49 lines
1.3 KiB
Go
49 lines
1.3 KiB
Go
package processor
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import (
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"context"
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"encoding/hex"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promauto"
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"github.com/ethereum/go-ethereum/crypto"
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"go.uber.org/zap"
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"github.com/certusone/wormhole/node/pkg/supervisor"
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"github.com/certusone/wormhole/node/pkg/vaa"
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)
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var (
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vaaInjectionsTotal = promauto.NewCounter(
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prometheus.CounterOpts{
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Name: "wormhole_vaa_injections_total",
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Help: "Total number of injected VAA queued for broadcast",
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})
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)
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// handleInjection processes a pre-populated VAA injected locally.
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func (p *Processor) handleInjection(ctx context.Context, v *vaa.VAA) {
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// Generate digest of the unsigned VAA.
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digest, err := v.SigningMsg()
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if err != nil {
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panic(err)
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}
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// The internal originator is responsible for logging the full VAA, just log the digest here.
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supervisor.Logger(ctx).Info("signing injected VAA",
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zap.Stringer("digest", digest))
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// Sign the digest using our node's guardian key.
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s, err := crypto.Sign(digest.Bytes(), p.gk)
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if err != nil {
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panic(err)
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}
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p.logger.Info("observed and signed injected VAA",
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zap.String("digest", hex.EncodeToString(digest.Bytes())),
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zap.String("signature", hex.EncodeToString(s)))
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vaaInjectionsTotal.Inc()
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p.broadcastSignature(v, s)
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}
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