Script to list accounts with lower free than frozen balance (#35)

src/tools/list-limbo-balance-accounts.ts

@@ -0,0 +1,75 @@
+// This script is expected to run against a parachain network (using launch.ts script)
+import yargs from "yargs";
+import { table } from "table";
+
+import { getAccountIdentity } from "../utils/monitoring";
+import { getApiFor, NETWORK_YARGS_OPTIONS } from "..";
+import { bnMax } from "@polkadot/util";
+import Web3 from "web3";
+
+const argv = yargs(process.argv.slice(2))
+  .usage("Usage: $0")
+  .version("1.0.0")
+  .options({
+    ...NETWORK_YARGS_OPTIONS,
+  }).argv;
+
+const main = async () => {
+  // Instantiate Api
+  const api = await getApiFor(argv);
+  const blockHash = await api.rpc.chain.getBlockHash();
+  const apiAt = await api.at(blockHash);
+
+  const allLocks = await apiAt.query.balances.locks.entries();
+
+  const addressesToCheck: string[] = [];
+
+  allLocks.map((lock) => {
+    if (lock[1].length > 0) {
+      addressesToCheck.push(`0x${lock[0].toHex().slice(-40)}`);
+    }
+  });
+
+  const systemAccounts = await apiAt.query.system.account.multi(addressesToCheck);
+
+  const identities = await Promise.all(addressesToCheck.map((d) => getAccountIdentity(api, d)));
+
+  const affectedAccounts = [];
+  systemAccounts.map(async ({ data: { free, reserved, frozen } }, idx) => {
+    if (free.lt(frozen)) {
+      const transferableNew = free.add(reserved).sub(bnMax(reserved, frozen));
+      affectedAccounts.push([
+        addressesToCheck[idx],
+        identities[idx],
+        Web3.utils.fromWei(free),
+        Web3.utils.fromWei(reserved),
+        Web3.utils.fromWei(frozen),
+        Web3.utils.fromWei(frozen.sub(free).toString()),
+      ]);
+    }
+  });
+
+  const tableData = (
+    [
+      ["Account", "Identity", "Free", "Reserved", "Frozen", "Negative Transferable Balance"],
+    ] as any[]
+  ).concat(affectedAccounts);
+
+  console.log(`preparing the table: ${tableData.length} entries`);
+  console.log(
+    table(tableData, {
+      drawHorizontalLine: (lineIndex: number) =>
+        lineIndex == 0 || lineIndex == 1 || lineIndex == tableData.length,
+      columns: [
+        { alignment: "left" },
+        { alignment: "left" },
+        { alignment: "left" },
+        { alignment: "right" },
+        { alignment: "right" },
+      ],
+    })
+  );
+  await api.disconnect();
+};
+
+main();