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messages.go
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messages.go
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package utils
import (
"context"
"fmt"
"time"
"github.com/desmos-labs/juno/client"
"github.com/forbole/bdjuno/database"
"github.com/forbole/bdjuno/types"
"github.com/cosmos/cosmos-sdk/codec"
cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
sdk "github.com/cosmos/cosmos-sdk/types"
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
juno "github.com/desmos-labs/juno/types"
)
// StoreValidatorFromMsgCreateValidator handles properly a MsgCreateValidator instance by
// saving into the database all the data associated to such validator
func StoreValidatorFromMsgCreateValidator(
height int64, msg *stakingtypes.MsgCreateValidator, cdc codec.Marshaler, db *database.Db,
) error {
var pubKey cryptotypes.PubKey
err := cdc.UnpackAny(msg.Pubkey, &pubKey)
if err != nil {
return fmt.Errorf("error while unpacking pub key: %s", err)
}
operatorAddr, err := sdk.ValAddressFromBech32(msg.ValidatorAddress)
if err != nil {
return fmt.Errorf("error while converting validator address from bech32: %s", err)
}
stakingValidator, err := stakingtypes.NewValidator(operatorAddr, pubKey, msg.Description)
if err != nil {
return fmt.Errorf("error while creating validator: %s", err)
}
validator, err := ConvertValidator(cdc, stakingValidator, height)
if err != nil {
return fmt.Errorf("error while converting validator: %s", err)
}
desc, err := ConvertValidatorDescription(msg.ValidatorAddress, msg.Description, height)
if err != nil {
return fmt.Errorf("error while converting validator description: %s", err)
}
// Save the validator
err = db.SaveValidatorsData([]types.Validator{validator})
if err != nil {
return err
}
// Save the description
err = db.SaveValidatorDescription(desc)
if err != nil {
return err
}
// Save the first self-delegation
err = db.SaveDelegations([]types.Delegation{
types.NewDelegation(
msg.DelegatorAddress,
msg.ValidatorAddress,
msg.Value,
height,
),
})
if err != nil {
return err
}
// Save the commission
return db.SaveValidatorCommission(types.NewValidatorCommission(
msg.ValidatorAddress,
&msg.Commission.Rate,
&msg.MinSelfDelegation,
height,
))
}
// StoreDelegationFromMessage handles a MsgDelegate and saves the delegation inside the database
func StoreDelegationFromMessage(
height int64, msg *stakingtypes.MsgDelegate, stakingClient stakingtypes.QueryClient, db *database.Db,
) error {
header := client.GetHeightRequestHeader(height)
res, err := stakingClient.Delegation(
context.Background(),
&stakingtypes.QueryDelegationRequest{
DelegatorAddr: msg.DelegatorAddress,
ValidatorAddr: msg.ValidatorAddress,
},
header,
)
if err != nil {
return fmt.Errorf("error while getting delegation: %s", err)
}
delegation := ConvertDelegationResponse(height, *res.DelegationResponse)
return db.SaveDelegations([]types.Delegation{delegation})
}
// StoreRedelegationFromMessage handles a MsgBeginRedelegate by saving the redelegation inside the database,
// and returns the new redelegation instance
func StoreRedelegationFromMessage(
tx *juno.Tx, index int, msg *stakingtypes.MsgBeginRedelegate, db *database.Db,
) (*types.Redelegation, error) {
event, err := tx.FindEventByType(index, stakingtypes.EventTypeRedelegate)
if err != nil {
return nil, fmt.Errorf("error while searching for EventTypeRedelegate: %s", err)
}
completionTimeStr, err := tx.FindAttributeByKey(event, stakingtypes.AttributeKeyCompletionTime)
if err != nil {
return nil, fmt.Errorf("error while searching for AttributeKeyCompletionTime: %s", err)
}
completionTime, err := time.Parse(time.RFC3339, completionTimeStr)
if err != nil {
return nil, fmt.Errorf("error while covnerting redelegation completion time: %s", err)
}
redelegation := types.NewRedelegation(
msg.DelegatorAddress,
msg.ValidatorSrcAddress,
msg.ValidatorDstAddress,
msg.Amount,
completionTime,
tx.Height,
)
return &redelegation, db.SaveRedelegations([]types.Redelegation{redelegation})
}
// StoreUnbondingDelegationFromMessage handles a MsgUndelegate storing the new unbonding delegation inside the database,
// and returns the new unbonding delegation instance
func StoreUnbondingDelegationFromMessage(
tx *juno.Tx, index int, msg *stakingtypes.MsgUndelegate, db *database.Db,
) (*types.UnbondingDelegation, error) {
event, err := tx.FindEventByType(index, stakingtypes.EventTypeUnbond)
if err != nil {
return nil, fmt.Errorf("error while searching for EventTypeUnbond: %s", err)
}
completionTimeStr, err := tx.FindAttributeByKey(event, stakingtypes.AttributeKeyCompletionTime)
if err != nil {
return nil, fmt.Errorf("error while searching for AttributeKeyCompletionTime: %s", err)
}
completionTime, err := time.Parse(time.RFC3339, completionTimeStr)
if err != nil {
return nil, fmt.Errorf("error while covnerting unbonding delegation completion time: %s", err)
}
delegation := types.NewUnbondingDelegation(
msg.DelegatorAddress,
msg.ValidatorAddress,
msg.Amount,
completionTime,
tx.Height,
)
return &delegation, db.SaveUnbondingDelegations([]types.UnbondingDelegation{delegation})
}