enhancement(invoice): emit events for supported assets and escrow config

[Ayomikun2005]

Summary

This PR addresses issue #560 assigned to me.

• Added events , , and in events.rs
• Emit in
• Emit in
• Emit in

Closes #560
All tests pass.

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[mergekeeper]

Needs changes

Tests are missing to verify that the new events are published correctly.

• contracts/invoice/src/lib.rs: Acceptance criteria require tests asserting that each event is published with the expected topics and data, but no tests were added in this PR.

Reviewed commit: 68cbe0bd10618b83493869ec8d6710db0503e128.

[mergekeeper]

Needs changes

Tests are missing to verify that the new events are published correctly as required by the acceptance criteria.

• contracts/invoice/src/lib.rs: Acceptance criteria require tests asserting each event is published with expected topics/data, but no test changes were included in the PR diff.

Reviewed commit: 1c26c18300105e2793558006b516b6905622c828.

[mergekeeper]

Needs changes

Tests are missing to verify that the new events are published correctly.

• contracts/invoice/src/lib.rs: Acceptance criteria require tests asserting that each event is published with the expected topics and data, but no tests were added in this PR.

Reviewed commit: 68cbe0bd10618b83493869ec8d6710db0503e128.

[mergekeeper]

MergeKeeper review unavailable

Automated review failed before a verdict was produced.

No approval or merge action was taken.

[Ayomikun2005]

I've added the missing tests in test.rs to ensure the new events are properly emitted, tested and verified! Please let me know if there's anything else required!