feat: add build crosschain input (#91)

feat: add build crosschain input (#91)

* wip: init DecodeCrossOutAction

* refactor: move DecodeCrossInAction to AccountMgr

* fix: fix account/builder.go

* fix: fix asset in crossInAction.Build

* update source in crossInAction.Build

* refactor: clean up

* fix: fix sourceID in crossInAction.Build

* init

* feat: serializeAssetDef & checkValidJSON

* fix

* refactor: add asset.Registry into accountManager

* wip: add asset definition comparison

* feat: cheack asset definition mismatch

* wip

* fix: add

* refactor: add lines

* wup

* revert

* clean

* revert

* merge

* wip

* revert

* clean

* fix

* fix

* clean

* fix

* clean

* fix MustDecodeHash

* fix

* clean up

* init saveExternalAssetDefinition

* fix

* fk

* update

* wip

* update

* draft

* update

* draft

* check replay

* clean

* init

* wwww

* draft conseus fed

* clean

* merfe

* clean

* clean

* clean

* fix https://github.com/Bytom/vapor/pull/77#discussion_r286745872

* fix https://github.com/Bytom/vapor/pull/77#discussion_r286742937

* fix https://github.com/Bytom/vapor/pull/77#discussion_r286744128

* fix https://github.com/Bytom/vapor/pull/77#discussion_r286744426

* fix https://github.com/Bytom/vapor/pull/77#discussion_r286744843

* fix https://github.com/Bytom/vapor/pull/77/files#r286744635 & https://github.com/Bytom/vapor/pull/77#discussion_r286744048 & https://github.com/Bytom/vapor/pull/77#discussion_r286743987

* fix https://github.com/Bytom/vapor/pull/77#discussion_r286744322

* minor

* update

* update

* minor

* format code

* fix

* use genesis config

* update

* update

* clean

* utxo database

* utxo database test

* aha

* wip

* wip

* wip

* claimed

* ???

* init

* foix

* dododod

* fk

* add mainchainOutputIDs

* roll back

* dododo

* update

* revert

* fix

* fix

* fk

* dd

* clean

* roll back

* fix detach

* clean up

* fix https://github.com/Bytom/vapor/pull/91#discussion_r287974764

* fix https://github.com/Bytom/vapor/pull/91#discussion_r287975636

* fix https://github.com/Bytom/vapor/pull/91#discussion_r287976043

* rm path

* fix https://github.com/Bytom/vapor/pull/91#discussion_r287974969

* use type for utxo

* uint32

* add iota

* fix https://github.com/Bytom/vapor/pull/91#discussion_r287980844

* modify build

* modify utxo type

* fix

* fix