mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
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19abe81472
* finish the BLS API wrapper * all tests passing * unexported comment * gofmt tests for bls * block processing test into own package to avoid cycle * randao tests pass * blocks test passing * use common deposit generator * helper * resolved import cycle * setup initial * builds * almost done with blockchain tests * fix blockchain tests * getting through with chaintests * revert client change * lint * sync master conflict gazelle * randao test fixes * randao proposer impl * tests pass
43 lines
1.2 KiB
Go
43 lines
1.2 KiB
Go
package forkutils
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import (
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"math"
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pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
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)
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// ForkVersion returns the fork version of the given epoch number.
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//
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// Spec pseudocode definition:
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// def get_fork_version(fork: Fork,
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// epoch: EpochNumber) -> int:
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// """
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// Return the fork version of the given ``epoch``.
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// """
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// if epoch < fork.epoch:
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// return fork.previous_version
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// else:
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// return fork.current_version
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func ForkVersion(fork *pb.Fork, epoch uint64) uint64 {
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if epoch < fork.Epoch {
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return fork.PreviousVersion
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}
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return fork.CurrentVersion
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}
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// DomainVersion returns the domain version for BLS private key to sign and verify.
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//
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// Spec pseudocode definition:
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// def get_domain(fork: Fork,
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// epoch: EpochNumber,
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// domain_type: int) -> int:
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// """
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// Get the domain number that represents the fork meta and signature domain.
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// """
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// fork_version = get_fork_version(fork, epoch)
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// return fork_version * 2**32 + domain_type
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func DomainVersion(fork *pb.Fork, epoch uint64, domainType uint64) uint64 {
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offset := uint64(math.Pow(2, 32))
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return ForkVersion(fork, epoch)*offset + domainType
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}
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