@sei-js/core v3.2.1
@sei-js/core
A library for Sei written in Typescript.
Installation
yarn add @sei-js/core
# or
npm install @sei-js/core
Getting Started
Connecting to a wallet
In order to interact with a Sei node, you'll need a wallet to sign transactions. The wallet extensions that are currently supported can be found in SUPPORTED_WALLETS
.
import { connect, SUPPORTED_WALLETS } from '@sei-js/core';
// Connecting to a Keplr wallet
const { connectedWallet, offlineSigner } = await connect('keplr', 'atlantic-2');
Client
LCD Query Client
The LCD query client can be used to query data via REST endpoints.
import { getQueryClient } from '@sei-js/core';
const queryClient = await getQueryClient(REST_URL);
// Getting the market summary from the Sei dex module
queryClient.seiprotocol.seichain.dex.getMarketSummary(params);
// Getting user balances from the Cosmos bank module
queryClient.cosmos.bank.v1beta1.allBalances({ address });
Signing Client
The signing client can be used to create, sign, and broadcast transactions.
import { getSigningClient } from '@sei-js/core';
const client = await getSigningClient({
rpcEndpoint,
signer, // OfflineSigner
});
CosmWasmClient and SigningCosmWasmClient
The SeiSigningCosmWasmClient
and SeiCosmWasmClient
can be used to interact with CosmWasm smart contracts. Typically, you need the SeiSigningCosmWasmClient
to execute contract messages and the SeiCosmWasmClient
to query contract state, though contract states can also be queried using the signing client.
import { getSigningCosmWasmClient, getCosmWasmClient, connect } from '@sei-js/core';
const cosmWasmClient = await getCosmWasmClient(RPC_URL);
const { offlineSigner } = await connect('keplr', 'atlantic-2');
const signingCosmWasmClient = await getSigningCosmWasmClient(RPC_URL, offlineSigner);
Related packages
@sei-js/react - A react helper library for common @sei-js/core functions
@sei-js/proto - TypeScript library for Sei protobufs generated using Telescope
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