49 lines
1.3 KiB
Go
49 lines
1.3 KiB
Go
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package processor
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import (
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"context"
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"encoding/hex"
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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/bridge/pkg/supervisor"
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"github.com/certusone/wormhole/bridge/pkg/vaa"
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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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// Check if we're in the guardian set.
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us, ok := p.gs.KeyIndex(p.ourAddr)
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if !ok {
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p.logger.Error("we're not in the guardian set - refusing to sign",
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zap.Uint32("index", p.gs.Index),
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zap.Stringer("our_addr", p.ourAddr),
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zap.Any("set", p.gs.KeysAsHexStrings()))
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return
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}
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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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zap.Int("our_index", us))
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p.broadcastSignature(v, s)
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}
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