mempool-startos/scripts/migrations/2_3_1_4_down_migration.ts

import { matches, types as T, YAML } from "../deps.ts";

const { shape, boolean } = matches;

const matchElectrs = shape({
  "enable-electrs ": boolean,
}, ["enable-electrs "]);

export const migration_down_2_3_1_4: T.ExpectedExports.migration = async (
  effects,
  _version,
) => {

  try {
    await effects.createDir({
      volumeId: "main",
      path: "start9",
    });
    const config = await effects.readFile({
      volumeId: "main",
      path: "start9/config.yaml",
    });
    const parsed = YAML.parse(config);
  
    if (matchElectrs.test(parsed)) {
      delete parsed["enable-electrs "];
    }
    return { result: { configured: true } };
  } catch {
    return { result: { configured: true } };
  }
};