Dilation initial state machine infrastructure

[codecov[bot]]

Codecov Report

Patch coverage: 38.05% and project coverage change: -0.83 :warning:

Comparison is base (52a12e2) 40.52% compared to head (f0aa21f) 39.70%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #201 +/- ## ========================================== - Coverage 40.52% 39.70% -0.83% ========================================== Files 23 25 +2 Lines 3326 3546 +220 ========================================== + Hits 1348 1408 +60 - Misses 1978 2138 +160 ``` | [Impacted Files](https://app.codecov.io/gh/magic-wormhole/magic-wormhole.rs/pull/201?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=magic-wormhole) | Coverage Δ | | |---|---|---| | [src/dilation/events.rs](https://app.codecov.io/gh/magic-wormhole/magic-wormhole.rs/pull/201?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=magic-wormhole#diff-c3JjL2RpbGF0aW9uL2V2ZW50cy5ycw==) | `33.33% <0.00%> (-16.67%)` | :arrow_down: | | [src/transfer.rs](https://app.codecov.io/gh/magic-wormhole/magic-wormhole.rs/pull/201?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=magic-wormhole#diff-c3JjL3RyYW5zZmVyLnJz) | `34.25% <ø> (ø)` | | | [src/dilation/connection.rs](https://app.codecov.io/gh/magic-wormhole/magic-wormhole.rs/pull/201?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=magic-wormhole#diff-c3JjL2RpbGF0aW9uL2Nvbm5lY3Rpb24ucnM=) | `10.00% <10.00%> (ø)` | | | [src/dilation/connector.rs](https://app.codecov.io/gh/magic-wormhole/magic-wormhole.rs/pull/201?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=magic-wormhole#diff-c3JjL2RpbGF0aW9uL2Nvbm5lY3Rvci5ycw==) | `55.40% <55.40%> (ø)` | | | [src/dilation/mod.rs](https://app.codecov.io/gh/magic-wormhole/magic-wormhole.rs/pull/201?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=magic-wormhole#diff-c3JjL2RpbGF0aW9uL21vZC5ycw==) | `61.76% <64.10%> (-28.48%)` | :arrow_down: | | [src/dilation/manager.rs](https://app.codecov.io/gh/magic-wormhole/magic-wormhole.rs/pull/201?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=magic-wormhole#diff-c3JjL2RpbGF0aW9uL21hbmFnZXIucnM=) | `48.38% <76.19%> (-1.04%)` | :arrow_down: | | [src/core/protocol.rs](https://app.codecov.io/gh/magic-wormhole/magic-wormhole.rs/pull/201?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=magic-wormhole#diff-c3JjL2NvcmUvcHJvdG9jb2wucnM=) | `88.23% <100.00%> (+0.35%)` | :arrow_up: |

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