Add Turkchain (Chain ID 1919)

[Turkchain1919]

Description

Adds Turkchain mainnet support.

• Chain ID: 1919
• Domain ID: 1919
• RPC: https://rpc.turkscan.com
• Explorer: https://turkscan.com
• Blockscout API: https://turkscan.com/api

Backward compatibility

Yes

Testing

Chain metadata tested locally with Hyperlane CLI.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 768c14a8-8229-4422-a87a-04799c68883e

📥 Commits

Reviewing files that changed from the base of the PR and between 5e6d770 and 873f6d1.

⛔ Files ignored due to path filters (1)

• chains/turkchain/logo.svg is excluded by !**/*.svg

📒 Files selected for processing (2)

• chains/turkchain/addresses.yaml
• chains/turkchain/metadata.yaml

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📝 Walkthrough

Walkthrough

Two new configuration files for the turkchain blockchain are introduced: an addresses file establishing the core structure and a metadata file defining chain parameters, RPC endpoints, block explorer details, consensus rules, and gas overrides.

Changes

Cohort / File(s)

Summary

Turkchain Configuration chains/turkchain/addresses.yaml, chains/turkchain/metadata.yaml

Adds turkchain chain setup with core address structure and comprehensive metadata including TurkScan block explorer (Blockscout family), consensus parameters (2 confirmations, ~2s block time, finalized reorg period), chain identity fields (chainId, domainId, displayName, name, isTestnet), native token configuration (TC/TURK with 18 decimals), HTTP RPC endpoint (https://rpc.turkscan.com), and gas fee overrides (maxFeePerGas, maxPriorityFeePerGas).

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely summarizes the main change: adding Turkchain support with its chain ID.
Description check	✅ Passed	The description covers all required sections with complete information about the chain configuration and testing details.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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