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README.md

Convert public key to long account ID format

Code

The convert.js file in this directory demonstrates how to do the above.

Try it out:

node ./convert.js

This performs the conversion using 2 distinct methods:

For the first method, which queries the Mirror Node APIs, this should produce the following output:

  • It reads in the account ID and private key from a .env file
  • It derives a public key from the private key
  • Next it queries a Mirror Node API with the public key
  • Finally it parses the Mirror Node API response to extract the account ID
** Method 1: Use Mirror Node API
         operatorId: 0.0.1186
accountInfoFetchUrl: https://testnet.mirrornode.hedera.com/api/v1/accounts?account.publickey=302a300506032b657003210030a028ee7fd716c438de818a8831ed2235d0f85e430ab036dbfac173eb50aef9&balance=false&limit=1&order=desc
  operatorIdDerived: CIQDBIBI5Z75OFWEHDPIDCUIGHWSENOQ7BPEGCVQG3N7VQLT5NIK56I

For the second method, which performs the conversion locally using the process described in HIP-32, this should produce the following output:

  • It uses the same public key obtained in Method 1
  • Next it prepends 0x1220 to it to mimic protobuf serialisation
  • Finally applies a IETF RFC 4648 base32url conversion, as specified in HIP-32
** Method 2: Use IETF RFC 4648 base32 URL, as defined in HIP-32
             operatorId: 0.0.1186
operatorPublicKeyRawStr: 30a028ee7fd716c438de818a8831ed2235d0f85e430ab036dbfac173eb50aef9
         protoBufPrefix: 1220
   operatorIdDerivedRaw: CIQDBIBI5Z75OFWEHDPIDCUIGHWSENOQ7BPEGCVQG3N7VQLT5NIK56I

References