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4b033f4cc7
* Update go to 1.19.3 * Update other items to 1.19 * Update golangci-lint to latest release * Run gofmt -s with go1.19 * Huge gofmt changes Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
31 lines
1.1 KiB
Go
31 lines
1.1 KiB
Go
// Package state_native defines how the beacon chain state for Ethereum
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// functions in the running beacon node, using an advanced,
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// immutable implementation of the state data structure.
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//
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// BeaconState getters may be accessed from inside or outside the package. To
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// avoid duplicating locks, we have internal and external versions of the
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// getter. The external function obtains a read lock, then calls the internal function.
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// The internal function returns the required data without further locking,
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// allowing it to be used by other package-level functions that already hold a lock.
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// Hence the functions look something like this:
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//
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// func (b *BeaconState) Foo() uint64 {
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// // Read lock.
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// b.lock.RLock()
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// defer b.lock.RUnlock()
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//
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// // Internal getter.
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// return b.foo()
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// }
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//
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// func (b *BeaconState) foo() uint64 {
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// (...) // Some processing logic.
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//
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// return b.foo
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// }
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//
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// Although it is technically possible to remove the short-circuit conditions
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// from the external function, that would require every read to obtain a lock
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// even if the data was not present, leading to potential slowdowns.
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package state_native
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