* [*] 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

* [cli] reject creating new contract with hyphenated name

* [cli] add test, make kcov happy

* [core] Add AccountId to EnvTypes

* [core] Add calls mod, plus WIP tests

* [core] Balance transfer call roundtrip works

* [core] Add ext_dispatch_call

* [core] Implement ext_dispatch_call

* [examples] Add example lang contract for ext_dispatch_call

* [examples] WIP: implement example lang contract for ext_dispatch_call

* [examples] complete basic implementation of dispatching Balances Call

* srml-contracts -> srml-contract

* [core] remove unsafe from dispatch_call api fn

* [core] Add docs to dispatch_call

* [core] Add missing trait bound to account index

* [core] Some todos

* [core] Rename dispatch_call to dispatch_raw_call on Env trait

* [lang] Add AccountIndex type alias

* [model] add strongly type dispatch call to EnvHandler

* [*] specify latest parity-codec version, same as substrate

* [core] fix call roundtrip tests

* [lang] fix tests

* [core] fix wasm build

* [core] fix std build

* [core] move call type serialization tests

* [core] test Call serialization roundtrip

* [core] use node_runtime for Call serialization roundtrip

* [core] remove unused dependencies

* [core] remove unused substrate dependencies

* [core] change default Balance to u128, matching substrate

* [core] introduce Address type for balance calls

* [core] fix Balances transfer serialization test

* [core] add Address serialization tests

* [ci] install wasm-gc for building substrate dev deps

* [ci] move wasm-gc installation after wasm target added

* [examples] get the calls example compiling

* [CI] add temporary check for debugging ci build

* [CI] restore wasm-gc to install section and remove temp version check

* [CI] temporarily depend on substrate branch to test build fix

* [CI] remove temp substrate branch, build issue fixed

* [core] use std feature instead of test-env for EnvTypes

* [core] remove Call types, moved to ink-types-node-runtime

* [core] remove AccountIndex from EnvTypes

* [core] remove AccountIndex from lang codegen

* [core] fix unused for std

* [CI] remove wasm-gc from travis build

* [CI] remove AccountIndex type alias from codegen

* parity-codec version 4.1.1 -> 4.1

* [core] ext_dispatch_call docs

* [core] describe in comment what will happen if decoding fails

* [model] implement suggestion of Into<Call>

* rustfmt

* rustfmt again

* rustfmt again again

* [examples] deleted calls example - moved to ink_types_node_runtime

* [core] use into in api::dispatch_call

* [core] make Call empty enum and use test-env feature for EnvTypes

* [core] remove unused Call enum

* [core] add comments explaining rationale for test-env

* [core] missing period

* [core] add comments

* [core] add space in comment

* [core] add comment to Call decode impl

* [core] make dispatched_calls a DoubleEndedIterator

* [core] add missing doc comment

* [core] add comment explaining Decode requirement

* [core] doc comment and DoubleEndedIterator

* [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] implement empty Flush for AccountId and Hash to fix erc20 example

* [core] rustfmt

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

* apply rustfmt

* make std crate feature default for all ink crates

* adjust travis CI for builds without std feature enabled

* remove incorrect usages of ink_abi

* apply rustfmt

* remove invalid type-metadata dependencies for ink_core

* [lang] fix Cargo.toml indentations

* adjust Erc20 token examples for new std crate feature

* adjust template and lang example std feature and propagation

* fix BitBlock number

* fix typos

* change method name current_block -> block_number

* fix current_block -> block_numebr

* 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;

* [examples] fix erc20 tests

* [core] ditch input buffer, read from scratch instead

* [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

* [core] Factor nightly alloc parts out of core into new alloc ink crate

* Further cleanup after factoring out ink_alloc crate

* [alloc] Use symlinks instead of copies

* [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

* WIP: add template

* Zip build file from temp dir

* Unzip in new command

* Unzip files to target dir

* Fix warnings

* Remove unwraps from unzipping

* Refactor build.rs

* rustfmt

* Remove printlns

* Use PathBuf in build.rs

* Replace variables in template files

* Diable zip default features

* rustfmt

* Impl ext_now

* Fix build

* use read_scratch_buffer

* remove examples

* [examples/lang] Add shared_vec example

It demonstrates usage of events, Option and Result.

* [examples/lang] Make use of docs in event syntax for shared_vec

* [examples/lang] Add more docs to events in shared_vec

* [examples/lang] Remove unnecesary return

* [examples/lang] Add mutator field to Push event

* [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

* [examples] Fix a bug in `transfer_from`

This should fix the known bug, but may have some others in there...

Would rather have a more direct implementation: either simplified or directly copied from a known working sample.

* [examples] Making ERC20 tests even better

* [example] Make `balance_of` getter use `balance_of_or_zero`

* Use the final ERC20 contract from workshop

* [examples] Reduce getters to one line

* [examples] Fix a bug in `transfer_from`

This should fix the known bug, but may have some others in there...

Would rather have a more direct implementation: either simplified or directly copied from a known working sample.

* [examples] Making ERC20 tests even better

* [example] Make `balance_of` getter use `balance_of_or_zero`

* Use the final ERC20 contract from workshop

* [examples] Reduce getters to one line

* [examples] Use new event syntax

* [examples] Run cargo fmt

Fix generated message struct visiblity