/
querier.go
235 lines (187 loc) · 7.53 KB
/
querier.go
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package staking
import (
"fmt"
"math/big"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
jsoniter "github.com/json-iterator/go"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/maticnetwork/heimdall/helper"
"github.com/maticnetwork/heimdall/staking/types"
hmTypes "github.com/maticnetwork/heimdall/types"
)
// NewQuerier returns querier for staking Rest endpoints
func NewQuerier(keeper Keeper, contractCaller helper.IContractCaller) sdk.Querier {
return func(ctx sdk.Context, path []string, req abci.RequestQuery) ([]byte, sdk.Error) {
switch path[0] {
case types.QueryCurrentValidatorSet:
return handleQueryCurrentValidatorSet(ctx, req, keeper)
case types.QuerySigner:
return handleQuerySigner(ctx, req, keeper)
case types.QueryValidator:
return handleQueryValidator(ctx, req, keeper)
case types.QueryValidatorStatus:
return handleQueryValidatorStatus(ctx, req, keeper)
case types.QueryProposer:
return handleQueryProposer(ctx, req, keeper)
case types.QueryCurrentProposer:
return handleQueryCurrentProposer(ctx, req, keeper)
case types.QueryStakingSequence:
return handleQueryStakingSequence(ctx, req, keeper, contractCaller)
case types.QueryTotalValidatorPower:
return handleQueryTotalValidatorPower(ctx, req, keeper)
case types.QueryMilestoneProposer:
return handleQueryMilestoneProposer(ctx, req, keeper)
default:
return nil, sdk.ErrUnknownRequest("unknown staking query endpoint")
}
}
}
func handleQueryTotalValidatorPower(ctx sdk.Context, _ abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) {
bz, err := jsoniter.ConfigFastest.Marshal(keeper.GetTotalPower(ctx))
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not marshal result to JSON", err.Error()))
}
return bz, nil
}
func handleQueryCurrentValidatorSet(ctx sdk.Context, _ abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) {
// get validator set
validatorSet := keeper.GetValidatorSet(ctx)
// json record
bz, err := jsoniter.ConfigFastest.Marshal(validatorSet)
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not marshal result to JSON", err.Error()))
}
return bz, nil
}
func handleQuerySigner(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) {
var params types.QuerySignerParams
if err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
return nil, sdk.ErrInternal(fmt.Sprintf("failed to parse params: %s", err))
}
// get validator info
validator, err := keeper.GetValidatorInfo(ctx, params.SignerAddress)
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("Error while getting validator by signer", err.Error()))
}
// json record
bz, err := jsoniter.ConfigFastest.Marshal(validator)
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not marshal result to JSON", err.Error()))
}
return bz, nil
}
func handleQueryValidator(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) {
var params types.QueryValidatorParams
if err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
return nil, sdk.ErrInternal(fmt.Sprintf("failed to parse params: %s", err))
}
// get validator info
validator, ok := keeper.GetValidatorFromValID(ctx, params.ValidatorID)
if !ok {
return nil, sdk.ErrUnknownRequest("No validator found")
}
// json record
bz, err := jsoniter.ConfigFastest.Marshal(validator)
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not marshal result to JSON", err.Error()))
}
return bz, nil
}
func handleQueryValidatorStatus(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) {
var params types.QuerySignerParams
if err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
return nil, sdk.ErrInternal(fmt.Sprintf("failed to parse params: %s", err))
}
// get validator status by signer address
status := keeper.IsCurrentValidatorByAddress(ctx, params.SignerAddress)
// json record
bz, err := jsoniter.ConfigFastest.Marshal(status)
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not marshal result to JSON", err.Error()))
}
return bz, nil
}
func handleQueryProposer(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) {
var params types.QueryProposerParams
if err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
return nil, sdk.ErrInternal(fmt.Sprintf("failed to parse params: %s", err))
}
// get validator set
validatorSet := keeper.GetValidatorSet(ctx)
times := int(params.Times)
if times > len(validatorSet.Validators) {
times = len(validatorSet.Validators)
}
// init proposers
proposers := make([]hmTypes.Validator, times)
// get proposers
for index := 0; index < times; index++ {
proposers[index] = *(validatorSet.GetProposer())
validatorSet.IncrementProposerPriority(1)
}
// json record
bz, err := jsoniter.ConfigFastest.Marshal(proposers)
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not marshal result to JSON", err.Error()))
}
return bz, nil
}
func handleQueryMilestoneProposer(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) {
var params types.QueryProposerParams
if err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
return nil, sdk.ErrInternal(fmt.Sprintf("failed to parse params: %s", err))
}
// get validator set
validatorSet := keeper.GetMilestoneValidatorSet(ctx)
times := int(params.Times)
if times > len(validatorSet.Validators) {
times = len(validatorSet.Validators)
}
// init proposers
proposers := make([]hmTypes.Validator, times)
// get proposers
for index := 0; index < times; index++ {
proposers[index] = *(validatorSet.GetProposer())
validatorSet.IncrementProposerPriority(1)
}
// json record
bz, err := jsoniter.ConfigFastest.Marshal(proposers)
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not marshal result to JSON", err.Error()))
}
return bz, nil
}
func handleQueryCurrentProposer(ctx sdk.Context, _ abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) {
proposer := keeper.GetCurrentProposer(ctx)
bz, err := jsoniter.ConfigFastest.Marshal(proposer)
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not marshal result to JSON", err.Error()))
}
return bz, nil
}
func handleQueryStakingSequence(ctx sdk.Context, req abci.RequestQuery, keeper Keeper, contractCallerObj helper.IContractCaller) ([]byte, sdk.Error) {
var params types.QueryStakingSequenceParams
if err := types.ModuleCdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
return nil, sdk.ErrInternal(fmt.Sprintf("failed to parse params: %s", err))
}
chainParams := keeper.chainKeeper.GetParams(ctx)
// get main tx receipt
receipt, err := contractCallerObj.GetConfirmedTxReceipt(hmTypes.HexToHeimdallHash(params.TxHash).EthHash(), chainParams.MainchainTxConfirmations)
if err != nil || receipt == nil {
return nil, sdk.ErrInternal("Transaction is not confirmed yet. Please wait for sometime and try again")
}
// sequence id
sequence := new(big.Int).Mul(receipt.BlockNumber, big.NewInt(hmTypes.DefaultLogIndexUnit))
sequence.Add(sequence, new(big.Int).SetUint64(params.LogIndex))
// check if incoming tx already exists
if !keeper.HasStakingSequence(ctx, sequence.String()) {
keeper.Logger(ctx).Warn("No staking sequence exist: %s %s", params.TxHash, params.LogIndex)
return nil, nil
}
bz, err := codec.MarshalJSONIndent(types.ModuleCdc, sequence)
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not marshal result to JSON", err.Error()))
}
return bz, nil
}