curl -X 'POST' \
  'https://stakingapi.infstones.com/cosmos/stake' \
  -H 'x-api-key: <access_token>' \
  -H 'Content-Type: application/json' \
  -d '{
  "wallet": "cosmos1kra2kneru7tsnjl4akuwapw8fmare3qjzhzkzr",
  "amount": "1"
}'

{
  "data": "c3d3bc2d-cb70-4753-a644-829220e85932"
}

curl -X 'POST' \
  'https://stakingapi.infstones.com/cosmos/unstake' \
  -H 'x-api-key: <access_token>' \
  -H 'Content-Type: application/json' \
  -d '{
  "wallet": "cosmos1kra2kneru7tsnjl4akuwapw8fmare3qjzhzkzr",
  "amount": "1"
}'

{
  "data": "0835b5d6-44e3-43cb-87cb-59655deea042"
}

curl -X 'POST' \
  'https://stakingapi.infstones.com/cosmos/claim' \
  -H 'x-api-key: <access_token>' \
  -H 'Content-Type: application/json' \
  -d '{
  "wallet": "cosmos1kra2kneru7tsnjl4akuwapw8fmare3qjzhzkzr"
}'

{
  "data": "a24f7ab9-cf01-48f8-a37e-8a0da2287ef9"
}

import { coins, makeCosmoshubPath } from "@cosmjs/amino"
import { DirectSecp256k1HdWallet, Registry } from "@cosmjs/proto-signing"
import {
    SigningStargateClient,
    calculateFee,
    GasPrice,
    StargateClient,
} from "@cosmjs/stargate"

const mnemonic = "<your_cosmos_wallet_mnemonic>"
const wallet = await DirectSecp256k1HdWallet.fromMnemonic(mnemonic)
const gasPrice = GasPrice.fromString("0.0025uatom")
const [account] = await wallet.getAccounts()

const rpcEndpoint = "<infstones_rpc_api_endpoint>"
const client = await SigningStargateClient.connectWithSigner(
    rpcEndpoint,
    wallet,
    { gasPrice: gasPrice }
)

// stake or unstake raw tx
const rawTx = {
    typeUrl: "<type_url>",  // "/cosmos.staking.v1beta1.MsgDelegate" | "/cosmos.staking.v1beta1.MsgUndelegate"
    value: {
        delegatorAddress: "<delegator_address>",
        validatorAddress: "<validator_address>",
        amount: {
            denom: "uatom",
            amount: "<amount>",
        },
    },
}

// claim raw tx
// const rawTx = {
//     typeUrl: "/cosmos.distribution.v1beta1.MsgWithdrawDelegatorReward",
//     value: {
//         delegatorAddress: "<delegator_address>",
//         validatorAddress: "<validator_address>",
//     },
// }

const memo = "<action_memo>"  // memo: 'stake' | 'unstake' | 'claim'
const gasEstimation = await client.simulate(account.address, [rawTx], memo)
const fee = calculateFee(Math.round(gasEstimation * 1.3), gasPrice)
const result = await client.signAndBroadcast(
    account.address,
    [rawTx],
    fee,
    memo
)

console.log("Successfully broadcasted:", result)