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Awesome AssetMantle

Hi, welcome to our developer documentation. Here, you will find everything about AssetMantle. Stay tuned, we will update this docs gradually.

Examples

This section includes examples related to mantle-1 chain. Gradually, we will update this section thoroughly.

JavaScript

  • Generate an address from mnemonics

    // JavaScript Examples

import { DirectSecp256k1HdWallet } from "@cosmjs/proto-signing";
import { stringToPath } from "@cosmjs/crypto";

const mnemonic = "<your mnemonic>";
const wallet = await DirectSecp256k1HdWallet.fromMnemonic(
  mnemonic,
  { prefix: "mantle" },
  stringToPath("m/44'/118'/0'/0/0")
);
const account = await wallet.getAccounts();
console.log(account[0].address);

// result: Output Structure

mantle1g9szh5sg0kps4k30343kswgvlus2wn7v2ecfkk;

  • Send your transaction to mantle address

    // JavaScript Examples

import { DirectSecp256k1HdWallet } from "@cosmjs/proto-signing";
import { stringToPath } from "@cosmjs/crypto";
import {
  assertIsDeliverTxSuccess,
  SigningStargateClient,
  calculateFee,
  GasPrice,
  coins,
} from "@cosmjs/stargate";

const mnemonic = "<your mnemonics here>";
const wallet = await DirectSecp256k1HdWallet.fromMnemonic(
  mnemonic,
  { prefix: "mantle" },
  stringToPath("m/44'/118'/0'/0/0")
);
const account = await wallet.getAccounts();
const rpcURL = "https://rpc.assetmantle.one";
const rpcClient = await SigningStargateClient.connectWithSigner(
  rpcURL,
  wallet
);
const recipient = "<reciver account address>";

const tokens = coins(1000, "umntl");
const gasFee = {
  amount: [
    {
      denom: "umntl",
      amount: "0",
    },
  ],
  gas: "200000",
};

const txHashOut = await rpcClient.sendTokens(
  account[0].address,
  recipient,
  tokens,
  gasFee,
  "Transaction"
);
assertIsDeliverTxSuccess(txHashOut);

  • Create new account on mantle-1 chain

    // JavaScript Examples

import { DirectSecp256k1HdWallet } from "@cosmjs/proto-signing";
import { stringToPath } from "@cosmjs/crypto";

const wallet = await DirectSecp256k1HdWallet.generate(
    24,
    { prefix: "mantle" },
    stringToPath("m/44'/118'/0'/0/0")
);

console.log(wallet.mnemonic);
const account = await wallet.getAccounts();
console.log(account[0].address);

// result: Output Structure

become whale old bleak goose leader vivid armed digital shuffle fire input donor perfect patch found illegal basic vanish feel man try fall cactus
mantle1y7pmvzpgwfvvq6zupqjfcgntauc90ww73wxs8s

Use Cases

So, this section includes use cases of mantleNode, RPC Endpoint, Websockets, REST, or LCD Endpoint.

🚀 NOTE: Please, make sure you download essential packages, to test below examples. Packages: go, jq, gcc, make, curl, git, vim and mantleNode (from github).

MantleNode

  • Initialize the default configurations

    # --keyring-backend and --home flags are optional
mantleNode init "<your-moniker-name>" --chain-id "mantle-1" --home "/home/node/.mantleNode

  • Create keys on your remote system

    # --keyring-backend and --home flags are optional
mantleNode keys add "<key-name>" --keyring-backend "os" --home "/home/node/.mantleNode"

  • Recover your keys with mnemonics on your remote system

    # --keyring-backend and --home flags are optional
mantleNode keys add "<key-name>" --recover --keyring-backend "os" --home "/home/node/.mantleNode"

  • Or, if you want to import your keys from private keyfile

    # --keyring-backend and --home flags are optional
mantleNode keys import "<key-name>" "<key-file>" --keyring-backend "os" --home "/home/node/.mantleNode"

  • Query your account balance

    mantleNode query bank balances "<address>" --chain-id "mantle-1" --node "https://rpc.assetmantle.one:443" --output "json"

  • Query your account (address, number, sequences, and pub_key)

    mantleNode query account "<address>" --chain-id "mantle-1" --node "https://rpc.assetmantle.one:443" --output "json"

Websockets

  • Subscribe an event which output new block events

    • Wesocket Example
    {
  "jsonrpc": "2.0",
  "method": "subscribe",
  "params": ["tm.event='NewBlock'"],
  "id": 1
}
    • Result Output Structure (snipped ...)
    {
"jsonrpc": "2.0",
"id": 1,
"result": {
    "query": "tm.event='NewBlock'",
    "data": {
    "type": "tendermint/event/NewBlock",
    "value": {
        "block": {
        "header": {
            "version": {
            "block": "11"
            },
            "chain_id": "mantle-1",
            "height": "1494200",

  • Subscribe an event which output latest transaction events

    • Websocket Example
    {
  "jsonrpc": "2.0",
  "method": "subscribe",
  "params": ["tm.event='Tx'"],
  "id": 1
}
    • Result Output Structure (snipped ...)
    {
"jsonrpc": "2.0",
"id": 1,
"result": {
    "query": "tm.event='NewBlock'",
    "data": {
    "type": "tendermint/event/NewBlock",
    "value": {
        "block": {
        "header": {
            "version": {
            "block": "11"
            },
            "chain_id": "mantle-1"

  • Subscribe an event which output latest incoming transactions to a particular address events

    • Websocket Example
    {
  "jsonrpc": "2.0",
  "method": "subscribe",
  "params": [
    "tm.event = 'Tx' AND transfer.recipient = 'mantle1907n5d2xwy3av597y6347dsc2ktpl2d9u0j4tu'"
  ],
  "id": 1
}

    • Result Output Structure (snipped ...)

      {
    "jsonrpc": "2.0",
    "id": 1,
    "result": {
        "query": "tm.event = 'Tx' AND transfer.recipient = 'mantle1907n5d2xwy3av597y6347dsc2ktpl2d9u0j4tu'",
        "data": {
        "type": "tendermint/event/Tx",
        "value": {
            "TxResult": {
            "height": "1468096",
            "index": 2,
            "tx":

Rest Endpoints

  • Get the latest blocks
curl -sL -X GET "https://rest.assetmantle.one/blocks/latest" -H "accept: application/json" | jq "."
  • Get a block at certain height
curl -sL -X GET "https://rest.assetmantle.one/blocks/1" -H "accept: application/json" | jq "."
  • Get the latest validator set
curl -sL -X GET "https://rest.assetmantle.one/validatorsets/latest" -H "accept: application/json" | jq "."
  • Get the validator set at certain height
curl -sL -X GET "https://rest.assetmantle.one/validatorsets/1" -H "accept: application/json" | jq "."
  • Get a transaction by hash
curl -sL -X GET "https://rest.assetmantle.one/cosmos/tx/v1beta1/txs/41DDF1E326454CF6E6719D5E2D68DBE6AFE747C39FAF7BB3374029F36AA30EB0" -H "accept: application/json" | jq "."
  • Total Supply of coins in a chain
curl -sL -X GET "https://rest.assetmantle.one/bank/total" -H "accept: application/json" | jq "."
  • Total Supply of particular coin in a chain
curl -sL -X GET "https://rest.assetmantle.one/bank/total/umntl" -H "accept: application/json" | jq "."

RPC Endpoints

Resources

This section includes official, developer, community, and social resources.

Official Resources

Developer repositories

Official Endpoints

We provide following endpoints to help developers for integration

Protocol Endpoints
RPC https://rpc.assetmantle.one
REST https://rest.assetmantle.one
GRPC grpc://grpc.assetmantle.one
WSS wss://rpc.assetmantle.one:443/websocket

State-Sync

To use statesync, change the following under config.toml

[statesync]
enable = true
rpc_servers = "https://rpc.assetmantle.one:443,https://rpc.assetmantle.one:443"
trust_height = 0
trust_hash = ""
trust_period = "112h0m0s"

and use a trusted height from the rpc, recent height will work as well

curl -s https://rpc.assetmantle.one/status | jq '.result .sync_info | {trust_height: .latest_block_height, trust_hash: .latest_block_hash} | values'

Validator Contributions

This section includes validator contributions:

Wallets

Explorer

Monitoring

Relayers

RPCs

Bots & Toolings