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author | Thomas <thomas.b.huang@gmail.com> | 2018-07-26 13:38:44 +0800 |
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committer | Thomas <thomas.b.huang@gmail.com> | 2018-07-26 13:38:44 +0800 |
commit | 138858647ed28a8aaba4b7e18e387ea0b6af0889 (patch) | |
tree | 0bc936ee7316112d01e617a246a645e3914da949 /ui/app/components/send/send.constants.js | |
parent | fa02a6c7c65f6866998171881fd657570fe3fe7b (diff) | |
parent | a5d344a58223e029dc86bf33a8ca9357492765f3 (diff) | |
download | tangerine-wallet-browser-138858647ed28a8aaba4b7e18e387ea0b6af0889.tar.gz tangerine-wallet-browser-138858647ed28a8aaba4b7e18e387ea0b6af0889.tar.zst tangerine-wallet-browser-138858647ed28a8aaba4b7e18e387ea0b6af0889.zip |
Merge branch 'develop' into network-remove-provider-engine
Diffstat (limited to 'ui/app/components/send/send.constants.js')
-rw-r--r-- | ui/app/components/send/send.constants.js | 57 |
1 files changed, 57 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..8acdf0641 --- /dev/null +++ b/ui/app/components/send/send.constants.js @@ -0,0 +1,57 @@ +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. +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, + 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, +} |