@ocap/client NPM

Client library to connect your app with forge powered blockchain node, all requests are sent over http/https, can be used in both Node.js and browser environment.

A GraphQLClient instance mainly supports 5 groups of methods that saves you time when read/write data from/to blockchain.

queries: query block/transaction/account/asset/chain/node data form the blockchain
mutations: send transaction to the blockchain, sendTx, all transactions should be signed before sending out to the blockchain
subscriptions: listen to changes of any data on the blockchain
senders: shortcut methods that takes a wallet and a tx object, then do the signing, and sending
encoders: shortcut methods that takes a wallet and a tx object, encode the transaction for later signing, used internally by senders

Install

npm i @ocap/client -S
# OR
pnpm install @ocap/client

Usage

const Mcrypto = require('@ocap/mcrypto');
const GraphQLClient = require('@ocap/client');
const { fromRandom, WalletType } = require('@ocap/wallet');
const { hexToBytes } = require('@ocap/util');

const client = new GraphQLClient('http://localhost:8210/api');
console.log({
  queries: client.getQueries(),
  subscriptions: client.getSubscriptions(),
  mutations: client.getMutations(),
  senders: client.getTxSendMethods(),
  encoders: client.getTxEncodeMethods(),
});

(async () => {
  // Query chain state data
  const chainInfo = await client.getChainInfo();
  const forgeState = await client.getForgeState();
  const block = await client.getBlock({ height: 2 });
  console.log('getChainInfo', chainInfo);
  console.log('getForgeState', forgeState);
  console.log('getBlock', block);

  // Send transaction
  const wallet = fromRandom(
    WalletType({
      role: Mcrypto.types.RoleType.ROLE_ACCOUNT,
      pk: Mcrypto.types.KeyType.SECP256K1,
      hash: Mcrypto.types.HashType.SHA3,
    })
  );
  const hash = await client.declare({
    moniker: 'username',
    wallet,
  });
  console.log(hash);
})();

Examples

Debugging

If you are in Node.js: DEBUG=@ocap/client node script.js
If you are in browser: localStorage.setItem('DEBUG', '@ocap/client')

Documentation

Query arguments and response structure can be found here: QUERIES.md
Complete method list can be found here: README.md

graphql client blockchain arcblock

@everything-registry/sub-chunk-675 @blocklet/store @blocklet/hooks @abtnode/cli @abtnode/auth @abtnode/blocklet-services @abtnode/util @abtnode/ux @infinitebrahmanuniverse/nolb-_oc payment-kit @arcblock/arcli @arcblock/did-auth @arcblock/nft @ocap/e2e-test @ocap/tx-pipeline @ocap/tx-protocols @ocap/sdk @ocap/tx-util

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@ocap/client v1.20.14

Table of Contents

Install

Usage

Examples

Debugging

Documentation