1 files changed, 33 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 00000000..b3ee0899
--- /dev/null
+++ b/ui/app/components/send/send-constants.js
@@ -0,0 +1,33 @@
+const ethUtil = require('ethereumjs-util')
+const { conversionUtil, multiplyCurrencies } = require('../../conversion-util')
+
+const MIN_GAS_PRICE_HEX = (100000000).toString(16)
+const MIN_GAS_PRICE_DEC = '100000000'
+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'
+
+module.exports = {
+  MIN_GAS_PRICE_GWEI,
+  MIN_GAS_PRICE_HEX,
+  MIN_GAS_PRICE_DEC,
+  MIN_GAS_LIMIT_HEX,
+  MIN_GAS_LIMIT_DEC,
+  MIN_GAS_TOTAL,
+  TOKEN_TRANSFER_FUNCTION_SIGNATURE,
+}