Removes the barrel export pattern in favor of explicit subpath imports
for better tree-shaking and clearer dependencies.
## Breaking Changes
- Removed `src/helpers.ts` barrel export
- Removed `./helpers` from package.json exports
- Root `kraiken-lib` import now raises build errors
- Consumers MUST use explicit subpaths:
- `kraiken-lib/abis` - Contract ABIs
- `kraiken-lib/staking` - Staking helpers
- `kraiken-lib/snatch` - Snatch selection
- `kraiken-lib/ids` - Position ID utilities
- `kraiken-lib/subgraph` - Byte conversion utilities
- `kraiken-lib/taxRates` - Tax rate constants
- `kraiken-lib/version` - Version validation
## Changes
- kraiken-lib:
- Bumped version to 1.0.0 (breaking change)
- Updated src/index.ts to raise build errors
- Added backward-compatible ABI aliases (KraikenAbi, StakeAbi)
- Updated all test files to use .js extensions and new imports
- Updated documentation (README, AGENTS.md)
- Consumer updates:
- services/ponder: Updated ponder.config.ts to use kraiken-lib/abis
- web-app: Updated all imports to use subpaths
- composables/usePositions.ts: kraiken-lib/subgraph
- contracts/harb.ts: kraiken-lib/abis
- contracts/stake.ts: kraiken-lib/abis
## Migration Guide
```typescript
// OLD
import { getSnatchList } from 'kraiken-lib/helpers';
import { KraikenAbi } from 'kraiken-lib';
// NEW
import { getSnatchList } from 'kraiken-lib/snatch';
import { KraikenAbi } from 'kraiken-lib/abis';
```
Fixes #86
Co-authored-by: openhands <openhands@all-hands.dev>
Reviewed-on: https://codeberg.org/johba/harb/pulls/89
54 lines
3.8 KiB
Markdown
54 lines
3.8 KiB
Markdown
# Kraiken Library - Agent Guide
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Shared TypeScript helpers used by the landing app, txnBot, and other services to talk to KRAIKEN contracts and the Ponder GraphQL API.
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## Responsibilities
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- Provide type-safe contract interaction helpers (encoding inputs, parsing results).
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- Supply Ponder GraphQL query helpers and generated types for protocol stats and staking positions.
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- Centralise staking math (tax calculations, snatch selection, share conversions) for reuse across clients.
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## Key Modules
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- `src/staking.ts` - Harberger staking helpers for delinquency checks and snatch math.
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- `src/snatch.ts` - Snatch selection engine and supporting types.
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- `src/ids.ts` - Position ID encoding helpers.
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- `src/subgraph.ts` - Byte utilities shared between the GraphQL layer and clients.
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- `src/abis.ts` - Contract ABIs imported directly from `onchain/out/` forge artifacts. Single source of truth for all ABI consumers.
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- `src/taxRates.ts` - Generated from `onchain/src/Stake.sol` by `scripts/sync-tax-rates.mjs`; never edit by hand.
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- `src/version.ts` - Version validation system tracking `KRAIKEN_LIB_VERSION` and `COMPATIBLE_CONTRACT_VERSIONS` for runtime dependency checking.
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## GraphQL Code Generation
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- Schema source points to the Ponder GraphQL endpoint for the active environment.
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- Scalar mappings: `BigInt` -> `string`, `BigDecimal` -> `string`, `Bytes` -> `string`, `Int8` -> `number`.
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- Always import the generated DocumentNodes; avoid `any` casts to keep inference intact.
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## Package Scripts
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- `npm install --legacy-peer-deps`
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- `npm run compile` - Regenerate GraphQL types.
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- `npm run watch` - Continuously regenerate on schema changes.
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- `npm test` - Execute Jest suite for helper coverage.
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## Integration Notes
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- Landing app consumes `kraiken-lib/abis`, `kraiken-lib/staking`, and `kraiken-lib/subgraph` for ABI resolution and ID conversion.
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- txnBot relies on `kraiken-lib/staking` and `kraiken-lib/ids` to evaluate profitability and tax windows.
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- Ponder imports `kraiken-lib/abis` for indexing, and `kraiken-lib/version` for cross-service version checks.
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- When the Ponder schema changes, rerun `npm run compile` and commit regenerated types to prevent drift.
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## Import Guidance
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- The legacy `helpers.ts` barrel has been removed. Always import from the narrow subpaths (e.g. `kraiken-lib/abis`, `kraiken-lib/staking`, `kraiken-lib/snatch`, `kraiken-lib/subgraph`).
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- Avoid importing `kraiken-lib` directly; the root module no longer re-exports the helper surface and exists only to raise build-time errors for bundle imports.
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## ES Module Architecture
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- **Module Type**: This package is built as ES modules (`"type": "module"` in package.json). All consumers must support ES modules.
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- **Import Extensions**: All relative imports in TypeScript source files MUST include `.js` extensions (e.g., `from "./staking.js"`). This is required for ES module resolution even though the source files are `.ts`.
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- **JSON Imports**: JSON files (like ABI artifacts) must use import assertions: `import Foo from './path.json' assert { type: 'json' }`.
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- **TypeScript Config**: `tsconfig.json` must specify:
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- `"module": "esnext"` - Generate ES module syntax
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- `"moduleResolution": "node"` - Enable proper module resolution
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- `"rootDir": "./src"` - Ensure flat output structure in `dist/`
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- **Build Output**: Running `npx tsc` produces ES module `.js` files in `dist/` that can be consumed by both browser (Vite) and Node.js (≥14 with `"type": "module"`).
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- **Container Mount**: Docker services bind-mount `dist/` read-only from the host. Run `./scripts/build-kraiken-lib.sh` before `docker-compose up` or keep `scripts/watch-kraiken-lib.sh` running to rebuild automatically.
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## Quality Guidelines
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- Keep helpers pure and side-effect free; they should accept explicit dependencies.
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- Prefer narrow exports so downstream consumers can tree-shake bundles.
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- Extend typings instead of loosening them; reject `any` as a quick fix.
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