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