/
grpc_query.go
155 lines (121 loc) · 4.46 KB
/
grpc_query.go
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package keeper
import (
"context"
"errors"
"strings"
"github.com/cosmos/cosmos-sdk/store/prefix"
"github.com/cosmos/cosmos-sdk/types/query"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
codectypes "github.com/cosmos/cosmos-sdk/codec/types"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/auth/types"
)
var _ types.QueryServer = AccountKeeper{}
func (ak AccountKeeper) Accounts(c context.Context, req *types.QueryAccountsRequest) (*types.QueryAccountsResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(c)
store := ctx.KVStore(ak.key)
accountsStore := prefix.NewStore(store, types.AddressStoreKeyPrefix)
var accounts []*codectypes.Any
pageRes, err := query.Paginate(accountsStore, req.Pagination, func(key, value []byte) error {
account := ak.decodeAccount(value)
any, err := codectypes.NewAnyWithValue(account)
if err != nil {
return err
}
accounts = append(accounts, any)
return nil
})
if err != nil {
return nil, status.Errorf(codes.Internal, "paginate: %v", err)
}
return &types.QueryAccountsResponse{Accounts: accounts, Pagination: pageRes}, err
}
// Account returns account details based on address
func (ak AccountKeeper) Account(c context.Context, req *types.QueryAccountRequest) (*types.QueryAccountResponse, error) {
if req == nil {
return nil, status.Errorf(codes.InvalidArgument, "empty request")
}
if req.Address == "" {
return nil, status.Error(codes.InvalidArgument, "Address cannot be empty")
}
ctx := sdk.UnwrapSDKContext(c)
addr, err := sdk.AccAddressFromBech32(req.Address)
if err != nil {
return nil, err
}
account := ak.GetAccount(ctx, addr)
if account == nil {
return nil, status.Errorf(codes.NotFound, "account %s not found", req.Address)
}
any, err := codectypes.NewAnyWithValue(account)
if err != nil {
return nil, status.Errorf(codes.Internal, err.Error())
}
return &types.QueryAccountResponse{Account: any}, nil
}
// Params returns parameters of auth module
func (ak AccountKeeper) Params(c context.Context, req *types.QueryParamsRequest) (*types.QueryParamsResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(c)
params := ak.GetParams(ctx)
return &types.QueryParamsResponse{Params: params}, nil
}
// ModuleAccounts returns all the existing Module Accounts
func (ak AccountKeeper) ModuleAccounts(c context.Context, req *types.QueryModuleAccountsRequest) (*types.QueryModuleAccountsResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(c)
modAccounts := make([]*codectypes.Any, 0, len(ak.permAddrs))
for moduleName := range ak.permAddrs {
account := ak.GetModuleAccount(ctx, moduleName)
if account == nil {
return nil, status.Errorf(codes.NotFound, "account %s not found", moduleName)
}
any, err := codectypes.NewAnyWithValue(account)
if err != nil {
return nil, status.Errorf(codes.Internal, err.Error())
}
modAccounts = append(modAccounts, any)
}
return &types.QueryModuleAccountsResponse{Accounts: modAccounts}, nil
}
func (ak AccountKeeper) Bech32Prefix(ctx context.Context, req *types.Bech32PrefixRequest) (*types.Bech32PrefixResponse, error) {
bech32Prefix, err := ak.GetBech32Prefix()
if err != nil {
return nil, err
}
return &types.Bech32PrefixResponse{Bech32Prefix: bech32Prefix}, nil
}
func (ak AccountKeeper) AddressBytesToString(ctx context.Context, req *types.AddressBytesToStringRequest) (*types.AddressBytesToStringResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if len(req.AddressBytes) == 0 {
return nil, errors.New("empty address bytes is not allowed")
}
text, err := ak.addressCdC.BytesToString(req.AddressBytes)
if err != nil {
return nil, err
}
return &types.AddressBytesToStringResponse{AddressString: text}, nil
}
func (ak AccountKeeper) AddressStringToBytes(ctx context.Context, req *types.AddressStringToBytesRequest) (*types.AddressStringToBytesResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if len(strings.TrimSpace(req.AddressString)) == 0 {
return nil, errors.New("empty address string is not allowed")
}
bz, err := ak.addressCdC.StringToBytes(req.AddressString)
if err != nil {
return nil, err
}
return &types.AddressStringToBytesResponse{AddressBytes: bz}, nil
}