Function verifyAirnodeXpub

packages/airnode-admin/src/implementation.ts:138–147

(airnodeXpub: string, airnodeAddress: string)

};

export const verifyAirnodeXpub = (airnodeXpub: string, airnodeAddress: string): ethers.utils.HDNode => {
  // The xpub is expected to belong to the hardened path m/44'/60'/0'
  // so we must derive the child default derivation path m/44'/60'/0'/0/0
  // to compare it and check if xpub belongs to the Airnode wallet
  const hdNode = ethers.utils.HDNode.fromExtendedKey(airnodeXpub);
  if (airnodeAddress !== hdNode.derivePath('0/0').address) {
    throw new Error(`xpub does not belong to Airnode: ${airnodeAddress}`);
  }
  return hdNode;
};

export function deriveSponsorWalletAddress(airnodeXpub: string, airnodeAddress: string, sponsorAddress: string) {
  const hdNode = verifyAirnodeXpub(airnodeXpub, airnodeAddress);