Pact 3.4.0

Note this is the version that deploys with Chainweb 1.4.x, with a finalized gas model and managed capability improvements (auto-management, autonomous management)

• Improve ApiReq for creationTime, TTL, haddocks for PublicMeta and friends (#753)
• Allow for flexible interface manager spec, and "auto-managed" caps (#746)
• Cover module persistence with golden test (#745)
• Execution config (#741)
• Fail define-namespace on bad atom structure (#737)
• Finalize gas model (#734)
• Use ByteString readFile and explicit UTF8 decoding (#735)
• Enable autonomous managed capabilities (#733)
• benchmark and improve rounding (#732)

Pact 3.3.1

• base64-(encode|decode) natives
• Bugfix: you can now declare user guards as constants
• keysets are now set-based so that keyset equality works regardless of key order
• Bugfix: module guards with managed caps on demand installs works properly
• Signature checks only consider acquired and pending caps
• Better docs all around

Pact 3.3.0

• Managed capabilities (see documentation)
• Production Gas model v1
• Added signing utilities
• Interfaces now admit defcap, defschema, and defpact declarations
• Add explicit import system. Users may now import function, constant and schema symbols
• Enforce unique names for in-module declarations
• Typechecking interfaces now succeeds
• Previous block hashes added to public data
• TTL + creation time added to public data
• Added new natives:
  • is-charset: provides support for testing string conformity with a given charset. Currently supported charsets include: ASCII and ISO 8859-1 (latin1 supplement) character sets
  • CHARSET_LATIN1: built-in constant defining the latin1-charset
  • CHARSET_ASCII: built-in constant defining the ascii-charset
  • test-capability now also grants managed capabilities
  • expect-failure overload allowing users to match on substrings of errors
• Bug fix disallowing access to Capabilities via FQN
• Steps with rollbacks now disallowed w/ cross-chain yields
• Network-id requirement in payloads
• Analysis:
  • list and object length analysis
  • with-default-read analysis bugs fixed
  • Unbound column invariants
  • vacuous property detection and report

Pact 3.1.0

3.1.0

• Add SPV endorsement functionality to defpacts
• '=' now compares only like terms
• User guards can now be created as closures of boolean-valued functions
• Improved swagger documentation
• Improved error messages
• Added new decryption and keypair validation primitives for CHACHA20-POLY1305 Authenticated Encryption with Associated Data (AEAD)
• Added bitwise integer native functions &, ~, shift, xor, and |
• Add user-facing chain-data native schema type
• Documentation for namespaces and interfaces
• Add base-64 case to str-to-int and improve error messages
• Add int-to-str native
• Analysis:
  • traces now render on same line
  • added support pact step signatures, and governance analysis
  • added support for chain-data pact native
  • upgrade z3 version support to 4.8.5
  • Scope checking for interfaces

Pact 3.0.1

3.0.1

• Check for module in stack when enforcing module guard
• Output test failures on error
• fix describe table output and meta pretty instance

Pact 3.0

3.0.0

• Guards and capabilities, with full model-checking support
• Scoped namespaces for modules and keysets
• Adds module governance function
• Migrate all runtime pact state to DB backend: modules, pacts, transaction ID management
• Improved transaction non-malleability: signatories and chain version in payload
• Adds SPV support with configurable backend
• Multiple Cryptographic signature schemes: ED25519, ECDSA
• Adds Table-based Gas model
• Standardize on CommandResult in all API endpoints
• CommandResult adds gas consumed, logs, and metadata fields
• CommandResult's "result" field changed to output reliable, user-friendly Terms and errors.
• Adds continuation proof field to ContMsg
• Adds public metadata to Pact Command API
• Format all hashes in Base64url
• Adds typechecking for lists, yield, and resume
• Typechecker and analysis support for partial schemas
• Removes support for non-string keys in objects
• Rejects decimal literals with too many digits
• defpact can run in local mode
• Disallow rollback on the last step of a pact
• Replaces REPL's env-step and env-pactid with continue-pact and pact-state
• Adds REPL functions chain-data and env-chain-data
• Better compile and typecheck errors
• Pretty printing
• Working Windows build
• Analysis:
  • Adds analysis for non-literal constants
  • Adds pact analysis tools developer guide
  • Adds analysis for pact-id, defpact, yield, and resume
  • Improves output from verification
  • Supports analysis of (bounded-size) lists and nested objects
  • Pins z3 to a specific version (4.8.3)
  • Uses timeout of 1 second for all z3 queries
• Swagger for API

Pact 2.6.1

2.6.1

• Korean readthedocs
• Interfaces copy models onto implementing modules
• Better/tighter compile phase, remove TBless, TImplements
• Fix bug preventing correct reporting of argument values in falsifying models
  from the property checker

Pact 2.6.0

2.6.0

• Pact Interfaces
• Localized docs in JP and EN
• Add configurable gas limit for pact -s
• Remove file server from pact -s
• Fix empty list runtime type enforcement bug
• Enforce top-level only for builtins pact-version, enforce-pact-version, etc
• Various changes to support web repl
• use cryptonite for Blake2 implementation
• new str-to-int builtin
• Numerous fixes to pact reference docs
• New compiler using megaparsec
• analysis supports str-to-int and read-integer built-ins
• new row-exists, read, column-of, column-written properties
• @model now always takes a list when applied on modules, functions, or schemas.
• properties can now be applied to an entire module
• Fix bug in analysis impl of decimal arithmetic
• Model falsifications are now presented as execution traces with example values