/
msg_server_register_host_zone.go
205 lines (184 loc) · 8.49 KB
/
msg_server_register_host_zone.go
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package keeper
import (
"context"
"fmt"
sdkmath "cosmossdk.io/math"
icatypes "github.com/cosmos/ibc-go/v5/modules/apps/27-interchain-accounts/types"
"github.com/Stride-Labs/stride/v9/utils"
epochtypes "github.com/Stride-Labs/stride/v9/x/epochs/types"
recordstypes "github.com/Stride-Labs/stride/v9/x/records/types"
"github.com/Stride-Labs/stride/v9/x/stakeibc/types"
errorsmod "cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
)
func (k msgServer) RegisterHostZone(goCtx context.Context, msg *types.MsgRegisterHostZone) (*types.MsgRegisterHostZoneResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
// Get ConnectionEnd (for counterparty connection)
connectionEnd, found := k.IBCKeeper.ConnectionKeeper.GetConnection(ctx, msg.ConnectionId)
if !found {
errMsg := fmt.Sprintf("invalid connection id, %s not found", msg.ConnectionId)
k.Logger(ctx).Error(errMsg)
return nil, errorsmod.Wrapf(types.ErrFailedToRegisterHostZone, errMsg)
}
counterpartyConnection := connectionEnd.Counterparty
// Get chain id from connection
chainId, err := k.GetChainID(ctx, msg.ConnectionId)
if err != nil {
errMsg := fmt.Sprintf("unable to obtain chain id from connection %s, err: %s", msg.ConnectionId, err.Error())
k.Logger(ctx).Error(errMsg)
return nil, errorsmod.Wrapf(types.ErrFailedToRegisterHostZone, errMsg)
}
// get zone
_, found = k.GetHostZone(ctx, chainId)
if found {
errMsg := fmt.Sprintf("invalid chain id, zone for %s already registered", chainId)
k.Logger(ctx).Error(errMsg)
return nil, errorsmod.Wrapf(types.ErrFailedToRegisterHostZone, errMsg)
}
// check the denom is not already registered
hostZones := k.GetAllHostZone(ctx)
for _, hostZone := range hostZones {
if hostZone.HostDenom == msg.HostDenom {
errMsg := fmt.Sprintf("host denom %s already registered", msg.HostDenom)
k.Logger(ctx).Error(errMsg)
return nil, errorsmod.Wrapf(types.ErrFailedToRegisterHostZone, errMsg)
}
if hostZone.ConnectionId == msg.ConnectionId {
errMsg := fmt.Sprintf("connectionId %s already registered", msg.ConnectionId)
k.Logger(ctx).Error(errMsg)
return nil, errorsmod.Wrapf(types.ErrFailedToRegisterHostZone, errMsg)
}
if hostZone.TransferChannelId == msg.TransferChannelId {
errMsg := fmt.Sprintf("transfer channel %s already registered", msg.TransferChannelId)
k.Logger(ctx).Error(errMsg)
return nil, errorsmod.Wrapf(types.ErrFailedToRegisterHostZone, errMsg)
}
if hostZone.Bech32Prefix == msg.Bech32Prefix {
errMsg := fmt.Sprintf("bech32prefix %s already registered", msg.Bech32Prefix)
k.Logger(ctx).Error(errMsg)
return nil, errorsmod.Wrapf(types.ErrFailedToRegisterHostZone, errMsg)
}
}
// create and save the zones's module account
zoneAddress := types.NewZoneAddress(chainId)
if err := utils.CreateModuleAccount(ctx, k.accountKeeper, zoneAddress); err != nil {
return nil, errorsmod.Wrapf(err, "unable to create module account for host zone %s", chainId)
}
params := k.GetParams(ctx)
if msg.MinRedemptionRate.IsNil() || msg.MinRedemptionRate.IsZero() {
msg.MinRedemptionRate = sdk.NewDecWithPrec(int64(params.DefaultMinRedemptionRateThreshold), 2)
}
if msg.MaxRedemptionRate.IsNil() || msg.MaxRedemptionRate.IsZero() {
msg.MaxRedemptionRate = sdk.NewDecWithPrec(int64(params.DefaultMaxRedemptionRateThreshold), 2)
}
// set the zone
zone := types.HostZone{
ChainId: chainId,
ConnectionId: msg.ConnectionId,
Bech32Prefix: msg.Bech32Prefix,
IbcDenom: msg.IbcDenom,
HostDenom: msg.HostDenom,
TransferChannelId: msg.TransferChannelId,
// Start exchange rate at 1 upon registration
RedemptionRate: sdk.NewDec(1),
LastRedemptionRate: sdk.NewDec(1),
UnbondingFrequency: msg.UnbondingFrequency,
Address: zoneAddress.String(),
MinRedemptionRate: msg.MinRedemptionRate,
MaxRedemptionRate: msg.MaxRedemptionRate,
}
// write the zone back to the store
k.SetHostZone(ctx, zone)
appVersion := string(icatypes.ModuleCdc.MustMarshalJSON(&icatypes.Metadata{
Version: icatypes.Version,
ControllerConnectionId: zone.ConnectionId,
HostConnectionId: counterpartyConnection.ConnectionId,
Encoding: icatypes.EncodingProtobuf,
TxType: icatypes.TxTypeSDKMultiMsg,
}))
// generate delegate account
// NOTE: in the future, if we implement proxy governance, we'll need many more delegate accounts
delegateAccount := types.FormatICAAccountOwner(chainId, types.ICAAccountType_DELEGATION)
if err := k.ICAControllerKeeper.RegisterInterchainAccount(ctx, zone.ConnectionId, delegateAccount, appVersion); err != nil {
errMsg := fmt.Sprintf("unable to register delegation account, err: %s", err.Error())
k.Logger(ctx).Error(errMsg)
return nil, errorsmod.Wrapf(types.ErrFailedToRegisterHostZone, errMsg)
}
// generate fee account
feeAccount := types.FormatICAAccountOwner(chainId, types.ICAAccountType_FEE)
if err := k.ICAControllerKeeper.RegisterInterchainAccount(ctx, zone.ConnectionId, feeAccount, appVersion); err != nil {
errMsg := fmt.Sprintf("unable to register fee account, err: %s", err.Error())
k.Logger(ctx).Error(errMsg)
return nil, errorsmod.Wrapf(types.ErrFailedToRegisterHostZone, errMsg)
}
// generate withdrawal account
withdrawalAccount := types.FormatICAAccountOwner(chainId, types.ICAAccountType_WITHDRAWAL)
if err := k.ICAControllerKeeper.RegisterInterchainAccount(ctx, zone.ConnectionId, withdrawalAccount, appVersion); err != nil {
errMsg := fmt.Sprintf("unable to register withdrawal account, err: %s", err.Error())
k.Logger(ctx).Error(errMsg)
return nil, errorsmod.Wrapf(types.ErrFailedToRegisterHostZone, errMsg)
}
// generate redemption account
redemptionAccount := types.FormatICAAccountOwner(chainId, types.ICAAccountType_REDEMPTION)
if err := k.ICAControllerKeeper.RegisterInterchainAccount(ctx, zone.ConnectionId, redemptionAccount, appVersion); err != nil {
errMsg := fmt.Sprintf("unable to register redemption account, err: %s", err.Error())
k.Logger(ctx).Error(errMsg)
return nil, errorsmod.Wrapf(types.ErrFailedToRegisterHostZone, errMsg)
}
// add this host zone to unbonding hostZones, otherwise users won't be able to unbond
// for this host zone until the following day
dayEpochTracker, found := k.GetEpochTracker(ctx, epochtypes.DAY_EPOCH)
if !found {
return nil, errorsmod.Wrapf(types.ErrEpochNotFound, "epoch tracker (%s) not found", epochtypes.DAY_EPOCH)
}
epochUnbondingRecord, found := k.RecordsKeeper.GetEpochUnbondingRecord(ctx, dayEpochTracker.EpochNumber)
if !found {
errMsg := "unable to find latest epoch unbonding record"
k.Logger(ctx).Error(errMsg)
return nil, errorsmod.Wrapf(recordstypes.ErrEpochUnbondingRecordNotFound, errMsg)
}
hostZoneUnbonding := &recordstypes.HostZoneUnbonding{
NativeTokenAmount: sdkmath.ZeroInt(),
StTokenAmount: sdkmath.ZeroInt(),
Denom: zone.HostDenom,
HostZoneId: zone.ChainId,
Status: recordstypes.HostZoneUnbonding_UNBONDING_QUEUE,
}
updatedEpochUnbondingRecord, success := k.RecordsKeeper.AddHostZoneToEpochUnbondingRecord(ctx, epochUnbondingRecord.EpochNumber, chainId, hostZoneUnbonding)
if !success {
errMsg := fmt.Sprintf("Failed to set host zone epoch unbonding record: epochNumber %d, chainId %s, hostZoneUnbonding %v. Err: %s",
epochUnbondingRecord.EpochNumber, chainId, hostZoneUnbonding, err.Error())
k.Logger(ctx).Error(errMsg)
return nil, errorsmod.Wrapf(types.ErrEpochNotFound, errMsg)
}
k.RecordsKeeper.SetEpochUnbondingRecord(ctx, *updatedEpochUnbondingRecord)
// create an empty deposit record for the host zone
strideEpochTracker, found := k.GetEpochTracker(ctx, epochtypes.STRIDE_EPOCH)
if !found {
return nil, errorsmod.Wrapf(types.ErrEpochNotFound, "epoch tracker (%s) not found", epochtypes.STRIDE_EPOCH)
}
depositRecord := recordstypes.DepositRecord{
Id: 0,
Amount: sdkmath.ZeroInt(),
Denom: zone.HostDenom,
HostZoneId: zone.ChainId,
Status: recordstypes.DepositRecord_TRANSFER_QUEUE,
DepositEpochNumber: strideEpochTracker.EpochNumber,
}
k.RecordsKeeper.AppendDepositRecord(ctx, depositRecord)
// emit events
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
),
)
ctx.EventManager().EmitEvent(
sdk.NewEvent(
types.EventTypeRegisterZone,
sdk.NewAttribute(types.AttributeKeyConnectionId, msg.ConnectionId),
sdk.NewAttribute(types.AttributeKeyRecipientChain, chainId),
),
)
return &types.MsgRegisterHostZoneResponse{}, nil
}