Supports Stellar Protocol version 17.0

Assumptions

• all
  • support Promises
• browser
  • support atob, btoa
  • support crypto.subtle.digest
  • support crypto.getRandomValues
  • support URL
  • support fetch
  • support EventSource
  • support Number.MIN_SAGE_INTEGER, Number.MAX_SAFE_INTEGER, isNaN, isFinite
• non browser
  • support Buffer
  • support built in module url