Client Setup

import { createLumeraClient, getKeplrSigner } from "@lumera-protocol/sdk-js";
 
const CHAIN_ID = "lumera-testnet-2";
 
// Connect Keplr wallet
await window.keplr.experimentalSuggestChain({
  chainId: CHAIN_ID,
  chainName: "Lumera Testnet",
  rpc: "https://rpc.testnet.lumera.io",
  rest: "https://lcd.testnet.lumera.io",
  bip44: { coinType: 118 },
  bech32Config: {
    bech32PrefixAccAddr: "lumera",
    bech32PrefixAccPub: "lumerapub",
    bech32PrefixValAddr: "lumeravaloper",
    bech32PrefixValPub: "lumeravaloperpub",
    bech32PrefixConsAddr: "lumeravalcons",
    bech32PrefixConsPub: "lumeravalconspub",
  },
  currencies: [{ coinDenom: "LUME", coinMinimalDenom: "ulume", coinDecimals: 6 }],
  feeCurrencies: [
    {
      coinDenom: "LUME",
      coinMinimalDenom: "ulume",
      coinDecimals: 6,
      gasPriceStep: { low: 0.025, average: 0.03, high: 0.04 },
    },
  ],
  stakeCurrency: { coinDenom: "LUME", coinMinimalDenom: "ulume", coinDecimals: 6 },
});
 
await window.keplr.enable(CHAIN_ID);
 
const signer = await getKeplrSigner(CHAIN_ID);
const accounts = await signer.getAccounts();
const address = accounts[0].address;
 
const client = await createLumeraClient({
  preset: "testnet",
  signer,
  address,
  gasPrice: "0.025ulume",
});

import { createLumeraClient, getLeapSigner } from "@lumera-protocol/sdk-js";
 
// Leap uses the same chain suggestion format as Keplr
await window.leap.experimentalSuggestChain({ /* same config as above */ });
await window.leap.enable("lumera-testnet-2");
 
const signer = await getLeapSigner("lumera-testnet-2");
const accounts = await signer.getAccounts();
 
const client = await createLumeraClient({
  preset: "testnet",
  signer,
  address: accounts[0].address,
  gasPrice: "0.025ulume",
});

import { createLumeraClient } from "@lumera-protocol/sdk-js";
import { DirectSecp256k1HdWallet } from "@cosmjs/proto-signing";
 
const wallet = await DirectSecp256k1HdWallet.fromMnemonic(
  process.env.LUMERA_MNEMONIC!,
  { prefix: "lumera" }
);
const [account] = await wallet.getAccounts();
 
const client = await createLumeraClient({
  preset: "testnet",
  signer: wallet,
  address: account.address,
  gasPrice: "0.025ulume",
});

interface CreateLumeraClientOptions {
  // Use a preset for testnet or mainnet endpoints
  preset?: "testnet" | "mainnet";
 
  // Or specify endpoints manually
  rpcEndpoint?: string;
  lcdEndpoint?: string;
  snapiEndpoint?: string;
 
  // Signer (wallet or DirectSecp256k1HdWallet)
  signer?: OfflineSigner;
 
  // Sender address
  address?: string;
 
  // Gas price for transaction fee estimation
  gasPrice?: string;
}

const client = await createLumeraClient({
  rpcEndpoint: "http://localhost:26657",
  lcdEndpoint: "http://localhost:1317",
  snapiEndpoint: "http://localhost:8080",
  signer: wallet,
  address: account.address,
  gasPrice: "0.025ulume",
});

// Blockchain operations
client.Blockchain.getActionParams();
client.Blockchain.getAction(actionId);
client.Blockchain.getActionFee(dataSizeBytes);
client.Blockchain.getSupernodes();
 
// Cascade storage operations
client.Cascade.uploader.uploadFile(file, options);
client.Cascade.uploader.prepareFile(file);
client.Cascade.uploader.registerAction(prepared, options);
client.Cascade.uploader.sendFileToSupernodes(actionId, sig, file, options);
client.Cascade.downloader.download(actionId);
client.Cascade.downloader.downloadFile(options);