mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-25 21:07:18 +00:00
44edbd4fbc
* create wait for activation stream * wait for activation server stream open * complete server side logic * formatting * first test passing * context closed test * lint * fix build failure * imports * implemented wait for activation on client side * all tests pass for validator client * weird spacing
82 lines
2.4 KiB
Go
82 lines
2.4 KiB
Go
package client
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import (
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"context"
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pb "github.com/prysmaticlabs/prysm/proto/beacon/rpc/v1"
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"github.com/prysmaticlabs/prysm/shared/params"
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"github.com/sirupsen/logrus"
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"go.opencensus.io/trace"
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)
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// Validator interface defines the primary methods of a validator client.
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type Validator interface {
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Done()
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WaitForChainStart(ctx context.Context) error
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WaitForActivation(ctx context.Context) error
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NextSlot() <-chan uint64
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UpdateAssignments(ctx context.Context, slot uint64) error
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RoleAt(slot uint64) pb.ValidatorRole
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AttestToBlockHead(ctx context.Context, slot uint64)
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ProposeBlock(ctx context.Context, slot uint64)
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}
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// Run the main validator routine. This routine exits if the context is
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// cancelled.
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//
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// Order of operations:
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// 1 - Initialize validator data
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// 2 - Wait for validator activation
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// 3 - Wait for the next slot start
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// 4 - Update assignments
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// 5 - Determine role at current slot
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// 6 - Perform assigned role, if any
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func run(ctx context.Context, v Validator) {
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defer v.Done()
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if err := v.WaitForChainStart(ctx); err != nil {
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log.Fatalf("Could not determine if beacon chain started: %v", err)
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}
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if err := v.WaitForActivation(ctx); err != nil {
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log.Fatalf("Could not wait for validator activation: %v", err)
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}
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if err := v.UpdateAssignments(ctx, params.BeaconConfig().GenesisSlot); err != nil {
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log.WithField("error", err).Error("Failed to update assignments")
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}
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for {
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ctx, span := trace.StartSpan(ctx, "processSlot")
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defer span.End()
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select {
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case <-ctx.Done():
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log.Info("Context cancelled, stopping validator")
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return // Exit if context is cancelled.
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case slot := <-v.NextSlot():
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span.AddAttributes(trace.Int64Attribute("slot", int64(slot)))
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if err := v.UpdateAssignments(ctx, slot); err != nil {
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log.WithField("error", err).Error("Failed to update assignments")
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continue
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}
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role := v.RoleAt(slot)
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switch role {
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case pb.ValidatorRole_BOTH:
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v.ProposeBlock(ctx, slot)
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v.AttestToBlockHead(ctx, slot)
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case pb.ValidatorRole_ATTESTER:
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v.AttestToBlockHead(ctx, slot)
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case pb.ValidatorRole_PROPOSER:
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v.ProposeBlock(ctx, slot)
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case pb.ValidatorRole_UNKNOWN:
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// This shouldn't happen normally, so it is considered a warning.
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log.WithFields(logrus.Fields{
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"slot": slot - params.BeaconConfig().GenesisSlot,
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"role": role,
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}).Info("Unknown role, doing nothing")
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default:
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// Do nothing :)
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}
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}
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}
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}
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