Commit Graph

53 Commits

Author SHA1 Message Date
cheme ea2a03b7bb Merge metadata by module (#1428)
Clean up metadata format. Merge events metadata into runtime metadata. Remove low value info (internal macro identifier and counters).
2019-01-30 19:34:08 +01:00
Stanislav Tkach 473721f959 Migrate node (cli, executor, primitives and runtime) to the 2018 edition (#1589) 2019-01-29 17:57:56 +01:00
Bastian Köcher b187695af7 Aura: Remove unused structures and adds SlotDuration::get() (#1565) 2019-01-25 10:56:46 +00:00
Bastian Köcher e5285e8a8d Adds some derives for the inherent data stuff (#1543)
* Adds some derives for the inherent data stuff

This makes working with them easier.

* More defaults!
2019-01-24 16:09:45 +01:00
Bastian Köcher 70b1af7b1e Rewrite Inherent data (#1488)
* Implement new inherent data

* Fixes compilation on wasm

* Fixes after rebase

* Switch back to generate inherent stuff by macro

* Update after rebase

* Apply suggestions from code review

Co-Authored-By: bkchr <bkchr@users.noreply.github.com>

* Fix compilation after rebase

* Address grumbles

* Remove `InherentDataProviders` from `Client`

* Update wasm files after rebase

* Address grumbles

* Fixes compilation after latest merge

* Last fix
2019-01-22 17:52:08 +01:00
Sergei Pepyakin 58cd6530be Dispatch Calls to other modules (#1473)
* WIP

* Use system::Origin::Signed as an origin

* Add a vm test for ext_dispatch_call

* Take fee for dispatching a Call

# Conflicts:
#	node/runtime/wasm/target/wasm32-unknown-unknown/release/node_runtime.compact.wasm

* Clean & Rebuild

# Conflicts:
#	node/runtime/wasm/target/wasm32-unknown-unknown/release/node_runtime.compact.wasm

* Dispatch call test.

* Rebuild the runtime.

* Fix the length of the buffer.

* Rebuild binaries.
2019-01-22 13:10:14 +01:00
Bastian Köcher 010e63116f Make runtime api calls native when possible (#1302)
* Add simple benchmark for the runtime api

* Make the executor support native calls

* Some documentation

* Hide behind `feature = "std"`

* Rework the native calls

* Make all tests compile again

* Make every parameter using the Block serialized/deserialized in the native call

* Forward `UnwindSafe` requirement

* Remove debug stuff

* Add some documentation

* Fixes warnings

* Fixes errors after master rebase

* Fixes compilation after master rebase

* Fixes compilation after rebase
2019-01-21 14:32:53 +01:00
Gav Wood c9f047fe84 Split Indices module from Balances (#1404)
* Indices module

* Remove indices stuff from balances

* Rejob node, move Lookup into system.

* Fix up some modules.

* Fix democracy tests

* Fix staking tests

* Fix more tests

* Final test fixes

* Bump runtime versions

* Assets uses compact dispatchers

* Contracts module uses indexed addressing

* Democracy has more compact encoding

* Example now demonstrates compact eencoding

* Sudo uses indexed address

* Upgrade key also uses indexed lookups

* Assets more compact types.

* Fix test

* Rebuild runtime, whitespace

* Remove TOODs

* Remove TODOs

* Add a couple of tests back to balances.

* Update lib.rs

* Update lib.rs
2019-01-16 15:57:19 +01:00
Gav Wood d6ef5f9215 Urgent safety fix for #1371 (runtime version) 2019-01-10 16:06:19 +01:00
Gav Wood 37fa74b891 Updates for CC's recent upgrade (#1381)
* Updates for CC's recent upgrade

- Version bump to 0.9.2
- Runtime version bump to v14
- Avoid misuse of error return type for system_health RPC

* Fix tests
2019-01-10 11:34:25 +01:00
Gav Wood fc5fdab5f2 Cherry updates (#1373)
- Introduce compact extrinsics into Cherry
- Remove UpgradeKey from Cherry (Sudo is enough)
- Remove networkId from Cherry properties
2019-01-09 12:52:16 +01:00
Gav Wood ef8b94656e Sudo module (#1315)
* Sudo module

* Fix comment

* Fix errors

* Fix test

* Update hashes

* Final test fixes and build

* Final hex change
2018-12-21 13:43:34 +01:00
Gav Wood 353a87732d Bump to v0.9.1 (#1307) 2018-12-20 20:30:54 +01:00
Robert Habermeier 6299b42a4d Punish offline validators, aura-style (#1216)
* make offline-reporting infrastructure more generic

* add a listener-trait for watching when the timestamp has been set

* prevent inclusion of empty offline reports

* add test for exclusion

* generate aura-offline reports

* ability to slash many times for being offline "multiple" times

* Logic for punishing validators for missing aura steps

* stub tests

* pave way for verification of timestamp vs slot

* alter aura import queue to wait for timestamp

* check timestamp matches seal

* do inherent check properly

* service compiles

* all tests compile

* test srml-aura logic

* aura tests pass

* everything builds

* some more final tweaks to block authorship for aura

* switch to manual delays before step

* restore substrate-consensus-aura to always std and address grumbles

* update some state roots in executor tests

* node-executor tests pass

* get most tests passing

* address grumbles
2018-12-10 18:37:08 +01:00
Gav Wood 66cbe232f5 Governance: Voters put money where mouth is (#1183)
* Referendums only gett enacted after a delay; successful voters must
lock funds up until enactment.

* Build fixes.

* Configurable council enact delay, fix test builds.

* Fix spelling

* Remove TODO
2018-12-10 17:29:40 +01:00
Bastian Köcher 1f6719346f Make runtime api generate version and identifier information (#1226)
* Make `decl_runtime_apis!` implement `RuntimeApiInfo` for all runtime
apis

* Make the runtime side generate the info constants as well

* Make `RuntimeApiInfo` implementation use the correct generics

* Adds a test for the runtime api info stuff

* Remove duplicated code by using block from `test-client`

* Adds `compile_fail` tests for `api_version`

* Adds documentation for `api_version`

* Make `impl_runtime_apis!` generate `RUNTIME_API_VERSIONS`

* Update documentation and tests for `RUNTIME_API_VERSIONS`

* Implement `has_api` by using the `RuntimeApiInfo`

* Make `impl_runtime_apis` check that trait identifiers are unique

* Prefix all runtime api function with the corresponding trait

So `execute_block` will be called `Core_execute_block`.
This makes it possible to have traits implement a function with the
same name.

* Rebase master

* Update after master rebase
2018-12-10 11:48:07 +01:00
Robert Habermeier 63980e3770 make block builder and construct_runtime! generic over inherent-data (#1191)
* make block builder generic over inherent-data

* construct_runtime has you specify inherent data type

* get all tests to compile
2018-12-03 11:49:30 +01:00
Bastian Köcher ed421c56ee Rewrite impl_runtime_apis! and decl_runtime_apis! as proc-macro (#1174)
* Rewrites `impl_runtime_apis!` macro as `proc-macro`

* Adds some documentation

* Require the `impl_runtime_apis` to use a path for accessing the trait

* Make the runtime implement `GetNodeBlockType`

* Moves first chunk of runtime api code into the `impl_runtime_apis` macro

This also renames `ClientWithApi` into `RuntimeApi`.

* Make `impl_runtime_apis` use `runtime` api version automatically

* `decl_runtime_apis` automatically adds `Block: BlockT` as generic parameter

* Remove function generic arguments in block builder api

* Remove some unnused stuff from the `decl_runtime_apis` macro

* Make `InherentData` working again

* Make `impl_runtime_apis!` implement the `RuntimeApi` side as well

* Make it compile again after rebasing with master

* Split `sr-api-macros` into multiple files

* Reimplement `decl_runtime_apis!` as proc_macro

* Use `decl_runtime_apis!` for `Core` as well and improve error reporting

* Adds documentation for `decl_runtime_apis!` and `impl_runtime_apis!`

* Move some code

* Adds compile fail tests

* Adds a test and fixes some bugs

* Make `impl_runtime_apis!` support `_` as parameter name

* Fixes build errors with wasm

* Wasm rebuild after master rebase

* Apply suggestions from code review

Co-Authored-By: bkchr <bkchr@users.noreply.github.com>

* Addresses some grumbles

* Adds test to ensure that method signatures need to match

* New wasm files
2018-11-30 11:42:46 +01:00
Guanghua Guo 309f627d5c Delete unused extern (#1178) 2018-11-30 07:27:30 +01:00
Bastian Köcher 41aec063df Make grandpa export its calls (#1153) 2018-11-22 17:13:43 +01:00
Robert Habermeier 11fe84a742 Minimal switch of substrate-node to GRANDPA /Aura (#1128)
* add beginnings of SRML grandpa library

* get srml-grandpa compiling

* tests for srml-grandpa

* add optional session integration to grandpa SRML

* start integration into node runtime

* Allow extracting pending change from header digest

* Make it compile on wasm

* make tests compile again

* Move Authority Key fetching into service, simplify service factory construction

* Generalize Authority Consensus Setup system

* Add Authority Setup Docs

* Allow CLI params to be extensible

 - move params to structopts
 - split parsing and default command execution
 - add custom config to node
 - extended parsing of custom config
 - extending params via structop's flatten

* Minor fixes on cli extension params:
 - added docs
 - re-add actual app name, rather than node-name
 - make strategy and subcommand optional

* better cli params

* synchronize GRANDPA and normal node authorities

* Implement grandpa::network for gossip consensus

* run_grandpa in Node

* Fix missed merge error

* Integrate grandpa import queue

* more specific type def

* link up linkhalf and import block

* make grandpa future send

* get compiling

* Fix new params convention and license header

* get it running

* rebuild node runtime WASM

* change logging level

* Update node/cli/src/params.rs

Co-Authored-By: rphmeier <rphmeier@gmail.com>

* Update node/cli/src/params.rs

Co-Authored-By: rphmeier <rphmeier@gmail.com>

* Update node/cli/src/lib.rs

Co-Authored-By: rphmeier <rphmeier@gmail.com>

* Update node/runtime/src/lib.rs

Co-Authored-By: rphmeier <rphmeier@gmail.com>

* Update node/cli/src/lib.rs

Co-Authored-By: rphmeier <rphmeier@gmail.com>

* Clean up and Fixme for mutable config

* Move GrandpaService Integration into grandpa, feature gated but on per default

* Fixing grandpa runtime module test

* Update wasm runtime hashes for tests

* GRANDPA: use post-header hash when logging scheduled changes

* add an extra bit of logging to authorities

* fixing missing constrain

* remove old code

* move `NewAuthorities` to an event in srml-grandpa

* fix node-executor tests to use grandpa log

* Remove GossipConsensus from tests, use newly provided sync-feature, fixes tests

* Update to latest wasm runtimes

* address grumbles

* address grumbles

* only derive deserialize when using std

* Clean up use of Deserialize
2018-11-21 18:42:50 +01:00
Robert Habermeier 5d5bbcccfb rename fg-primitives to more verbose name (#1123) 2018-11-16 08:36:04 +01:00
Bastian Köcher 276ec5f85d Try to get grandpa tests compiling again (#1121)
* Revert "start to refactor block import wrapper a bit"

This reverts commit b919de49e1a82422a0870b66100832d531174771.

* Refactor grandpa stuff to get tests almost compiling

* Fixes after rebase

* Fixes merge compile errors
2018-11-16 07:44:51 +01:00
Bastian Köcher 3cd2739f66 Fixes GrandpaApi implementation and usage 2018-11-15 17:34:55 +01:00
Bastian Köcher 9063d1acae Implement runtime api client side directly in the runtime (#1094)
* Move `initialise_block` into `Core` trait as it is crucial calling the API functions

* Switch to first version of new runtime API implementation

* Fixes bug in tests

* Reenable asserts

* Directly use the `TestAPI` in the tests

* Start improving the api traits

:100644 100644 898aadc7 49217199 M	Cargo.lock
:100644 100644 61570436 465ed664 M	core/client/src/backend.rs
:100644 100644 5d0c886b 64d710fd M	core/client/src/block_builder.rs
:100644 100644 c447855e 5ecbe474 M	core/client/src/client.rs
:100644 100644 139cef13 f90dbf3d M	core/client/src/error.rs
:100644 100644 2800c503 3298e66a M	core/client/src/runtime_api.rs
:100644 100644 affa1c5c 809b08bc M	core/primitives/src/lib.rs
:100644 100644 2877dfa9 d5547413 M	core/sr-api/Cargo.toml
:100644 100644 9a49784d 6a625a03 M	core/sr-api/src/lib.rs
:100644 100644 7c28e1c7 a1a444a9 M	core/sr-primitives/src/traits.rs
:100644 100644 2e113ab6 dcc01a6d M	srml/metadata/Cargo.toml
:100644 100644 ea722a70 0809531a M	srml/metadata/src/lib.rs

* Refactoring

* Move `sr-api` into client and more refactoring

* Fixes tests

* Some documentation and cleanup

* Fixes compilation after rebase

* More refactoring and more documentation

* Makes `substrate-client` compilable on `wasm`

On `wasm` it basically just exports the runtime api stuff.

* Fixes grumbles

* Updates wasm files after rebasing the master

* Remove TODO comment

* Remove whitespaces

* Fixes after rebasing master

* Another rebase, another fix commit
2018-11-13 13:33:28 +01:00
Gav Wood 57b2896332 Remove unneeded Serde requirements (#1076)
* Remove superfluous serde requirements.

* Try to ensure hash is serde

* Fixups

* Building again

* Attempt to reenable Block (doesn't build)

* Fixes compilation for node cli

* Fixes test compilation

* Fix wasm

* Fix tests

* Remove unneeded changes

* Fix up comments

* Reenable some code

* Compile error when origin misused.

* Remove unnecessary includes of `serde_derive`

* Cleanups
2018-11-12 18:40:18 +01:00
Hero Bird 660c747c51 Update fixed-hash & uint utilities (#1078)
* [core/primitives] Update crunchy 0.1 => 0.2

* [core/primitives] Update fixed-hash 0.2 => 0.3.0-beta

* [core/primitives] Update `uint` 0.4 => 0.5.0-beta

* [core/state-machine] Fix errors emerged by fixed-hash update

* [core/state-db] Fix errors that emerged from fixed-hash update

* [core/sr-io] Fix errors that emerged from the fixed-hash update

* [core/trie] Fix errors emerged from fixed-hash updates

* [core/trie] Make use of new Hash::as_fixed_bytes_mut method in tests

* [core/sr-primitives] Fix errors emerged from updating fixed-hash

* [core/executor] Fix errors that emerged from fixed-hash update

* [core/test-runtime] Fix errors that emerged from updating fixed-hash

* [core/test-runtime] Fix an error that emerged from fixed-hash update

* [core/transaction-pool] Fix errors that emerged from updating fixed-hash

* Add From<u64> impl for hash types defined in core/primitives

* [core/client/db] Fix errors that emerged from fixed-hash update

* [core/{client/network/rpc}]: Fix errors emerged by fixed-hash update

* [node/{cli/executor/runtime}]: Fix errors emerged by updating fixed-hash

* [core/network]: Fix bug in parsing constant str

* Update Cargo.lock

- Add crunchy 0.2.1
- fixed-hash 0.2.2 => 0.3.0-beta.3
- Add static-assertions 0.2.5
- uint 0.4.1 => 0.5.0-beta.1

* [core/primitives]: Add fixed-hash/rustc-hex feature for FromStr impl

* [core/primitives] No longer provide From<u64> impl for hash types if byteorder support is not enabled

* [core/primitives] Revert to using From impl again in primitives tests

* [core/..] Fix some bugs that emerged by recent fixed-hash updates

* Update a bunch of Cargo.lock files

* [core/state-db] Re-add whitespace between attr and extern crate/mod

* [core/primitives] Fix bug in From<u64> impl for hash types using the wrong feature guard
2018-11-06 15:39:55 +01:00
Guanghua Guo c3809fe962 Delete unuse extern (#941) 2018-11-02 21:05:37 +01:00
Benjamin Kampmann 50adea6220 Consensus Engines Implementation: Aura (#911)
* Generalize BlockImport

 - move ImportBlock, BlockOrigin, ImportResult into shared sr-primitives
 - let Consensus provide  and  traits again
 - update consensus traits to latest development
 - implement traits on client::Client, test_client::TestClient
 - update RHD to use the new import_block API

* Move ImportBlock into consensus-common
* Send import notification in aura tests
* Integrating aura into service
* Make Signatures more generic
* Aura Block Production with the given key
* run aura on the thread pool
* start at exact step start in aura
* Add needed wasm blob, in leiu of better solutions.
* Make API ids consistent with traits and bring upstream for sharing.
* Add decrease_free_balance to Balances module
* Encode `Metadata` once instead of two times
* Bitops include xor
* Upgrade key module.
* Default pages to somewhat bigger.
* Introduce upgrade key into node
* Add `Created` event
2018-10-27 15:59:18 +02:00
Bastian Köcher 6244b6a3b9 Encode Metadata once instead of two times (#946) 2018-10-25 09:36:57 +02:00
Gav Wood 583c24f017 Add Assets module (#925)
* Add Assets module

* Fixes

* Fix

* Update comments

* Support `GenesisConfig` without any fields

Fixes: #923

* Do not generate an empty `GenesisConfig`, instead generate no `GenesisConfig`
2018-10-20 12:43:00 +02:00
Svyatoslav Nikolsky ca38fd72f6 Moved DigestItem impl to impl_outer_log (#932)
* moved DigestItem impl to impl_outer_log

* Enable backtrace collecting on the CI

* internal module is not required in impl_outer_log

* Revert "internal module is not required in impl_outer_log"

This reverts commit 5430446971cdf5fd5735863b86cd08a11d35d1dd.

* Revert "moved DigestItem impl to impl_outer_log"

This reverts commit 8872bbee963dbb4316251222f5c0757303fb3f52.

* Revert "Revert "moved DigestItem impl to impl_outer_log""

This reverts commit 47afd59682f8828665bd9cfb293b40ce4c4787af.

* Revert "Revert "internal module is not required in impl_outer_log""

This reverts commit 9ae640010c00ef134099d5b6a4430d330be134b2.

* More diagnostics

* check if only 1 test fails

* test is back + some "traces"

* removed some traces

* removed "traces"
2018-10-19 09:47:09 +02:00
Bastian Köcher 4132a49fbb Move inherent implementation into the modules (#924)
* Adds new `ProvideInherent` trait

Also implements the new trait for `srml/consensus` and `srml/timestamp`.

* Adds `impl_outer_inherent!` macro

* Reexport macros from `alloc`

* Introduce `RuntimeString` and fix `ProvideInherent` on `no_std`

* Replace `VersionString` with `RuntimeString`

* Improvements for `impl_outer_inherent!`

* Make `construct_runtime!` support `impl_outer_inherent!`

* Fixes after rebase

* Whitespace
2018-10-18 10:55:52 +02:00
Gav Wood 8bc5242c92 Compact format for block number, nonce, balance (#910)
* Try to make everything compact

* Make `Clone` work

* Fix

* Move contracts and balances over to compact encoding

* Session and timestamp are compact

* Sataking uses compact numbers

* Treasury now compact

* Compact Democracy

* Council is compact

* Fix
2018-10-16 22:47:30 +02:00
Bastian Köcher 8de663f105 Adds check_inherents function to the BlockerBuilder API (#912)
* Adds new `check_inherents` function to the `BlockBuilder` API

* Switch to `check_inherents` in `node-consensus`

* Remove `CheckedBlock`, because it is not required anymore

* Fixes after rebase

* Fixes compilation on stable
2018-10-16 20:30:04 +02:00
Benjamin Kampmann ac4bcf879f Generalize the Consensus Infrastructure (#883)
* Split out Consensus
* Supply ImportQueue through network-service
  - simplify ImportQueue.import_blocks
  - remove Deadlock on import_block
  - Adding Verifier-Trait
  - Implement import_queue provisioning in service; allow cli to import
* Allow to actually customize import queue
* Consensus Gossip: Cache Message hash per Topic
2018-10-16 13:40:33 +02:00
Bastian Köcher 6b4b8b8f8e Runtime API clean up (#892)
* Rename `NewTxQueue` to `TaggedTransactionQueue`

* Remove `BlockBuilder` API and support adding documentation to the API functions

* Adds new `BlockBuilder` API

* Fixes compilation with new `BlockBuilder` API

* Some more cleanup

* Cargo.lock update

* Try to fix on stable
2018-10-09 14:01:23 +02:00
Bastian Köcher 2c65ad6c7b Refactor the runtime API to use traits. (#878)
* Add missing `As` imports.

* Adds new API traits that will be used by the client and runtime

* Switch consensus to new API's

* Switches transaction-pool to new API's

* Move runtime api stuff into its own crate

* Adds `impl_apis!` macro for implementing the new API traits

* Make `metadata` return directly a blob

* Runtime replace `impl_stubs!` with `impl_apis!`

* Switches to none feature based approach for declaring the different API traits

* Fixes compilation error

* Fixes errors

* Make the `decl_apis!` trait usable from the outside

* Make the `test-client` use the new API traits

* Remove last `impl_stubs!` bits and move some of them into wasm executor for tests

* A little bit more documentation
2018-10-09 10:58:29 +02:00
guanqun 1cc0e3b6ea Enhance decl storage (#777)
* enhance macro decl_storage()

* update the state root hash

* fix one comment
2018-10-05 14:20:32 +02:00
Arkadiy Paronyan a5a7dd2480 Fixed transaction propagation (#850) 2018-09-30 16:48:41 +01:00
Arkadiy Paronyan 9a660f82ed Integration tests (#805)
* Started substrate tests

* Sync test

* Test updates

* Improved tests

* Use on-chain block delay

* Parallel test execution

* Otimized tests

* Logging

* Fixed racing test

* Fixed compilation

* Fixed timestamp test

* Removed rlp dependency

* Minor fixes

* Fixed tests

* Removed best_block_id and resolved fdlimit issue

* Whitespace

* Use keyring

* Style

* Added API execution setting

* Removed stale import
2018-09-28 10:37:55 +01:00
Bastian Köcher 2332d6dd04 More dependency cleanup (#825)
* Removes `rlp` dependency

* Enable warnings about unused crates in the CI

* Remove all the unused crates

* Make tests working again
2018-09-27 17:52:51 +01:00
Arkadiy Paronyan 29c9719568 Support authoring for multiple runtime versions (#816) 2018-09-27 13:56:40 +01:00
Sergey Pepyakin 98e0a3a55a Contracts: Add transfer event (#801) 2018-09-25 20:49:18 +01:00
Gav Wood 25393abef8 Rewards & slashes proportional to the least-slashable validator (#781)
* Initial stuff

* Treasury now mints based on lowest staked.

* Tests build

* Fix tests

* Fix hashes

* Fix tests & grumble
2018-09-21 09:10:16 +02:00
Gav Wood 67bf1a6eaa Transaction eras (#758)
* Initial groundwork

* A mess.

* Integrate

* Fix tests

* Unit tests

* Tests for unchecked_extrisnic

* fix tab

* Improve binary format.

* fix tests

* Rename extrinsic-pool -> transaction-pool

Closes #770

* Implement unimplemented.

* typo
2018-09-20 14:01:01 +02:00
Bastian Köcher 5d64be26c3 Replace JSON metadata with custom metadata structures (#766)
* Move module metadata from json string to custom metadata

* Revisit the metadata structures

1. Move the structures into the metadata crate.
2. Switch to using Cow/MaybeOwnedArray to support Encode/Decode

* Adapt to new metadata structures

* Convert event json metadata to new metadata structures

* Convert storage json metadata to new metadata structures

* Convert runtime metadata from json to new metadata structs

* Implements new metadata structures in client and runtime

* Fixes errors on `no_std`

* Fixes errors after rebasing master

* Do not use `Cow` anymore in metadata

Also replace `String` with our own type definition `StringBuf`.
This fixes compilation on `no_std`.

* Wrap `RuntimeMetadata` in `RuntimeMetadataVersioned` to support versioning

* Move metadata into `srml` and make core unaware of the implementation
2018-09-20 07:35:32 +02:00
Bastian Köcher 3c0da110f3 Bkchr impl macros scope (#774)
* Fixes compilation of sandbox tests

* Make `impl_outer_log!` scope independent
2018-09-20 00:02:29 +02:00
Svyatoslav Nikolsky 7fa337afbc Light friendly storage tracking: changes trie + extending over ranges (#628)
* changes_trie

* changs_trie: continue

* changes_trie: adding tests

* fixed TODO

* removed obsolete ExtrinsicChanges

* encodable ChangesTrieConfiguration

* removed polkadot fle

* fixed grumbles

* ext_storage_changes_root returns u32

* moved changes trie root to digest

* removed commented code

* read storage values from native code

* fixed grumbles

* fixed grumbles

* missing comma
2018-09-18 09:14:41 +02:00
Gav Wood f10d8e177d Generalised Transaction Queue API (#741)
* First effort

* API versioning

* Introduce validate_transaction

* Introduce the API plus fixes.

* Docs

* Typo

* Add longevity parameter to transaction validity info.
2018-09-17 18:43:59 +02:00