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core_private.go
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core_private.go
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package transaction
// Core
// Private
// Copyright © 2017-2018 Eduard Sesigin. All rights reserved. Contacts: <[email protected]>
import (
"sync/atomic"
)
/*
catch - obtaining a permit for an operation.
If we have an open status, the counter is incremented
and the `true` returns, otherwise the `false` is returned.
*/
func (c *Core) catch() bool {
if atomic.LoadInt64(&c.hasp) == stateOpen {
atomic.AddInt64(&c.counter, 1)
return true
}
return false
}
/*
throw - permission to conduct an operation is no longer required.
Decrement of the counter.
*/
func (c *Core) throw() {
atomic.AddInt64(&c.counter, -1)
}
/*
getAccount - get account by ID and string key.
If a unit with such an ID exists, then the account and code `Ok` is returned.
Returned codes:
ErrCodeUnitNotExist // a unit with such an ID does not exist
Ok
*/
func (c *Core) getAccount(id int64, key string) (*account, errorCodes) {
u := c.storage.getUnit(id)
if u == nil {
return nil, ErrCodeUnitNotExist
}
return u.getAccount(key), Ok
}