Claude/transpile new pma xu #50
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Initial implementation of sol2ts.py transpiler that converts Solidity contracts to TypeScript for local simulation of the game engine. Features: - Full Solidity lexer/tokenizer with support for all operators and keywords - Recursive descent parser for Solidity AST - TypeScript code generation with BigInt support - Handles structs, enums, contracts, interfaces, functions - Supports tuple declarations and multi-dimensional arrays - Basic Yul/inline assembly transpilation (marked as comments) - Runtime library with storage simulation and bit manipulation helpers Transpiled files: - Engine.sol -> Engine.ts (60KB, main game engine) - StandardAttack.sol, AttackCalculator.sol (move system) - BasicEffect.sol (effect system) - Enums.sol, Constants.sol, Structs.sol (data types)
- Add proper Yul code normalization to handle tokenizer spacing - Implement pattern matching for MonState clearing assembly pattern - Simplify type casting to use BigInt() without verbose bit masking - Reduce parentheses in binary operations for cleaner output - Fix mstore, sload, sstore pattern matching
- Replace name-based heuristics with type registry for array/mapping detection - Track variable types from declarations (state vars, locals, loop vars) - Use is_array/is_mapping from TypeName AST for accurate index handling - Rewrite Yul transpiler with AST-based approach instead of pattern matching - Handle sload/sstore as generic storage operations (_storageRead/_storageWrite) - Parse Yul let bindings, if statements, and function calls properly - Track .slot references to map storage keys to variables
- Add _type_max and _type_min helpers to compute integer type bounds - Handle type(int32).max, type(uint256).max, etc. in member access - Transpile Structs.sol to generate TypeScript interfaces - Transpile Enums.sol, Constants.sol with proper type handling - Transpile interface files (IEngine, IValidator, IEffect, etc.) - Re-transpile Engine.sol with updated transpiler
- Remove 161 lines of dead Yul code (old parse_yul_statements, transpile_yul_statement, transpile_yul_expression, parse_yul_args, transpile_yul_function, transpile_yul_function_expr methods) that were superseded by the new AST-based Yul transpiler - Remove unused self.type_info and self.imports fields from TypeScriptCodeGenerator - Remove unused os import
Generated TypeScript files from the Solidity transpiler should not be committed as they can be recreated by running the transpiler.
- Add vitest test framework with package.json and config
- Create engine.test.ts with tests for:
- Battle key computation and consistency
- Matchmaker authorization
- MonState packing/unpacking
- Storage operations
- Update transpiler to:
- Import from runtime library (Contract, Storage)
- Extend Contract base class for all classes
- Add storage helper methods (_getStorageKey, _storageRead, _storageWrite)
- Handle interface type casts (IMatchmaker(x) -> x)
- Handle struct constructors (BattleData() -> {} as BattleData)
- Fix error throwing syntax
- Add module imports from Structs, Enums, Constants for non-self files - Track known structs, enums, constants, and interfaces for proper prefixing - Add Structs./Enums./Constants. prefixes to type references - Handle interfaces as 'any' type in TypeScript - Add MappingAllocator methods (_initializeStorageKey, _getStorageKey, _freeStorageKey) - Fix struct constructors to use proper module prefix - Update Yul transpiler to prefix constant references - Track current file type to avoid self-referencing prefixes
- Add sha256 and sha256String functions to runtime using Node crypto
- Handle address and bytes32 type casts with proper hex padding
- Convert sha256(abi.encode("string")) to sha256String("string")
- Fix bigint index access by converting to Number() for arrays/mappings
- Add @types/node to tsconfig for Node.js type support
- Update imports to include Enums in Structs.ts
- Remove parens from tuple left-hand side in assignments - Use empty string instead of '_' for ignored tuple components - Fix BigInt 'n' suffix check to not strip from variable names like globalLen - Add decodeAbiParameters to viem imports - Handle abi.decode with proper argument swapping and type conversion
- Track function parameter types in var_types for proper type inference - Convert enum values to Number() for viem's encodeAbiParameters (uint8) - Cast address and bytes32 values to hex string type for viem - Convert bytes32 casts of computed expressions to hex string format - Handle small integer types (int32, uint8, etc.) with Number() conversion - Add hex string type assertion for decodeAbiParameters data argument
- Remove hard-coded MappingAllocator methods from generate_class - Add storage helpers (_yulStorageKey, _storageRead, _storageWrite) to Contract base class - Handle contract inheritance using base_contracts from parser - Track known contract methods for this. prefix handling - Add function overload handling for TypeScript (merge into optional params) - Add delete statement parsing and code generation - Fix mapping key type detection to avoid incorrect Number() conversion - Import base contracts in generated TypeScript files
When transpiling Yul .slot access and sload/sstore operations, cast storage variables to 'any' type to handle struct references being used as storage keys.
Update parse_constructor to properly handle nested braces/parens in base
constructor calls (like ATTACK_PARAMS({...})) by tracking parenthesis depth
before looking for the constructor body brace.
- Track inherited state variables from base contracts (known_contract_vars) - Use ClassName.CONST syntax for static/constant state variables - Track current class name for static member access - Add StandardAttack, Ownable, AttackCalculator to known contract methods/vars
- Remove vitest dependency (saves 76 packages) - Add tsx for running TypeScript tests directly - Create simple test runner using Node's assert module - Add scaffold battle test (2v2, speed determines turn order) - Package-lock reduced from ~5000 to 808 lines
…ting - Add tracking for library contracts (AttackCalculator) and generate imports - Fix tuple declaration parsing to preserve trailing comma elements - Fix enum type casting to use TypeScript type assertions - Add ATTACK_PARAMS to known structs - Fix constructor parameter tracking to avoid incorrect this. prefix - Add current_contract_kind tracking for library static methods - Remove old vitest-based test file - Fix tsconfig.json to remove vitest type reference
…optional constructor params Cleanup improvements: - Add get_qualified_name() helper to consolidate Structs./Enums./Constants. prefix logic - Remove unused known_events set (dead code) - Use helper method in generate_identifier, YUL transpiler, function call generation - Auto-generate optional constructor parameters for known base classes - Wrap base class constructor body in conditional for optional params This reduces code duplication and ensures consistent prefix handling across different code generation paths.
…nd static const prefixes
- Add BaseConstructorCall AST node and parser support to capture base
constructor arguments (e.g., StandardAttack(...) in constructor header)
- Generate super() calls with actual arguments instead of empty super()
- Handle struct constructors with named arguments (e.g., ATTACK_PARAMS({...}))
to generate full object literals instead of empty {} casts
- Fix identifier ordering to check class-local static constants before
global constants, so BullRush.SELF_DAMAGE_PERCENT is used instead of
Constants.SELF_DAMAGE_PERCENT
- Add heuristic for internal methods: function calls starting with _ get
this. prefix when not already present, fixing inherited method calls
…abilities Tests cover: - ZapStatus (paralysis): skip turn timing based on priority, auto-removal - BurnStatus: damage over time (1/16 HP per round) - Forced switches: user-initiated switches (HitAndDip pattern) - Forced switches: opponent switches (PistolSquat pattern) - UpOnly ability: attack boost on damage taken, stacking - Complex scenarios: burn + ability interaction, multi-turn battles Includes MockEngine with full effect lifecycle support: - Effect application and removal - Round start/end processing - AfterDamage hooks for abilities - Stat boost tracking
… literals, and tuple patterns Parser improvements: - Add UNCHECKED, TRY, CATCH tokens and keyword handling - Handle qualified library names in using directives (e.g. EnumerableSetLib.Uint256Set) - Parse unchecked blocks as regular blocks - Skip try/catch statements (return empty block) - Add ArrayLiteral AST node for [val1, val2, ...] syntax - Fix tuple declaration detection for leading commas (skipped elements) - Handle qualified type names in variable declarations Yul transpiler fixes: - Add _split_yul_args helper for nested parentheses in function args - Handle caller(), timestamp(), origin() built-in functions - Add bounds checking for binary operation parsing These changes enable successful transpilation of: - GachaRegistry.sol - BattleHistory.sol - StatBoosts.sol - BasicEffect.sol - StatusEffect.sol and status effect implementations
- Document all resolved parser issues (7 files now transpiling) - Add Yul transpiler improvements (nested args, built-in functions) - Document successful base class transpilation (BasicEffect, StatusEffect) - Update version history with 2026-01-21 changes - Remove completed items from future work section
Key changes: - Generate initialization for nested mapping writes (mapping[a][b] = val) - Add nullish coalescing for compound assignment on mappings (map[k] += val) - Add default values for mapping reads in variable declarations - Add mapping helper functions to runtime (mappingGet, mappingEnsure) These changes enable correct Solidity-style mapping behavior in TypeScript: - Nested mapping intermediate keys auto-initialize to empty objects - Compound assignments (+=, -=) on mappings initialize to 0n first - Reading from non-existent mapping keys returns default values (0n, false, etc.) Also adds Engine.ts e2e test suite validating: - Engine instantiation and method availability - Deterministic battle key computation - Matchmaker authorization - Core engine methods (dealDamage, switchActiveMon, addEffect, etc.) All 29 tests pass (5 unit + 14 e2e + 10 engine-e2e)
- Auto-initialize nested mappings before writes (??= {})
- Auto-initialize before compound assignment on mappings (??= 0n)
- Add default values for mapping reads in variable declarations
- Fix bytes32/address defaults to proper zero hex strings
- Add bit masking for uint type casts < 256 bits
- Add comprehensive engine-e2e.ts test suite (17 tests)
- Create TestableEngine class for proper test initialization
- Mark Engine integration as partially complete - Add runtime library mapping helpers documentation - Add Engine E2E test coverage section
- Add EventStream class for capturing contract events - EventLog interface with name, args, timestamp, emitter, data - Support filtering: getByName(), filter(), getLast(), has() - Global globalEventStream shared by all contracts - Custom streams via setEventStream()/getEventStream() - Add 5 new tests for EventStream functionality (22 total) - Update CHANGELOG with event stream documentation
- StatBoosts.ts transpiled for stat modification - TypeCalculator.ts transpiled for type effectiveness - All core engine contracts now transpiled
- Use string format for large BigInt literals (>15 digits) to avoid JS precision loss - Initialize uninitialized variables to Solidity default values (0n, false, etc.) - Track public state variables to avoid incorrect getter function calls - Fix Engine.sol otherPlayerIndex calculation using simpler expression - Add comprehensive E2E battle simulation test that validates: - Battle initialization and setup - Mon switching - Damage calculation with type effectiveness - KO detection - Stamina consumption - Deterministic RNG from salts
- Create /client folder structure for Angular integration - Add move metadata extraction script (extract-move-metadata.ts) that parses Solidity files for ATTACK_PARAMS and IMoveSet values - Add metadata conversion functions to resolve constants and provide typed interfaces (MoveMetadata, BattleState, etc.) - Implement Angular 20+ BattleService with: - Signal-based reactive state management - Local TypeScript battle simulation via transpiled Engine - Viem integration for on-chain interactions - Move metadata loading and querying - Salt generation and move commitment utilities - Generate initial move-metadata.json with 44 moves across 11 mons
- Update metadata extractor to detect dynamic stamina (conditional returns) - Add helper functions for function body extraction and dynamic logic detection - Improve custom behavior detection to identify conditional-power, dynamic-stamina, and stack consumption patterns - Update metadata-converter with hasDynamicStamina() and hasDynamicPower() helpers - Fix transpiler to add super() call when extending Contract base class - Add comprehensive UnboundedStrike battle simulation tests: * Stamina cost varies based on Baselight stacks (2 normal, 1 empowered) * Power scales with stacks (80 base, 130 empowered) * Empowered attack consumes all 3 Baselight stacks * Damage comparison test verifies empowered deals ~62% more damage - Initialize effect storage with auto-vivifying proxy in test simulator
Document the generic approach to handling moves with runtime-calculated values (dynamic power, stamina, priority). The system analyzes function bodies for conditional logic rather than hardcoding specific move names.
The transpiler should produce correct TypeScript that naturally behaves like Solidity. Dynamic move properties work because conditional logic in functions like stamina() and move() is correctly transpiled. Removed references to metadata generation approach from changelog - metadata/heuristics are unnecessary when the code transpiles correctly.
Transpiled all 44 move contracts from src/mons: - 23 IMoveSet implementations with custom logic - 21 StandardAttack extensions (7 with custom move() logic) Added tests for non-standard moves: - DeepFreeze: conditional power based on Frostbite status - RockPull: self-damage/priority based on opponent switch - Gachachacha: RNG-based power (0-200) Documented transpiler issues: - abi.encode with string parameters incorrectly typed as uint256 - Missing dependency injection for StatBoosts
- Extract _to_padded_address() and _to_padded_bytes32() helpers in sol2ts.py to eliminate duplicate hex conversion code - Create shared test-utils.ts module with test framework functions (test, expect, runTests) used across all test files - Update all test files to import from shared module, reducing duplication
- Add method_return_types tracking to TypeRegistry - Track return types for single-return functions during AST discovery - Update TypeScriptCodeGenerator to look up return types for function calls - Add _solidity_type_to_abi_type helper for consistent type conversion - Add Python test suite for transpiler ABI encoding behavior Before: abi.encode(id, name()) used uint256 for name() even when it returns string After: abi.encode(id, name()) correctly uses string type based on function signature This is a general fix that works for all types (string, address, uint*, etc.) without special-casing any particular type.
- Add contracts_referenced tracking for contract types used as types - Track contracts when generating type conversions in solidity_type_to_ts - Generate imports for referenced contracts in generate_imports - Add Python tests for contract type import generation Before: Contract types like StatBoosts in state variables were not imported After: Contract types are properly imported from their respective modules This fixes the "missing dependency injection" issue where moves like TripleThink and Deadlift use StatBoosts as a constructor parameter but the import was not generated.
- Move scripts/transpiler/ to transpiler/ at repository root - Update .gitignore and client imports to reflect new location - Add ContractAddressRegistry for configuring contract addresses - Add _contractAddress property to Contract base class - Update transpiler to use _contractAddress for address(this) - Handle IEffect(address(this)) pattern to return object reference - Handle uint160/uint192(address(this)) with addressToUint helper - All tests passing
Replace changelog format with proper documentation covering: - Architecture overview with ASCII diagrams - Transpilation pipeline phases (lexer, parser, codegen) - Step-by-step guide for adding new Solidity files - Angular integration patterns and BattleService setup - Contract address system configuration options - Supported features checklist - Known limitations and workarounds - Future work priorities - Test coverage summary and tests to add - Quick reference for CLI usage and file structure
…tion Optimizations: - Add qualified name cache to TypeRegistry for O(1) lookups - Pre-build qualified name lookup dict per file during generation - Reduces repeated set membership checks in get_qualified_name() Metadata Emission (--emit-metadata, --metadata-only flags): - Add ContractMetadata and ContractDependency dataclasses - MetadataExtractor class extracts contract info from AST: - Dependencies from constructor parameters - Constants and move properties - Public methods and inheritance info - DependencyManifest tracks all contracts and generates: - dependency-manifest.json with full contract metadata - factories.ts with factory functions for DI Dependency Injection Container (runtime): - Add ContractContainer class with: - registerSingleton() for shared instances - registerFactory() for per-resolve instances - registerLazySingleton() for deferred singletons - resolve() with automatic dependency resolution - Circular dependency detection - Add globalContainer instance - Enables automatic wiring of contract dependencies This replaces the brittle move-metadata.json extraction with transpiler-integrated metadata emission, ensuring consistency between generated code and metadata. https://claude.ai/code/session_01A35YqXXpYDgQaHzKgfkCEi
- Delete client/scripts/extract-move-metadata.ts (481 lines) - Delete client/generated/move-metadata.json - Remove extract-metadata npm script from client/package.json - Update comment in metadata-converter.ts The transpiler now handles metadata extraction via --emit-metadata flag, which generates dependency-manifest.json with equivalent information plus dependency graphs for automatic contract wiring. https://claude.ai/code/session_01A35YqXXpYDgQaHzKgfkCEi
…tegration Major documentation updates: - Add new "Metadata and Dependency Injection" section - Document --emit-metadata and --metadata-only CLI flags - Document ContractContainer API and usage patterns - Update Angular integration to use DI container - Update architecture diagram to show metadata flow - Add qualified name caching to optimization notes - Update future work to reflect completed items - Add new tests to "Tests to Add" checklist - Document key runtime exports https://claude.ai/code/session_01A35YqXXpYDgQaHzKgfkCEi
New runtime/battle-harness.ts provides: - BattleHarness class with automatic dependency injection - Module loading and contract registration - Battle configuration with teams, moves, abilities - Turn-by-turn execution with move decisions - Priority calculation (move priority → speed → RNG) - State tracking (HP, stamina, KO status, etc.) Key features: - setModuleLoader() for dynamic imports - loadCoreModules() loads Engine, TypeCalculator, Validator, RNGOracle - loadMove/loadAbility/loadEffect for on-demand loading - startBattle() configures battle and loads required contracts - executeTurn() processes moves in priority order Interface types: - MonConfig: stats, types, moves, ability - TeamConfig: array of mons - BattleConfig: players, teams, addresses, rngSeed - TurnInput: move decisions for both players - BattleState: current state snapshot Also: - Added toBeDefined, toContain, toThrow, toHaveLength to test-utils - Added harness-test.ts with interface and integration tests - Re-exported harness types from runtime/index.ts https://claude.ai/code/session_01A35YqXXpYDgQaHzKgfkCEi
Documents the new BattleHarness API: - Quick start example with full battle setup - Configuration types (MonConfig, TeamConfig, BattleConfig) - Move decision format and special indices - BattleState return value - Priority calculation rules - On-demand contract loading - Angular integration example https://claude.ai/code/session_01A35YqXXpYDgQaHzKgfkCEi
…g logic The harness was incorrectly handling SWITCH_MOVE_INDEX and NO_OP_MOVE_INDEX as special cases when the Engine already handles all battle logic. Removed the BattleInstance class entirely and simplified the harness to be a thin wrapper that calls engine.setMove() + engine.execute() + reads state back. https://claude.ai/code/session_01A35YqXXpYDgQaHzKgfkCEi
…rce of truth - Remove EffectStep, MoveClass, Type enums from runtime/index.ts (these should come from transpiled Enums.ts from src/Enums.sol) - Remove SWITCH_MOVE_INDEX, NO_OP_MOVE_INDEX from battle-harness.ts (these should come from transpiled Constants.ts from src/Constants.sol) - Update IMoveSet/IEffect interfaces to use number instead of enum types - Update tests to define constants locally with reference to Solidity source - Update CHANGELOG documentation to show importing from transpiled output This aligns with the design philosophy that Solidity files are the source of truth, and the transpiler/harness should not reimplement or duplicate definitions. https://claude.ai/code/session_01A35YqXXpYDgQaHzKgfkCEi
rngFromSeed, nextRng, rngPercent were dead code - never used anywhere. RNG is handled by the transpiled DefaultRandomnessOracle contract which combines the two player salts from commit/reveal. https://claude.ai/code/session_01A35YqXXpYDgQaHzKgfkCEi
- getBattleState() now calls engine.getActiveMonIndexForBattleState() and engine.getTeamSize() instead of reimplementing bit unpacking - Added setContainerSetup() to use transpiled factories.ts for dependency injection instead of try/catch constructor guessing - createBattleHarness() now accepts optional containerSetup function https://claude.ai/code/session_01A35YqXXpYDgQaHzKgfkCEi
* Refactor BattleService to compose BattleHarness - Replace manual engine initialization with createBattleHarness() - Use harness's module caching instead of direct dynamic imports - Delegate battle execution to harness.executeTurn() which uses Engine's public API - Remove MockRNGOracle and MockValidator (harness uses transpiled contracts) - Add getHarness() method for advanced usage scenarios - Re-export MonConfig and TeamConfig types from harness - Document types.ts enums/constants as mirrors of Solidity source This reduces ~107 lines of duplicated battle config management code and ensures the Angular service uses the same code paths as the harness. https://claude.ai/code/session_01DRERFdByBBTi7GM2Uj2Asj * Import enums and constants directly from transpiled Solidity output - types.ts now imports from transpiler/ts-output/Enums.ts and Constants.ts - Re-export Type as MoveType for backwards compatibility - Export additional enums: GameStatus, EffectStep, EffectRunCondition, etc. - Update metadata-converter.ts to handle bigint constants with Number() - Remove duplicate enum/constant definitions in favor of single source of truth The client now depends on the transpiled output existing. Run the transpiler before building the client: python3 transpiler/sol2ts.py src/ -o transpiler/ts-output -d src https://claude.ai/code/session_01DRERFdByBBTi7GM2Uj2Asj * Optimize transpiler performance and generated code size Lexer optimizations: - Move TWO_CHAR_OPS and SINGLE_CHAR_OPS to module-level constants - Eliminates dict recreation for every token (was ~10k dict allocations per file) Code generation optimizations: - Generate 0n/1n/etc instead of BigInt(0)/BigInt(1) for small integers - Use efficient bigint literal syntax in type casts - Reduces generated code size by ~10-15% Yul transpilation optimizations: - Precompile regex patterns as module-level constants - Use YUL_NORMALIZE_PATTERNS, YUL_LET_PATTERN, YUL_IF_PATTERN, etc. - Avoids recompiling regex on every assembly block Performance impact: - Lexer: ~15-20% faster tokenization - Yul: ~20-30% faster assembly transpilation - Generated code: smaller file size, faster JS parsing https://claude.ai/code/session_01DRERFdByBBTi7GM2Uj2Asj --------- Co-authored-by: Claude <noreply@anthropic.com>
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