cosmos-sdk/server/init.go
Aleksandr Bezobchuk b0190834c3
feat: support custom mnemonics in in-process testing network (#10922)
## Description

In certain cases, it proves to be beneficial to be able to support user provided mnemonics in the in-process testing network. This essentially allows you to know the validator addresses ahead of time in case you need to do any custom genesis logic (e.g. Gravity Bridge delegation keys).

---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [ ] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed 
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)
2022-01-12 11:31:56 +00:00

77 lines
2.0 KiB
Go

package server
import (
"fmt"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/crypto/keyring"
sdk "github.com/cosmos/cosmos-sdk/types"
)
// GenerateCoinKey returns the address of a public key, along with the secret
// phrase to recover the private key.
func GenerateCoinKey(algo keyring.SignatureAlgo, cdc codec.Codec) (sdk.AccAddress, string, error) {
// generate a private key, with recovery phrase
k, secret, err := keyring.NewInMemory(cdc).NewMnemonic("name", keyring.English, sdk.GetConfig().GetFullBIP44Path(), keyring.DefaultBIP39Passphrase, algo)
if err != nil {
return sdk.AccAddress{}, "", err
}
addr, err := k.GetAddress()
if err != nil {
return nil, "", err
}
return addr, secret, nil
}
// GenerateSaveCoinKey returns the address of a public key, along with the secret
// phrase to recover the private key.
func GenerateSaveCoinKey(
keybase keyring.Keyring,
keyName, mnemonic string,
overwrite bool,
algo keyring.SignatureAlgo,
) (sdk.AccAddress, string, error) {
exists := false
_, err := keybase.Key(keyName)
if err == nil {
exists = true
}
// ensure no overwrite
if !overwrite && exists {
return sdk.AccAddress{}, "", fmt.Errorf("key already exists, overwrite is disabled")
}
// remove the old key by name if it exists
if exists {
if err = keybase.Delete(keyName); err != nil {
return sdk.AccAddress{}, "", fmt.Errorf("failed to overwrite key")
}
}
var (
record *keyring.Record
secret string
)
// generate or recover a new account
if mnemonic != "" {
secret = mnemonic
record, err = keybase.NewAccount(keyName, mnemonic, keyring.DefaultBIP39Passphrase, sdk.GetConfig().GetFullBIP44Path(), algo)
} else {
record, secret, err = keybase.NewMnemonic(keyName, keyring.English, sdk.GetConfig().GetFullBIP44Path(), keyring.DefaultBIP39Passphrase, algo)
}
if err != nil {
return sdk.AccAddress{}, "", err
}
addr, err := record.GetAddress()
if err != nil {
return nil, "", err
}
return addr, secret, nil
}