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Merge pull request #63 from spacemeshos/genesisverify
Add `genesis` command
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| package cmd | ||
|
|
||
| import ( | ||
| "crypto/ed25519" | ||
| "encoding/hex" | ||
| "fmt" | ||
| "log" | ||
|
|
||
| "github.com/spacemeshos/economics/constants" | ||
| "github.com/spacemeshos/go-spacemesh/common/types" | ||
| "github.com/spacemeshos/go-spacemesh/genvm/core" | ||
| "github.com/spacemeshos/go-spacemesh/genvm/templates/multisig" | ||
| "github.com/spacemeshos/go-spacemesh/genvm/templates/vault" | ||
| "github.com/spacemeshos/go-spacemesh/genvm/templates/vesting" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
|
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| // genesisCmd represents the wallet command. | ||
| var genesisCmd = &cobra.Command{ | ||
| Use: "genesis", | ||
| Short: "Genesis-related utilities", | ||
| } | ||
|
|
||
| // createCmd represents the create command. | ||
| var verifyCmd = &cobra.Command{ | ||
| Use: "verify", | ||
| Short: "Verify a genesis ledger account", | ||
| Args: cobra.MaximumNArgs(0), | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| var err error | ||
|
|
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| // first, collect the keys | ||
| var keys []core.PublicKey | ||
| fmt.Print("First, let's collect your public keys. Keys must be entered in hex format: 64 characters, without 0x prefix.\n") | ||
| fmt.Print("Enter pubkeys one at a time; press enter again when done: ") | ||
| for { | ||
| var keyStr string | ||
| _, err := fmt.Scanln(&keyStr) | ||
| if err != nil { | ||
| break | ||
| } | ||
| keyBytes, err := hex.DecodeString(keyStr) | ||
| if err != nil || len(keyBytes) != ed25519.PublicKeySize { | ||
| log.Fatalln("Error: key is unreadable") | ||
| } | ||
| key := [ed25519.PublicKeySize]byte{} | ||
| copy(key[:], keyBytes) | ||
| keys = append(keys, key) | ||
| fmt.Printf("[enter next key or just press enter to end] > ") | ||
| } | ||
| if len(keys) == 0 { | ||
| log.Fatalln("Error: must enter at least one key") | ||
| } | ||
|
|
||
| // next collect multisig params | ||
| m := uint8(1) | ||
| if len(keys) > 1 { | ||
| fmt.Printf("Enter number of required signatures (between 1 and %d): ", len(keys)) | ||
| _, err := fmt.Scanln(&m) | ||
| cobra.CheckErr(err) | ||
| } | ||
|
|
||
| // finally, collect amount | ||
| var amount uint64 | ||
| fmt.Printf("Enter vault balance (denominated in SMH): ") | ||
| _, err = fmt.Scanln(&amount) | ||
| cobra.CheckErr(err) | ||
| amount *= constants.OneSmesh | ||
|
|
||
| // calculate keys | ||
| vestingArgs := &multisig.SpawnArguments{ | ||
| Required: m, | ||
| PublicKeys: keys, | ||
| } | ||
| if int(vestingArgs.Required) > len(vestingArgs.PublicKeys) { | ||
| log.Fatalf("requires more signatures (%d) than public keys (%d) in the wallet\n", | ||
| vestingArgs.Required, | ||
| len(vestingArgs.PublicKeys), | ||
| ) | ||
| } | ||
| vestingAddress := core.ComputePrincipal(vesting.TemplateAddress, vestingArgs) | ||
| vaultArgs := &vault.SpawnArguments{ | ||
| Owner: vestingAddress, | ||
| TotalAmount: amount, | ||
| InitialUnlockAmount: amount / 4, | ||
| VestingStart: types.LayerID(constants.VestStart), | ||
| VestingEnd: types.LayerID(constants.VestEnd), | ||
| } | ||
| vaultAddress := core.ComputePrincipal(vault.TemplateAddress, vaultArgs) | ||
|
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| // output addresses | ||
| fmt.Printf("Vesting address: %s\nVault address: %s\n", | ||
| vestingAddress.String(), | ||
| vaultAddress.String()) | ||
| }, | ||
| } | ||
|
|
||
| func init() { | ||
| rootCmd.AddCommand(genesisCmd) | ||
| genesisCmd.AddCommand(verifyCmd) | ||
| } |
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