Ivan Ivanov

feat: `TCK-Java`- Implement JSON-RPC server to serve the `TCK`

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**Description**: In order to execute the integration tests from TCK tests against hedera-sdk-java we need to implement a server similar to [hedera-sdk-js](https://github.com/hashgraph/hedera-sdk-js/blob/08ce8e6a38d9d6c9fa1f326c57d2982620269f94/tck/server.ts) and [hedera-sdk-go](https://github.com/hashgraph/hedera-sdk-go/blob/13e3311f8e6fd95670cc6fe6eccb178976ad32b4/tck/cmd/server.go) This PR includes: 1. Implementation of...

fix: solve backward compatibility issues with modularized code

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**Description**: After running integration tests against the hedera-services v0.48.0 alpha image, some started failing. This PR is fixing some of these issues. **Related issue(s)**: Fixes #897 **Notes for reviewer**: **Checklist**...

chore: Update protobuf version to `v0.49.0-alpha.0`

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**Description**: Upgraded protobufs to newest version: `v0.49.0-alpha.0` **Related issue(s)**: Fixes #899 **Notes for reviewer**: **Checklist** - [ ] Documented (Code comments, README, etc.) - [ ] Tested (unit, integration, etc.)

chore: temp PR to check CI output

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**Description**: testing CI **Related issue(s)**: Fixes # **Notes for reviewer**: **Checklist** - [ ] Documented (Code comments, README, etc.) - [ ] Tested (unit, integration, etc.)

feat(HIP-657): Mutable metadata fields for dynamic NFTs

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**Description:** This PR implements HIP-657. **Related issue(s):** Fixes #774 **Checklist** - [ ] Documented (Code comments, README, etc.) - [ ] Tested (unit, integration, etc.)

### Problem After running integration tests against the hedera-services v0.48.0 alpha image, some started failing. ### Solution Investigate which tests are failing, the reasons and update the tests so they...

### Problem Hedera Protobufs framework has a newer version `v0.49.0-alpha.0`. ### Solution Protobufs version needs to be updated. ### Alternatives _No response_

### Problem Some e2e tests have flaky behaviour and fail with `TRANSACTION_EXPIRED` ### Solution Investigate and fix the issue ### Alternatives _No response_

### Problem Write unit tests for the go `TCK` ### Solution - ### Alternatives _No response_

feat: HIP-540 Change Or Remove Existing Keys From A Token

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**Description**: This PR implements HIP-540. **Related issue(s)**: Fixes #776 **Notes for reviewer**: **Checklist** - [ ] Documented (Code comments, README, etc.) - [ ] Tested (unit, integration, etc.)