prysm-pulse/validator/rpc/accounts.go
Raul Jordan 0961fef727
Implement Create and List Accounts Validator RPC (#7172)
* impl of accounts RPCs
* create and list accounts impls
* impl create account and list accounts
* tests pass
* imports
* fix test
2020-09-04 00:58:36 +00:00

80 lines
2.6 KiB
Go

package rpc
import (
"context"
"fmt"
ptypes "github.com/gogo/protobuf/types"
"github.com/pkg/errors"
pb "github.com/prysmaticlabs/prysm/proto/validator/accounts/v2"
"github.com/prysmaticlabs/prysm/shared/petnames"
v2keymanager "github.com/prysmaticlabs/prysm/validator/keymanager/v2"
"github.com/prysmaticlabs/prysm/validator/keymanager/v2/derived"
"github.com/prysmaticlabs/prysm/validator/keymanager/v2/direct"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
// CreateAccount allows creation of a new account in a user's wallet via RPC.
func (s *Server) CreateAccount(ctx context.Context, _ *ptypes.Empty) (*pb.CreateAccountResponse, error) {
if !s.walletInitialized {
return nil, status.Error(codes.FailedPrecondition, "Wallet not yet initialized")
}
var pubKey []byte
var err error
switch s.wallet.KeymanagerKind() {
case v2keymanager.Remote:
return nil, status.Error(codes.InvalidArgument, "Cannot create account for remote keymanager")
case v2keymanager.Direct:
km, ok := s.keymanager.(*direct.Keymanager)
if !ok {
return nil, status.Error(codes.InvalidArgument, "Not a direct keymanager")
}
// Create a new validator account using the specified keymanager.
pubKey, err = km.CreateAccount(ctx)
if err != nil {
return nil, errors.Wrap(err, "could not create account in wallet")
}
case v2keymanager.Derived:
km, ok := s.keymanager.(*derived.Keymanager)
if !ok {
return nil, status.Error(codes.InvalidArgument, "Not a derived keymanager")
}
pubKey, err = km.CreateAccount(ctx, false /*logAccountInfo*/)
if err != nil {
return nil, errors.Wrap(err, "could not create account in wallet")
}
}
return &pb.CreateAccountResponse{
Account: &pb.Account{
ValidatingPublicKey: pubKey,
AccountName: petnames.DeterministicName(pubKey, "-"),
},
}, nil
}
// ListAccounts allows retrieval of validating keys and their petnames
// for a user's wallet via RPC.
func (s *Server) ListAccounts(ctx context.Context, req *pb.ListAccountsRequest) (*pb.ListAccountsResponse, error) {
if !s.walletInitialized {
return nil, status.Error(codes.FailedPrecondition, "Wallet not yet initialized")
}
keys, err := s.keymanager.FetchValidatingPublicKeys(ctx)
if err != nil {
return nil, err
}
accounts := make([]*pb.Account, len(keys))
for i := 0; i < len(keys); i++ {
accounts[i] = &pb.Account{
ValidatingPublicKey: keys[i][:],
AccountName: petnames.DeterministicName(keys[i][:], "-"),
}
if s.wallet.KeymanagerKind() == v2keymanager.Derived {
accounts[i].DerivationPath = fmt.Sprintf(derived.ValidatingKeyDerivationPathTemplate, i)
}
}
return &pb.ListAccountsResponse{
Accounts: accounts,
}, nil
}