feat: add script to create input and internals of gobject prepare

Author: coolaj86

scripts/gobject-pre-prepare.js

@@ -0,0 +1,84 @@
+#!/usr/bin/env node
+"use strict";
+
+let DashGov = require("../");
+
+function help() {
+  console.info("");
+  console.info("USAGE");
+  console.info(
+    "    pre-proposal <start period> <num periods> <DASH-per-period> <proposal-url> <name> <payment-addr>",
+  );
+  console.info("");
+  console.info("EXAMPLE");
+  console.info(
+    "    pre-proposal '1' '3' '100.0' 'https://example.com/example-proposal' example-proposal yT6GS8qPrhsiiLHEaTWPYJMwfPPVt2SSFC",
+  );
+  console.info("");
+}
+
+async function main() {
+  let startPeriod = parseInt(process.argv[2] || "1", 10);
+  let numPeriods = parseInt(process.argv[3] || "1", 10);
+  let payment_amount = parseFloat(process.argv[4] || "1");
+  let url = process.argv[5] || "";
+  let name = process.argv[6] || "";
+  let payment_address = process.argv[7] || "";
+  if (!url) {
+    help();
+  }
+
+  let totalCycleCount = numPeriods - 1;
+  let endPeriod = startPeriod + totalCycleCount;
+  let cycleCount = Math.max(3, endPeriod);
+
+  let estimates = DashGov.estimateProposalCycles(
+    cycleCount,
+    // snapshot,
+    // secondsPerBlock,
+  );
+
+  let selected = DashGov.selectEstimates(estimates, startPeriod, endPeriod);
+  let gobjData = DashGov.proposal.draftJson(selected, {
+    name,
+    url,
+    payment_address,
+    payment_amount,
+  });
+
+  let now = Date.now();
+  let gobj = DashGov.proposal.draft(now, selected.start.startMs, gobjData, {});
+  console.log(selected);
+
+  let gobjCollateralBytes = DashGov.serializeForCollateralTx(gobj);
+  let gobjCollateralHex = DashGov.utils.bytesToHex(gobjCollateralBytes);
+
+  let crypto = globalThis.crypto;
+  let hash1 = await crypto.subtle.digest("SHA-256", gobjCollateralBytes);
+  let gobjCollateralHashBuf = await crypto.subtle.digest("SHA-256", hash1);
+  let gobjCollateralHashBytes = new Uint8Array(gobjCollateralHashBuf);
+  let gobjCollateralHashHex = DashGov.utils.bytesToHex(gobjCollateralHashBytes);
+
+  console.log(
+    "gobject prepare",
+    gobj.hashParent,
+    gobj.revision,
+    gobj.time,
+    gobj.dataHex,
+  );
+  console.log("# blackbox gobject serialization");
+  console.log(`# ${gobjCollateralHex}`);
+  console.log();
+  console.log(`# GObject Hash ID (will be found in collateral tx memo)`);
+  console.log(`# ${gobjCollateralHashHex}`);
+}
+
+main()
+  .then(function () {
+    process.exit(0);
+  })
+  .catch(function (err) {
+    console.error("Fail:");
+    console.error(err.stack || err);
+    process.exit(1);
+  });