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core: add Blockchain event subscription mechanism

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A deep internal part of #895. Blockchainer interface is also extended for
various uses of these methods.
This commit is contained in:
Roman Khimov 2020-05-12 17:20:41 +03:00
parent ac40d357f0
commit 3ca71d5e8d
5 changed files with 330 additions and 0 deletions
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8
pkg/core/blockchainer/blockchainer.go
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@ -47,6 +47,14 @@ type Blockchainer interface {
References(t *transaction.Transaction) ([]transaction.InOut, error)
mempool.Feer // fee interface
PoolTx(*transaction.Transaction) error
SubscribeForBlocks(ch chan<- *block.Block)
SubscribeForExecutions(ch chan<- *state.AppExecResult)
SubscribeForNotifications(ch chan<- *state.NotificationEvent)
SubscribeForTransactions(ch chan<- *transaction.Transaction)
VerifyTx(*transaction.Transaction, *block.Block) error
GetMemPool() *mempool.Pool
UnsubscribeFromBlocks(ch chan<- *block.Block)
UnsubscribeFromExecutions(ch chan<- *state.AppExecResult)
UnsubscribeFromNotifications(ch chan<- *state.NotificationEvent)
UnsubscribeFromTransactions(ch chan<- *transaction.Transaction)
}