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Robustrade / wallet-transfer-assignment Public

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Solution/nandu - #113

#113

Open

Nandukrishna-S wants to merge 40 commits into

Robustrade:mainRobustrade/wallet-transfer-assignment:mainfrom

Nandukrishna-S:solution/nanduNandukrishna-S/wallet-transfer-assignment:solution/nanduCopy head branch name to clipboard

Conversation Commits40 (40)Checks Files changed

Open

Solution/nandu#113
Nandukrishna-S wants to merge 40 commits into
Robustrade:mainfrom
Nandukrishna-S:solution/nandu

Commits

Commits on Jul 10, 2026

Initialize Go module targeting go1.24
Nandukrishna-S
committed
Fix go.mod/go.sum to actually pin go1.24-compatible versions
Nandukrishna-S
committed
Add wallets/transfers/ledger_entries migrations
Nandukrishna-S
committed
Add Snowflake ID generator
Nandukrishna-S
committed
Add domain layer: Wallet, Transfer, Status, typed errors
Nandukrishna-S
committed
Add config package with env binding and startup validation
Nandukrishna-S
committed
Add platform bootstrap: postgres, redisclient, migrate, logger
Nandukrishna-S
committed
Add correlation-id middleware
Nandukrishna-S
committed
Add HTTP handler layer: router, health check, DTOs, transfer stubs
Nandukrishna-S
committed
Wire cmd/server/main.go
Nandukrishna-S
committed
Add Docker, Compose, Makefile, lint config, and env template
Nandukrishna-S
committed

Commits on Jul 11, 2026

Add migration: ledger_entries.id becomes DB-generated identity
Nandukrishna-S
committed
Update dependencies for Phase 2
Nandukrishna-S
committed
Add IDEMPOTENCY_KEY_REUSED error code
Nandukrishna-S
committed
Drop doc citations from comments, state the point inline
Nandukrishna-S
committed
Add repository layer: wallet/transfer persistence, redis cache
Nandukrishna-S
committed
Add transfer service:
Nandukrishna-S
committed
Rewrite HTTP handler layer for the transfer endpoints
Nandukrishna-S
committed
Wire cmd/server/main.go for the transfer service
Nandukrishna-S
committed
Add test-integration and seed Makefile targets, fix docker compose
Nandukrishna-S
committed
Add demo seed fixtures and rewrite README for the service
Nandukrishna-S
committed
Fix silent overflow in amount-to-minor-units conversion
Nandukrishna-S
committed
Remove internal/service's transitive dependency on Gin
Nandukrishna-S
committed
Release wallet locks before the conflict-check read
Nandukrishna-S
committed
Reject LOCK_TIMEOUT under 1ms, clamp defensively at point of use
Nandukrishna-S
committed
Send amount as a bare JSON number, not a quoted string
Nandukrishna-S
committed
Split AMOUNT_UNREPRESENTABLE from INVALID_AMOUNT

Nandukrishna-S
and
claude
committed
Squash ledger_entries identity column and amount check into base migrations

Nandukrishna-S
and
claude
committed
Fail fast on clock regression in Snowflake ID generation instead of colliding

Nandukrishna-S
and
claude
committed
Move wallet lock ordering into GetForUpdate itself
Nandukrishna-S
committed
Give InitTransfer failures a typed, client-safe error
Nandukrishna-S
committed
Restore checkCache's fall-back-to-Postgres behavior on Redis errors
Nandukrishna-S
committed
Check cache before Postgres in GetTransfer
Nandukrishna-S
committed
Combine debit and credit into one UpdateBalances round trip
Nandukrishna-S
committed
Run health checks concurrently
Nandukrishna-S
committed
Give every request validator a typed *domain.Error
Nandukrishna-S
committed
Remove unused Query from the Querier interface
Nandukrishna-S
committed
Consolidate duplicated integration test fixtures into internal/testutil
Nandukrishna-S
committed
Move writeCache off the request's hot path
Nandukrishna-S
committed
Cast UpdateBalances' parameters to numeric explicitly
Nandukrishna-S
committed

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