Feature Support Tracking: UTxO RPC Spec v0.18.1

[Mercurial]

UTxO RPC Spec v0.18.1 Feature Support Tracking

This issue tracks which features from the UTxO RPC spec v0.18.1 are currently implemented in the Haskell SDK.

Spec Version: utxorpc >= 0.0.18 && < 0.0.19 (targeting 0.18.x)

Legend

• ✅ Implemented
• ❌ Not Implemented

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SyncService

Method	Status	Notes
FetchBlock	✅	SyncClient.fetchBlock
DumpHistory	✅	SyncClient.dumpHistory
FollowTip	✅	SyncClient.followTip (server stream)
ReadTip	✅	SyncClient.readTip

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QueryService

Method	Status	Notes
ReadParams	✅	QueryClient.readParams
ReadUtxos	✅	QueryClient.readUtxos
SearchUtxos	✅	QueryClient.searchUtxos
ReadData	❌	Not implemented - Read datum by hash
ReadTx	❌	Not implemented - Get transaction by hash
ReadGenesis	✅	QueryClient.readGenesis
ReadEraSummary	✅	QueryClient.readEraSummary

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SubmitService

Method	Status	Notes
EvalTx	❌	Not implemented
SubmitTx	✅	SubmitClient.submitTx
WaitForTx	✅	SubmitClient.waitForTx (server stream)
ReadMempool	✅	SubmitClient.readMempool ✨
WatchMempool	✅	SubmitClient.watchMempool (server stream)

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WatchService

Method	Status	Notes
WatchTx	✅	WatchClient.watchTx (server stream)

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Methodology

This feature matrix was established by comparing:

1. Spec Proto Files (utxorpc/spec v0.18.1)
2. SDK Source Code (haskell-sdk main branch):
   • client/src/Utxorpc/Client.hs - Client definitions and RPC bindings

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Summary

Highlights

• ✨ ReadMempool is implemented - unique among SDKs!

Missing Features

1. EvalTx - Evaluate transaction without submitting
2. ReadData - Read datum by hash
3. ReadTx - Get transaction by hash