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Transactions — HCS‑2 Builders

Note

  • These builders are for direct transaction construction (e.g., with the Standards Agent Kit or custom pipelines).
  • For most applications, prefer the higher‑level client (Node/Go) or browser client (wallet).

Sources

Create Registry — buildHcs2CreateRegistryTxDirect link to Create Registry — buildHcs2CreateRegistryTx​

import { buildHcs2CreateRegistryTx } from '@hashgraphonline/standards-sdk';

const tx = buildHcs2CreateRegistryTx({ registryType: 0, ttl: 86400, adminKey: true, submitKey: true });
await (await tx.execute(client)).getReceipt(client);

Memo

  • Defaults to hcs-2:<type>:<ttl> unless memoOverride is provided.

Register Entry — buildHcs2RegisterTxDirect link to Register Entry — buildHcs2RegisterTx​

import { buildHcs2RegisterTx } from '@hashgraphonline/standards-sdk';

const tx = buildHcs2RegisterTx({
  registryTopicId: '0.0.111',
  targetTopicId: '0.0.222',
  metadata: 'https://example.com/metadata.json',
  memo: 'register',
});
await (await tx.execute(client)).getReceipt(client);

Update Entry — buildHcs2UpdateTxDirect link to Update Entry — buildHcs2UpdateTx​

buildHcs2UpdateTx({
  registryTopicId: '0.0.111',
  uid: '1',              // sequence number to update
  targetTopicId: '0.0.333',
  metadata: 'https://example.com/new.json',
  memo: 'updated',
});

Delete Entry — buildHcs2DeleteTxDirect link to Delete Entry — buildHcs2DeleteTx​

buildHcs2DeleteTx({
  registryTopicId: '0.0.111',
  uid: '1',              // sequence number to delete
  memo: 'removed',
});

Migrate Registry — buildHcs2MigrateTxDirect link to Migrate Registry — buildHcs2MigrateTx​

buildHcs2MigrateTx({
  registryTopicId: '0.0.111',
  targetTopicId: '0.0.999',    // new registry topic id
  metadata: 'migration v2',
  memo: 'migrate',
});