75 lines
2.2 KiB
JavaScript
75 lines
2.2 KiB
JavaScript
const HOME_NATIVE_TO_ERC_ABI = require('../../contracts/build/contracts/HomeBridgeNativeToErc').abi
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const FOREIGN_NATIVE_TO_ERC_ABI = require('../../contracts/build/contracts/ForeignBridgeNativeToErc')
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.abi
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const HOME_ERC_TO_ERC_ABI = require('../../contracts/build/contracts/HomeBridgeErcToErc').abi
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const FOREIGN_ERC_TO_ERC_ABI = require('../../contracts/build/contracts/ForeignBridgeErc677ToErc677')
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.abi
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const HOME_ERC_TO_NATIVE_ABI = require('../../contracts/build/contracts/HomeBridgeErcToNative').abi
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const FOREIGN_ERC_TO_NATIVE_ABI = require('../../contracts/build/contracts/ForeignBridgeErcToNative')
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.abi
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const { homeV1Abi, foreignViAbi } = require('./v1Abis')
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const BRIDGE_MODES = {
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NATIVE_TO_ERC: 'NATIVE_TO_ERC',
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ERC_TO_ERC: 'ERC_TO_ERC',
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ERC_TO_NATIVE: 'ERC_TO_NATIVE',
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NATIVE_TO_ERC_V1: 'NATIVE_TO_ERC_V1'
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}
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const ERC_TYPES = {
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ERC20: 'ERC20',
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ERC677: 'ERC677'
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}
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function getBridgeABIs(bridgeMode) {
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let HOME_ABI = null
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let FOREIGN_ABI = null
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if (bridgeMode === BRIDGE_MODES.NATIVE_TO_ERC) {
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HOME_ABI = HOME_NATIVE_TO_ERC_ABI
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FOREIGN_ABI = FOREIGN_NATIVE_TO_ERC_ABI
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} else if (bridgeMode === BRIDGE_MODES.ERC_TO_ERC) {
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HOME_ABI = HOME_ERC_TO_ERC_ABI
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FOREIGN_ABI = FOREIGN_ERC_TO_ERC_ABI
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} else if (bridgeMode === BRIDGE_MODES.ERC_TO_NATIVE) {
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HOME_ABI = HOME_ERC_TO_NATIVE_ABI
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FOREIGN_ABI = FOREIGN_ERC_TO_NATIVE_ABI
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} else if (bridgeMode === BRIDGE_MODES.NATIVE_TO_ERC_V1) {
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HOME_ABI = homeV1Abi
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FOREIGN_ABI = foreignViAbi
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} else {
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throw new Error(`Unrecognized bridge mode: ${bridgeMode}`)
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}
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return { HOME_ABI, FOREIGN_ABI }
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}
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function decodeBridgeMode(bridgeModeHash) {
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switch (bridgeModeHash) {
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case '0x92a8d7fe':
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return BRIDGE_MODES.NATIVE_TO_ERC
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case '0xba4690f5':
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return BRIDGE_MODES.ERC_TO_ERC
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case '0x18762d46':
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return BRIDGE_MODES.ERC_TO_NATIVE
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default:
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throw new Error(`Unrecognized bridge mode hash: '${bridgeModeHash}'`)
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}
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}
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async function getBridgeMode(contract) {
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try {
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const bridgeModeHash = await contract.methods.getBridgeMode().call()
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return decodeBridgeMode(bridgeModeHash)
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} catch (e) {
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return BRIDGE_MODES.NATIVE_TO_ERC_V1
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}
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}
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module.exports = {
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getBridgeABIs,
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getBridgeMode,
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BRIDGE_MODES,
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ERC_TYPES
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}
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