62 lines
1.8 KiB
Go
62 lines
1.8 KiB
Go
package guardiand
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import (
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"fmt"
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"io/ioutil"
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"log"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/spf13/cobra"
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"google.golang.org/protobuf/encoding/prototext"
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"github.com/certusone/wormhole/bridge/pkg/devnet"
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nodev1 "github.com/certusone/wormhole/bridge/pkg/proto/node/v1"
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)
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var templateNumGuardians *int
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var templateGuardianIndex *int
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func init() {
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templateNumGuardians = AdminClientGuardianSetTemplateCmd.Flags().Int("num", 1, "Number of devnet guardians in example file")
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templateGuardianIndex = AdminClientGuardianSetTemplateCmd.Flags().Int("idx", 0, "Default current guardian set index")
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}
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var AdminClientGuardianSetTemplateCmd = &cobra.Command{
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Use: "guardian-set-update-template",
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Short: "Generate an empty guardian set template at specified path (offline)",
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Run: runGuardianSetTemplate,
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Args: cobra.ExactArgs(1),
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}
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func runGuardianSetTemplate(cmd *cobra.Command, args []string) {
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path := args[0]
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// Use deterministic devnet addresses as examples in the template, such that this doubles as a test fixture.
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guardians := make([]*nodev1.GuardianSetUpdate_Guardian, *templateNumGuardians)
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for i := 0; i < *templateNumGuardians; i++ {
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k := devnet.DeterministicEcdsaKeyByIndex(crypto.S256(), uint64(i))
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guardians[i] = &nodev1.GuardianSetUpdate_Guardian{
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Pubkey: crypto.PubkeyToAddress(k.PublicKey).Hex(),
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Name: fmt.Sprintf("Example validator %d", i),
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}
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}
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m := &nodev1.GuardianSetUpdate{
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CurrentSetIndex: uint32(*templateGuardianIndex),
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// Timestamp is hardcoded to make it reproducible on different devnet nodes.
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// In production, a real UNIX timestamp should be used (see node.proto).
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Timestamp: 1605744545,
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Guardians: guardians,
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}
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b, err := prototext.MarshalOptions{Multiline: true}.Marshal(m)
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if err != nil {
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panic(err)
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}
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err = ioutil.WriteFile(path, b, 0640)
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if err != nil {
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log.Fatal(err)
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}
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}
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