WEI_HEX,
+ REQUIRED_ERROR,
+ SIMPLE_GAS_COST,
+ TOKEN_TRANSFER_FUNCTION_SIGNATURE,
+ BASE_TOKEN_GAS_COST,
+}