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message.go
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message.go
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package staking
import (
"context"
cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/query"
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
"github.com/pkg/errors"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
grpcClient "github.com/bro-n-bro/spacebox-crawler/client/grpc"
"github.com/bro-n-bro/spacebox-crawler/types"
"github.com/bro-n-bro/spacebox/broker/model"
)
func (m *Module) HandleMessage(ctx context.Context, index int, cosmosMsg sdk.Msg, tx *types.Tx) error {
if len(tx.Logs) == 0 {
return nil
}
switch msg := cosmosMsg.(type) {
case *stakingtypes.MsgCreateValidator:
return m.handleMsgCreateValidator(ctx, tx.Height, tx.TxHash, index, msg)
case *stakingtypes.MsgEditValidator:
return m.handleEditValidator(ctx, tx.Height, tx.TxHash, index, msg)
case *stakingtypes.MsgDelegate:
return m.handleMsgDelegate(ctx, tx, msg, index)
case *stakingtypes.MsgBeginRedelegate:
return m.handleMsgBeginRedelegate(ctx, tx, index, msg)
case *stakingtypes.MsgUndelegate:
return m.handleMsgUndelegate(ctx, tx, index, msg)
case *stakingtypes.MsgCancelUnbondingDelegation:
return m.handleMsgCancelUnbondingDelegation(ctx, tx, index, msg)
}
return nil
}
// handleMsgCreateValidator handles MsgCreateValidator and publishes model.Validator, model.ValidatorDescription,
// model.Account, model.ValidatorInfo and model.Delegation messages to broker.
func (m *Module) handleMsgCreateValidator(
ctx context.Context,
height int64,
hash string,
index int,
msg *stakingtypes.MsgCreateValidator,
) error {
var pubKey cryptotypes.PubKey
if err := m.cdc.UnpackAny(msg.Pubkey, &pubKey); err != nil {
return err
}
operatorAddr, err := sdk.ValAddressFromBech32(msg.ValidatorAddress)
if err != nil {
return err
}
stakingValidator, err := stakingtypes.NewValidator(operatorAddr, pubKey, msg.Description)
if err != nil {
return err
}
validator, err := convertValidator(m.cdc, stakingValidator, height)
if err != nil {
return err
}
commissionRate, err := stakingValidator.Commission.Rate.Float64()
if err != nil {
return err
}
if err = m.broker.PublishCreateValidatorMessage(ctx, model.CreateValidatorMessage{
Height: height,
TxHash: hash,
MsgIndex: int64(index),
DelegatorAddress: msg.DelegatorAddress,
ValidatorAddress: msg.ValidatorAddress,
Description: model.ValidatorMessageDescription{
Moniker: msg.Description.Moniker,
Identity: msg.Description.Identity,
Website: msg.Description.Website,
SecurityContact: msg.Description.SecurityContact,
Details: msg.Description.Details,
},
CommissionRates: commissionRate,
MinSelfDelegation: stakingValidator.GetMinSelfDelegation().Int64(),
Pubkey: pubKey.String(),
}); err != nil {
return err
}
if err = m.broker.PublishValidatorDescription(ctx, model.ValidatorDescription{
OperatorAddress: msg.ValidatorAddress,
Moniker: msg.Description.Moniker,
Identity: msg.Description.Identity,
Website: msg.Description.Website,
SecurityContact: msg.Description.SecurityContact,
Details: msg.Description.Details,
Height: height,
}); err != nil {
return err
}
// TODO: save to mongo?
if err = m.PublishValidatorsData(ctx, []types.StakingValidator{validator}); err != nil {
return err
}
// TODO: save to mongo?
// Save the first self-delegation
if err = m.broker.PublishDelegation(ctx, model.Delegation{
OperatorAddress: msg.ValidatorAddress,
DelegatorAddress: msg.DelegatorAddress,
Height: height,
Coin: m.tbM.MapCoin(types.NewCoinFromSDK(msg.Value)),
}); err != nil {
return err
}
// FIXME: does it needed?
// Save the description
// err = broker.PublishValidatorDescription(desc)
// if err != nil {
// return err
// }
//
// Save the commission
// err = broker.publishValidatorCommission(types.NewValidatorCommission(
// msg.ValidatorAddress,
// &msg.Commission.Rate,
// &msg.MinSelfDelegation,
// height,
// ))
return err
}
// handleMsgBeginRedelegate handles and publishes a MsgBeginRedelegate data to broker.
func (m *Module) handleMsgBeginRedelegate(ctx context.Context, tx *types.Tx, index int,
msg *stakingtypes.MsgBeginRedelegate) error {
// try to find the completion time in event. It does not exist in IBC transactions
completionTime := findCompletionTimeInEventOrZero(tx, index, stakingtypes.EventTypeRedelegate)
var (
redelegationsResp []stakingtypes.RedelegationResponse
nextKey []byte
)
for {
respPb, err := m.client.StakingQueryClient.Redelegations(ctx, &stakingtypes.QueryRedelegationsRequest{
DelegatorAddr: msg.DelegatorAddress,
Pagination: &query.PageRequest{
Key: nextKey,
Limit: 100,
CountTotal: true,
},
})
if err != nil {
s, ok := status.FromError(err)
if !ok {
return err
}
if s.Code() != codes.NotFound {
return err
}
goto Publish
}
// first iteration
if len(nextKey) == 0 {
redelegationsResp = make([]stakingtypes.RedelegationResponse, 0, respPb.Pagination.Total)
}
nextKey = respPb.Pagination.NextKey
redelegationsResp = append(redelegationsResp, respPb.RedelegationResponses...)
if len(respPb.Pagination.NextKey) == 0 {
break
}
}
for _, resp := range redelegationsResp {
for _, entry := range resp.Entries {
if entry.RedelegationEntry.CreationHeight == tx.Height {
completionTime = entry.RedelegationEntry.CompletionTime
continue // we will publish it in the publish section
}
if err := m.broker.PublishRedelegation(ctx, model.Redelegation{
Height: entry.RedelegationEntry.CreationHeight,
DelegatorAddress: resp.Redelegation.DelegatorAddress,
SrcValidatorAddress: resp.Redelegation.ValidatorSrcAddress,
DstValidatorAddress: resp.Redelegation.ValidatorDstAddress,
Coin: m.tbM.MapCoin(types.NewCoin(m.defaultDenom, float64(entry.Balance.BigInt().Int64()))), // nolint: lll
CompletionTime: entry.RedelegationEntry.CompletionTime,
}); err != nil {
return err
}
}
}
Publish:
// TODO: save to mongo?
if err := m.broker.PublishRedelegation(ctx, model.Redelegation{
Height: tx.Height,
DelegatorAddress: msg.DelegatorAddress,
SrcValidatorAddress: msg.ValidatorSrcAddress,
DstValidatorAddress: msg.ValidatorDstAddress,
Coin: m.tbM.MapCoin(types.NewCoinFromSDK(msg.Amount)),
CompletionTime: completionTime,
}); err != nil {
return err
}
if err := m.broker.PublishRedelegationMessage(ctx, model.RedelegationMessage{
Redelegation: model.Redelegation{
Height: tx.Height,
DelegatorAddress: msg.DelegatorAddress,
SrcValidatorAddress: msg.ValidatorSrcAddress,
DstValidatorAddress: msg.ValidatorDstAddress,
Coin: m.tbM.MapCoin(types.NewCoinFromSDK(msg.Amount)),
CompletionTime: completionTime,
},
TxHash: tx.TxHash,
MsgIndex: int64(index),
}); err != nil {
return err
}
// Update the current delegations
if err := m.updateDelegations(ctx, tx.Height, msg.DelegatorAddress, msg.ValidatorSrcAddress); err != nil {
return errors.Wrap(err, "update delegations")
}
// check the delegations for the current validator
return m.updateOrDisableDelegation(ctx, msg.DelegatorAddress, msg.ValidatorDstAddress, tx.Height)
}
// handleMsgUndelegate handles MsgUndelegate and publishes data to broker.
func (m *Module) handleMsgUndelegate(ctx context.Context, tx *types.Tx, index int,
msg *stakingtypes.MsgUndelegate) error {
// try to find the completion time in event. It does not exist in IBC transactions
completionTime := findCompletionTimeInEventOrZero(tx, index, stakingtypes.EventTypeUnbond)
respPb, err := m.client.StakingQueryClient.UnbondingDelegation(ctx, &stakingtypes.QueryUnbondingDelegationRequest{
DelegatorAddr: msg.DelegatorAddress,
ValidatorAddr: msg.ValidatorAddress,
})
if err != nil {
s, ok := status.FromError(err)
if !ok {
return err
}
if s.Code() != codes.NotFound {
return err
}
goto PublishMessage
}
for _, entry := range respPb.Unbond.Entries {
if entry.CreationHeight == tx.Height {
completionTime = entry.CompletionTime
}
if err = m.broker.PublishUnbondingDelegation(ctx, model.UnbondingDelegation{
Height: entry.CreationHeight,
DelegatorAddress: respPb.Unbond.DelegatorAddress,
OperatorAddress: respPb.Unbond.ValidatorAddress,
Coin: m.tbM.MapCoin(types.NewCoin(m.defaultDenom, float64(entry.Balance.BigInt().Int64()))), //nolint:lll
CompletionTime: entry.CompletionTime,
}); err != nil {
return err
}
}
PublishMessage:
if err = m.broker.PublishUnbondingDelegationMessage(ctx, model.UnbondingDelegationMessage{
UnbondingDelegation: model.UnbondingDelegation{
Height: tx.Height,
DelegatorAddress: msg.DelegatorAddress,
OperatorAddress: msg.ValidatorAddress,
Coin: m.tbM.MapCoin(types.NewCoinFromSDK(msg.Amount)),
CompletionTime: completionTime,
},
TxHash: tx.TxHash,
MsgIndex: int64(index),
}); err != nil {
return err
}
// Update the current delegations
return m.updateDelegations(ctx, tx.Height, msg.DelegatorAddress, msg.ValidatorAddress)
}
// handleMsgDelegate handles a MsgDelegate and publish the delegation to broker.
func (m *Module) handleMsgDelegate(ctx context.Context, tx *types.Tx, msg *stakingtypes.MsgDelegate, index int) error {
if err := m.broker.PublishDelegationMessage(ctx, model.DelegationMessage{
Delegation: model.Delegation{
OperatorAddress: msg.ValidatorAddress,
DelegatorAddress: msg.DelegatorAddress,
Coin: m.tbM.MapCoin(types.NewCoinFromSDK(msg.Amount)),
Height: tx.Height,
},
TxHash: tx.TxHash,
MsgIndex: int64(index),
}); err != nil {
return err
}
if err := m.updateOrDisableDelegation(ctx, msg.DelegatorAddress, msg.ValidatorAddress, tx.Height); err != nil {
return errors.Wrap(err, "update or disable delegation")
}
return nil
}
// handleEditValidator handles MsgEditValidator and publishes model.ValidatorDescription to broker.
func (m *Module) handleEditValidator(
ctx context.Context,
height int64,
hash string,
index int,
msg *stakingtypes.MsgEditValidator,
) error {
if err := m.broker.PublishEditValidatorMessage(ctx, model.EditValidatorMessage{
Height: height,
Hash: hash,
Index: int64(index),
Description: model.ValidatorMessageDescription{
Moniker: msg.Description.Moniker,
Identity: msg.Description.Identity,
Website: msg.Description.Website,
SecurityContact: msg.Description.SecurityContact,
Details: msg.Description.Details,
},
}); err != nil {
return err
}
if err := m.broker.PublishValidatorDescription(ctx, model.ValidatorDescription{
OperatorAddress: msg.ValidatorAddress,
Moniker: msg.Description.Moniker,
Identity: msg.Description.Identity,
Website: msg.Description.Website,
SecurityContact: msg.Description.SecurityContact,
Details: msg.Description.Details,
Height: height,
}); err != nil {
return err
}
return nil
}
// updateDelegations updates the delegations of the given delegator by querying them at the
// required height, and then publishes them to the broker by replacing all existing ones.
//
// also checks the delegation with the current validator address,
// and publishes disabled delegation to the broker if it doesn't exist.
func (m *Module) updateDelegations(ctx context.Context, height int64, delegator, validator string) error {
// Get the delegations
respPb, err := m.client.StakingQueryClient.DelegatorDelegations(
ctx,
&stakingtypes.QueryDelegatorDelegationsRequest{
DelegatorAddr: delegator,
},
)
if err != nil {
return err
}
var delegationWithCurValidatorExists bool
for _, delegation := range respPb.DelegationResponses {
if delegation.Delegation.ValidatorAddress == validator {
delegationWithCurValidatorExists = true
}
if err = m.broker.PublishDelegation(ctx, model.Delegation{
OperatorAddress: delegation.Delegation.ValidatorAddress,
DelegatorAddress: delegation.Delegation.DelegatorAddress,
Height: height,
Coin: m.tbM.MapCoin(types.NewCoinFromSDK(delegation.Balance)),
}); err != nil {
return err
}
}
if !delegationWithCurValidatorExists {
if err = m.updateOrDisableDelegation(ctx, delegator, validator, height); err != nil {
return errors.Wrap(err, "disable delegation")
}
}
return nil
}
// updateOrDisableDelegation checks the delegation with the given validator address
// if it exists, publishes updated delegation to the broker, otherwise publishes disabled delegation.
func (m *Module) updateOrDisableDelegation(ctx context.Context, delegatorAddr, operatorAddr string, height int64) error {
respPb, err := m.client.StakingQueryClient.Delegation(ctx,
&stakingtypes.QueryDelegationRequest{
DelegatorAddr: delegatorAddr,
ValidatorAddr: operatorAddr,
},
grpcClient.GetHeightRequestHeader(height),
)
if err != nil {
s, ok := status.FromError(err)
if !ok || s.Code() != codes.NotFound {
return err
}
return m.broker.PublishDisabledDelegation(ctx, model.Delegation{
OperatorAddress: operatorAddr,
DelegatorAddress: delegatorAddr,
Coin: model.Coin{}, // zero coin
Height: height,
})
}
if err = m.broker.PublishDelegation(ctx, model.Delegation{
OperatorAddress: operatorAddr,
DelegatorAddress: delegatorAddr,
Height: height,
Coin: m.tbM.MapCoin(types.NewCoinFromSDK(respPb.DelegationResponse.Balance)),
}); err != nil {
return err
}
return nil
}
// handleMsgCancelUnbondingDelegation handles MsgCancelUnbondingDelegation
// and publishes model.CancelUnbondingDelegationMessage to broker.
func (m *Module) handleMsgCancelUnbondingDelegation(
ctx context.Context,
tx *types.Tx,
index int,
msg *stakingtypes.MsgCancelUnbondingDelegation,
) error {
return m.broker.PublishCancelUnbondingDelegationMessage(ctx, model.CancelUnbondingDelegationMessage{
Height: tx.Height,
TxHash: tx.TxHash,
MsgIndex: int64(index),
ValidatorAddress: msg.ValidatorAddress,
DelegatorAddress: msg.DelegatorAddress,
})
}