(fix) handle no router available on base

src/connectors/uniswap/uniswap.ts

@@ -43,7 +43,7 @@ import { getAddress } from 'ethers/lib/utils';
 export class Uniswap implements Uniswapish {
  private static _instances: { [name: string]: Uniswap };
  private chain: Ethereum | Polygon;
- private _alphaRouter: AlphaRouter;
+ private _alphaRouter: AlphaRouter | null;
  private _router: string;
  private _routerAbi: ContractInterface;
  private _gasLimitEstimate: number;
@@ -67,10 +67,13 @@ export class Uniswap implements Uniswapish {
  this.chainId = this.chain.chainId;
  this._ttl = UniswapConfig.config.ttl;
  this._maximumHops = UniswapConfig.config.maximumHops;
- this._alphaRouter = new AlphaRouter({
- chainId: this.chainId,
- provider: this.chain.provider,
- });
+ this._alphaRouter = null;
+ if (this.chainId !== 8453) {
+ this._alphaRouter = new AlphaRouter({
+ chainId: this.chainId,
+ provider: this.chain.provider,
+ });
+ }
  this._routerAbi = routerAbi.abi;
  this._gasLimitEstimate = UniswapConfig.config.gasLimitEstimate;
  this._router = config.uniswapV3SmartOrderRouterAddress(network);
@@ -143,6 +146,9 @@ export class Uniswap implements Uniswapish {
  * AlphaRouter instance.
  */
  public get alphaRouter(): AlphaRouter {
+ if (this._alphaRouter === null) {
+ throw new Error('AlphaRouter is not initialized');
+ }
  return this._alphaRouter;
  }
 
@@ -219,6 +225,9 @@ export class Uniswap implements Uniswapish {
  );
 
  if (this._useRouter) {
+ if (this._alphaRouter === null) {
+ throw new Error('AlphaRouter is not initialized');
+ }
  const route = await this._alphaRouter.route(
  nativeTokenAmount,
  quoteToken,
@@ -299,6 +308,9 @@ export class Uniswap implements Uniswapish {
  );
 
  if (this._useRouter) {
+ if (this._alphaRouter === null) {
+ throw new Error('AlphaRouter is not initialized');
+ }
  const route = await this._alphaRouter.route(
  nativeTokenAmount,
  quoteToken,

src/templates/ethereum.yml

@@ -43,17 +43,9 @@ networks:
  chainID: 8453
  nodeURL: https://mainnet.base.org
  tokenListType: FILE
- tokenListSource: /home/gateway/conf/lists/base_tokens_mainnet.json
+ tokenListSource: /home/gateway/conf/lists/base_uniswap_20240411.json
  nativeCurrencySymbol: ETH
  gasPriceRefreshInterval: 60
- base-sepolia:
- chainID: 84532
- nodeURL: https://sepolia.base.org
- tokenListType: FILE
- tokenListSource: /home/gateway/conf/lists/base_tokens_sepolia.json
- nativeCurrencySymbol: ETH
- gasPriceRefreshInterval: 60
-
 
 # if you use the gas assumptions below, your wallet needs >0.1 ETH balance for gas
 gasLimitTransaction: 3000000