mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-12-26 08:15:19 +00:00
100 lines
2.8 KiB
Go
100 lines
2.8 KiB
Go
package keeper
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import (
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"context"
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"fmt"
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sdkmath "cosmossdk.io/math"
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sdk "github.com/cosmos/cosmos-sdk/types"
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vestingexported "github.com/cosmos/cosmos-sdk/x/auth/vesting/exported"
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stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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"github.com/0glabs/0g-chain/x/liquid/types"
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)
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type queryServer struct {
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keeper Keeper
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}
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// NewQueryServerImpl creates a new server for handling gRPC queries.
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func NewQueryServerImpl(k Keeper) types.QueryServer {
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return &queryServer{keeper: k}
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}
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var _ types.QueryServer = queryServer{}
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func (s queryServer) DelegatedBalance(
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goCtx context.Context,
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req *types.QueryDelegatedBalanceRequest,
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) (*types.QueryDelegatedBalanceResponse, error) {
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ctx := sdk.UnwrapSDKContext(goCtx)
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delegator, err := sdk.AccAddressFromBech32(req.Delegator)
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if err != nil {
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return nil, status.Errorf(codes.InvalidArgument, "invalid delegator address: %s", err)
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}
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delegated := s.getDelegatedBalance(ctx, delegator)
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bondDenom := s.keeper.stakingKeeper.BondDenom(ctx)
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vesting := s.getVesting(ctx, delegator).AmountOf(bondDenom)
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vestingDelegated := sdk.MinInt(vesting, delegated)
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vestedDelegated := delegated.Sub(vestingDelegated)
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res := types.QueryDelegatedBalanceResponse{
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Vested: sdk.NewCoin(bondDenom, vestedDelegated),
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Vesting: sdk.NewCoin(bondDenom, vestingDelegated),
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}
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return &res, nil
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}
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func (s queryServer) TotalSupply(
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goCtx context.Context,
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req *types.QueryTotalSupplyRequest,
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) (*types.QueryTotalSupplyResponse, error) {
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ctx := sdk.UnwrapSDKContext(goCtx)
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totalValue, err := s.keeper.GetTotalDerivativeValue(ctx)
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if err != nil {
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return nil, err
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}
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return &types.QueryTotalSupplyResponse{
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Height: ctx.BlockHeight(),
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Result: []sdk.Coin{totalValue},
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}, nil
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}
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func (s queryServer) getDelegatedBalance(ctx sdk.Context, delegator sdk.AccAddress) sdkmath.Int {
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balance := sdk.ZeroDec()
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s.keeper.stakingKeeper.IterateDelegatorDelegations(ctx, delegator, func(delegation stakingtypes.Delegation) bool {
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validator, found := s.keeper.stakingKeeper.GetValidator(ctx, delegation.GetValidatorAddr())
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if !found {
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panic(fmt.Sprintf("validator %s for delegation not found", delegation.GetValidatorAddr()))
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}
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tokens := validator.TokensFromSharesTruncated(delegation.GetShares())
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balance = balance.Add(tokens)
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return false
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})
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return balance.TruncateInt()
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}
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func (s queryServer) getVesting(ctx sdk.Context, delegator sdk.AccAddress) sdk.Coins {
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acc := s.keeper.accountKeeper.GetAccount(ctx, delegator)
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if acc == nil {
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// account doesn't exist so amount vesting is 0
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return nil
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}
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vestAcc, ok := acc.(vestingexported.VestingAccount)
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if !ok {
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// account is not vesting type, so amount vesting is 0
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return nil
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}
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return vestAcc.GetVestingCoins(ctx.BlockTime())
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}
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