build(build): upgrade -dlgo version to 1.25.7 #33874

[gzliudan]

Proposed changes

Ref: ethereum#33874

Types of changes

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• build: Changes that affect the build system or external dependencies
• ci: Changes to CI configuration files and scripts
• chore: Changes that don't change source code or tests
• docs: Documentation only changes
• feat: A new feature
• fix: A bug fix
• perf: A code change that improves performance
• refactor: A code change that neither fixes a bug nor adds a feature
• revert: Revert something
• style: Changes that do not affect the meaning of the code
• test: Adding missing tests or correcting existing tests

Impacted Components

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• Consensus
• Account
• Network
• Geth
• Smart Contract
• External components
• Not sure (Please specify below)

Checklist

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• This PR has sufficient test coverage (unit/integration test) OR I have provided reason in the PR description for not having test coverage
• Tested on a private network from the genesis block and monitored the chain operating correctly for multiple epochs.
• Provide an end-to-end test plan in the PR description on how to manually test it on the devnet/testnet.
• Tested the backwards compatibility.
• Tested with XDC nodes running this version co-exist with those running the previous version.
• Relevant documentation has been updated as part of this PR
• N/A

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[Copilot]

Pull request overview

Updates the build dependency checksum database to bump the downloadable Go toolchain (-dlgo) from 1.25.1 to 1.25.7 (ref ethereum#33874), ensuring build tooling pulls and verifies the intended Go release artifacts.

Changes:

• Bump # version:golang to 1.25.7.
• Replace the stored SHA256 checksums to match the Go 1.25.7 distribution artifacts.

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[Copilot]

The golang version in the checksums DB is now 1.25.7, but the repo’s go.mod still pins toolchain go1.25.5. That means build/ci.go ... -dlgo will compile with a different patch version than the default toolchain selection, which can undermine reproducibility and make local/CI results diverge. Consider updating go.mod’s toolchain to go1.25.7 (or adjusting this checksum version) so the toolchain versions are aligned.