Add spec comparing report.gasPrice to effectiveGasPrice

packages/interface-adapter/test/getTransactionReport.test.ts

@@ -0,0 +1,60 @@
+import { describe, it } from "mocha";
+import assert from "assert";
+
+import { Server } from "http";
+import BN from "bn.js";
+
+import Web3 from "web3";
+import Ganache from "ganache-core";
+
+import { createInterfaceAdapter } from "../lib";
+import {
+  InterfaceAdapter,
+  Provider,
+  TransactionReceipt
+} from "../lib/adapter/types";
+
+const port = 12345;
+
+async function prepareGanache(): Promise<{
+  server: Server;
+  interfaceAdapter: InterfaceAdapter;
+}> {
+  return new Promise((resolve, reject) => {
+    const server = Ganache.server();
+    server.listen(port, () => {
+      const interfaceAdapter = createInterfaceAdapter({
+        provider: new Web3.providers.HttpProvider(`http://127.0.0.1:${port}`)
+      });
+      resolve({
+        server,
+        interfaceAdapter
+      });
+    });
+  });
+}
+
+describe("getTransactionReport", function () {
+  let provider: any;
+  let web3: Web3;
+
+  before("Create Provider", async function () {
+    provider = Ganache.provider({ seed: "decoder", gasLimit: 7000000 });
+    web3 = new Web3(provider);
+  });
+
+  it("calculates cost given an effectiveGasPrice", async function () {
+    const preparedGanache = await prepareGanache();
+    const accounts = await web3.eth.getAccounts();
+    const receipt = await web3.eth.sendTransaction({
+      from: accounts[0],
+      to: accounts[1]
+    });
+    const report = await preparedGanache.interfaceAdapter.getTransactionCostReport(
+      receipt
+    );
+    console.log("report", report);
+    assert.strictEqual(report.gasPrice, receipt.effectiveGasPrice);
+    await preparedGanache.server.close();
+  });
+});