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signing.go
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/
signing.go
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package multisig
import (
"context"
"fmt"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/axelarnetwork/axelar-core/x/multisig/types"
"github.com/axelarnetwork/utils/log"
)
// ProcessSigningStarted handles event signing started
func (mgr *Mgr) ProcessSigningStarted(event *types.SigningStarted) error {
pubKey, ok := event.PubKeys[mgr.participant.String()]
if !ok {
return nil
}
keyUID := fmt.Sprintf("%s_%d", event.GetKeyID().String(), 0)
partyUID := mgr.participant.String()
sig, err := mgr.sign(keyUID, event.GetPayloadHash(), pubKey)
if err != nil {
return err
}
log.Infof("operator %s sending signature for signing %d", partyUID, event.GetSigID())
msg := types.NewSubmitSignatureRequest(mgr.ctx.FromAddress, event.GetSigID(), sig)
if _, err := mgr.broadcaster.Broadcast(context.Background(), msg); err != nil {
return sdkerrors.Wrap(err, "handler goroutine: failure to broadcast outgoing submit signature message")
}
return nil
}