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@mantrachain/mantrajs

v1.0.0-beta.2

Published

JS and TS types relating to Protocol Buffers for MANTRA Chain

Downloads

238

Readme

MANTRA Chain Kit - MANTRAJS

npm downloads npm npm

Installation

npm install @mantrachain/mantrajs

Usage

Import the package

import { mantrachain } from "@mantrachain/mantrajs/index";

or

const mantrachain = require('@mantrachain/mantrajs');

Query Balances (LCD Client)

    const client = await mantrachain.ClientFactory.createAppApiClient({
      restEndpoint,
    });

    const response = await client.cosmos.bank.v1beta1.allBalances({
      address: "mantra15m77x4pe6w9vtpuqm22qxu0ds7vn4ehzwx8pls",
      resolveDenom: false,
    });

Response:

    {
      balances: [
        {
          denom: 'factory/mantra15m77x4pe6w9vtpuqm22qxu0ds7vn4ehzwx8pls/MATT2',
          amount: '250'
        },
        { denom: 'uom', amount: '78883121160383' }
      ],
      pagination: { next_key: null, total: '2' }
    }

Query Balance (RPC Client)

    const client = await mantrachain.ClientFactory.createAppRPCQueryClient({
      rpcEndpoint,
    });

    const response = await client.cosmos.bank.v1beta1.allBalances({
      address: "mantra15m77x4pe6w9vtpuqm22qxu0ds7vn4ehzwx8pls",
      resolveDenom: false,
    });

Response:

    {
      balances: [
        {
          denom: 'factory/mantra15m77x4pe6w9vtpuqm22qxu0ds7vn4ehzwx8pls/MATT2',
          amount: '250'
        },
        { denom: 'uom', amount: '78883121160383' }
      ],
      pagination: { nextKey: Uint8Array(0) [], total: 2n }
    }

Signing Transactions

Use the MessageComposer in the required namespace to create the message and the SigningMantrachainClient to sign and broadcast. For example to using the Cosmos SDK Bank Send:

const wallet = await DirectSecp256k1HdWallet.fromMnemonic(mnemonicSender, {
      prefix: "mantra",
    });
    const accounts = await wallet.getAccounts();
    const address = accounts[0].address;

    const signingClient = await getSigningMantrachainClient({
      rpcEndpoint,
      signer: wallet,
    });

    const { send } = cosmos.bank.v1beta1.MessageComposer.withTypeUrl;

    const sendMsg = send({
      fromAddress: address,
      toAddress: "mantra12z5kd26nlggsrmt3dx3v3eyxy7pmgdz5h7qf4t",
      amount: [{ denom: "uom", amount: "1000" }],
    });

    const fee = { amount: [{ denom: "uom", amount: "5000" }], gas: "200000" };

    const response = await signingClient.signAndBroadcast(
      address,
      [sendMsg],
      fee,
      "Test transfer"
    );

Contributors

First Build?

This repo uses submodules that need to be synced. The first time you clone this repo and build follow the following steps:

  1. Run git submodule update --init --recursive --remote
  2. Run cd packages/mantrajs && ./scripts/set-versions.sh
  3. Run npm install
  4. Run npm run rebuild

Tests

Test are run against the DuKong Test Network and only test a limited number of items. For more comprehensive tests use the E2E test repo.

To run the tests:

npm test

Submodules

The proto files are referenced from the submodules. You can modify and use ./scripts/set-versions.sh to set the versions/commits you wish to use for each submodule.

If it's the first time you check-out a repo you need to use --init first:

git submodule update --recursive --remote

otherwise use:

git submodule update --recursive

or

git pull --recurse-submodules

Adding a new Cosmos SDK Module

  1. To add a new submodule use:
git submodule add -f [email protected]:skip-mev/feemarket.git packages/mantrajs/protos/feemarket-src

then checkout the version/commit you want use the script or manually run it

git -C protos/feemarket-src checkout v1.1.1

NOTE: you should update ./scripts/set-versions.sh and run it

  1. then in package.json add the new protogen:newxxx task and update the clean task

  2. next update ./scripts/codegen.js

git submodule add -f [email protected]:MANTRA-Chain/mantrachain.git packages/mantrajs/protos/mantrachain-src git submodule add -f [email protected]:MANTRA-Chain/cosmos-sdk.git packages/mantrajs/protos/cosmos-sdk-src git submodule add -f [email protected]:skip-mev/connect.git packages/mantrajs/protos/connect-src git submodule add -f [email protected]:cosmos/ibc-go.git packages/mantrajs/protos/ibc-go-src