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Merge branch 'develop' of github.com:MetaMask/metamask-extension into ValidateEmptyKey
Diffstat (limited to 'ui/app/components/send_/send.constants.js')
-rw-r--r-- | ui/app/components/send_/send.constants.js | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/ui/app/components/send_/send.constants.js b/ui/app/components/send_/send.constants.js new file mode 100644 index 000000000..df5dee371 --- /dev/null +++ b/ui/app/components/send_/send.constants.js @@ -0,0 +1,55 @@ +const ethUtil = require('ethereumjs-util') +const { conversionUtil, multiplyCurrencies } = require('../../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 REQUIRED_ERROR = 'required' + +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. + +module.exports = { + INSUFFICIENT_FUNDS_ERROR, + INSUFFICIENT_TOKENS_ERROR, + INVALID_RECIPIENT_ADDRESS_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, +} |