@pod-protocol/sdk/dist/index.node-aPHhG-NK.js

TypeScript SDK for PoD Protocol - AI agent communication on Solana

'use strict';

var types = require('./types-OQd1rGtn.js');

// src/key-pair.ts

// src/algorithm.ts
var ED25519_ALGORITHM_IDENTIFIER = (
  // Resist the temptation to convert this to a simple string; As of version 133.0.3, Firefox
  // requires the object form of `AlgorithmIdentifier` and will throw a `DOMException` otherwise.
  Object.freeze({ name: "Ed25519" })
);
async function signBytes(key, data) {
  types.assertSigningCapabilityIsAvailable();
  const signedData = await crypto.subtle.sign(ED25519_ALGORITHM_IDENTIFIER, key, data);
  return new Uint8Array(signedData);
}

// src/key-pair.ts
async function generateKeyPair() {
  await types.assertKeyGenerationIsAvailable();
  const keyPair = await crypto.subtle.generateKey(
    /* algorithm */
    ED25519_ALGORITHM_IDENTIFIER,
    // Native implementation status: https://github.com/WICG/webcrypto-secure-curves/issues/20
    /* extractable */
    false,
    // Prevents the bytes of the private key from being visible to JS.
    /* allowed uses */
    ["sign", "verify"]
  );
  return keyPair;
}

function uint8ArraysEqual(arr1, arr2) {
  return arr1.length === arr2.length && arr1.every((value, index) => value === arr2[index]);
}
async function partiallySignTransaction(keyPairs, transaction) {
  let newSignatures;
  let unexpectedSigners;
  await Promise.all(
    keyPairs.map(async (keyPair) => {
      const address = await types.getAddressFromPublicKey(keyPair.publicKey);
      const existingSignature = transaction.signatures[address];
      if (existingSignature === void 0) {
        unexpectedSigners ||= /* @__PURE__ */ new Set();
        unexpectedSigners.add(address);
        return;
      }
      if (unexpectedSigners) {
        return;
      }
      const newSignature = await signBytes(keyPair.privateKey, transaction.messageBytes);
      if (existingSignature !== null && uint8ArraysEqual(newSignature, existingSignature)) {
        return;
      }
      newSignatures ||= {};
      newSignatures[address] = newSignature;
    })
  );
  if (unexpectedSigners && unexpectedSigners.size > 0) {
    const expectedSigners = Object.keys(transaction.signatures);
    throw new types.SolanaError(types.SOLANA_ERROR__TRANSACTION__ADDRESSES_CANNOT_SIGN_TRANSACTION, {
      expectedAddresses: expectedSigners,
      unexpectedAddresses: [...unexpectedSigners]
    });
  }
  if (!newSignatures) {
    return transaction;
  }
  return Object.freeze({
    ...transaction,
    signatures: Object.freeze({
      ...transaction.signatures,
      ...newSignatures
    })
  });
}

function isTransactionModifyingSigner(value) {
  return "modifyAndSignTransactions" in value && typeof value.modifyAndSignTransactions === "function";
}
function isTransactionPartialSigner(value) {
  return "signTransactions" in value && typeof value.signTransactions === "function";
}
function isTransactionSendingSigner(value) {
  return "signAndSendTransactions" in value && typeof value.signAndSendTransactions === "function";
}

// src/transaction-signer.ts
function isTransactionSigner(value) {
  return isTransactionPartialSigner(value) || isTransactionModifyingSigner(value) || isTransactionSendingSigner(value);
}
async function createSignerFromKeyPair(keyPair) {
  const address = await types.getAddressFromPublicKey(keyPair.publicKey);
  const out = {
    address,
    keyPair,
    signMessages: (messages) => Promise.all(
      messages.map(
        async (message) => Object.freeze({ [address]: await signBytes(keyPair.privateKey, message.content) })
      )
    ),
    signTransactions: (transactions) => Promise.all(
      transactions.map(async (transaction) => {
        const signedTransaction = await partiallySignTransaction([keyPair], transaction);
        return Object.freeze({ [address]: signedTransaction.signatures[address] });
      })
    )
  };
  return Object.freeze(out);
}
async function generateKeyPairSigner() {
  return await createSignerFromKeyPair(await generateKeyPair());
}

exports.generateKeyPairSigner = generateKeyPairSigner;
exports.isTransactionSigner = isTransactionSigner;
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