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/* eslint-disable @typescript-eslint/no-unused-vars */
import { Contract } from 'ethers'
import { hexStringEquals } from '@eth-optimism/core-utils'
import { AddressLike } from '../interfaces'
import { toAddress } from '../utils'
import { StandardBridgeAdapter } from './standard-bridge'
/**
* Bridge adapter for DAI.
*/
export class DAIBridgeAdapter extends StandardBridgeAdapter {
public async supportsTokenPair(
l1Token: AddressLike,
l2Token: AddressLike
): Promise<boolean> {
// Just need access to this ABI for this one function.
const l1Bridge = new Contract(
this.l1Bridge.address,
[
{
inputs: [],
name: 'l1Token' as const,
outputs: [
{
internalType: 'address' as const,
name: '' as const,
type: 'address' as const,
},
],
stateMutability: 'view' as const,
type: 'function' as const,
},
{
inputs: [],
name: 'l2Token' as const,
outputs: [
{
internalType: 'address' as const,
name: '' as const,
type: 'address' as const,
},
],
stateMutability: 'view' as const,
type: 'function' as const,
},
],
this.messenger.l1Provider
)
const allowedL1Token = await l1Bridge.l1Token()
if (!hexStringEquals(allowedL1Token, toAddress(l1Token))) {
return false
}
const allowedL2Token = await l1Bridge.l2Token()
if (!hexStringEquals(allowedL2Token, toAddress(l2Token))) {
return false
}
return true
}
}