Possibly undefined TokenDetails (#19)

Author: bh2smith

packages/agent-sdk/src/evm/tokens.ts

@@ -2,7 +2,7 @@ import { isAddress } from "viem";
 import { getTokenInfo } from "./erc20";
 import { type TokenInfo } from "./types";
 
-type SymbolMapping = Record<string, TokenInfo>;
+type SymbolMapping = Record<string, TokenInfo | undefined>;
 type ChainId = number;
 export type BlockchainMapping = Record<ChainId, SymbolMapping>;
 
@@ -36,7 +36,7 @@ export async function getTokenDetails(
   chainId: number,
   symbolOrAddress: string,
   tokenMap?: BlockchainMapping,
-): Promise<TokenInfo> {
+): Promise<TokenInfo | undefined> {
   if (isAddress(symbolOrAddress, { strict: false })) {
     return getTokenInfo(chainId, symbolOrAddress);
   }

packages/agent-sdk/tests/evm/token.spec.ts

@@ -12,4 +12,9 @@ describe("getTokenDetails", () => {
     );
     expect(tokenDetails).toBeDefined();
   });
+
+  it("should return the token details for a given symbol", async () => {
+    const tokenDetails = await getTokenDetails(43114, "UNI");
+    expect(tokenDetails).toBeUndefined();
+  });
 });