SDK Documentation

The @belizechain/gem-sdk provides a JavaScript/TypeScript interface for all GEM smart contracts. Full TypeScript definitions are included with interfaces for Balance, TokenMetadata, Proposal, FaucetStats, and TransactionResult.

npm install @belizechain/gem-sdk @polkadot/api @polkadot/api-contract

const { GemSDK } = require('@belizechain/gem-sdk');

const sdk = new GemSDK('ws://localhost:9944');
await sdk.connect();

const alice = sdk.getAccount('//Alice');
const balance = await sdk.getBalance(alice.address);
console.log('Free:', balance.free);

await sdk.dallaTransfer(
  '5GD4w5...NVsNB',  // DALLA contract
  alice,              // sender
  bob.address,        // recipient
  100000000000000     // 100 DALLA (12 decimals)
);

await sdk.nftMint(
  '5Ho6Ks...iFQL7',       // BeliNFT contract
  alice,                   // minter (owner)
  bob.address,             // recipient
  'ipfs://QmYourHash'      // token URI
);

const proposalId = await sdk.daoCreateProposal(
  '5DAOAddress',
  alice,
  'Increase treasury allocation'
);

await sdk.daoVote('5DAOAddress', alice, proposalId, true);