Adds round payout script

Author: crystalin

src/tools/get-round-rewards.ts

@@ -0,0 +1,58 @@
+import { getApiFor, NETWORK_YARGS_OPTIONS } from "src/utils/networks.ts";
+import yargs from "yargs";
+
+export const NETWORK_WS_URLS: { [name: string]: string } = {
+  rococo: "wss://rococo-rpc.polkadot.io",
+  westend: "wss://westend.api.onfinality.io/public-ws",
+  kusama: "wss://kusama.api.onfinality.io/public-ws",
+  polkadot: "wss://polkadot.api.onfinality.io/public-ws",
+};
+
+const argv = yargs(process.argv.slice(2))
+  .usage("Usage: $0")
+  .version("1.0.0")
+  .options({
+    ...NETWORK_YARGS_OPTIONS,
+    at: {
+      type: "number",
+      description: "Block number",
+    },
+  }).argv;
+
+const main = async () => {
+  const api = await getApiFor(argv);
+
+  const blockHash = argv.at
+    ? await api.rpc.chain.getBlockHash(argv.at)
+    : await api.rpc.chain.getBlockHash();
+  const block = await api.rpc.chain.getBlock(blockHash);
+  const apiAt = await api.at(blockHash);
+
+  const round = await apiAt.query.parachainStaking.round();
+  const roundBlockApiAt = await api.at(await api.rpc.chain.getBlockHash(round.first));
+
+  const atStake = await roundBlockApiAt.query.parachainStaking.atStake.entries();
+  const awardedPts = await roundBlockApiAt.query.parachainStaking.awardedPts.entries();
+  const collatorsPoints = {};
+  console.log(`Using previous round: ${round.current.toNumber() - 1}`);
+  for (const [key, value] of awardedPts) {
+    const [stakeRound, collator] = key.args;
+    if (stakeRound.toNumber() !== round.current.toNumber() - 1) {
+      continue;
+    }
+    collatorsPoints[collator.toHex()] = (value as any).toNumber();
+  }
+  let paidBlock = round.first.toNumber() + 1;
+  for (const [key] of atStake) {
+    const [stakeRound, collator] = key.args;
+    if (stakeRound.toNumber() !== round.current.toNumber() - 1) {
+      continue;
+    }
+    console.log(
+      `Account ${collator.toHuman()} had ${collatorsPoints[collator.toHex()]} at ${paidBlock++}`,
+    );
+  }
+  await api.disconnect();
+};
+
+main();