Add SDK 0.50 migration agent directive

[Copilot]

Agents working on this codebase needed consolidated migration patterns and project context. Created comprehensive directive capturing SDK 0.50.14 expertise.

New Agent Directive

.github/agents/meme-sdk-migration.agent.md (382 lines)

Covers:

• Project Context: MeMe Chain (mainnet chain-id: meme-1), SDK 0.50.14 + wasmvm v2.2.1 migration status
• SDK 0.50 Patterns: Store services, keeper init templates, address codecs, consensus/capability keepers
• Migration Expertise: Deprecated → new function mappings, ABCI signature changes, context.Context migration
• Issue Resolution: 5 common error categories with solutions and code examples
• Testing Guidelines: Build commands, validation strategies, success metrics

Includes working code templates:

// Keeper initialization pattern
keeper := authkeeper.NewAccountKeeper(
    appCodec,
    runtime.NewKVStoreService(keys[authtypes.StoreKey]),  // Store service wrapper
    authtypes.ProtoBaseAccount,
    maccPerms,
    addresscodec.NewBech32Codec(sdk.GetConfig().GetBech32AccountAddrPrefix()),  // Address codec
    sdk.GetConfig().GetBech32AccountAddrPrefix(),
    authtypes.NewModuleAddress(govtypes.ModuleName).String(),  // Authority
)

Navigation

.github/agents/README.md

• Directs to primary vs legacy directives
• Links migration docs (APP_MIGRATION_COMPLETE.md, SDK_050_KEEPER_QUICK_REF.md, etc.)
• Quick start guide

Status

Legacy cosmossdk.agent.md marked historical reference. New directive is primary for all development.

Original prompt

Context

PR #14 ("Addressing PR comments") was merged and completed the bulk of migration from SDK 0.53.5 to SDK 0.50.14 with wasmvm v2.2.1. PR #15 ("[WIP] Complete work from PR14") started addressing remaining build errors but is still a draft and only partially done (it removed the duplicate methods at lines 130-134 but the duplicates at lines 109-113 still remain on main). This PR should finish all remaining work on main.

Remaining Build Errors to Fix

1. x/wasm/module.go — Duplicate method declarations

On main, there are two sets of IsAppModule() and IsOnePerModuleType():

• Lines 109-113 (first declaration — keep these)
• Lines 130-134 (second declaration — remove these duplicates)

Remove lines 130-134 (the duplicates after RegisterServices):

// IsAppModule implements the appmodule.AppModule interface.
func (AppModule) IsAppModule() {}

// IsOnePerModuleType implements the depinject.OnePerModuleType interface.
func (AppModule) IsOnePerModuleType() {}

2. x/wasm/handler.go — Replace deprecated sdkerrors.Wrap

On line 43, replace:

return nil, sdkerrors.Wrap(sdkerrors.ErrUnknownRequest, errMsg)

with:

return nil, errorsmod.Wrap(sdkerrors.ErrUnknownRequest, errMsg)

Also update the imports:

• Add errorsmod "cosmossdk.io/errors" to the import block
• Keep sdkerrors "github.com/cosmos/cosmos-sdk/types/errors" since sdkerrors.ErrUnknownRequest is still used as the error sentinel

3. x/wasm/ibc.go — Fix NewErrorAcknowledgement calls

In ibc-go v8, channeltypes.NewErrorAcknowledgement accepts an error type, NOT a string.

On line 215, change:

return channeltypes.NewErrorAcknowledgement(errors.Wrapf(err, "contract port id").Error())

to:

return channeltypes.NewErrorAcknowledgement(errors.Wrapf(err, "contract port id"))

On line 220, change:

return channeltypes.NewErrorAcknowledgement(err.Error())

to:

return channeltypes.NewErrorAcknowledgement(err)

Validation

After making these changes, the project should build successfully with go build ./... (or at least these specific compile errors should be resolved).

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Pull request overview

Updates the wasm module to align with Cosmos SDK v0.50.14 / ibc-go v8 APIs while adding a markdown summary of current build/test status post-migration.

Changes:

• Removes duplicate IsAppModule / IsOnePerModuleType declarations and updates the simulation RegisterStoreDecoder signature for SDK 0.50.
• Fixes IBC error acknowledgements to pass error (not string) and replaces deprecated sdkerrors.Wrap usage with errorsmod.Wrap.
• Adds BUILD_TEST_SUMMARY.md and adjusts go.mod requirements surfaced by the migration/build.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
x/wasm/module.go	Removes duplicate interface marker methods; updates simulation interface method signature.
x/wasm/ibc.go	Passes error directly to NewErrorAcknowledgement for ibc-go v8 compatibility.
x/wasm/handler.go	Uses cosmossdk.io/errors wrapping instead of deprecated SDK wrapping helpers.
go.mod	Promotes some deps to direct requirements (e.g., cosmossdk.io/log, capability module).
BUILD_TEST_SUMMARY.md	Adds a snapshot of build/test outcomes and remaining migration blockers.

Comments suppressed due to low confidence (1)

x/wasm/module.go:193

• The comments around the simulation hooks appear to be copy/pasted from other modules (they mention the “supply” and “gov” modules). Since this is the wasm module, please update these comments to accurately describe what RegisterStoreDecoder / WeightedOperations relate to (or remove them if they’re not meaningful).

// RegisterStoreDecoder registers a decoder for supply module's types
func (am AppModule) RegisterStoreDecoder(sdr simtypes.StoreDecoderRegistry) {
}

// WeightedOperations returns the all the gov module operations with their respective weights.
func (am AppModule) WeightedOperations(simState module.SimulationState) []simtypes.WeightedOperation {

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[Copilot]

This document references a report at /tmp/BUILD_TEST_REPORT.md, which won’t exist for other developers/CI runs and makes the summary hard to follow. Consider either committing the referenced report into the repo (e.g., under docs/), linking to a CI artifact, or removing the reference and keeping the key details in this file.

Suggested change

	See full report in `/tmp/BUILD_TEST_REPORT.md` for detailed error analysis.
	For detailed error analysis, refer to the build and test logs from your CI run or local execution.

[Copilot]

The PR title/description frame this as documentation of build/test results, but this PR also includes functional code changes (wasm module interface adjustments, IBC error acknowledgements, handler error wrapping) and dependency changes in go.mod. Please update the PR title/description to reflect that it is both documenting results and applying migration fixes, or split the documentation into a separate PR if you want a purely informational change.