init

.env.example

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+MNEMONIC="lorem ipsum dolor sit amet consectetur adipiscing elit sed do eiusmod tempor incididunt ut labore et dolore magna aliqua ut enim ad minim veniam"

.eslintrc.js

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+// @ts-check
+
+const { extendEslint } = require("@graz-sh/style-guide-core");
+
+module.exports = extendEslint(["node", "typescript"], {
+  root: true,
+});

.gitignore

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+# default ignored directores/files
+**/node_modules/
+*.log
+.DS_Store
+.env*
+.eslintcache
+.turbo
+.vercel
+dist/**
+package-lock.json
+tsconfig.tsbuildinfo
+vendor/**
+
+# allowed directories/files
+!.gitkeep
+!.env.example

.npmrc

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+public-hoist-pattern[]=*
+# enable-pre-post-scripts=true

.nvmrc

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+18

.vscode/settings.json

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+{
+  "[stubs/*.ts]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode"
+  },
+  "[javascript]": {
+    "editor.defaultFormatter": "dbaeumer.vscode-eslint"
+  },
+  "[javascriptreact]": {
+    "editor.defaultFormatter": "dbaeumer.vscode-eslint"
+  },
+  "[typescript]": {
+    "editor.defaultFormatter": "dbaeumer.vscode-eslint"
+  },
+  "[typescriptreact]": {
+    "editor.defaultFormatter": "dbaeumer.vscode-eslint"
+  },
+  "eslint.validate": ["javascript", "javascriptreact", "typescript", "typescriptreact"],
+  "npm.packageManager": "pnpm"
+}

env.d.ts

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+declare namespace NodeJS {
+  interface ProcessEnv {
+    readonly MNEMONIC?: string;
+  }
+}

index.ts

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+import type { EncodeObject } from "@cosmjs/proto-signing";
+import { DirectSecp256k1HdWallet } from "@cosmjs/proto-signing";
+import { GasPrice, SigningStargateClient } from "@cosmjs/stargate";
+import { MsgSend } from "cosmjs-types/cosmos/bank/v1beta1/tx";
+
+const addresses = {
+  griko_nibras: `cosmos1kpzxx2lxg05xxn8mfygrerhmkj0ypn8edmu2pu`,
+  kikiding: `cosmos1g3jjhgkyf36pjhe7u5cw8j9u6cgl8x929ej430`,
+  asaadam: `cosmos1q7u2wv5rmzphm53cww42ydcrsgjp7he8u3f85f`,
+};
+
+const run = async () => {
+  // https://github.com/cosmos/chain-registry/blob/master/cosmoshub/chain.json
+  const chainId = "cosmoshub-4";
+  const rpcEndpoint = "https://rpc.cosmos.directory/cosmoshub";
+  const bech32Prefix = "cosmos";
+
+  const mnemonic = process.env.MNEMONIC || raise("configure mnemonic in .env file");
+  const offlineSigner = await DirectSecp256k1HdWallet.fromMnemonic(mnemonic, { prefix: bech32Prefix });
+
+  const accounts = await offlineSigner.getAccounts();
+  const account = accounts[0] || raise("no account found");
+
+  const signingClient = await SigningStargateClient.connectWithSigner(rpcEndpoint, offlineSigner, {
+    gasPrice: GasPrice.fromString("0.025uatom"),
+  });
+
+  const sendTokenPayload = MsgSend.fromPartial({
+    fromAddress: account.address,
+    toAddress: addresses.griko_nibras,
+    amount: [{ amount: "10000", denom: "uatom" }],
+  });
+
+  const encodedSendTokenPayload = MsgSend.encode(sendTokenPayload).finish();
+
+  const messagesToSend: EncodeObject[] = [
+    {
+      typeUrl: "/cosmos.bank.v1beta1.MsgSend",
+      value: encodedSendTokenPayload,
+    },
+  ];
+
+  const response = await signingClient.signAndBroadcast(account.address, messagesToSend, "auto");
+
+  console.log(response);
+};
+
+const raise = (message?: string): never => {
+  throw new Error(message);
+};
+
+void run();

package.json

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+{
+  "scripts": {
+    "start": "tsx -r dotenv/config index.ts"
+  },
+  "dependencies": {
+    "@cosmjs/proto-signing": "^0.31.1",
+    "@cosmjs/stargate": "^0.31.1",
+    "@graz-sh/style-guide-core": "^4.0.1",
+    "@types/node": "^18.17.12",
+    "cosmjs-types": "^0.8.0",
+    "eslint": "^8.48.0",
+    "prettier": "^3.0.3",
+    "tsx": "^3.12.8"
+  },
+  "prettier": "@graz-sh/style-guide-core/prettier",
+  "private": true
+}