/
msg_server.go
166 lines (133 loc) · 4.92 KB
/
msg_server.go
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package keeper
import (
"context"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
"github.com/warmage-sports/warmage/x/oracle/types"
)
type msgServer struct {
Keeper
}
// NewMsgServerImpl returns an implementation of the MsgServer interface
// for the provided Keeper.
func NewMsgServerImpl(keeper Keeper) types.MsgServer {
return &msgServer{Keeper: keeper}
}
var _ types.MsgServer = msgServer{}
func (m msgServer) AggregateExchangeRatePrevote(c context.Context, msg *types.MsgAggregateExchangeRatePrevote) (*types.MsgAggregateExchangeRatePrevoteResponse, error) {
ctx := sdk.UnwrapSDKContext(c)
valAddr, err := sdk.ValAddressFromBech32(msg.Validator)
if err != nil {
return nil, err
}
feederAddr, err := sdk.AccAddressFromBech32(msg.Feeder)
if err != nil {
return nil, err
}
if err := m.ValidateFeeder(ctx, feederAddr, valAddr); err != nil {
return nil, err
}
voteHash, err := types.AggregateVoteHashFromHexString(msg.Hash)
if err != nil {
return nil, sdkerrors.Wrap(types.ErrInvalidHash, err.Error())
}
aggregatePrevote := types.NewAggregateExchangeRatePrevote(voteHash, valAddr, uint64(ctx.BlockHeight()))
m.SetAggregateExchangeRatePrevote(ctx, valAddr, aggregatePrevote)
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
types.EventTypeAggregatePrevote,
sdk.NewAttribute(types.AttributeKeyVoter, msg.Validator),
),
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Feeder),
),
})
return &types.MsgAggregateExchangeRatePrevoteResponse{}, nil
}
func (m msgServer) AggregateExchangeRateVote(c context.Context, msg *types.MsgAggregateExchangeRateVote) (*types.MsgAggregateExchangeRateVoteResponse, error) {
ctx := sdk.UnwrapSDKContext(c)
valAddr, err := sdk.ValAddressFromBech32(msg.Validator)
if err != nil {
return nil, err
}
feederAddr, err := sdk.AccAddressFromBech32(msg.Feeder)
if err != nil {
return nil, err
}
if err := m.ValidateFeeder(ctx, feederAddr, valAddr); err != nil {
return nil, err
}
params := m.GetParams(ctx)
aggregatePrevote, err := m.GetAggregateExchangeRatePrevote(ctx, valAddr)
if err != nil {
return nil, sdkerrors.Wrap(types.ErrNoAggregatePrevote, msg.Validator)
}
// Check whether the msg is submitted in proper period
if (uint64(ctx.BlockHeight())/params.VotePeriod)-(aggregatePrevote.SubmitBlock/params.VotePeriod) != 1 {
return nil, types.ErrRevealPeriodMissMatch
}
exchangeRateTuples, err := types.ParseExchangeRateTuples(msg.ExchangeRates)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrInvalidCoins, err.Error())
}
// Check all denoms are in the vote targets
for _, tuple := range exchangeRateTuples {
if !m.IsVoteTarget(ctx, tuple.Denom) {
return nil, sdkerrors.Wrap(types.ErrUnknownDenom, tuple.Denom)
}
}
// Verify the exchange rate with aggregate prevote hash
hash := types.GetAggregateVoteHash(msg.Salt, msg.ExchangeRates, valAddr)
if aggregatePrevote.Hash != hash.String() {
return nil, sdkerrors.Wrapf(types.ErrVerificationFailed, "must be given %s not %s", aggregatePrevote.Hash, hash)
}
// Move aggregate prevote to aggregate vote with given exchange rates
m.SetAggregateExchangeRateVote(ctx, valAddr, types.NewAggregateExchangeRateVote(exchangeRateTuples, valAddr))
m.DeleteAggregateExchangeRatePrevote(ctx, valAddr)
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
types.EventTypeAggregateVote,
sdk.NewAttribute(types.AttributeKeyVoter, msg.Validator),
sdk.NewAttribute(types.AttributeKeyExchangeRates, msg.ExchangeRates),
),
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Feeder),
),
})
return &types.MsgAggregateExchangeRateVoteResponse{}, nil
}
func (m msgServer) DelegateFeedConsent(c context.Context, msg *types.MsgDelegateFeedConsent) (*types.MsgDelegateFeedConsentResponse, error) {
ctx := sdk.UnwrapSDKContext(c)
operatorAddr, err := sdk.ValAddressFromBech32(msg.Operator)
if err != nil {
return nil, err
}
delegateAddr, err := sdk.AccAddressFromBech32(msg.Delegate)
if err != nil {
return nil, err
}
// Check the delegator is a validator
val := m.stakingKeeper.Validator(ctx, operatorAddr)
if val == nil {
return nil, sdkerrors.Wrap(stakingtypes.ErrNoValidatorFound, msg.Operator)
}
// Set the delegation
m.SetFeederDelegation(ctx, operatorAddr, delegateAddr)
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
types.EventTypeFeedDelegate,
sdk.NewAttribute(types.AttributeKeyFeeder, msg.Delegate),
),
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Operator),
),
})
return &types.MsgDelegateFeedConsentResponse{}, nil
}