Create Attestation

Creates a new attestation under a specific credential and schema. This instruction allows authorized signers to create attestations that contain verified data and have a defined expiration time.

Parameters

Returns

Returns a TransactionBuilder that can be used to build and send the transaction.

Example

import { getCreateAttestationInstruction } from "sas-lib";

const transaction = getCreateAttestationInstruction({
  payer: payerSigner,
  authority: authoritySigner,
  credential: credentialPublicKey,
  schema: schemaPublicKey,
  attestation: attestationPublicKey,
  systemProgram: systemProgramPublicKey,
  nonce: noncePublicKey,
  data: attestationData,
  expiry: expiryTimestamp
});

// Send the transaction
await transaction.sendAndConfirm();

Important Notes

• Only authorized signers of the credential can create attestations
• The authority must be a signer of the transaction
• The payer must be a signer of the transaction
• The attestation account must be writable
• The credential and schema accounts must be readable
• This operation requires the System Program for rent exemption calculations
• The schema must not be paused
• The data must conform to the schema's structure and validation rules
• The nonce must be unique for each attestation
• The expiry timestamp must be in the future
• The attestation will be invalid after the expiry timestamp
• The credential must be associated with the schema