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Version 0.4.9
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@chriseth chriseth released this 31 Jan 18:33
v0.4.9
364da42

This release fixes quite some bugs and also adds several new features.

Things to look out for:

  • To disambiguate contracts and libraries of the same name in different files, everything is now prefixed by "filename:". This applies to the compiler output, the linker input and other things.
  • Internal exceptions are now thrown by using an invalid opcode (0xfe), manual exceptions still use an invalid jump.

Features:

  • Compiler interface: Contracts and libraries can be referenced with a file: prefix to make them unique.
  • Compiler interface: Report source location for "stack too deep" errors.
  • AST: Use deterministic node identifiers.
  • Inline assembly: introduce invalid (EIP141) as an opcode.
  • Type system: Introduce type identifier strings.
  • Type checker: Warn about invalid checksum for addresses and deduce type from valid ones.
  • Metadata: Do not include platform in the version number.
  • Metadata: Add option to store sources as literal content.
  • Code generator: Extract array utils into low-level functions.
  • Code generator: Internal errors (array out of bounds, etc.) now cause a reversion by using an invalid
    instruction (0xfe - EIP141) instead of an invalid jump. Invalid jump is still kept for explicit throws.

Bugfixes:

  • Code generator: Allow recursive structs.
  • Inline assembly: Disallow variables named like opcodes.
  • Type checker: Allow multiple events of the same name (but with different arities or argument types)
  • Natspec parser: Fix error with @param parsing and whitespace.
Assets 6
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