TestNet and MainNet Update: 3.0.1

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MainNet and TestNet have been updated to 3.0.1 today, Wed Sep 29th, 2021 10:30 AM EDT (14:30 UTC)

If you have your node set to automatic updates, you don’t need to do anything. It will automatically update to the newer version whenever that becomes available.

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IMPORTANT
This release requires a protocol upgrade.
This release contains a consensus protocol upgrade, which implements the following spec: GitHub - algorandfoundation/specs at bc36005dbd776e6d1eaf0c560619bb183215645c

Highlights

This release features the 1.0 version of AVM, extending Algorand’s smart contract capabilities for even greater composability. Highlights in this release include:

  • Application transactions: the ability for smart contracts to execute transactions on directly on chain.
  • App cost pooling: larger contract size, by combining the budgets across an application group.
  • Increased account smart contract limit to 50
  • More smart contract opcodes to improve composability (inner transaction references, verify ECDSA, log, and others)
  • Debugging for itxn programs and include a bugfix for dryrun crashes.

Changes

  1. AVM
    • Added
      • Add GroupID as an accessible global field in AVM (#2838)
      • Add opcodes for dynamically indexing into Txn array fields (#2847)
      • Implement verify ECDSA secp256k1 opcodes (#2852)
      • Introduce itxn to get inner transaction results (#2883)
      • Smart contracts can issue transactions (#2661)
      • loads and stores opcodes that take scratch slot from stack (#2853)
    • Changed
      • Better naming for extract opcodes (#2891)
      • Check if tx_field can be set with tables instead of switch (#2849)
      • Dry run should return opcode cost used (#2746)
      • Ensure that AssetCreator is not used before proto.LogicSigVersion=5 and unify field handling (#2784)
      • Expose nonparticipation txn field in teal (#2823)
      • Increase max app opt ins to 50 (#2750)
      • Make config.MaxLogCalls dependent on some consensus param (#2732)
      • Use math.bits intrinsics to simplify addw/mulw opcodes (#2839)
    • Fixed
      • Ensure disassemble/reassemble cycle works in testProg (#2745)
      • Increase coverage in AVM code and bug fix in account fields of tx_field (#2840)
  2. Goal

    • Changed

      • Display app address in goal app info & show logs are binary in REST API (#2836)
      • Display extra pages in goal info commands (#2763)

    • Fixed

      • Fix enumeration bug with using Ledger Nano S and goal (#2822)
  3. TEAL
    • Added
      • Enable debugging itxn programs (#2900)
    • Fixed
      • Fix dryrun crash on rewards calculation (#2894)
  4. Ledger
    • Added
      • Add ledger.GetBlockAddresses() (#2872)
    • Changed
      • Fix overriding consensus parameters in evaluator. (#2811)
      • Simplify startEvaluator() (#2812)
  5. Network
    • Fixed
      • Fix ParseHostOrURL and enable expect tests (#2772)
  6. Tools
    • Changed
      • Improve error message in update.sh when updater is corrupt (#2766)
      • Netgoal - add account balance range (#2771)
  7. Other
    • Changed
      • Add comments for protocol hash IDs and tags (#2774)
      • Checking CircleCI tests run once and only once (#2749)
      • Fix go vet issues (#2826)
      • Limit the number of buckets in verifiedTransactionCache to 3 (#2775)
      • Remove codegen from travis file (#2768)

Additional Resources

To update your current version, run the following goal command:

./update.sh -c stable -i -d <data-directory> -n

If you haven’t already done so, we also advise setting up a CRON job to automatically update your algorand networks. If you haven’t done this yet,
you can follow the instructions here:

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