ABI's from contract/out files

contract.js

@@ -0,0 +1,25 @@
+import {AbiFileCache} from "../web/src/common.js"
+import {ethers} from "ethers";
+
+const ABI_BASE_URL = '../contract/out/'
+
+const abiCache = new AbiFileCache(ABI_BASE_URL)
+
+
+export async function getAbi(className) {
+    return await abiCache.get(className)
+}
+
+
+export async function newContract(addr, name, provider) {
+    const abi = await getAbi(name);
+    return new ethers.Contract(addr, abi, provider)
+}
+
+export async function mockERC20Contract(addr, provider) {
+    return await newContract(addr, 'MockERC20', provider)
+}
+
+export async function erc20Contract(addr, provider) {
+    return await newContract(addr, 'IERC20Metadata', provider)
+}