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Merge pull request #170 from confio/156-handlers
Add PoE staking query plugin
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| package app | ||
|
|
||
| import ( | ||
| "github.com/CosmWasm/wasmd/x/wasm" | ||
| wasmkeeper "github.com/CosmWasm/wasmd/x/wasm/keeper" | ||
| wasmtypes "github.com/CosmWasm/wasmd/x/wasm/types" | ||
| wasmvmtypes "github.com/CosmWasm/wasmvm/types" | ||
| "github.com/cosmos/cosmos-sdk/codec" | ||
| sdk "github.com/cosmos/cosmos-sdk/types" | ||
| sdkerrors "github.com/cosmos/cosmos-sdk/types/errors" | ||
| govtypes "github.com/cosmos/cosmos-sdk/x/gov/types" | ||
|
|
||
| poewasm "github.com/confio/tgrade/x/poe/wasm" | ||
| twasmkeeper "github.com/confio/tgrade/x/twasm/keeper" | ||
| twasmtypes "github.com/confio/tgrade/x/twasm/types" | ||
| ) | ||
|
|
||
| func SetupWasmHandlers(cdc codec.Marshaler, | ||
| bankKeeper twasmtypes.BankKeeper, | ||
| govRouter govtypes.Router, | ||
| result twasmkeeper.TgradeWasmHandlerKeeper, | ||
| poeKeeper poewasm.ViewKeeper, | ||
| ) []wasmkeeper.Option { | ||
| queryPluginOpt := wasmkeeper.WithQueryPlugins(&wasmkeeper.QueryPlugins{ | ||
| Staking: poewasm.StakingQuerier(poeKeeper), | ||
| }) | ||
|
|
||
| extMessageHandlerOpt := wasmkeeper.WithMessageHandlerDecorator(func(nested wasmkeeper.Messenger) wasmkeeper.Messenger { | ||
| return wasmkeeper.NewMessageHandlerChain( | ||
| // disable staking messages | ||
| wasmkeeper.MessageHandlerFunc(func(ctx sdk.Context, contractAddr sdk.AccAddress, contractIBCPortID string, msg wasmvmtypes.CosmosMsg) (events []sdk.Event, data [][]byte, err error) { | ||
| if msg.Staking != nil { | ||
| return nil, nil, sdkerrors.Wrap(wasmtypes.ErrExecuteFailed, "not supported, yet") | ||
| } | ||
| return nil, nil, wasmtypes.ErrUnknownMsg | ||
| }), | ||
| nested, | ||
| // append our custom message handler | ||
| twasmkeeper.NewTgradeHandler(cdc, result, bankKeeper, govRouter), | ||
| ) | ||
| }) | ||
| return []wasm.Option{ | ||
| queryPluginOpt, | ||
| extMessageHandlerOpt, | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| package wasm | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
|
|
||
| wasmvmtypes "github.com/CosmWasm/wasmvm/types" | ||
| sdk "github.com/cosmos/cosmos-sdk/types" | ||
| sdkerrors "github.com/cosmos/cosmos-sdk/types/errors" | ||
|
|
||
| "github.com/confio/tgrade/x/poe/keeper" | ||
| ) | ||
|
|
||
| type ViewKeeper interface { | ||
| GetBondDenom(ctx sdk.Context) string | ||
| DistributionContract(ctx sdk.Context) keeper.DistributionContract | ||
| ValsetContract(ctx sdk.Context) keeper.ValsetContract | ||
| StakeContract(ctx sdk.Context) keeper.StakeContract | ||
| } | ||
|
|
||
| func StakingQuerier(poeKeeper ViewKeeper) func(ctx sdk.Context, request *wasmvmtypes.StakingQuery) ([]byte, error) { | ||
| return func(ctx sdk.Context, request *wasmvmtypes.StakingQuery) ([]byte, error) { | ||
| if request.BondedDenom != nil { | ||
| denom := poeKeeper.GetBondDenom(ctx) | ||
| res := wasmvmtypes.BondedDenomResponse{ | ||
| Denom: denom, | ||
| } | ||
| return json.Marshal(res) | ||
| } | ||
| zero := sdk.ZeroDec().String() | ||
| if request.AllValidators != nil { | ||
| validators, err := poeKeeper.ValsetContract(ctx).ListValidators(ctx) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| wasmVals := make([]wasmvmtypes.Validator, len(validators)) | ||
| for i, v := range validators { | ||
| wasmVals[i] = wasmvmtypes.Validator{ | ||
| Address: v.OperatorAddress, | ||
| Commission: zero, | ||
| MaxCommission: zero, | ||
| MaxChangeRate: zero, | ||
| } | ||
| } | ||
| res := wasmvmtypes.AllValidatorsResponse{ | ||
| Validators: wasmVals, | ||
| } | ||
| return json.Marshal(res) | ||
| } | ||
| if request.Validator != nil { | ||
| valAddr, err := sdk.AccAddressFromBech32(request.Validator.Address) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| v, err := poeKeeper.ValsetContract(ctx).QueryValidator(ctx, valAddr) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| res := wasmvmtypes.ValidatorResponse{} | ||
| if v != nil { | ||
| res.Validator = &wasmvmtypes.Validator{ | ||
| Address: v.OperatorAddress, | ||
| Commission: zero, | ||
| MaxCommission: zero, | ||
| MaxChangeRate: zero, | ||
| } | ||
| } | ||
| return json.Marshal(res) | ||
| } | ||
| if request.AllDelegations != nil { | ||
| delegator, err := sdk.AccAddressFromBech32(request.AllDelegations.Delegator) | ||
| if err != nil { | ||
| return nil, sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, request.AllDelegations.Delegator) | ||
| } | ||
| stakedAmount, err := poeKeeper.StakeContract(ctx).QueryStakedAmount(ctx, delegator) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| var res wasmvmtypes.AllDelegationsResponse | ||
| if stakedAmount != nil { | ||
| res.Delegations = []wasmvmtypes.Delegation{{ | ||
| Delegator: delegator.String(), | ||
| Validator: delegator.String(), | ||
| Amount: wasmvmtypes.NewCoin(stakedAmount.Uint64(), poeKeeper.GetBondDenom(ctx)), | ||
| }} | ||
| } | ||
| return json.Marshal(res) | ||
| } | ||
| if request.Delegation != nil { | ||
| delegator, err := sdk.AccAddressFromBech32(request.Delegation.Delegator) | ||
| if err != nil { | ||
| return nil, sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, request.Delegation.Delegator) | ||
| } | ||
| validator, err := sdk.AccAddressFromBech32(request.Delegation.Validator) | ||
| if err != nil { | ||
| return nil, sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, request.Delegation.Validator) | ||
| } | ||
|
|
||
| var res wasmvmtypes.DelegationResponse | ||
| if !delegator.Equals(validator) { // no match | ||
| return json.Marshal(res) | ||
| } | ||
| stakeContract := poeKeeper.StakeContract(ctx) | ||
| stakedAmount, err := stakeContract.QueryStakedAmount(ctx, delegator) | ||
| if err != nil { | ||
| return nil, sdkerrors.Wrap(err, "query staked amount") | ||
| } | ||
| reward, err := poeKeeper.DistributionContract(ctx).ValidatorOutstandingReward(ctx, delegator) | ||
| if err != nil { | ||
| return nil, sdkerrors.Wrap(err, "query outstanding reward") | ||
| } | ||
| if stakedAmount == nil { | ||
| zeroInt := sdk.ZeroInt() | ||
| stakedAmount = &zeroInt | ||
| } | ||
| // there can be unclaimed rewards while all stacked amounts were unbound | ||
| if stakedAmount.GT(sdk.ZeroInt()) || reward.Amount.GT(sdk.ZeroInt()) { | ||
| bondDenom := poeKeeper.GetBondDenom(ctx) | ||
| stakedCoin := wasmvmtypes.NewCoin(stakedAmount.Uint64(), bondDenom) | ||
| res.Delegation = &wasmvmtypes.FullDelegation{ | ||
| Delegator: delegator.String(), | ||
| Validator: delegator.String(), | ||
| Amount: stakedCoin, | ||
| CanRedelegate: wasmvmtypes.NewCoin(0, bondDenom), | ||
| AccumulatedRewards: wasmvmtypes.Coins{wasmvmtypes.NewCoin(reward.Amount.Uint64(), reward.Denom)}, | ||
| } | ||
| } | ||
| return json.Marshal(res) | ||
| } | ||
| return nil, wasmvmtypes.UnsupportedRequest{Kind: "unknown Staking variant"} | ||
| } | ||
| } |
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