feat: solana xcall multi contracts

[bishalbikram]

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Changelog Entry

version: <log entry>

Checklist:

• [x] I have performed a self-review of my own code
• [x] I have documented my code in accordance with the documentation guidelines
• [x] My changes generate no new warnings
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] I have run the unit tests
• [ ] I only have one commit (if not, squash them into one commit).
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Please review the CONTRIBUTING.md file for detailed contributing guidelines.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 88.41%. Comparing base (1e9772a) to head (d027db7). Report is 63 commits behind head on main.

Additional details and impacted files

[](https://app.codecov.io/gh/icon-project/xcall-multi/pull/389?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=icon-project) ```diff @@ Coverage Diff @@ ## main #389 +/- ## ============================================ - Coverage 89.47% 88.41% -1.07% ============================================ Files 42 7 -35 Lines 2698 535 -2163 Branches 37 0 -37 ============================================ - Hits 2414 473 -1941 + Misses 267 62 -205 + Partials 17 0 -17 ``` | [Flag](https://app.codecov.io/gh/icon-project/xcall-multi/pull/389/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=icon-project) | Coverage Δ | | |---|---|---| | [java](https://app.codecov.io/gh/icon-project/xcall-multi/pull/389/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=icon-project) | `?` | | | [rust](https://app.codecov.io/gh/icon-project/xcall-multi/pull/389/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=icon-project) | `?` | | | [solidity](https://app.codecov.io/gh/icon-project/xcall-multi/pull/389/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=icon-project) | `88.41% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=icon-project#carryforward-flags-in-the-pull-request-comment) to find out more. [see 35 files with indirect coverage changes](https://app.codecov.io/gh/icon-project/xcall-multi/pull/389/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=icon-project)