config: add EnableBatchVerification option

[cce]

Summary

This enables by default the ed25519consensus BatchVerifier implementation from #6440. It can be disabled in case of unexpected issues if necessary.

Test Plan

Existing tests should pass.

[Copilot]

Pull Request Overview

This PR adds a new configuration option EnableBatchVerification to control the use of ed25519 batch verification in the consensus algorithm, defaulting to enabled. This builds on work from PR #6440 by providing an option to disable the feature if issues arise.

Key changes include:

• Added the new configuration option with default value true
• Updated configuration version from 36 to 37
• Integrated the batch verifier setting into the main application startup

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
test/testdata/configs/config-v37.json	New test configuration file with version 37 including the EnableBatchVerification option
installer/config.json.example	Updated example config to version 37 with the new batch verification option
config/local_defaults.go	Updated default configuration version and added EnableBatchVerification default
config/localTemplate.go	Added EnableBatchVerification field definition to the Local struct
cmd/algod/main.go	Added call to configure the batch verifier based on the configuration setting

Comments suppressed due to low confidence (1)

config/localTemplate.go:1

• Corrected spelling of 'Transcations' to 'Transactions'.

// Copyright (C) 2019-2025 Algorand, Inc.

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