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binding.go
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binding.go
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package keeper
import (
"bytes"
"time"
gogotypes "github.com/cosmos/gogoproto/types"
errorsmod "cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
v1 "github.com/cosmos/cosmos-sdk/x/auth/migrations/v1"
"github.com/irisnet/irismod/modules/service/types"
)
// AddServiceBinding creates a new service binding
func (k Keeper) AddServiceBinding(
ctx sdk.Context,
serviceName string,
provider sdk.AccAddress,
deposit sdk.Coins,
pricing string,
qos uint64,
options string,
owner sdk.AccAddress,
) error {
if _, found := k.GetServiceDefinition(ctx, serviceName); !found {
return errorsmod.Wrap(types.ErrUnknownServiceDefinition, serviceName)
}
if _, found := k.GetServiceBinding(ctx, serviceName, provider); found {
return errorsmod.Wrap(types.ErrServiceBindingExists, "")
}
currentOwner, found := k.GetOwner(ctx, provider)
if found && !owner.Equals(currentOwner) {
return errorsmod.Wrap(types.ErrNotAuthorized, "owner not matching")
}
if err := k.validateDeposit(ctx, deposit); err != nil {
return err
}
maxReqTimeout := k.MaxRequestTimeout(ctx)
if qos > uint64(maxReqTimeout) {
return errorsmod.Wrapf(
types.ErrInvalidQoS,
"QoS [%d] must not be greater than maximum request timeout [%d]",
qos, maxReqTimeout,
)
}
if err := types.ValidateOptions(options); err != nil {
return err
}
parsedPricing, err := k.ParsePricing(ctx, pricing)
if err != nil {
return err
}
minDeposit, err := k.GetMinDeposit(ctx, parsedPricing)
if err != nil {
return errorsmod.Wrapf(types.ErrInvalidMinDeposit, "%s", err)
}
if !deposit.IsAllGTE(minDeposit) {
return errorsmod.Wrapf(
types.ErrInvalidDeposit,
"insufficient deposit: minimum deposit %s, %s got",
minDeposit, deposit,
)
}
// Send coins from owner's account to the deposit module account
if err := k.bankKeeper.SendCoinsFromAccountToModule(ctx, owner, types.DepositAccName, deposit); err != nil {
return err
}
available := true
disabledTime := time.Time{}
svcBinding := types.NewServiceBinding(
serviceName,
provider,
deposit,
pricing,
qos,
options,
available,
disabledTime,
owner,
)
k.SetServiceBinding(ctx, svcBinding)
k.SetOwnerServiceBinding(ctx, svcBinding)
k.SetPricing(ctx, serviceName, provider, parsedPricing)
if currentOwner.Empty() {
k.SetOwner(ctx, provider, owner)
k.SetOwnerProvider(ctx, owner, provider)
}
return nil
}
// SetServiceBindingForGenesis sets the service binding for genesis
func (k Keeper) SetServiceBindingForGenesis(
ctx sdk.Context,
svcBinding types.ServiceBinding,
) error {
provider, err := sdk.AccAddressFromBech32(svcBinding.Provider)
if err != nil {
return err
}
owner, err := sdk.AccAddressFromBech32(svcBinding.Owner)
if err != nil {
return err
}
pricing, err := types.ParsePricing(svcBinding.Pricing)
if err != nil {
return err
}
k.SetServiceBinding(ctx, svcBinding)
k.SetOwnerServiceBinding(ctx, svcBinding)
k.SetOwner(ctx, provider, owner)
k.SetOwnerProvider(ctx, owner, provider)
k.SetPricing(ctx, svcBinding.ServiceName, provider, pricing)
return nil
}
// UpdateServiceBinding updates the specified service binding
func (k Keeper) UpdateServiceBinding(
ctx sdk.Context,
serviceName string,
provider sdk.AccAddress,
deposit sdk.Coins,
pricing string,
qos uint64,
options string,
owner sdk.AccAddress,
) error {
binding, found := k.GetServiceBinding(ctx, serviceName, provider)
if !found {
return errorsmod.Wrap(types.ErrUnknownServiceBinding, "")
}
bindingOwner, err := sdk.AccAddressFromBech32(binding.Owner)
if err != nil {
return err
}
if !owner.Equals(bindingOwner) {
return errorsmod.Wrap(types.ErrNotAuthorized, "owner not matching")
}
updated := false
if qos != 0 {
maxReqTimeout := k.MaxRequestTimeout(ctx)
if qos > uint64(maxReqTimeout) {
return errorsmod.Wrapf(
types.ErrInvalidQoS,
"QoS [%d] must not be greater than maximum request timeout [%d]",
qos, maxReqTimeout,
)
}
binding.QoS = qos
updated = true
}
// add the deposit
if !deposit.Empty() {
if err := k.validateDeposit(ctx, deposit); err != nil {
return err
}
binding.Deposit = binding.Deposit.Add(deposit...)
updated = true
}
parsedPricing := k.GetPricing(ctx, serviceName, provider)
// update the pricing
if len(pricing) != 0 {
parsedPricing, err = k.ParsePricing(ctx, pricing)
if err != nil {
return err
}
binding.Pricing = pricing
k.SetPricing(ctx, serviceName, provider, parsedPricing)
updated = true
}
// update options
if len(options) != 0 {
if err := types.ValidateOptions(options); err != nil {
return err
}
binding.Options = options
updated = true
}
// only check deposit when the binding is available and updated
if binding.Available && updated {
minDeposit, err := k.GetMinDeposit(ctx, parsedPricing)
if err != nil {
return errorsmod.Wrapf(types.ErrInvalidMinDeposit, "%s", err)
}
if !binding.Deposit.IsAllGTE(minDeposit) {
return errorsmod.Wrapf(
types.ErrInvalidDeposit,
"insufficient deposit: minimum deposit %s, %s got",
minDeposit, binding.Deposit,
)
}
}
if !deposit.Empty() {
// Send coins from owner's account to the deposit module account
if err := k.bankKeeper.SendCoinsFromAccountToModule(ctx, owner, types.DepositAccName, deposit); err != nil {
return err
}
}
if updated {
k.SetServiceBinding(ctx, binding)
}
return nil
}
// DisableServiceBinding disables the specified service binding
func (k Keeper) DisableServiceBinding(
ctx sdk.Context,
serviceName string,
provider,
owner sdk.AccAddress,
) error {
binding, found := k.GetServiceBinding(ctx, serviceName, provider)
if !found {
return errorsmod.Wrap(types.ErrUnknownServiceBinding, "")
}
bindingOwner, err := sdk.AccAddressFromBech32(binding.Owner)
if err != nil {
return err
}
if !owner.Equals(bindingOwner) {
return errorsmod.Wrap(types.ErrNotAuthorized, "owner not matching")
}
if !binding.Available {
return errorsmod.Wrap(types.ErrServiceBindingUnavailable, "")
}
binding.Available = false
binding.DisabledTime = ctx.BlockHeader().Time
k.SetServiceBinding(ctx, binding)
return nil
}
// EnableServiceBinding enables the specified service binding
func (k Keeper) EnableServiceBinding(
ctx sdk.Context,
serviceName string,
provider sdk.AccAddress,
deposit sdk.Coins,
owner sdk.AccAddress,
) error {
binding, found := k.GetServiceBinding(ctx, serviceName, provider)
if !found {
return errorsmod.Wrap(types.ErrUnknownServiceBinding, "")
}
bindingOwner, err := sdk.AccAddressFromBech32(binding.Owner)
if err != nil {
return err
}
if !owner.Equals(bindingOwner) {
return errorsmod.Wrap(types.ErrNotAuthorized, "owner not matching")
}
if binding.Available {
return errorsmod.Wrap(types.ErrServiceBindingAvailable, "")
}
// add the deposit
if !deposit.Empty() {
if err := k.validateDeposit(ctx, deposit); err != nil {
return err
}
binding.Deposit = binding.Deposit.Add(deposit...)
}
minDeposit, err := k.GetMinDeposit(ctx, k.GetPricing(ctx, serviceName, provider))
if err != nil {
return errorsmod.Wrapf(types.ErrInvalidMinDeposit, "%s", err)
}
if !binding.Deposit.IsAllGTE(minDeposit) {
return errorsmod.Wrapf(
types.ErrInvalidDeposit,
"insufficient deposit: minimum deposit %s, %s got",
minDeposit, binding.Deposit,
)
}
if !deposit.Empty() {
// Send coins from owner's account to the deposit module account
if err := k.bankKeeper.SendCoinsFromAccountToModule(
ctx, owner, types.DepositAccName, deposit,
); err != nil {
return err
}
}
binding.Available = true
binding.DisabledTime = time.Time{}
k.SetServiceBinding(ctx, binding)
return nil
}
// RefundDeposit refunds the deposit from the specified service binding
func (k Keeper) RefundDeposit(
ctx sdk.Context,
serviceName string,
provider, owner sdk.AccAddress,
) error {
binding, found := k.GetServiceBinding(ctx, serviceName, provider)
if !found {
return errorsmod.Wrap(types.ErrUnknownServiceBinding, "")
}
bindingOwner, err := sdk.AccAddressFromBech32(binding.Owner)
if err != nil {
return err
}
if !owner.Equals(bindingOwner) {
return errorsmod.Wrap(types.ErrNotAuthorized, "owner not matching")
}
if binding.Available {
return errorsmod.Wrap(types.ErrServiceBindingAvailable, "")
}
if binding.Deposit.IsZero() {
return errorsmod.Wrap(types.ErrInvalidDeposit, "the deposit of the service binding is zero")
}
refundableTime := binding.DisabledTime.Add(k.ArbitrationTimeLimit(ctx)).
Add(k.ComplaintRetrospect(ctx))
currentTime := ctx.BlockHeader().Time
if currentTime.Before(refundableTime) {
return errorsmod.Wrapf(types.ErrIncorrectRefundTime, "%v", refundableTime)
}
// Send coins from the deposit module account to the owner's account
if err := k.bankKeeper.SendCoinsFromModuleToAccount(
ctx, types.DepositAccName, bindingOwner, binding.Deposit,
); err != nil {
return err
}
binding.Deposit = sdk.Coins{}
k.SetServiceBinding(ctx, binding)
return nil
}
// RefundDeposits refunds the deposits of all the service bindings
func (k Keeper) RefundDeposits(ctx sdk.Context) error {
iterator := k.AllServiceBindingsIterator(ctx)
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var binding types.ServiceBinding
k.cdc.MustUnmarshal(iterator.Value(), &binding)
bindingOwner, err := sdk.AccAddressFromBech32(binding.Owner)
if err != nil {
return err
}
if err := k.bankKeeper.SendCoinsFromModuleToAccount(
ctx, types.DepositAccName, bindingOwner, binding.Deposit,
); err != nil {
return err
}
}
return nil
}
// SetServiceBinding sets the service binding
func (k Keeper) SetServiceBinding(ctx sdk.Context, svcBinding types.ServiceBinding) {
store := ctx.KVStore(k.storeKey)
provider, _ := sdk.AccAddressFromBech32(svcBinding.Provider)
bz := k.cdc.MustMarshal(&svcBinding)
store.Set(types.GetServiceBindingKey(svcBinding.ServiceName, provider), bz)
}
// GetServiceBinding retrieves the specified service binding
func (k Keeper) GetServiceBinding(
ctx sdk.Context, serviceName string, provider sdk.AccAddress,
) (
svcBinding types.ServiceBinding, found bool,
) {
store := ctx.KVStore(k.storeKey)
bz := store.Get(types.GetServiceBindingKey(serviceName, provider))
if bz == nil {
return svcBinding, false
}
k.cdc.MustUnmarshal(bz, &svcBinding)
return svcBinding, true
}
// SetOwnerServiceBinding sets the owner service binding
func (k Keeper) SetOwnerServiceBinding(ctx sdk.Context, svcBinding types.ServiceBinding) {
store := ctx.KVStore(k.storeKey)
owner, _ := sdk.AccAddressFromBech32(svcBinding.Owner)
provider, _ := sdk.AccAddressFromBech32(svcBinding.Provider)
store.Set(types.GetOwnerServiceBindingKey(owner, svcBinding.ServiceName, provider), []byte{})
}
// GetOwnerServiceBindings retrieves the service bindings with the specified service name and owner
func (k Keeper) GetOwnerServiceBindings(
ctx sdk.Context,
owner sdk.AccAddress,
serviceName string,
) []*types.ServiceBinding {
store := ctx.KVStore(k.storeKey)
bindings := make([]*types.ServiceBinding, 0)
iterator := sdk.KVStorePrefixIterator(store, types.GetOwnerBindingsSubspace(owner, serviceName))
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
bindingKey := iterator.Key()[v1.AddrLen+1:]
sepIndex := bytes.Index(bindingKey, types.Delimiter)
serviceName := string(bindingKey[0:sepIndex])
provider := sdk.AccAddress(bindingKey[sepIndex+1:])
if binding, found := k.GetServiceBinding(ctx, serviceName, provider); found {
bindings = append(bindings, &binding)
}
}
return bindings
}
// SetOwner sets an owner for the specified provider
func (k Keeper) SetOwner(ctx sdk.Context, provider, owner sdk.AccAddress) {
store := ctx.KVStore(k.storeKey)
bz := k.cdc.MustMarshal(&gogotypes.BytesValue{Value: owner})
store.Set(types.GetOwnerKey(provider), bz)
}
// GetOwner gets the owner for the specified provider
func (k Keeper) GetOwner(ctx sdk.Context, provider sdk.AccAddress) (sdk.AccAddress, bool) {
store := ctx.KVStore(k.storeKey)
bz := store.Get(types.GetOwnerKey(provider))
if bz == nil {
return nil, false
}
addr := gogotypes.BytesValue{}
k.cdc.MustUnmarshal(bz, &addr)
return addr.GetValue(), true
}
// SetOwnerProvider sets the provider with the owner
func (k Keeper) SetOwnerProvider(ctx sdk.Context, owner, provider sdk.AccAddress) {
store := ctx.KVStore(k.storeKey)
store.Set(types.GetOwnerProviderKey(owner, provider), []byte{})
}
// OwnerProvidersIterator returns an iterator for all providers of the specified owner
func (k Keeper) OwnerProvidersIterator(ctx sdk.Context, owner sdk.AccAddress) sdk.Iterator {
store := ctx.KVStore(k.storeKey)
return sdk.KVStorePrefixIterator(store, types.GetOwnerProvidersSubspace(owner))
}
// SetPricing sets the pricing for the specified service binding
func (k Keeper) SetPricing(
ctx sdk.Context,
serviceName string,
provider sdk.AccAddress,
pricing types.Pricing,
) {
store := ctx.KVStore(k.storeKey)
bz := k.cdc.MustMarshal(&pricing)
store.Set(types.GetPricingKey(serviceName, provider), bz)
}
// GetPricing retrieves the pricing of the specified service binding
func (k Keeper) GetPricing(
ctx sdk.Context,
serviceName string,
provider sdk.AccAddress,
) (pricing types.Pricing) {
store := ctx.KVStore(k.storeKey)
bz := store.Get(types.GetPricingKey(serviceName, provider))
if bz == nil {
return
}
k.cdc.MustUnmarshal(bz, &pricing)
return pricing
}
// SetWithdrawAddress sets the withdrawal address for the specified owner
func (k Keeper) SetWithdrawAddress(ctx sdk.Context, owner, withdrawAddr sdk.AccAddress) {
store := ctx.KVStore(k.storeKey)
store.Set(types.GetWithdrawAddrKey(owner), withdrawAddr.Bytes())
}
// GetWithdrawAddress gets the withdrawal address of the specified owner
func (k Keeper) GetWithdrawAddress(ctx sdk.Context, owner sdk.AccAddress) sdk.AccAddress {
store := ctx.KVStore(k.storeKey)
bz := store.Get(types.GetWithdrawAddrKey(owner))
if bz == nil {
return owner
}
return sdk.AccAddress(bz)
}
// IterateWithdrawAddresses iterates through all withdrawal addresses
func (k Keeper) IterateWithdrawAddresses(
ctx sdk.Context,
op func(owner sdk.AccAddress, withdrawAddress sdk.AccAddress) (stop bool),
) {
store := ctx.KVStore(k.storeKey)
iterator := sdk.KVStorePrefixIterator(store, types.WithdrawAddrKey)
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
ownerAddress := sdk.AccAddress(iterator.Key()[1:])
withdrawAddress := sdk.AccAddress(iterator.Value())
if stop := op(ownerAddress, withdrawAddress); stop {
break
}
}
}
// ServiceBindingsIterator returns an iterator for all bindings of the specified service definition
func (k Keeper) ServiceBindingsIterator(ctx sdk.Context, serviceName string) sdk.Iterator {
store := ctx.KVStore(k.storeKey)
return sdk.KVStorePrefixIterator(store, types.GetBindingsSubspace(serviceName))
}
// AllServiceBindingsIterator returns an iterator for all bindings
func (k Keeper) AllServiceBindingsIterator(ctx sdk.Context) sdk.Iterator {
store := ctx.KVStore(k.storeKey)
return sdk.KVStorePrefixIterator(store, types.ServiceBindingKey)
}
func (k Keeper) IterateServiceBindings(
ctx sdk.Context,
op func(binding types.ServiceBinding) (stop bool),
) {
store := ctx.KVStore(k.storeKey)
iterator := sdk.KVStorePrefixIterator(store, types.ServiceBindingKey)
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var binding types.ServiceBinding
k.cdc.MustUnmarshal(iterator.Value(), &binding)
if stop := op(binding); stop {
break
}
}
}
// GetMinDeposit gets the minimum deposit required for the service binding
func (k Keeper) GetMinDeposit(ctx sdk.Context, pricing types.Pricing) (sdk.Coins, error) {
minDepositMultiple := sdk.NewInt(k.MinDepositMultiple(ctx))
minDepositParam := k.MinDeposit(ctx)
baseDenom := k.BaseDenom(ctx)
priceDenom := pricing.Price.GetDenomByIndex(0)
price := pricing.Price.AmountOf(priceDenom)
basePrice := price
if priceDenom != baseDenom && !price.IsZero() {
rate, err := k.GetExchangeRate(ctx, priceDenom, baseDenom)
if err != nil {
return nil, err
}
basePrice = sdk.NewDecFromInt(price).Mul(rate).TruncateInt()
if basePrice.IsZero() {
basePrice = sdk.OneInt()
}
}
// minimum deposit = max(price * minDepositMultiple, minDepositParam)
minDeposit := sdk.NewCoins(sdk.NewCoin(baseDenom, basePrice.Mul(minDepositMultiple)))
if !minDeposit.IsZero() && minDeposit.IsAllLT(minDepositParam) {
minDeposit = minDepositParam
}
return minDeposit, nil
}
// ParsePricing parses the given pricing
func (k Keeper) ParsePricing(ctx sdk.Context, pricing string) (p types.Pricing, err error) {
p, err = types.ParsePricing(pricing)
if err != nil {
return p, err
}
if err := types.CheckPricing(p); err != nil {
return p, err
}
if err := k.validatePricing(ctx, p); err != nil {
return p, err
}
return p, nil
}
// validateDeposit validates the given deposit
func (k Keeper) validateDeposit(ctx sdk.Context, deposit sdk.Coins) error {
baseDenom := k.BaseDenom(ctx)
if len(deposit) != 1 || deposit[0].Denom != baseDenom {
return errorsmod.Wrapf(types.ErrInvalidDeposit, "deposit only accepts %s", baseDenom)
}
return nil
}
// validatePricing validates the given pricing
func (k Keeper) validatePricing(ctx sdk.Context, pricing types.Pricing) error {
priceDenom := pricing.Price.GetDenomByIndex(0)
if k.RestrictedServiceFeeDenom(ctx) {
baseDenom := k.BaseDenom(ctx)
if priceDenom != baseDenom {
return errorsmod.Wrapf(
types.ErrInvalidPricing,
"invalid denom: %s, service fee only accepts %s",
priceDenom,
baseDenom,
)
}
}
if supply := k.bankKeeper.GetSupply(ctx, priceDenom).Amount; !supply.IsPositive() {
return errorsmod.Wrapf(types.ErrInvalidPricing, "invalid denom: %s", priceDenom)
}
return nil
}