* `-Clinker-plugin-lto` reduced the size of my contract
From:
Original wasm size: 68.6K, Optimized: 31.9K

To:
Original wasm size: 67.2K, Optimized: 31.0K

* Compiler will use `-Clinker-plugin-lto` if `lto` is enabled

* add offline flag to build mode

* add network enum and interpret --offline flag

* support offline flag for metadata generation

* cargo fmt

* cargo clippy

* fix tests

* Add log output

* Add #326 to changelog

* Bump version

* Fix changelog

* Spit out JSON results at the end of a build

* Mark `--output_json` as conflicting with `--verbose`

* Override verbosity to `quiet` when outputting JSON

* Update tests to include `OutputType` param

* Temporarily please Clippy

* Add some logging

This is gonna fail, but I want to see what the CI has to say.

* Remove TODO so that format CI step passes

* Return result from `serialize_json`

* Make JSON test a sanity check

* Mention this PR in the CHANGELOG

* Implement `Default` for a few build options

* Address Clippy's `too_many_arguments` lint

* Use `ExecuteArgs` in tests

* Make `manifest_path` field public instead

Clippy was complaining about `dead_code` when building
in non-test mode, so I'm going with this instead.

* Apply suggestions from code review

Co-authored-by: Michael Müller <[email protected]>

* Sanity check `BuildResult'` JSON serialized form

* Add `execute()` test back

* Import `OutputType` in tests

Co-authored-by: Michael Müller <[email protected]>

* Do not strip out panic messages in debug builds

* Build code_only test in release mode

* Debug test

* More debugging

* Add debugging info

* More debugging

* More debugging

* More debugging

* More debugging

* Remove debugging code

* Restore workflow

* Restore workflow

* Test more sub-commands

* Run tests for Windows

* Add test to reproduce error

* Canonicalize paths in test

* Revert me: Run only necessary tests

* Join `Path`'s to avoid OS-specific separators

* Revert me: Debug output

* Fix workflow

* Revert me: Debugging

* Windows debugging

* More debugging

* Debugging

* Debugging

* Add nightly

* Debugging

* Debugging

* Debugging

* Debugging

* Debugging

* Fix commands

* Debug path

* Debug path

* Debug path

* Debug path

* Debug path

* Debug path

* Debug path

* Debug path

* Debug path

* Debug path

* Debug path

* Debug path

* Remove eprintln's

* Test should fail

* Test should run

* Test should run

* Restore Windows testing

* Apply `cargo fmt`

* Fix default

* Remove debug stuff

* Run tests only `master`

* Update changelog

* Implement `BuildMode`

* Remove `ignore` since all tests are failing anyway

* Switch to `--release`

* Revert "Switch to `--release`"

This reverts commit 3cb01e10.

* Keep `BuildMode` enum

* Improve readability

* Update changelog

* Make `rustfmt` always report todo's and fixme's

* Remove todo comment

* Fix tests

* Change default opitmization pass to focus on code size

* Change default optimization level from `-Os` to `-Oz`

* Update CHANGELOG

* Check all the code with clippy

* Fix clippy warnings

* Add `--keep-symbols` flag

* Replace pwasm_utils::optimize by a simple export stripper

* Satisfy clippy

* Fix typos

Co-authored-by: Michael Müller <[email protected]>

* Fix test build errors

* Fix tests

* Rename to `--keep-debug-symbols`

* Add test for `--keep-debug-symbols`

* Fix typos

Co-authored-by: Andrew Jones <[email protected]>
Co-authored-by: Michael Müller <[email protected]>

* Restore when/then

Co-authored-by: Michael Müller <[email protected]>
Co-authored-by: Andrew Jones <[email protected]>

* Always use  for Wasm output file name

* Use `contract_artifact_name` instead of `package_name`

* Apply `cargo fmt`

* Satisfy clippy

* Suggest `binaryen` installation from GitHub on outdated version

* Fix tests

* Add CI for building contract template under Windows

* Disable `unix` specific tests

* Remove build warnings due to `dead_code` with default features

* Remove unused `binaryen` dependency

* Ensure path is always canonicalized for comparison

* Apply auto-formatting to yml

* CI: optimize caching

Co-authored-by: Denis P <[email protected]>

* Add fix

* Revert "Add fix"

This reverts commit 5c81fee5.

* Generate unique contract names for tests

* Fix test

* Implement comments

* Implement comments

* Remove support for `binaryen-as-dependency`

* Add to changelog

* Fix `wasm-opt --version` parsing

* Mark stdout output and error clearer

* Implement comments

* Update readme

* Update readme

* Improve error output

* Add installation commands

* Fix casing

* Use display instead of debug

* Improve `wasm-opt` not found error message

* Improve error message + check `wasm-opt` compatibility

* Use `regex` for parsing `wasm-opt --version`

* Apply suggestions from code review

Co-authored-by: Andrew Jones <[email protected]>

* Implement comments

* Apply cargo fmt

Co-authored-by: Andrew Jones <[email protected]>

* Check wasm optimized output file exists

* Fmt

* Add expected optimized file to error

* Use display for path

* Detect version mismatches of `parity-scale-codec`

* Detect `scale-info` mismatch as well

* Improve error message

* Clarify when a mismatch happens

* Add missing derive

* Write value actually to manifest

* Add another test

* Reduce code duplication

* Implement comments

* Derive `PartialEq` always

* Reduce code for `OptimizationPasses`

* Fix typo: zeros ➜ zeroes

* Reduce code for `OptimizationPasses`

* Add log output for optimization flags

* Support `optimization-passes` in the release profile

* Add link to Windows binary releases to Readme

* Improve failed assert message

* Account for `binaryen-rs` behavior

* Link GitHub issue in comment

* Implement comments

* Update `--help`

* Refactoring build, phase 1

* Fmt

* Extract local method for building, always optimize on build

* Add MetadataResult type

* Fmt

* Create dest wasm dir

* Execute build directly from metadata tests

* Modify existing build test to code only, since metadata test now builds all

* Fix errors after merge

* ink::test attributes in new template

* add use ink

* adding optimization-passes option

* undoing unnecessary variable name change

* remove fork changes

* adding optimization_passes to tests

* cargo fmting

* switching to enum type

* Update src/main.rs

Co-authored-by: Michael Müller <[email protected]>

* Update src/main.rs

Co-authored-by: Michael Müller <[email protected]>

* Update src/main.rs

Co-authored-by: Michael Müller <[email protected]>

* Update src/main.rs

Co-authored-by: Michael Müller <[email protected]>

* Update src/main.rs

Co-authored-by: Michael Müller <[email protected]>

* adding cli help comment

* add line so default option is more visible

* Update src/cmd/build.rs

Co-authored-by: Michael Müller <[email protected]>

* Revert "Revert me: Remove `--all-features` (#114)"

This reverts commit 4a0d352b.

* Pass verbosity flag

* Format use

* Run tests without `binaryen-as-dependency`

* Update to `scale-info` 0.6

* Fix `value used after move`

* Do not continue processing wasm on `check`

Results in `No such file` otherwise, since
no *.wasm is generated on `check`.

* Make casing consistent for `log` messages

* Clarify behavior of `check`

* Revert me: add debug output

* Upgrade `cargo_metadata` to 0.13.1

* Fix assert for target path `target/ink`

* Revert "Revert me: add debug output"

This reverts commit d2bf1dd9.

* Revert "Upgrade `cargo_metadata` to 0.13.1"

This reverts commit 723c9b29.

* Run tests only with `binaryen-as-dependency`

* Upgrade cargo-metadata and fix usages (#210)

* Only allow new contract names beginning with an alphabetic character (#219)

* Only allow contract names beginning with an alphabetic character

* Add test for contract name beginning with a number

* Add test for contract name beginning with a number

* Run tests only with `binaryen-as-dependency`

* Refactor

* Revert "Refactor"

This reverts commit defe20db

.

Co-authored-by: Andrew Jones <[email protected]>

* Use `--zero-filled-memory` for `wasm-opt`

* Assert that compiled contract template is below 3k

* Apply cargo fmt

* Remove superfluous comment

* Improve error message on `wasm-opt` error

* Specify minimum binaryen version

* Revert me: Hotfix for funty issue

* Assert that size of resulting wasm is > 0

* Ensure optimized file is not overwritten with empty file on `not(feature = binaryen-as-dependency)`

* Fix `warning: panic message is not a string literal`

* Do not record debug info

* Update comments

* Implement Wasm validation for known issues/markers

* Add test for invalid panic import

* Add prefix to error markers

* Add test for ink! codegen error marker

* Implement improved linker error protocol

* Move validation into its own module

* Migrate tests to new linker error protocol

* Fix merge

* Improve code structure

* Fix formatting

* Improve code structure

* Remove mod indirection

* Replace `contains` with `starts_with`

* Add note regarding equivalent ink! type necessity

* Throw an error on invalid import function

* Add sunny day test

* Do not panic if no import section is found

* Update error message on decoding error

* Fix `#[warn(clippy::ptr_arg)]`

* Use either `binaryen-rs` dep or `wasm-opt` binary

* Implement reviewers suggestions

* Rename `optimization_level` to `optimization_passes`

* Revert "Rename `optimization_level` to `optimization_passes`"

This reverts commit 1fd35bcd.

* Update installation instructions

* Update readme

* Add package manager links

* Fix `#[warn(clippy::ptr_arg)]`

* Fix `#[warn(clippy::ptr_arg)]`

* Fix `#[warn(clippy::match_like_matches_macro)]`

* Fix `#[warn(clippy::type_complexity)]`

* Print warning to stderr

* Suppress output on `--quiet`

* Refactor conditional printing

* Do not generate artifacts under `target` for `contract check`

* Add test

* Use `cargo check` for `contract check`

* Replace `if` with `assert`

* Shorten code

* Minor code improvs

* Put build artifacts under `target/ink/`

* Add test

* Add new `target_directory` field on metadata struct

* Remove unnecessary `push`

* Remove redundant binding

* Make naming consistent

* Fix number of steps displayed in `check`

* Move base name function to utilities

* Shift logic to `BuildCommand` and `CheckCommand`

* Consistent naming: GenerationResult ➜ BuildResult

* Consistent naming: GenerateArtifacts ➜ BuildArtifacts

* Update comment

* Move comment to struct

* Remove Note section from comment

* Fix URIs

* Make `generate-metadata` output consistent with `build`

* Add `cargo contract pack`

* Return error instead of panicking

* Use blake2_hash()

* Replace match with if

* Pass reference instead of ownership

* Generate metadata.json and <contract>.pack

* Output .wasm, .json, .pack

* Return result object instead of tuple

* Get it to run with '--features test-ci-only'

* Rename .pack to .contract

* Apply suggestions from code review

Co-authored-by: Alexander Theißen <[email protected]>

* Introduce '--skip-packing' and '--skip-metadata'

* Apply suggestions from code review

Co-authored-by: Alexander Theißen <[email protected]>

* Short help message

* Output deprecated error for 'generate-metadata'

* Rename pack ➜ bundle

* Add 'cargo contract check' command

* Optimize resulting Wasm file, except on 'check'

* Do not make unoptimized file easily mistake for optimized one

* Get it to run with

* Update readme

* Make unoptimized wasm not show up in target folder

* Update comments

* Remove 'generate-metadata' variants

* Move dispatch logic into metadata

* Update src/main.rs

Co-authored-by: Alexander Theißen <[email protected]>

* Move logic into build.rs

* Improve progress output

* Make clippy happy

* Fix progress output

* Make it work with `--features test-ci-only`

* Apply cargo fmt

* Always use optimized Wasm for metadata hash

* Always use optimized Wasm for metadata hash

* Make it work with `--features test-ci-only`

* Switch naming

* Fix metadata/bundle output

* Use enum `BuildArtifacts` instead of boolean flags

* Improve misleading fn name

* Make it work with `--features test-ci-only`

* Make output more concise

* Print optimization result at the end

* Improve output

* Replace 5-tuple return value with struct

* Include hash only for bundle in metadata

* Make it work with `--features test-ci-only`

* Fix doc test

* Remove comments

* Introduce wrapper type CodeHash

* Make it work with `--features test-ci-only`

* Display important results bold

* Include size diff for `code-only` as well

* Remove comment

* Shorten code

* Clone metadata for correct UI output

* Remove unnecessary return

* Fix return type

* Print metadata generation in correct step

Co-authored-by: Alexander Theißen <[email protected]>