tokenbridge/monitor/utils/bridgeMode.js
Przemyslaw Rzad 5efc9a6688
Update bridge monitor (#38)
* Removed duplicate licence, updated links do Contributing and Licence in sub-readme.

* Renamed bridge-monitor to monitor.

* Removed package-lock.json.

* Added monitor workspace with linting.

* Consistent eslint version.

* Added readme for merging.
2019-05-14 09:17:03 +02:00

57 lines
1.7 KiB
JavaScript

const HOME_NATIVE_TO_ERC_ABI = require('../abis/HomeBridgeNativeToErc.abi')
const FOREIGN_NATIVE_TO_ERC_ABI = require('../abis/ForeignBridgeNativeToErc.abi')
const HOME_ERC_TO_ERC_ABI = require('../abis/HomeBridgeErcToErc.abi')
const FOREIGN_ERC_TO_ERC_ABI = require('../abis/ForeignBridgeErc677ToErc677.abi')
const HOME_ERC_TO_NATIVE_ABI = require('../abis/HomeBridgeErcToNative.abi')
const FOREIGN_ERC_TO_NATIVE_ABI = require('../abis/ForeignBridgeErcToNative.abi')
const BRIDGE_MODES = {
NATIVE_TO_ERC: 'NATIVE_TO_ERC',
ERC_TO_ERC: 'ERC_TO_ERC',
ERC_TO_NATIVE: 'ERC_TO_NATIVE'
}
const ERC_TYPES = {
ERC20: 'ERC20',
ERC677: 'ERC677'
}
function getBridgeABIs(bridgeMode) {
let HOME_ABI = null
let FOREIGN_ABI = null
if (bridgeMode === BRIDGE_MODES.NATIVE_TO_ERC) {
HOME_ABI = HOME_NATIVE_TO_ERC_ABI
FOREIGN_ABI = FOREIGN_NATIVE_TO_ERC_ABI
} else if (bridgeMode === BRIDGE_MODES.ERC_TO_ERC) {
HOME_ABI = HOME_ERC_TO_ERC_ABI
FOREIGN_ABI = FOREIGN_ERC_TO_ERC_ABI
} else if (bridgeMode === BRIDGE_MODES.ERC_TO_NATIVE) {
HOME_ABI = HOME_ERC_TO_NATIVE_ABI
FOREIGN_ABI = FOREIGN_ERC_TO_NATIVE_ABI
} else {
throw new Error(`Unrecognized bridge mode: ${bridgeMode}`)
}
return { HOME_ABI, FOREIGN_ABI }
}
function decodeBridgeMode(bridgeModeHash) {
switch (bridgeModeHash) {
case '0x92a8d7fe':
return BRIDGE_MODES.NATIVE_TO_ERC
case '0xba4690f5':
return BRIDGE_MODES.ERC_TO_ERC
case '0x18762d46':
return BRIDGE_MODES.ERC_TO_NATIVE
default:
throw new Error(`Unrecognized bridge mode hash: '${bridgeModeHash}'`)
}
}
module.exports = {
decodeBridgeMode,
getBridgeABIs,
BRIDGE_MODES,
ERC_TYPES
}