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* Add markdown linting - add linter default rules - adapt rules to current code - fix the code for linting to pass - add CI check fix #1243 * Fix markdown for Substrate * Fix tooling install * Fix workflow * Add documentation * Remove trailing spaces * Update .github/.markdownlint.yaml Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> * Fix mangled markdown/lists * Fix captalization issues on known words
24 lines
1.0 KiB
Markdown
24 lines
1.0 KiB
Markdown
# xcm-emulator
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XCM-Emulator is a tool to emulate XCM program execution using
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pre-configured runtimes, including those used to run on live
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networks, such as Kusama, Polkadot, Asset Hubs, et cetera.
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This allows for testing cross-chain message passing and verifying
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outcomes, weights, and side-effects. It is faster than spinning up
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a zombienet and as all the chains are in one process debugging using Clion is easy.
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## Limitations
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As the messages do not physically go through the same messaging infrastructure
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there is some code that is not being tested compared to using slower E2E tests.
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In future it may be possible to run these XCM emulated tests as E2E tests (without changes).
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As well as the XCM message transport being mocked out, so too are areas around consensus,
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in particular things like disputes, staking and iamonline events can't be tested.
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## Alternatives
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If you just wish to test execution of various XCM instructions
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against the XCM VM then the `xcm-simulator` (in the Polkadot
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repo) is the perfect tool for this.
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