Specify private key in the evm deposit-and-call command

[yedeyu]

Added private key parameter to the swap command example to match the style of the other parts in the tutorial and to avoid the following error:

Failed to retrieve private key: Private key not found
Error during depositAndCall to EVM: Failed to retrieve private key: Private key not found

Summary by CodeRabbit

• Documentation
  • Updated Swap tutorial to document the --private-key flag for the cross-chain deposit command, enabling developers to directly provide sender credentials during cross-chain operations.

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[coderabbitai]

📝 Walkthrough

Walkthrough

This change updates the Swap tutorial documentation to include the --private-key flag in a cross-chain command example, allowing users to directly specify a private key for deposit operations.

Changes

Cohort / File(s)	Summary
Documentation Update src/pages/developers/tutorials/swap.mdx	Added --private-key $PRIVATE_KEY flag to the npx zetachain evm deposit-and-call command example

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

• Verify the flag syntax and parameter placement align with the CLI tool's current behavior
• Confirm the environment variable reference $PRIVATE_KEY is consistent with other tutorial examples in the documentation

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The pull request title directly and accurately describes the primary change: adding a private key parameter to the evm deposit-and-call command.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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📥 Commits

Reviewing files that changed from the base of the PR and between b2b6791 and d72318f.

📒 Files selected for processing (1)

• src/pages/developers/tutorials/swap.mdx (1 hunks)

🔇 Additional comments (1)

src/pages/developers/tutorials/swap.mdx (1)

309-316: Consistency improvement: private-key flag now matches other examples in the tutorial.

The addition of --private-key $PRIVATE_KEY resolves the inconsistency between the testnet evm deposit-and-call command (shown here) and the localnet variant (lines 496–504), which already included the flag. This change also aligns the EVM deposit-and-call pattern with other similar commands in the file (Solana and Bitcoin deposit-and-call), improving tutorial consistency and preventing the "Private key not found" error users would otherwise encounter.

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