* add gas argument

* Add gas parameter to ext_gas_price

* Fix up gas_price offchain api

* Fix up env_access api

* Emulate gas price calculation

* Make clippy happy

* Use Saturating impl for emulating gas price calculation offchain

* Fmt

* Add offchain gas_price test

* Make clippy happy

* Hack to see if #[start] works

* Hack to see if #[no_mangle] works

* Remove incrementer bin target

* Use Rust extern api and pass back InkProject struct directly

* Uglify name

* Update remaining examples to use generate metadata function

* Do not generate for ink-as-dependency to make delegator work

* Remove explicit version from abi dependency

* Remove duplication

* Remove GenerateAbi trait

* [core] add Env::decode_input

* [lang/macro] remove unneeded crate dependencies

# Conflicts:
#	lang/macro/Cargo.toml

* [lang, lang/macro] add message dispatcher type code generation

* [lang/macro] add constructor dispatch enum code generation

* [lang] add executor functions and Execute trait

* [core] add decode_input to public env API

* [lang] fix incorrect trait bound in execute_message

* [lang/macro] add code generation for ink_lang::Execute

* [lang/macro] integrate Execute trait impls into contract dispatch

* [lang/macro] fix bug with constructors and messages with multiple inputs

* [lang] apply rustfmt

* [lang/macro] apply rustfmt + fix clippy warnings

* [lang] remove testable module

* [lang] clean-up lang module after implementing new dispatch codegen

# Conflicts:
#	lang/src/dispatcher.rs

* [lang] re-enable alloc init and finalize

* [lang] apply rustfmt

* [core] remove Env::input function

It has been deprecated. Users should use Env::decode_input function instead.

# Conflicts:
#	core/src/env/engine/off_chain/mod.rs

* [core, examples] fix move of CallData to env::test API

* [core] apply rustfmt

* [examples] fix examples Selector::from_str -> new

* [examples] fix multisig_plain doc-test import

* [examples] apply rustfmt to multisig_plain example

* [lang/macro] resolve some code dupes

* [primitives] add scale::{Encode, Decode} impls for Key

* [primitives] add #[inline] annotations to scale::{Encode, Decode} impls for Key

* [primitives] remove old Key and old KeyPtr abstractions

# Conflicts:
#	primitives/src/key.rs

* [abi] adjust codebase to new Key and KeyPtr abstractions

* [core] first step towards new Key and KeyPtr abstractions

* [primitives] add core::ops::Add impl to Key for testing

* [primitives] add Add impls for ref and value Key

* [primitives] add Key::as_bytes for little-endian architectures

* [primitives] add HasType{Id, Def} for Key

* [core] adjust ink_core::env for Key and KeyPtr changes

* [core] adjust ink_core::storage2 for Key and KeyPtr changes

* [lang] adjust ink_lang for Key and KeyPtr changes

* [lang/macro] adjust for Key and KeyPtr changes

* [core] fix lazy_cell Debug unit test

* [primitives] remove type_metadata impls, add scale_info impl

* [abi, core] update unit tests for Key changes

* [primitives] rename key2 -> key and key_ptr2 -> key_ptr module

* [primitives] rename bench functions key2 -> key

* [primitives] use Fields::unnamed

* [core] add ExecutionInput abstraction

* [core, lang] adjust env and lang abstractions for call builder changes

* [lang/macro] adjust cross-call codegen to use new call infrastructure

* [core] add #[inline] to many call infrastructure functions

* [core, lang] apply rustfmt

* [core, lang, lang/macro] avoid heap mem alloc for instantiations as well

* [core] add inline annotations to some instantation infrastructure

* [core] fix clippy warning

* [core] apply rustfmt

* [examples] fix multisig_plain example contract

* [examples] apply rustfmt

* [abi] create new layout trait and structures

* [abi] remove unused import

* [abi] add missing license header

* [abi] fix clippy warning

* [primitives] add KeyPtr to ink_primitives

* [core] use KeyPtr through ink_primitives and add ExtKeyPtr trait

* [abi] use KeyPtr of ink_primitives

* [abi] make EnumLayout use StructLayout

* [abi] implement custom serde::Serialize for LayoutKey

* [abi] implement IntoCompact for layout2 module types

* [abi] add doc comment

* [abi] apply rustfmt

* [abi] add unit test for LayoutKey serialization

* [abi] rename ArrayLayout::array -> new

* [abi] add dispatch_key field to enum layout

* [abi] derive From for all Layout variants

* [abi] add unit tests for the new layout traits and data structures

* [abi] add experimental CellLayout

* [abi] make tests work again for layout2

* [abi] use specialized serializer function for LayoutKey

* [abi] refactor UnboundedLayout

* [abi] add unit test for UnboundedLayout

* [abi] apply rustfmt

* [core/derive] slightly refactor code

* [abi] simplify enum test

* [primitives] derive Debug, Copy and Clone for KeyPtr

* [abi] simplify CellLayout::new

* [abi] fix calling incorrect constructor for LayoutKey

* [abi] move layout2 module file into directory

* [core] add StorageLayout trait to storage2 module

* [abi_derive, core_derive] remove unnecessary extern crate proc_macro

* [core] imply ink-generate-abi feature by std feature

* [core] derive Metadata for env types for std feature

* [core] add Key, Hash, AccountId and String StorageLayout impls

* [core/derive] add initial structure for StorageLayout derive

* [core] add StorageLayout impls for some more prelude types

* [core] fix Box<T> impl for StorageLayout trait

* [core] implement StorageLayout for storage2::{Memory, Pack, LazyArray}

* [core] fix StorageLayout impl for LazyArray

* [core] implement StorageLayout for LazyIndexMap

* [abi] add HashLayout

* [abi] rewrite UnboundedLayout test to HashLayout test

* [abi] remove unbounded layout

* [abi, core] apply rustfmt

* [core] add initial skeleton for StorageLayout tests

* [core] add StorageLayout impls for Lazy, LazyCell and LazyHashMap

* [core] add StorageLayout impls for Option and Result

* [core] add LayoutCryptoHasher trait

* [core] fix StorageLayout impl for LazyHashMap

* [core] apply rustfmt

* [core] add StorageLayout impl for storage2::Vec

* [core] add StorageLayout for storage2::SmallVec

* [core] implement StorageLayout for storage2::Stash

* [core] implement StorageLayout for storage BitStash, Bitvec and HashMap

* [core] improve StorageLayout impl for storage2::Vec

* [core] apply rustfmt

* [abi] fix clippy warning

* [core] add StorageLayout impl for storage2::alloc::Box

* [core] add StorageLayout impl for DynamicAllocator

* [core/derive] impl StorageLayout derive for struct items

* [core/derive] make StorageLayout derive work for enum items

* [core/derive] fix expansion for nested enums

* [core/derive] fix a bug with nested enums

* [core/derive] add unit test for MixedEnum

* [core/derive] apply rustfmt

* [lang] add revision 2 module

* [core] remove generic T: EnvTypes param from Dispatch trait

* [lang] remove unnecessary import

* [lang] remove unnecessary generic parameter

* [lang/macro] generate codegen for the new v2 traits

* [core] re-export SpreadLayout and PackedLayout macros from within ink_core

* [lang] further adjustments to make ink_lang_macro work with storage2

* [lang, core] apply rustfmt

* [lang] fix clippy warning

* [lang] fix some bugs with constructors without inputs

* [examples] adjust the Flipper example contract for the changes

* [lang] remove codegen for testing ink! contracts

No longer needed.

* [lang] remove test-env crate feature

* [lang] minor improvements to EnvAccess utility type

* [examples] remove unused import for Flipper

* [examples] remove test-env crate feature for Flipper

* [lang] remove unused IdentType::span method

* [examples] Flipper: adjust contract for ink_lang changes

* [examples] adjust Erc20 for the ink_lang changes

* [examples] fix some indentation in Cargo.toml

* [examples] adjust DNS contract for ink_lang changes

* [examples] adjust ERC721 for ink_lang changes

There is still a bug that we need to fix in ink_core.

* [example] adjust lib.rs of ERC721 to ink_lang changes

* [examples] adjust Delegator example contract for ink_lang changes

* [lang_macro] generate SpreadLayout and PackedLayout impls for cross-calling wrappers

* [core] release storage2::Stash::entries() iterator for non-testing API

* [core] add SpreadLayout and PackedLayout impls for () type

* [examples] convert multisig contract example to new ink_lang

* [examples] fix incrementer Cargo.toml indentations

* [examples] adjust runtime-storage example contract for ink_lang changes

* [core] apply rustfmt

* [lang] generate correct attributes for messages

* [examples] make use of derive(Default) for DNS example

* [lang_macro] improve some ink! error messages

* [lang_macro] update all compile tests

* [examples] multisig: ignore doc test

This needs serious fixing later! @athei

* [lang] remove old ink_lang abstractions

* [lang] remove no longer needed ink_lang modules

* [lang_macro] add compile test for derive on storage struct

* [examples] ignore failing doc test

* [examples] actually ignore the failing doc-test for multi-sig

* [lang] move v2 module back to origin

* [lang_macro] adjust codegen for new dispatch module structure of ink_lang

* [lang_macro] no longer impl ink_core::{Flush, AllocateUsing} for ink! dependencies

* [lang_macro] use root namespaces in codegen everywhere

* [lang] apply rustfmt

* [lang_macro] use only root namespaces in codegen (forgot some)

* [lang] remove nightly Rust feature usage

* [core] re-export StorageLayout from ink_core::storage2::traits

* [lang,abi] adjust ink! metadata generation codegen to new layout

* [lang] use root namespaces in codegen

* [examples] apply rustfmt

* [lang] update cross-calling codegen for new storage layout

* [examples] update Delegator example contract

* [examples] apply rustfmt

* [abi] remove StorageLayout trait from ink_abi crate

* [examples] apply rustfmt

* [examples] fix clippy warning

* [examples] fix multisig_plain contract

* [examples] apply rustfmt

* [examples] fix clippy warning

* [examples] remove commented out code from multisig_plain example

* [lang] refactor codegen for contract storage struct

* [lang] fix unused import warning

* [lang] eliminate CrossCallingConflictCfg

* [lang] do not generate normal storage struct as dependency

* [lang] re-introduce cross calling conflict cfg codegen

* [lang/macro] refactor codegen for cross-calling

* [lang] add new traits for Event connectors

* [lang/macro] use connectors API for event codegen

* [lang/macro] apply rustfmt

* [lang/macro] remove out-of-ink-module export

* [abi] fix selector encoding

* [lang/macro] fix unused warning

* [examples] adjust example smart contracts for recents ink_lang_macro changes

* [abi] fix unit test for selector

* [chores] update README ink! example

* [alloc] silence warnings of unused unsafe for core::intrinsics::abort

* [examples] apply rustfmt

* [lang/macro] fix codegen for `cargo test`

* [*] replace ink-generate-abi crate feature everywhere with std

* [examples] fix Cargo.toml for generating metadata

* [examples] move flipper/src/lib.rs one up

* [examples] move lib.rs to root folder

* [examples] fix Cargo.toml of ERC721

* [examples] apply rustfmt to ERC20

* [examples] apply rustfmt to ERC721

* [examples] apply rustfmt to all examples

* [abi] remove unused serialize_selector function

* [examples] fix bug that DNS example still used type-metadata crate

* [example] fix bug in multisig_plain example

* Rename EnvAccess direct emit_event method to avoid override

* Remove EmitEvent trait import

* Add test for decoding Transfer Event

* Only provide test Event alias when there are events

* Fmt

* Revert "Remove EmitEvent trait import"

This reverts commit 078fb09f

* Rename emit_event_inner to emit_event_generic

* Be more explicit calling emit_event

* Be more explicit calling emit_event

* Rename to emit_generic_event

* Remove EnvAccess method entirely

* [core, lang] add support for ext_terminate

* [lang] apply rustfmt

* [core, lang] add support for ext_transfer

* [core] apply rustfmt

* fix typo

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* [core] fix remaining bugs in the on-chain engine implementation

Co-authored-by: Andrew Jones <ascjones@gmail.com>

* [core] initial implementation of env revision 3

* add engine abstraction layer and implement api functions

* add support for dispatch_call to env3

* add missing invoke_runtime to api.rs

* [core] fix restore_contract docs

* [core] initial implementation of off-chain environment

* [core] clean-up of env3 fundamental types

* [core] add WasmEnv::reset_buffer

* show test submodule of env3 when compiling with rustdoc

* [core] initial implementation of the off-chain env instance

Also many other adjustments.

* [core] further enhancements to off-chain env

* [core] implement untyped Env for off-chain environment

* [core] implemented a good chunk of TypedEnv for the off-chain environment

* [core] minor improvements to env3

* [core] further improvements and additions to test-api of env3

* [core] remove former test-api file

* [core] env3: add support for ext_tombstone_deposit

* [core] env3: add setting of rent allowance in off-chain env

* [core] env3: remove buffer.rs

* [core] env3: remove property.rs

* [core] env3: mark some TypedEnv methods as not-todo

* [core] env3: enable off-chain api for non test/doc builds

* [core] env3: use a static buffer instead of Vec<u8>

* [core] env3: move static buffer into its own module

* fix doc comment

Co-Authored-By: Michael Müller <mich@elmueller.net>

* [core] env3: add missing license header

* [core] env3: remove deprecated doc note

* [core] env3: add off-chain {set/get}_runtime_storage

* [core] env3: add off-chain invoke_runtime dispatch

This also enables support for registering custom runtime call handlers.

* [core] env3: slightly improve env3::random docs comment

* [core] env3: move off-chain errors under EnvError

* [core] env3: add ext_random support for the off-chain environment

* [core] env3: minor clean ups

* [core] env3: improve TypedEncoded::assign

* [core] env3: un-mut some variables

* [core] env3: fix some clippy warnings

* [core] env3: add past_printlns to off-chain test api

* [core] env3: minor refactoring

* [core] env3: apply rustfmt

* [core] env3: clean up of call and instantiate contract

* [core] env3: rename moment -> time_stamp

* [core] env3: make get_runtime_storage return a Result instead of RetCode

* [core] env3: remove unneeded import

* [core] env3: add some trait impls for EnvTypes::Hash

* [core] env3: remove last remaining usages of RetCode

* [core] env3: refactor some errors

* [core] env3: document the EnvError enum

* [core] env3: add impls for fire methods on call and create builders

* [core] env3: add doc comment to past_printlns

* [core] env3: apply rustfmt

* [core] env3: update license headers

* [core] env3: support querying and emitting of events in off-chain env

* [core] env3: missing license header adjustment

* [core] env3: apply rustfmt

* [core] env3: rename some methods in off-chain test-api

* [core] env3: add doc comment to test::emitted_events

* [core] env3: add stub for test::advance_block

* [core] env3: rename some more test API methods

* [core] env3: initialize entropy of block randomly

* [core] env3: extend EnvTypes trait bounds

This change makes the trait bounds more similar to what Substrate defines.

* [core] env3: document SimpleArithmetic trait

* [core] env3: add From<u32> to SimpleArithmetic trait

* [core] env3: made some trait bounds more explicit in SimpleArithmetic trait

* [core] env3: add comment describing potential future extensions to SimpleArithmetic trait

* [core] env3: rename EnvTypes::Moment to TimeStamp

* [core] env3: add block_time to ChainSpec

* [core] env3: remove CodeDb again

Not needed right now. Maybe re-added at a later point.

* [core] env3: apply rustfmt

* [core] env3: implement off-chain test::advance_block

* [core] env3: fix bug in off-chain test::advance_block impl

* [core] env3: made SimpleArithmetic trait more explicit towards Output types

* [core] env3: add default initialization routines for off-chain environment

* [core] env3: remove test::create_user_account for now

* [core] env3: fix missing renaming from Moment -> TimeStamp

* [core] env3: impl PartialEq and Eq for off-chain error types

* [core] env3: add test::run_test for off-chain testing with default setup

* [core] env3: fix several minor bugs with the off-chain environment

* [core] convert key.rs tests to new env3

* [core] remove commented out code in key.rs tests

* [core] evn3: add test::get_contract_storage_rw

* [core] use env3 instead of env1 in storage cells

* [core] integrate env3 into storage::TypedChunk

* [core] remove storage::RawChunk and NonCloneMarker

* [core] adjust SyncChunk slightly for TypedChunk modifications

* [core] simplify transitioned env3 tests for TypedChunk

* [core] transition tests for SynChunk to env3

* [core] transition storage::Stash tests to env3

* [core] transition storage::HashMap tests to env3

* [core] transition storage::BinaryHeap tests to env3

* [lang] remove the entire ink! lang crate

It has been deprecated for a whole while.

* [model] remove ink! model crate entirely

It has been deprecated for a whole while.

* [core] remove the old env1 sub-module of ink_core

It has been deprecated for a whole while.

* [examples] remove model examples

* [examples] remove lang examples

* [examples] remove core examples

* remove "If given too few endowment" from docs

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* fix doc comment

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* fix doc comment

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* [lang2] initial steps towards basing on env3 instead of env2

With this commit `cargo contract build` already works.
However, cargo test etc. are still broken.

* [lang2] make macros work for `cargo test`

* [core, lang2] make contracts compile as ink-as-dependency

* [lang2] make events work for ink_lang2 on env3

* [lang2] remove AccessEnv - no longer needed

* [core] remove env2

* [lang2] fix tests

- Fix warning in ink_lang2
- Remove no longer needed test case
- Adjust some passing tests after default module import removal

* [*] apply rustfmt

* [lang2] silence unused warning for now

* [core] rename {create|Create}* to {instantiate|Instantiate}*

- CreateBuilder -> InstantiateBuilder
- CreateParams -> InstantiateParams
- create -> instantiate

* [core] rename endowment -> transferred_value for CallBuilder/Params

* [examples] adjust Delegator contracts for recents changes

* [core] rename now_in_ms -> block_timestamp

* [core] follow-up of the call renamings (transferred_value)

* [lang2] rename now_in_ms -> block_timestamp

* [examples] move examples out of the examples/lang2 folder

* [examples] fix runtime-storage example contract

* [examples] fix Flipper contract

* [examples] fix Incrementer contract

* [examples] fix Erc20 contract

* [utils] add Key and byte_utils to ink_utils

* [utils -> primitives] rename ink_utils -> ink_primitives

* [*] move all links from ink_utils -> ink_primitives

* [primitives] update Cargo.toml description

* [*] use ink_primitives::Key remove ink_core::Key

* [primitives] refactor new crate, make it more usable in ink! context

* [*] relink to ink_primitives for Key usage

* [abi] refactor macros and relink to ink_primitives::Key

* [lang2] fix usage of renamed Create{Builder, Params}

* [examples] fix examples under recent changes with ink_primitives

* [*] apply rustfmt

* [lang2/macro] remove deprecated feature usage of proc_macro_hygiene

* [examples] remove deprecated proc_macro_hygiene feature

* [core] remove test_utils

* [core] rename env3 to env

* [*] rename all usages of env3 to env

* [core] fix feature usage in num-traits of ink_core Cargo.toml

* [*] update README

* [primitives] conditionally compile type_metadata from ink_primitives

* [core] make env::get_contract_storage return Option<Result<T>>

* [core] fix some faulty doc comments

* [ci] fix GitLab CI

* [primitives] fix no_std compilation

* [primitives] fix warning

* [core] make `rand` dependency optional for `std` crate feature

* [core] remove the test-env crate feature from the ink_core crate

* [core,primitives] move some tests from primitives to core

* [lang] move lang2/ to lang/

* [*] rename all instances of ink_lang2 or lang2 to ink_lang or lang

* [lang/macro] fix ink_primitives dependency

* [*] apply rustfmt

* [core] fix clippy warning

* [ci] eliminate README from examples CI checks

* [examples] apply rustfmt

* [lang/macro] improve event codegen

* [core] rename TimeStamp/time_stamp to Timestamp/timestamp

* [lang] remove unused extern crate alloc

* [core] rename env::address to env::account_id

* [lang] perform renamings on ink_lang::EnvAccess but with deprecation instead of removal

* [core] fix missing time_stamp renamings

* [lang] fix missing TimeStamp renamings

* improve doc comment

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* improve doc comment

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* rename create_contract -> instantiate_contract

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* rename create_contract -> instantiate_contract

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* improve doc comment

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* impr

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* improve doc comment

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* improve doc comment

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* improve doc comment

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* rename endowment -> transferred_value

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* improve doc comment

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* rename create_contract -> instantiate_contract

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* rename create_contract -> instantiate_contract

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* rename time stamp to timestamp

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* rename SRML to env in docs

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* remove SRML word from docs

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* remove SRML word from docs

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* [lang] fix doc comment for filtered_keys in restore_contract

* [core] rename create_contract -> instantiate_contract

* [core] rename create_contract -> instantiate_contract

* [core] fix some renamings around endowment -> transferred_value

* [lang] rename create_contract -> instantiate_contract follow-up

* [core] apply rustfmt

* [core] improve restore_contract doc comment

* [core, lang] link to ink_core::env::* doc comments from all api places

* [core] apply rustfmt

Co-authored-by: Michael Müller <mich@elmueller.net>
Co-authored-by: Andrew Jones <ascjones@gmail.com>

* [core] add core/derive crate to add derive macro for Flush

* [core/derive] change license from GPL-3.0 to APACHE-2.0

* [core/derive] implement Flush and AllocateUsing derives based on synstructure

* [core] re-export AllocateUsing and Flush derives from within core

* [core/derive] fix AllocateUsing derive impl

* [core/derive] adjust AllocateUsing tests

* [core/derive] apply cargo fmt

* [core/derive] add test::utils and improve AllocateUsing tests

* [core/derive] add explanation docs

* [core/derive] add doc for a hack

* [core/derive] forbid deriving empty enums for Flush

* [core/derive] update compile tests

* [core] remove derive crate feature

* [core/derive] remove `extern crate ink_core` edition 2015 compat

* [core, examples, lang] update Flush impls

* [core] apply rustfmt

* [core] simplify Flush impl for StashHeader

* [core] remove derive crate feature

* [examples] fix clippy warning about Flush in delegator

* Update some deps

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Format

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Fix clippy-wasm

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* [examples] fix minor formatting issues

* [examples] fix some clippy warnings

* [lang2/macro] silence warning for ink! constructors named "new"

* [*] replace documentation link in Cargo.toml to ink! tutorial

* [abi] specify allow(clippy::trivially_copy_pass_by_ref) in a smaller scope

* [abi] specify allow(clippy::new_ret_no_self) in smaller scope

* [ci] adjust gitlab-ci.yml

* [ci] update Travis CI to just do coverage reporting

* [lang] Update proc-macro2, quote, syn to 1.0

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Remove old deps

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Format

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Revert .gitignore

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Fix parse_from_attr

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* rustfmt

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Fix clippy

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Revert builder to new

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* [cli] use temp dir for `cargo contract new` tests

* [cli] pass in temp dir to build command

* [cli] rustfmt

* [cli] remove some spaces

* [cli] rustfmt

* [cli] fix unused warnings

* [cli] TEMPORARY: see if test works on CI without nightly flag

* [cli] build: check if nightly toolchain is the default

* [cli] TEMPORARY: dump cargo output of build command test

* [cli] TEMPORARY: fix error in las commit

* [cli] TEMPORARY: add some diagnostics to see if .cargo/config is there

* [cli] TEMPORARY: use cat

* [cli] fix merge compilation error

* [cli] change ls and cat commands to current_dir

* [cli] fix troubleshooting logging

* [cli] TEMPORARY: comment out RUSTFLAGS for troubleshooting

* [cli] add link-dead-code args to top level .cargo/config

Avoids RUSTFLAGS env var overriding contract project's rust flags

* [cli] revert temporary CI build troubleshooting

* [cli] make rustflags not target specific

* [cli] only link-dead-code in CI

* [cli] TEMP: output .cargo/config

* [cli] printf instead of echo

* [ci] create cargo config in $CARGO_HOME instead of workspace root

* [ci] fix cargo_home path

* [ci] overwrite rather than append cargo home config

* [ci] restore original RUSTFLAGS, ignore failing build test

* [ci] remove stray echo

* Export selector as hex string

To have an unambiguous exported representation.
The previously used `u32` can be interpreted
differently depending on the endianness of the
target system.

* Improve JSON encoding of Key `layout` in Metadata

* Add tests for selector serialization

* Encode selector as [u8; 4]

* Remove unused import

* Satisfy rustfmt check

* Improve messages! macro

* Convert tabs to spaces.
* Replace `DELIMITER` with `@delimiter`.
* Improve comments.

* Improve comment

* Ensure old ABI format stays the same

* Reduce code duplication by introducing selector_to_expr()

* Satisfy rustfmt

* [abi] add some missing exports to ink_abi

* [abi] add missing docs

* [abi] replace vec![] with Vec::new()

* [abi] add ConstructorSpec + glue code

* [abi] add ConstructorSpecBuilder::done

* [abi] remove old DeployHandlerSpec

* [abi] bump derive_more version 0.14 -> 0.15

* [abi] move Missing struct above state module

* [abi] apply rust fmt

* [abi] add TypeSpec as a new wrapper around type with optional display names

* [abi] make EventParamSpec use new TypeSpec

* [abi] finish integrating the new TypeSpec into specification structs

* [abi] update abi_derive dependencies syn, quote and proc_macro to 1.0

* fix minor spelling in docs

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* [abi] refactor ContractSpecBuilder

* [abi] apply rust fmt

* [lang] implement new ink_abi API for ink_lang

* [lang] apply rust fmt

* [lang] implement display name support

* [lang] adjust compile time tests to new ink_abi codegen

* [core] add initial call builder implementation

* [core] add setters to CallBuilder

* [core] fix invalid mod import in no_std

* [lang] initial remote call implementation for ink_lang

* [examples] add ink-as-dependency crate feature to erc20 token contract

* [core] move calls and call error definitions

* [core] add ext_create support

* [*] apply rustfmt

* [core] expose ReturnType publicly

* [core] add ext_create impl on the SRML interfacing side

* [core] fix minor invalid module import

* [lang] split CallEnhancer into mut and immutable versions

* [lang] forward to call enhancers from short-version of remote calling

* [core] improve create builder to return the contract directly

* [lang] simplify env types code generation

* [lang] add create call builder code generation

* [lang] improve code gen by altering spans of the generated code

* [examples] add ink-as-dependency to all lang examples

* [cli] add ink-as-dependency to smart contract template

* [lang] fix code gen bug with forwarding references

* [lamg] move impls out of const item

It seems that inherent impls shouldn't be put inside a const item.

* [core] impl Default for Hash

* [lang] add Flush, scale::{Encode, Decode} for contracts as dependencies

* [examples] add example to call remote smart contracts

* [examples] remove invalid test code from delegator contract

* [abi] fix warning about suffixed tuple indices

* [lang] fix bug in generate-abi codegen for deploy handler with multiple args

* [lang] derive from type_metadata::Metadata for contract structs

* [examples] ran cargo fmt

* [examples] derive type_metadata::Metadata for Which

* [examples] make code hashes deploy inputs for delegator contract

* [core] rename gas_cost to gas_limit

* [core] remove parts that got re-introduced accidentally upon merge

* [examples] add a README to the delegator contract

* [examples] restructure delegator project structure

* [examples] fix Cargo.toml of delegator

* [lang] fix bug that ink-as-dependency derives Metadata for the state struct

* [lang] add getter for account_id of ink-as-dependency state structs

* [examples] adjust Delegator contract to make it work with old ABI generator

* [lang] import FromAccountId

* [examples] provide a build.sh script to deploy delegator contract

* [readme] add section about wabt and wasm-utils tools

* [readme] add off-chain test for the example smart contract

* [examples] add .value call to contract create calls of delegator

* [*] use fix-serialization branch of type-metadata

* [*] use type-metadata master branch again (PR was merged)

* [lang] update the noop compile test

* [lang] simplified the noop compile test doc comments

* [lang] fix compiletest for Flipper contract

* [lang] fix compile tests for incrementer contract

* [lang] fix compile tests for Events contract

* [scripts] do not check the Delegator for now (needs special treatment)

* [ci] update rust version from nightly-2019-08-13 to nightly-2019-08-30

* [examples] restructure delegator contract project structure

* [scripts] make check-examples script simpler again after delegator refactoring

* [examples] clean up Delegator contract

* [examples] improve build guidance of Delegator contract

* [lang] reintroduce the old ABI generation

We keep this in ink! until the new ABI format support is stable enough.

* [examples] update examples to be able to use the old ABI generation

* [cli] update template for old ABI generation

* [*] quick syncing of SRML contract call infrastructure

* [model] some minor cleanups

* [lang] adjust lang tests

* [model] change internal type of RetCode to u8

* [*] apply cargo fmt

* [model] improve docs of RetCode

* [abi] Create ink_abi sub crate

* [abi] Add initial types for abi generation

* [abi] Add EventParamSpec to include indexed event params

* [abi] Add documentation field to specs

* [abi] Add license and readme links and clean up authors

* [abi] Add missing license headers

* [abi] Fix some compile errors

* [abi] Make macros usable internally

* [abi] Create type_spec_of_tuple constructor macro

* [abi] Implement serialization for tuples

* [abi] Implement serialize for array types

* [abi] Remove module prefix of Vec<T>

* [abi] Apply rustfmt

* [abi] Improve minor formatting

* [abi] Add trait to allow external crate to specify serialize of TypeSpec<T>

* [abi] Make rustfmt happy

* [abi] Handle missing Vec in no_std environment

We really need a further abstraction to handle memory types.
Right now they life in ink_core but we shouldn't depend on ink_core from within ink_abi.
So we want to extract the memory sub module out of ink_core into its own crate that we can from then on depend on.

* [abi] Use same array pre-impls as metadata prototype impl

* [abi] Depend on cennznet/type-metadata + adjustments

* [abi] add missing license headers

* [abi] fixes for renamings in type-metadata crate

* [abi] add IntoCompact impls for layout types

* [abi] properly forward std feature

* [abi] implement Serialize for Key

* [abi] apply rustfmt and add some layout constructors

This also removes the dependency from ink_abi to ink_core and adds derive feature to type-metadata dependency.

* [core] implement ink_abi traits for ink_core abstractions

* adjust ink_abi Cargo.toml to using std feature by default

# Conflicts:
#	abi/Cargo.toml

* [core] Integrate ink_abi no_std compat into ink_core

* [lang] initial skeleton of codegen for ink_abi

* Enhance Flush (#136)

* [core] Enhance Flush trait to make it work with SyncCell and SyncChunk

* apply rustfmt

* [core] implement ink_abi traits for ink_core abstractions

* [core] Integrate ink_abi no_std compat into ink_core

* [core] Apply cargo fmt

* [cli] initial adjustments for ink_abi to ink! template

* [abi] clean-up of Cargo.toml

* [abi] remove invalid lib docs

* [utils] Update utilities docs

* [abi] improve JSON encoding of layout structs

* [abi] improve JSON encoding and add builder pattern constructors

* [abi] Add InkProject meta type

* [abi] temporarily depend on improve-json-output type-metadata branch

* [core] adjust type-metadata temporary branch to use the same as ink_abi

* [ci] add travis CI nightly-2019-08-01 channel (experimental)

* [abi] add MessageSpecBuilder::{args, docs} methods

* [core] implement Metadata for AccountId and Hash of DefaultSrmlTypes

* [abi] change type of selector from u64 to u32

* [lang] add some helper routines

* [lang] add code generation for new ABI format

* [abi,core] use master branch for type-metadata again

* [lang] implement initial code gen for ABI generation

* [examples] adjust Flipper contract example to ink_abi generation

* [lang] remove old generate-abi-description feature and associated code

* [examples] remove traces of removed generate-api-description feature

* [core] make cells_origin and chunks_origin only visible for test-env

* [cli] adjust template for ink-abi update

* [abi] implement ink_abi_derive for HasLayout derive macro

* [lang] make use of new ink_abi_derive functionality

* [examples] adjust Flipper for new ink_abi derive crate feature

This is needed because we disable default features.

* [abi] remove some commented-out code

* [chores] update README and include ink_abi docs

* [abi] apply rustfmt

* [lang] apply rustfmt

* [abi] apply rustfmt to non derive crate

* [core] apply rustfmt

* [lang] trim doc strings coming from syn::Attribute

* [examples] rename .tools directory to .ink

* [examples] fix bug with no_std and "std" crate feature

* [lang] fix bug in abi generation for events

* [examples] adjust events example to new ink_abi

* [lang] fix some more edge cases with doc string trimming

* [lang] fix a bug that path matching for function arguments was off

* [examples] adjust Incrementer to new ink_abi

* [cli] rename .tools to .ink in template

* [cli] update template Cargo.toml

* [examples] temporarily fix type-metadata hick-up

* [examples] make ink_abi optional

* [examples] adjust Erc20 token example to new ink_abi

* [cli] fix template no_std support

* [*] use master branch of type-metadata crate again

* [examples] replace parity-codec/std with scale/std

* [core] derive Metadata for some util types

This unfortunately was lost upon the latest rebase.

* [ci] update from nightly-2019-08-01/2019-07-19 to just nightly-2019-08-09

* [abi] remove commented-out code

* [abi] add some docs to specs items

* Update abi/src/specs.rs

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* Update abi/src/specs.rs

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* Update core/src/storage/collections/stash/impls.rs

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* Update core/src/storage/collections/stash/impls.rs

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* [examples] remove some more commented-out code

* [lang] remove outdated docs

* [lang] extract fn docs impl into helper method

* [lang] fix compile-error in `filter_doc_attributes`

* [core] use derive feature from ink_abi

* [examples] adjust shared_vec example for ink_abi

* [lang] trim doc comments raw string escape sequence

* [lang] adjust noop test for ink_abi

* [lang] adjust flipper test for ink_abi

* [lang] improve raw-string char sequence fix

* [lang] adjust incrementer test for ink_abi

* [lang] adjust events test for ink_abi

* [lang] fix whitespace (tabs) issues in lang tests

* [ci] add examples to CI

* [ci] remove +nightly attribute for examples

* [abi] remove instances of std usage

* [core] remove instances of std usage

* [examples] erc20: remove std usage in no_std environment

* [core] factor out ink_abi and type-metadata and guard their use with ink-generate-abi feature

* [examples] adjust examples to newest refactoring in ink_core

* [cli] adjust template to ink_core refactorings

* [scripts] add new script to quickly check all example smart contracts

* [ci] make use of new check-examples script

* [*] apply rustfmt

* [scripts] adjust check-examples to no longer set test-env

* [scripts] Add check-workspace script

* [examples] make test-env a default feature

* [cli] make test-env a default feature for the template

* [ci] update CI to use the new check-workspace script

* [*] parity-codec -> parity-scale-codec

* [core, model] Decode impls Option -> Result

* [core] typed_cell load expect successful Decode

* [core] Option to Result, remove redundant combinator

* [model] Option to Result

* [*] abbreviate parity-scale-codec

* [core] fix dummy Call Decode impl

* [ci] Add nightly-2019-07-19 (known to be working) as channel

* fix some formatting issues that led to Travis CI being unhappy

* [ci] Improve Travis CI script

- It now features a summary of all checks
- Also checks will now be run independent of other check status

* Adjust rustfmt.toml to newest rustfmt 1.3.3

* fix some minor warnings

* apply rustfmt

* fix formatting (make CI happy)

* [core] Enhance Flush trait to make it work with SyncCell and SyncChunk

* apply rustfmt

* add core gets ext_current_block and BlockNumber Types

* add lang gets ext_current_block and BlockNumber Types

* add model ext_current_block

* Update lang/src/gen/build.rs

Co-Authored-By: Andrew Jones <ascjones@gmail.com>

* add test_env current_block clear;

* [model] Make EnvHandler generic over Env

* [core] Remove api env functions

* [core] Remove default srml types, separate EnvStorage trait

* [core] Remove TryFrom bounds

* [core, examples] Convert incrementer to use NodeRuntime types

* [examples] Ignore duplicate wasm runtime lang items

* [examples] Tidy up incrementer example

* [core] Add Hash constraint for AccountId

* [examples] Convert model ERC20 example

* [lang, examples] Generate env type aliases, convert ERC20 example

* [types] Add pre-baked node-runtime types lib

* [examples] Convert core/incrementer to use node-runtime-types

* [examples] Convert lang/erc20 to use node-runtime-types

* [examples] Convert model/erc20 to use node-runtime-types

* [types, examples] Rename node-runtime to node_runtime

* [types] Add default contract environment types

* [types] Rename type crates

* [types, core] Move default types back to core

* [examples] Convert flipper example to use default types

* [core] Fix up test_env

* [core] Fix syn Errors after merge

* [core] Temporarily suppress unused errors in test_env

* [tests] Fix up test compilation

* [tests] Remove unused test code overrides

* [core] Make SrmlEnvStorage enum

* [core] Fix empty enum

* Use Debug impl of AccountId

* [model] Remove stray license template line

* [lang] Replace Env type alias with explicit type

* [core, tests] Store raw bytes in TestEnv data

* [model] Fix tests

* [examples] Add missing env import

* [core] Remove Hash + Copy constraints

* [core] Replace unwrap with expect

* [core] Remove unused import

* [lang] Fix missing Env type param for test-env

* [examples] Construct AccountId in tests by decoding bytes

* [examples] set_caller helper function

* [core, examples] Extract TestEnv events, no type param required

* [core, examples] Restore `r#return` api call

* [examples] Use from impl for AccountId

* [core. lang] Encode concrete env type in contract

* [lang] Fix lang failure tests

* [examples] Fix lang incrementer example

* [lang] Fix up events test

* [lang] Increase recursion limit for lang test

* [lang] Encapsulate env types in module and use alias for ContractEnv

* [lang] Fix remaining lang tests

* [examples] Move node runtime types to separate repo

* [lang] Make types public and prefix ContractEnv alias

* [lang] Remove ContractEnv alias, inline type

* [fix] Remove types/node_runtime from workspace

* [lang] Use fully qualified ContractEnv, fix lang tests

* [examples] Fix events lang example

* [lang, examples] Convert erc20 example to use new ink-types-node-runtime

* [docs, template, examples] Add missing EnvTypes declaration

* [lang] Add super import to types mod

* [examples] use DefaultSrmlTypes in erc20 example

* [examples] Use ink-types-node-runtime lib

* [examples] Use remote git dependency

* [core] remove unused reexport

* [core] update docs

* [examples] Fix core incrementer example

* [lang] Move 'env' type alias to test module

* Revert "[lang] Move 'env' type alias to test module"

This reverts commit 8f73f37b

* [lang] use Env trait to allow calling methods from type alias

* [lang] Fix lang codegen tests

* [lang] Use inner attr for EnvTypes instead of type alias

* [lang] Add some tests for parsing env types meta attr

* [lang] Pass EnvHandler type to fix compile error after merge

* [core] Add extra trait bounds to EnvTypes

* [core] EnvTypes test-env feature

* [examples] Reference master ink! in anticipation of merge

* [core] Docs and pub(self)

* [examples] Convert to AccountId::from

* [lang] Revert recursion limit

* [core] Make ContractEnv pub again

* [lang] remove env type alias

* [core] restore test env emitted_events method

* [core] missing T

* [core] emitted_events missing type parameter

* [examples] update env usage in erc20

* [examples] update env usage in other lang examples

* [examples] fix up core examples

* [examples] fix up model examples

* [core] fix import

* [core] phantom marker grumble

* [core] comment grumble

* [core] return Iterator from emitted_events

* [lang] remove commented out code

* [core] remove redundant allow_unused

* [examples] use DefaultSrmlTypes for erc20 example

* [ink] Fix some clippy warnings

* [lang] Major clean ups in preparation of greater refactorings

* [ink] Update rust-toolchain from 2019-04-20 to 2019-05-21

* [core,lang] Update & fix Cargo information

* [chores] Update rustfmt version to the current toolchain

* [core] Clean up, fix some warnings

* [core] Remove unneeded dependency

* [core] Ignore return value of Key ops

Fixes a warning

* [core,model] Adjust warning level

* [lang] Minor rustfmt run

* [ink] Add topics to events

For now, ink! will simply leave topics slice empty.

* [core] Add ext_gas_left, ext_gas_price and ext_value_transferred bindings

* [core] Clean up some code by dedup

* [core] Further code clean up

* [core] Simplify SrmlEnv::load impl

* [lang] Implement Vec<T> as message param or return type

* [lang] Apply rustfmt

* [lang] Reorganize Option api.rs tests

* [lang] Add tests for Vec in api.rs

* [lang] Support Result<T,E> type in message interfaces

Fix generated message struct visiblity