mirror of https://github.com/certusone/wasmd.git
1551 lines
56 KiB
Go
1551 lines
56 KiB
Go
package keeper
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import (
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"bytes"
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"context"
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"encoding/binary"
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"encoding/hex"
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"fmt"
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"math"
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"reflect"
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"strconv"
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"strings"
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"time"
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wasmvm "github.com/CosmWasm/wasmvm/v3"
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wasmvmtypes "github.com/CosmWasm/wasmvm/v3/types"
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channeltypes "github.com/cosmos/ibc-go/v10/modules/core/04-channel/types"
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ibcapi "github.com/cosmos/ibc-go/v10/modules/core/api"
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"cosmossdk.io/collections"
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corestoretypes "cosmossdk.io/core/store"
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errorsmod "cosmossdk.io/errors"
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"cosmossdk.io/log"
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"cosmossdk.io/store/prefix"
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storetypes "cosmossdk.io/store/types"
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"github.com/cosmos/cosmos-sdk/codec"
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"github.com/cosmos/cosmos-sdk/runtime"
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"github.com/cosmos/cosmos-sdk/telemetry"
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sdk "github.com/cosmos/cosmos-sdk/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
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vestingexported "github.com/cosmos/cosmos-sdk/x/auth/vesting/exported"
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"github.com/CosmWasm/wasmd/x/wasm/ioutils"
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"github.com/CosmWasm/wasmd/x/wasm/types"
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)
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// contractMemoryLimit is the memory limit of each contract execution (in MiB)
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// constant value so all nodes run with the same limit.
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const contractMemoryLimit = 32
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// Option is an extension point to instantiate keeper with non default values
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type Option interface {
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apply(*Keeper)
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}
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// WasmVMQueryHandler is an extension point for custom query handler implementations
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type WasmVMQueryHandler interface {
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// HandleQuery executes the requested query
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HandleQuery(ctx sdk.Context, caller sdk.AccAddress, request wasmvmtypes.QueryRequest) ([]byte, error)
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}
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type CoinTransferrer interface {
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// TransferCoins sends the coin amounts from the source to the destination with rules applied.
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TransferCoins(ctx sdk.Context, fromAddr, toAddr sdk.AccAddress, amt sdk.Coins) error
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}
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// AccountPruner handles the balances and data cleanup for accounts that are pruned on contract instantiate.
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// This is an extension point to attach custom logic
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type AccountPruner interface {
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// CleanupExistingAccount handles the cleanup process for balances and data of the given account. The persisted account
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// type is already reset to base account at this stage.
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// The method returns true when the account address can be reused. Unsupported account types are rejected by returning false
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CleanupExistingAccount(ctx sdk.Context, existingAccount sdk.AccountI) (handled bool, err error)
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}
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// WasmVMResponseHandler is an extension point to handles the response data returned by a contract call.
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type WasmVMResponseHandler interface {
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// Handle processes the data returned by a contract invocation.
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Handle(
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ctx sdk.Context,
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contractAddr sdk.AccAddress,
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ibcPort string,
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messages []wasmvmtypes.SubMsg,
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origRspData []byte,
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) ([]byte, error)
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}
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// list of account types that are accepted for wasm contracts. Chains importing wasmd
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// can overwrite this list with the WithAcceptedAccountTypesOnContractInstantiation option.
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var defaultAcceptedAccountTypes = map[reflect.Type]struct{}{
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reflect.TypeOf(&authtypes.BaseAccount{}): {},
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}
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// Keeper will have a reference to Wasm Engine with it's own data directory.
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type Keeper struct {
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// The (unexposed) keys used to access the stores from the Context.
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storeService corestoretypes.KVStoreService
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cdc codec.Codec
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accountKeeper types.AccountKeeper
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bank CoinTransferrer
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wasmVM types.WasmEngine
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wasmVMQueryHandler WasmVMQueryHandler
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wasmVMResponseHandler WasmVMResponseHandler
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messenger Messenger
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// queryGasLimit is the max wasmvm gas that can be spent on executing a query with a contract
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queryGasLimit uint64
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gasRegister types.GasRegister
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maxQueryStackSize uint32
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maxCallDepth uint32
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acceptedAccountTypes map[reflect.Type]struct{}
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accountPruner AccountPruner
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params collections.Item[types.Params]
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// propagate gov authZ to sub-messages
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propagateGovAuthorization map[types.AuthorizationPolicyAction]struct{}
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// the address capable of executing a MsgUpdateParams message. Typically, this
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// should be the x/gov module account.
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authority string
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// wasmLimits contains the limits sent to wasmvm on init
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wasmLimits wasmvmtypes.WasmLimits
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ibcRouterV2 *ibcapi.Router
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}
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func (k Keeper) GetIBCRouterV2() *ibcapi.Router {
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return k.ibcRouterV2
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}
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func (k Keeper) getUploadAccessConfig(ctx context.Context) types.AccessConfig {
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return k.GetParams(ctx).CodeUploadAccess
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}
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func (k Keeper) getInstantiateAccessConfig(ctx context.Context) types.AccessType {
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return k.GetParams(ctx).InstantiateDefaultPermission
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}
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func (k Keeper) GetWasmLimits() wasmvmtypes.WasmLimits {
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return k.wasmLimits
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}
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// GetParams returns the total set of wasm parameters.
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func (k Keeper) GetParams(ctx context.Context) types.Params {
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p, err := k.params.Get(ctx)
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if err != nil {
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panic(err)
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}
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return p
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}
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// SetParams sets all wasm parameters.
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func (k Keeper) SetParams(ctx context.Context, ps types.Params) error {
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return k.params.Set(ctx, ps)
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}
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// GetAuthority returns the x/wasm module's authority.
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func (k Keeper) GetAuthority() string {
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return k.authority
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}
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// GetGasRegister returns the x/wasm module's gas register.
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func (k Keeper) GetGasRegister() types.GasRegister {
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return k.gasRegister
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}
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func (k Keeper) create(ctx context.Context, creator sdk.AccAddress, wasmCode []byte, instantiateAccess *types.AccessConfig, authZ types.AuthorizationPolicy) (codeID uint64, checksum []byte, err error) {
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if creator == nil {
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return 0, checksum, errorsmod.Wrap(sdkerrors.ErrInvalidAddress, "cannot be nil")
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}
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sdkCtx := sdk.UnwrapSDKContext(ctx)
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// figure out proper instantiate access
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defaultAccessConfig := k.getInstantiateAccessConfig(sdkCtx).With(creator)
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if instantiateAccess == nil {
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instantiateAccess = &defaultAccessConfig
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}
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chainConfigs := types.ChainAccessConfigs{
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Instantiate: defaultAccessConfig,
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Upload: k.getUploadAccessConfig(sdkCtx),
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}
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if !authZ.CanCreateCode(chainConfigs, creator, *instantiateAccess) {
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return 0, checksum, errorsmod.Wrap(sdkerrors.ErrUnauthorized, "can not create code")
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}
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if ioutils.IsGzip(wasmCode) {
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sdkCtx.GasMeter().ConsumeGas(k.gasRegister.UncompressCosts(len(wasmCode)), "Uncompress gzip bytecode")
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wasmCode, err = ioutils.Uncompress(wasmCode, int64(types.MaxWasmSize))
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if err != nil {
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return 0, checksum, types.ErrCreateFailed.Wrap(errorsmod.Wrap(err, "uncompress wasm archive").Error())
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}
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}
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gasLeft := k.runtimeGasForContract(sdkCtx)
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var gasUsed uint64
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isSimulation := sdkCtx.ExecMode() == sdk.ExecModeSimulate
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if isSimulation {
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// only simulate storing the code, no files are written
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checksum, gasUsed, err = k.wasmVM.SimulateStoreCode(wasmCode, gasLeft)
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} else {
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checksum, gasUsed, err = k.wasmVM.StoreCode(wasmCode, gasLeft)
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}
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k.consumeRuntimeGas(sdkCtx, gasUsed)
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if err != nil {
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return 0, checksum, errorsmod.Wrap(types.ErrCreateFailed, err.Error())
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}
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// simulation gets default value for capabilities
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var requiredCapabilities string
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if !isSimulation {
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report, err := k.wasmVM.AnalyzeCode(checksum)
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if err != nil {
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return 0, checksum, errorsmod.Wrap(types.ErrCreateFailed, err.Error())
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}
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requiredCapabilities = report.RequiredCapabilities
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}
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codeID = k.mustAutoIncrementID(sdkCtx, types.KeySequenceCodeID)
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k.Logger(sdkCtx).Debug("storing new contract", "capabilities", requiredCapabilities, "code_id", codeID)
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codeInfo := types.NewCodeInfo(checksum, creator, *instantiateAccess)
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k.mustStoreCodeInfo(sdkCtx, codeID, codeInfo)
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evt := sdk.NewEvent(
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types.EventTypeStoreCode,
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sdk.NewAttribute(types.AttributeKeyChecksum, hex.EncodeToString(checksum)),
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sdk.NewAttribute(types.AttributeKeyCodeID, strconv.FormatUint(codeID, 10)), // last element to be compatible with scripts
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)
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for _, f := range strings.Split(requiredCapabilities, ",") {
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evt.AppendAttributes(sdk.NewAttribute(types.AttributeKeyRequiredCapability, strings.TrimSpace(f)))
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}
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sdkCtx.EventManager().EmitEvent(evt)
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return codeID, checksum, nil
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}
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func (k Keeper) mustStoreCodeInfo(ctx context.Context, codeID uint64, codeInfo types.CodeInfo) {
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store := k.storeService.OpenKVStore(ctx)
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// 0x01 | codeID (uint64) -> ContractInfo
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err := store.Set(types.GetCodeKey(codeID), k.cdc.MustMarshal(&codeInfo))
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if err != nil {
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panic(err)
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}
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}
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func (k Keeper) importCode(ctx context.Context, codeID uint64, codeInfo types.CodeInfo, wasmCode []byte) error {
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if ioutils.IsGzip(wasmCode) {
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var err error
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wasmCode, err = ioutils.Uncompress(wasmCode, math.MaxInt64)
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if err != nil {
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return types.ErrCreateFailed.Wrap(errorsmod.Wrap(err, "uncompress wasm archive").Error())
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}
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}
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newCodeHash, err := k.wasmVM.StoreCodeUnchecked(wasmCode)
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if err != nil {
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return errorsmod.Wrap(types.ErrCreateFailed, err.Error())
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}
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if !bytes.Equal(codeInfo.CodeHash, newCodeHash) {
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return errorsmod.Wrap(types.ErrInvalid, "code hashes not same")
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}
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store := k.storeService.OpenKVStore(ctx)
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key := types.GetCodeKey(codeID)
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ok, err := store.Has(key)
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if err != nil {
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return errorsmod.Wrap(err, "has code-id key")
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}
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if ok {
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return errorsmod.Wrapf(types.ErrDuplicate, "duplicate code: %d", codeID)
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}
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// 0x01 | codeID (uint64) -> ContractInfo
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return store.Set(key, k.cdc.MustMarshal(&codeInfo))
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}
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func (k Keeper) instantiate(
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ctx context.Context,
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codeID uint64,
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creator, admin sdk.AccAddress,
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initMsg []byte,
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label string,
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deposit sdk.Coins,
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addressGenerator AddressGenerator,
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authPolicy types.AuthorizationPolicy,
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) (sdk.AccAddress, []byte, error) {
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defer telemetry.MeasureSince(time.Now(), "wasm", "contract", "instantiate")
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if creator == nil {
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return nil, nil, types.ErrEmpty.Wrap("creator")
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}
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sdkCtx := sdk.UnwrapSDKContext(ctx)
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codeInfo := k.GetCodeInfo(ctx, codeID)
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if codeInfo == nil {
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return nil, nil, types.ErrNoSuchCodeFn(codeID).Wrapf("code id %d", codeID)
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}
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sdkCtx, discount := k.checkDiscountEligibility(sdkCtx, codeInfo.CodeHash, k.IsPinnedCode(sdkCtx, codeID))
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setupCost := k.gasRegister.SetupContractCost(discount, len(initMsg))
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sdkCtx.GasMeter().ConsumeGas(setupCost, "Loading CosmWasm module: instantiate")
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if !authPolicy.CanInstantiateContract(codeInfo.InstantiateConfig, creator) {
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return nil, nil, errorsmod.Wrap(sdkerrors.ErrUnauthorized, "can not instantiate")
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}
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contractAddress := addressGenerator(ctx, codeID, codeInfo.CodeHash)
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if k.HasContractInfo(ctx, contractAddress) {
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// This case must only happen for instantiate2 because instantiate is based on a counter in state.
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// So we create an instantiate2 specific error message here even though technically this function
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// is used for both cases.
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return nil, nil, types.ErrDuplicate.Wrap("contract address already exists, try a different combination of creator, checksum and salt")
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}
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// check account
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// every cosmos module can define custom account types when needed. The cosmos-sdk comes with extension points
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// to support this and a set of base and vesting account types that we integrated in our default lists.
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// But not all account types of other modules are known or may make sense for contracts, therefore we kept this
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// decision logic also very flexible and extendable. We provide new options to overwrite the default settings via WithAcceptedAccountTypesOnContractInstantiation and
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// WithPruneAccountTypesOnContractInstantiation as constructor arguments
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existingAcct := k.accountKeeper.GetAccount(sdkCtx, contractAddress)
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if existingAcct != nil {
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if existingAcct.GetSequence() != 0 || existingAcct.GetPubKey() != nil {
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return nil, nil, types.ErrAccountExists.Wrap("address is claimed by external account")
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}
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if _, accept := k.acceptedAccountTypes[reflect.TypeOf(existingAcct)]; accept {
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// keep account and balance as it is
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k.Logger(sdkCtx).Info("instantiate contract with existing account", "address", contractAddress.String())
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} else {
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// consider an account in the wasmd namespace spam and overwrite it.
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k.Logger(sdkCtx).Info("pruning existing account for contract instantiation", "address", contractAddress.String())
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contractAccount := k.accountKeeper.NewAccountWithAddress(sdkCtx, contractAddress)
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k.accountKeeper.SetAccount(sdkCtx, contractAccount)
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// also handle balance to not open cases where these accounts are abused and become liquid
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switch handled, err := k.accountPruner.CleanupExistingAccount(sdkCtx, existingAcct); {
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case err != nil:
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return nil, nil, errorsmod.Wrap(err, "prune balance")
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case !handled:
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return nil, nil, types.ErrAccountExists.Wrap("address is claimed by external account")
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}
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}
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} else {
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// create an empty account (so we don't have issues later)
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contractAccount := k.accountKeeper.NewAccountWithAddress(sdkCtx, contractAddress)
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k.accountKeeper.SetAccount(sdkCtx, contractAccount)
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}
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// deposit initial contract funds
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if !deposit.IsZero() {
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if err := k.bank.TransferCoins(sdkCtx, creator, contractAddress, deposit); err != nil {
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return nil, nil, err
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}
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}
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// prepare params for contract instantiate call
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env := types.NewEnv(sdkCtx, contractAddress)
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info := types.NewInfo(creator, deposit)
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// create prefixed data store
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// 0x03 | BuildContractAddressClassic (sdk.AccAddress)
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prefixStoreKey := types.GetContractStorePrefix(contractAddress)
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vmStore := types.NewStoreAdapter(prefix.NewStore(runtime.KVStoreAdapter(k.storeService.OpenKVStore(sdkCtx)), prefixStoreKey))
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// prepare querier
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querier := k.newQueryHandler(sdkCtx, contractAddress)
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// instantiate wasm contract
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gasLeft := k.runtimeGasForContract(sdkCtx)
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res, gasUsed, err := k.wasmVM.Instantiate(codeInfo.CodeHash, env, info, initMsg, vmStore, cosmwasmAPI, querier, k.gasMeter(sdkCtx), gasLeft, costJSONDeserialization)
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k.consumeRuntimeGas(sdkCtx, gasUsed)
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if err != nil {
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return nil, nil, errorsmod.Wrap(types.ErrVMError, err.Error())
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}
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if res == nil {
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// If this gets executed, that's a bug in wasmvm
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return nil, nil, errorsmod.Wrap(types.ErrVMError, "internal wasmvm error")
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}
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if res.Err != "" {
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return nil, nil, types.MarkErrorDeterministic(errorsmod.Wrap(types.ErrInstantiateFailed, res.Err))
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}
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// persist instance first
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createdAt := types.NewAbsoluteTxPosition(sdkCtx)
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contractInfo := types.NewContractInfo(codeID, creator, admin, label, createdAt)
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|
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// check for IBC flag
|
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report, err := k.wasmVM.AnalyzeCode(codeInfo.CodeHash)
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if err != nil {
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return nil, nil, errorsmod.Wrap(types.ErrVMError, err.Error())
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}
|
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if report.HasIBCEntryPoints {
|
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// register IBC port
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ibcPort := PortIDForContract(contractAddress)
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contractInfo.IBCPortID = ibcPort
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}
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ibc2Port := PortIDForContractV2(contractAddress)
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contractInfo.IBC2PortID = ibc2Port
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|
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// TODO: Remove AddRoute in https://github.com/CosmWasm/wasmd/issues/2144
|
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if !k.ibcRouterV2.HasRoute(ibc2Port) {
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k.ibcRouterV2.AddRoute(ibc2Port, NewIBC2Handler(k))
|
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}
|
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|
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// store contract before dispatch so that contract could be called back
|
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historyEntry := contractInfo.InitialHistory(initMsg)
|
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err = k.addToContractCodeSecondaryIndex(sdkCtx, contractAddress, historyEntry)
|
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if err != nil {
|
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return nil, nil, err
|
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}
|
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err = k.addToContractCreatorSecondaryIndex(sdkCtx, creator, historyEntry.Updated, contractAddress)
|
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if err != nil {
|
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return nil, nil, err
|
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}
|
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err = k.appendToContractHistory(sdkCtx, contractAddress, historyEntry)
|
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if err != nil {
|
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return nil, nil, err
|
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}
|
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|
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k.mustStoreContractInfo(sdkCtx, contractAddress, &contractInfo)
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|
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sdkCtx.EventManager().EmitEvent(sdk.NewEvent(
|
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types.EventTypeInstantiate,
|
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sdk.NewAttribute(types.AttributeKeyContractAddr, contractAddress.String()),
|
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sdk.NewAttribute(types.AttributeKeyCodeID, strconv.FormatUint(codeID, 10)),
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))
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|
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sdkCtx = types.WithSubMsgAuthzPolicy(sdkCtx, authPolicy.SubMessageAuthorizationPolicy(types.AuthZActionInstantiate))
|
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data, err := k.handleContractResponse(sdkCtx, contractAddress, contractInfo.IBCPortID, res.Ok.Messages, res.Ok.Attributes, res.Ok.Data, res.Ok.Events)
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if err != nil {
|
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return nil, nil, errorsmod.Wrap(err, "dispatch")
|
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}
|
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|
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return contractAddress, data, nil
|
|
}
|
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|
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// Execute executes the contract instance
|
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func (k Keeper) execute(ctx context.Context, contractAddress, caller sdk.AccAddress, msg []byte, coins sdk.Coins) ([]byte, error) {
|
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defer telemetry.MeasureSince(time.Now(), "wasm", "contract", "execute")
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sdkCtx := sdk.UnwrapSDKContext(ctx)
|
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contractInfo, codeInfo, prefixStore, err := k.contractInstance(ctx, contractAddress)
|
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if err != nil {
|
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return nil, err
|
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}
|
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|
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sdkCtx, discount := k.checkDiscountEligibility(sdkCtx, codeInfo.CodeHash, k.IsPinnedCode(ctx, contractInfo.CodeID))
|
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setupCost := k.gasRegister.SetupContractCost(discount, len(msg))
|
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|
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sdkCtx.GasMeter().ConsumeGas(setupCost, "Loading CosmWasm module: execute")
|
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|
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// add more funds
|
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if !coins.IsZero() {
|
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if err := k.bank.TransferCoins(sdkCtx, caller, contractAddress, coins); err != nil {
|
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return nil, err
|
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}
|
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}
|
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|
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env := types.NewEnv(sdkCtx, contractAddress)
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info := types.NewInfo(caller, coins)
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|
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// prepare querier
|
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querier := k.newQueryHandler(sdkCtx, contractAddress)
|
|
gasLeft := k.runtimeGasForContract(sdkCtx)
|
|
res, gasUsed, execErr := k.wasmVM.Execute(codeInfo.CodeHash, env, info, msg, prefixStore, cosmwasmAPI, querier, k.gasMeter(sdkCtx), gasLeft, costJSONDeserialization)
|
|
k.consumeRuntimeGas(sdkCtx, gasUsed)
|
|
if execErr != nil {
|
|
return nil, errorsmod.Wrap(types.ErrVMError, execErr.Error())
|
|
}
|
|
if res == nil {
|
|
// If this gets executed, that's a bug in wasmvm
|
|
return nil, errorsmod.Wrap(types.ErrVMError, "internal wasmvm error")
|
|
}
|
|
if res.Err != "" {
|
|
return nil, types.MarkErrorDeterministic(errorsmod.Wrap(types.ErrExecuteFailed, res.Err))
|
|
}
|
|
|
|
sdkCtx.EventManager().EmitEvent(sdk.NewEvent(
|
|
types.EventTypeExecute,
|
|
sdk.NewAttribute(types.AttributeKeyContractAddr, contractAddress.String()),
|
|
))
|
|
|
|
data, err := k.handleContractResponse(sdkCtx, contractAddress, contractInfo.IBCPortID, res.Ok.Messages, res.Ok.Attributes, res.Ok.Data, res.Ok.Events)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return data, nil
|
|
}
|
|
|
|
func (k Keeper) migrate(
|
|
ctx context.Context,
|
|
contractAddress sdk.AccAddress,
|
|
caller sdk.AccAddress,
|
|
newCodeID uint64,
|
|
msg []byte,
|
|
authZ types.AuthorizationPolicy,
|
|
) ([]byte, error) {
|
|
defer telemetry.MeasureSince(time.Now(), "wasm", "contract", "migrate")
|
|
|
|
sdkCtx := sdk.UnwrapSDKContext(ctx)
|
|
|
|
contractInfo := k.GetContractInfo(ctx, contractAddress)
|
|
if contractInfo == nil {
|
|
return nil, errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "unknown contract")
|
|
}
|
|
if !authZ.CanModifyContract(contractInfo.AdminAddr(), caller) {
|
|
return nil, errorsmod.Wrap(sdkerrors.ErrUnauthorized, "can not migrate")
|
|
}
|
|
|
|
newCodeInfo := k.GetCodeInfo(ctx, newCodeID)
|
|
if newCodeInfo == nil {
|
|
return nil, errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "unknown code")
|
|
}
|
|
|
|
if !authZ.CanInstantiateContract(newCodeInfo.InstantiateConfig, caller) {
|
|
return nil, errorsmod.Wrap(sdkerrors.ErrUnauthorized, "to use new code")
|
|
}
|
|
|
|
// check for IBC flag
|
|
report, err := k.wasmVM.AnalyzeCode(newCodeInfo.CodeHash)
|
|
switch {
|
|
case err != nil:
|
|
return nil, errorsmod.Wrap(types.ErrVMError, err.Error())
|
|
case !report.HasIBCEntryPoints && contractInfo.IBCPortID != "":
|
|
// prevent update to non ibc contract
|
|
return nil, errorsmod.Wrap(types.ErrMigrationFailed, "requires ibc callbacks")
|
|
case report.HasIBCEntryPoints && contractInfo.IBCPortID == "":
|
|
// add ibc port
|
|
ibcPort := PortIDForContract(contractAddress)
|
|
contractInfo.IBCPortID = ibcPort
|
|
}
|
|
|
|
ibc2Port := PortIDForContractV2(contractAddress)
|
|
contractInfo.IBC2PortID = ibc2Port
|
|
|
|
var response *wasmvmtypes.Response
|
|
|
|
// check for migrate version
|
|
oldCodeInfo := k.GetCodeInfo(ctx, contractInfo.CodeID)
|
|
oldReport, err := k.wasmVM.AnalyzeCode(oldCodeInfo.CodeHash)
|
|
if err != nil {
|
|
return nil, errorsmod.Wrap(types.ErrVMError, err.Error())
|
|
}
|
|
|
|
// call migrate entrypoint, except if both migrate versions are set and the same value
|
|
if report.ContractMigrateVersion == nil ||
|
|
oldReport.ContractMigrateVersion == nil ||
|
|
*report.ContractMigrateVersion != *oldReport.ContractMigrateVersion {
|
|
response, err = k.callMigrateEntrypoint(sdkCtx, contractAddress, wasmvmtypes.Checksum(newCodeInfo.CodeHash), msg, newCodeID, caller, oldReport.ContractMigrateVersion)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
// delete old secondary index entry
|
|
err = k.removeFromContractCodeSecondaryIndex(ctx, contractAddress, k.mustGetLastContractHistoryEntry(sdkCtx, contractAddress))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
// persist migration updates
|
|
historyEntry := contractInfo.AddMigration(sdkCtx, newCodeID, msg)
|
|
err = k.appendToContractHistory(ctx, contractAddress, historyEntry)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
err = k.addToContractCodeSecondaryIndex(ctx, contractAddress, historyEntry)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
k.mustStoreContractInfo(ctx, contractAddress, contractInfo)
|
|
|
|
sdkCtx.EventManager().EmitEvent(sdk.NewEvent(
|
|
types.EventTypeMigrate,
|
|
sdk.NewAttribute(types.AttributeKeyCodeID, strconv.FormatUint(newCodeID, 10)),
|
|
sdk.NewAttribute(types.AttributeKeyContractAddr, contractAddress.String()),
|
|
))
|
|
|
|
var data []byte
|
|
|
|
// if migrate entry point was called
|
|
if response != nil {
|
|
sdkCtx = types.WithSubMsgAuthzPolicy(sdkCtx, authZ.SubMessageAuthorizationPolicy(types.AuthZActionMigrateContract))
|
|
data, err = k.handleContractResponse(
|
|
sdkCtx,
|
|
contractAddress,
|
|
contractInfo.IBCPortID,
|
|
response.Messages,
|
|
response.Attributes,
|
|
response.Data,
|
|
response.Events,
|
|
)
|
|
if err != nil {
|
|
return nil, errorsmod.Wrap(err, "dispatch")
|
|
}
|
|
return data, nil
|
|
}
|
|
|
|
return data, nil
|
|
}
|
|
|
|
func (k Keeper) callMigrateEntrypoint(
|
|
sdkCtx sdk.Context,
|
|
contractAddress sdk.AccAddress,
|
|
newChecksum wasmvmtypes.Checksum,
|
|
msg []byte,
|
|
newCodeID uint64,
|
|
senderAddress sdk.AccAddress,
|
|
oldMigrateVersion *uint64,
|
|
) (*wasmvmtypes.Response, error) {
|
|
sdkCtx, discount := k.checkDiscountEligibility(sdkCtx, newChecksum, k.IsPinnedCode(sdkCtx, newCodeID))
|
|
setupCost := k.gasRegister.SetupContractCost(discount, len(msg))
|
|
sdkCtx.GasMeter().ConsumeGas(setupCost, "Loading CosmWasm module: migrate")
|
|
|
|
env := types.NewEnv(sdkCtx, contractAddress)
|
|
|
|
// prepare querier
|
|
querier := k.newQueryHandler(sdkCtx, contractAddress)
|
|
|
|
prefixStoreKey := types.GetContractStorePrefix(contractAddress)
|
|
vmStore := types.NewStoreAdapter(prefix.NewStore(runtime.KVStoreAdapter(k.storeService.OpenKVStore(sdkCtx)), prefixStoreKey))
|
|
gasLeft := k.runtimeGasForContract(sdkCtx)
|
|
|
|
migrateInfo := wasmvmtypes.MigrateInfo{
|
|
Sender: senderAddress.String(),
|
|
OldMigrateVersion: oldMigrateVersion,
|
|
}
|
|
res, gasUsed, err := k.wasmVM.MigrateWithInfo(newChecksum, env, msg, migrateInfo, vmStore, cosmwasmAPI, &querier, k.gasMeter(sdkCtx), gasLeft, costJSONDeserialization)
|
|
|
|
k.consumeRuntimeGas(sdkCtx, gasUsed)
|
|
if err != nil {
|
|
return nil, errorsmod.Wrap(types.ErrVMError, err.Error())
|
|
}
|
|
if res == nil {
|
|
// If this gets executed, that's a bug in wasmvm
|
|
return nil, errorsmod.Wrap(types.ErrVMError, "internal wasmvm error")
|
|
}
|
|
if res.Err != "" {
|
|
return nil, types.MarkErrorDeterministic(errorsmod.Wrap(types.ErrMigrationFailed, res.Err))
|
|
}
|
|
return res.Ok, nil
|
|
}
|
|
|
|
// Sudo allows privileged access to a contract. This can never be called by an external tx, but only by
|
|
// another native Go module directly, or on-chain governance (if sudo proposals are enabled). Thus, the keeper doesn't
|
|
// place any access controls on it, that is the responsibility or the app developer (who passes the wasm.Keeper in app.go)
|
|
//
|
|
// Sub-messages returned from the sudo call to the contract are executed with the default authorization policy. This can be
|
|
// customized though by passing a new policy with the context. See types.WithSubMsgAuthzPolicy.
|
|
// The policy will be read in msgServer.selectAuthorizationPolicy and used for sub-message executions.
|
|
// This is an extension point for some very advanced scenarios only. Use with care!
|
|
func (k Keeper) Sudo(ctx context.Context, contractAddress sdk.AccAddress, msg []byte) ([]byte, error) {
|
|
defer telemetry.MeasureSince(time.Now(), "wasm", "contract", "sudo")
|
|
|
|
contractInfo, codeInfo, prefixStore, err := k.contractInstance(ctx, contractAddress)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
sdkCtx := sdk.UnwrapSDKContext(ctx)
|
|
sdkCtx, discount := k.checkDiscountEligibility(sdkCtx, codeInfo.CodeHash, k.IsPinnedCode(ctx, contractInfo.CodeID))
|
|
setupCost := k.gasRegister.SetupContractCost(discount, len(msg))
|
|
|
|
sdkCtx.GasMeter().ConsumeGas(setupCost, "Loading CosmWasm module: sudo")
|
|
|
|
env := types.NewEnv(sdkCtx, contractAddress)
|
|
|
|
// prepare querier
|
|
querier := k.newQueryHandler(sdkCtx, contractAddress)
|
|
gasLeft := k.runtimeGasForContract(sdkCtx)
|
|
res, gasUsed, execErr := k.wasmVM.Sudo(codeInfo.CodeHash, env, msg, prefixStore, cosmwasmAPI, querier, k.gasMeter(sdkCtx), gasLeft, costJSONDeserialization)
|
|
k.consumeRuntimeGas(sdkCtx, gasUsed)
|
|
if execErr != nil {
|
|
return nil, errorsmod.Wrap(types.ErrVMError, execErr.Error())
|
|
}
|
|
if res == nil {
|
|
// If this gets executed, that's a bug in wasmvm
|
|
return nil, errorsmod.Wrap(types.ErrVMError, "internal wasmvm error")
|
|
}
|
|
if res.Err != "" {
|
|
return nil, types.MarkErrorDeterministic(errorsmod.Wrap(types.ErrExecuteFailed, res.Err))
|
|
}
|
|
|
|
sdkCtx.EventManager().EmitEvent(sdk.NewEvent(
|
|
types.EventTypeSudo,
|
|
sdk.NewAttribute(types.AttributeKeyContractAddr, contractAddress.String()),
|
|
))
|
|
|
|
// sudo submessages are executed with the default authorization policy
|
|
data, err := k.handleContractResponse(sdkCtx, contractAddress, contractInfo.IBCPortID, res.Ok.Messages, res.Ok.Attributes, res.Ok.Data, res.Ok.Events)
|
|
if err != nil {
|
|
return nil, errorsmod.Wrap(err, "dispatch")
|
|
}
|
|
|
|
return data, nil
|
|
}
|
|
|
|
// reply is only called from keeper internal functions (dispatchSubmessages) after processing the submessage
|
|
func (k Keeper) reply(ctx sdk.Context, contractAddress sdk.AccAddress, reply wasmvmtypes.Reply) ([]byte, error) {
|
|
contractInfo, codeInfo, prefixStore, err := k.contractInstance(ctx, contractAddress)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
replyCosts := k.gasRegister.ReplyCosts(true, reply)
|
|
ctx.GasMeter().ConsumeGas(replyCosts, "Loading CosmWasm module: reply")
|
|
|
|
env := types.NewEnv(ctx, contractAddress)
|
|
|
|
// prepare querier
|
|
querier := k.newQueryHandler(ctx, contractAddress)
|
|
gasLeft := k.runtimeGasForContract(ctx)
|
|
|
|
res, gasUsed, execErr := k.wasmVM.Reply(codeInfo.CodeHash, env, reply, prefixStore, cosmwasmAPI, querier, k.gasMeter(ctx), gasLeft, costJSONDeserialization)
|
|
k.consumeRuntimeGas(ctx, gasUsed)
|
|
if execErr != nil {
|
|
return nil, errorsmod.Wrap(types.ErrVMError, execErr.Error())
|
|
}
|
|
if res == nil {
|
|
// If this gets executed, that's a bug in wasmvm
|
|
return nil, errorsmod.Wrap(types.ErrVMError, "internal wasmvm error")
|
|
}
|
|
if res.Err != "" {
|
|
return nil, types.MarkErrorDeterministic(errorsmod.Wrap(types.ErrExecuteFailed, res.Err))
|
|
}
|
|
|
|
ctx.EventManager().EmitEvent(sdk.NewEvent(
|
|
types.EventTypeReply,
|
|
sdk.NewAttribute(types.AttributeKeyContractAddr, contractAddress.String()),
|
|
))
|
|
|
|
data, err := k.handleContractResponse(ctx, contractAddress, contractInfo.IBCPortID, res.Ok.Messages, res.Ok.Attributes, res.Ok.Data, res.Ok.Events)
|
|
if err != nil {
|
|
return nil, errorsmod.Wrap(err, "dispatch")
|
|
}
|
|
|
|
return data, nil
|
|
}
|
|
|
|
// addToContractCodeSecondaryIndex adds element to the index for contracts-by-codeid queries
|
|
func (k Keeper) addToContractCodeSecondaryIndex(ctx context.Context, contractAddress sdk.AccAddress, entry types.ContractCodeHistoryEntry) error {
|
|
store := k.storeService.OpenKVStore(ctx)
|
|
return store.Set(types.GetContractByCreatedSecondaryIndexKey(contractAddress, entry), []byte{})
|
|
}
|
|
|
|
// removeFromContractCodeSecondaryIndex removes element to the index for contracts-by-codeid queries
|
|
func (k Keeper) removeFromContractCodeSecondaryIndex(ctx context.Context, contractAddress sdk.AccAddress, entry types.ContractCodeHistoryEntry) error {
|
|
return k.storeService.OpenKVStore(ctx).Delete(types.GetContractByCreatedSecondaryIndexKey(contractAddress, entry))
|
|
}
|
|
|
|
// addToContractCreatorSecondaryIndex adds element to the index for contracts-by-creator queries
|
|
func (k Keeper) addToContractCreatorSecondaryIndex(ctx context.Context, creatorAddress sdk.AccAddress, position *types.AbsoluteTxPosition, contractAddress sdk.AccAddress) error {
|
|
store := k.storeService.OpenKVStore(ctx)
|
|
return store.Set(types.GetContractByCreatorSecondaryIndexKey(creatorAddress, position.Bytes(), contractAddress), []byte{})
|
|
}
|
|
|
|
// IterateContractsByCreator iterates over all contracts with given creator address in order of creation time asc.
|
|
func (k Keeper) IterateContractsByCreator(ctx context.Context, creator sdk.AccAddress, cb func(address sdk.AccAddress) bool) {
|
|
prefixStore := prefix.NewStore(runtime.KVStoreAdapter(k.storeService.OpenKVStore(ctx)), types.GetContractsByCreatorPrefix(creator))
|
|
for iter := prefixStore.Iterator(nil, nil); iter.Valid(); iter.Next() {
|
|
key := iter.Key()
|
|
if cb(key[types.AbsoluteTxPositionLen:]) {
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
// IterateContractsByCode iterates over all contracts with given codeID ASC on code update time.
|
|
func (k Keeper) IterateContractsByCode(ctx context.Context, codeID uint64, cb func(address sdk.AccAddress) bool) {
|
|
prefixStore := prefix.NewStore(runtime.KVStoreAdapter(k.storeService.OpenKVStore(ctx)), types.GetContractByCodeIDSecondaryIndexPrefix(codeID))
|
|
iter := prefixStore.Iterator(nil, nil)
|
|
defer iter.Close()
|
|
|
|
for ; iter.Valid(); iter.Next() {
|
|
key := iter.Key()
|
|
if cb(key[types.AbsoluteTxPositionLen:]) {
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
func (k Keeper) setContractAdmin(ctx context.Context, contractAddress, caller, newAdmin sdk.AccAddress, authZ types.AuthorizationPolicy) error {
|
|
sdkCtx := sdk.UnwrapSDKContext(ctx)
|
|
contractInfo := k.GetContractInfo(sdkCtx, contractAddress)
|
|
if contractInfo == nil {
|
|
return errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "unknown contract")
|
|
}
|
|
if !authZ.CanModifyContract(contractInfo.AdminAddr(), caller) {
|
|
return errorsmod.Wrap(sdkerrors.ErrUnauthorized, "can not modify contract")
|
|
}
|
|
newAdminStr := newAdmin.String()
|
|
contractInfo.Admin = newAdminStr
|
|
k.mustStoreContractInfo(sdkCtx, contractAddress, contractInfo)
|
|
sdkCtx.EventManager().EmitEvent(sdk.NewEvent(
|
|
types.EventTypeUpdateContractAdmin,
|
|
sdk.NewAttribute(types.AttributeKeyContractAddr, contractAddress.String()),
|
|
sdk.NewAttribute(types.AttributeKeyNewAdmin, newAdminStr),
|
|
))
|
|
|
|
return nil
|
|
}
|
|
|
|
func (k Keeper) setContractLabel(ctx context.Context, contractAddress, caller sdk.AccAddress, newLabel string, authZ types.AuthorizationPolicy) error {
|
|
sdkCtx := sdk.UnwrapSDKContext(ctx)
|
|
contractInfo := k.GetContractInfo(sdkCtx, contractAddress)
|
|
if contractInfo == nil {
|
|
return errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "unknown contract")
|
|
}
|
|
if !authZ.CanModifyContract(contractInfo.AdminAddr(), caller) {
|
|
return errorsmod.Wrap(sdkerrors.ErrUnauthorized, "can not modify contract")
|
|
}
|
|
contractInfo.Label = newLabel
|
|
k.mustStoreContractInfo(sdkCtx, contractAddress, contractInfo)
|
|
sdkCtx.EventManager().EmitEvent(sdk.NewEvent(
|
|
types.EventTypeUpdateContractLabel,
|
|
sdk.NewAttribute(types.AttributeKeyContractAddr, contractAddress.String()),
|
|
sdk.NewAttribute(types.AttributeKeyNewLabel, newLabel),
|
|
))
|
|
|
|
return nil
|
|
}
|
|
|
|
func (k Keeper) appendToContractHistory(ctx context.Context, contractAddr sdk.AccAddress, newEntries ...types.ContractCodeHistoryEntry) error {
|
|
store := k.storeService.OpenKVStore(ctx)
|
|
// find last element position
|
|
var pos uint64
|
|
prefixStore := prefix.NewStore(runtime.KVStoreAdapter(store), types.GetContractCodeHistoryElementPrefix(contractAddr))
|
|
iter := prefixStore.ReverseIterator(nil, nil)
|
|
defer iter.Close()
|
|
|
|
for ; iter.Valid(); iter.Next() {
|
|
if len(iter.Key()) == 8 { // add extra safety in a mixed contract length environment
|
|
pos = sdk.BigEndianToUint64(iter.Key())
|
|
break
|
|
}
|
|
}
|
|
// then store with incrementing position
|
|
for _, e := range newEntries {
|
|
pos++
|
|
key := types.GetContractCodeHistoryElementKey(contractAddr, pos)
|
|
if err := store.Set(key, k.cdc.MustMarshal(&e)); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (k Keeper) GetContractHistory(ctx context.Context, contractAddr sdk.AccAddress) []types.ContractCodeHistoryEntry {
|
|
prefixStore := prefix.NewStore(runtime.KVStoreAdapter(k.storeService.OpenKVStore(ctx)), types.GetContractCodeHistoryElementPrefix(contractAddr))
|
|
r := make([]types.ContractCodeHistoryEntry, 0)
|
|
iter := prefixStore.Iterator(nil, nil)
|
|
defer iter.Close()
|
|
|
|
for ; iter.Valid(); iter.Next() {
|
|
if len(iter.Key()) != 8 { // add extra safety in a mixed contract length environment
|
|
continue
|
|
}
|
|
|
|
var e types.ContractCodeHistoryEntry
|
|
k.cdc.MustUnmarshal(iter.Value(), &e)
|
|
r = append(r, e)
|
|
}
|
|
return r
|
|
}
|
|
|
|
// mustGetLastContractHistoryEntry returns the last element from history. To be used internally only as it panics when none exists
|
|
func (k Keeper) mustGetLastContractHistoryEntry(ctx context.Context, contractAddr sdk.AccAddress) types.ContractCodeHistoryEntry {
|
|
prefixStore := prefix.NewStore(runtime.KVStoreAdapter(k.storeService.OpenKVStore(ctx)), types.GetContractCodeHistoryElementPrefix(contractAddr))
|
|
iter := prefixStore.ReverseIterator(nil, nil)
|
|
defer iter.Close()
|
|
|
|
var r types.ContractCodeHistoryEntry
|
|
for ; iter.Valid(); iter.Next() {
|
|
if len(iter.Key()) == 8 { // add extra safety in a mixed contract length environment
|
|
k.cdc.MustUnmarshal(iter.Value(), &r)
|
|
return r
|
|
}
|
|
}
|
|
// all contracts have a history
|
|
panic(fmt.Sprintf("no history for %s", contractAddr.String()))
|
|
}
|
|
|
|
// QuerySmart queries the smart contract itself.
|
|
func (k Keeper) QuerySmart(ctx context.Context, contractAddr sdk.AccAddress, req []byte) ([]byte, error) {
|
|
defer telemetry.MeasureSince(time.Now(), "wasm", "contract", "query-smart")
|
|
|
|
// checks and increase query stack size
|
|
sdkCtx, err := checkAndIncreaseQueryStackSize(sdk.UnwrapSDKContext(ctx), k.maxQueryStackSize)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
contractInfo, codeInfo, prefixStore, err := k.contractInstance(sdkCtx, contractAddr)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
sdkCtx, discount := k.checkDiscountEligibility(sdkCtx, codeInfo.CodeHash, k.IsPinnedCode(ctx, contractInfo.CodeID))
|
|
setupCost := k.gasRegister.SetupContractCost(discount, len(req))
|
|
sdkCtx.GasMeter().ConsumeGas(setupCost, "Loading CosmWasm module: query")
|
|
|
|
// prepare querier
|
|
querier := k.newQueryHandler(sdkCtx, contractAddr)
|
|
|
|
env := types.NewEnv(sdkCtx, contractAddr)
|
|
queryResult, gasUsed, qErr := k.wasmVM.Query(codeInfo.CodeHash, env, req, prefixStore, cosmwasmAPI, querier, k.gasMeter(sdkCtx), k.runtimeGasForContract(sdkCtx), costJSONDeserialization)
|
|
k.consumeRuntimeGas(sdkCtx, gasUsed)
|
|
if qErr != nil {
|
|
return nil, errorsmod.Wrap(types.ErrVMError, qErr.Error())
|
|
}
|
|
if queryResult.Err != "" {
|
|
return nil, types.MarkErrorDeterministic(errorsmod.Wrap(types.ErrQueryFailed, queryResult.Err))
|
|
}
|
|
return queryResult.Ok, nil
|
|
}
|
|
|
|
func checkAndIncreaseQueryStackSize(ctx context.Context, maxQueryStackSize uint32) (sdk.Context, error) {
|
|
var queryStackSize uint32 = 0
|
|
if size, ok := types.QueryStackSize(ctx); ok {
|
|
queryStackSize = size
|
|
}
|
|
|
|
// increase
|
|
queryStackSize++
|
|
|
|
// did we go too far?
|
|
if queryStackSize > maxQueryStackSize {
|
|
return sdk.Context{}, types.ErrExceedMaxQueryStackSize
|
|
}
|
|
|
|
// set updated stack size
|
|
return types.WithQueryStackSize(sdk.UnwrapSDKContext(ctx), queryStackSize), nil
|
|
}
|
|
|
|
func checkAndIncreaseCallDepth(ctx context.Context, maxCallDepth uint32) (sdk.Context, error) {
|
|
var callDepth uint32 = 0
|
|
if size, ok := types.CallDepth(ctx); ok {
|
|
callDepth = size
|
|
}
|
|
|
|
// increase
|
|
callDepth++
|
|
|
|
// did we go too far?
|
|
if callDepth > maxCallDepth {
|
|
return sdk.Context{}, types.ErrExceedMaxCallDepth
|
|
}
|
|
|
|
// set updated stack size
|
|
return types.WithCallDepth(sdk.UnwrapSDKContext(ctx), callDepth), nil
|
|
}
|
|
|
|
// QueryRaw returns the contract's state for give key. Returns `nil` when key is `nil`.
|
|
func (k Keeper) QueryRaw(ctx context.Context, contractAddress sdk.AccAddress, key []byte) []byte {
|
|
defer telemetry.MeasureSince(time.Now(), "wasm", "contract", "query-raw")
|
|
if key == nil {
|
|
return nil
|
|
}
|
|
prefixStoreKey := types.GetContractStorePrefix(contractAddress)
|
|
prefixStore := prefix.NewStore(runtime.KVStoreAdapter(k.storeService.OpenKVStore(ctx)), prefixStoreKey)
|
|
return prefixStore.Get(key)
|
|
}
|
|
|
|
// internal helper function
|
|
func (k Keeper) contractInstance(ctx context.Context, contractAddress sdk.AccAddress) (types.ContractInfo, types.CodeInfo, wasmvm.KVStore, error) {
|
|
store := k.storeService.OpenKVStore(ctx)
|
|
|
|
contractBz, err := store.Get(types.GetContractAddressKey(contractAddress))
|
|
if err != nil {
|
|
return types.ContractInfo{}, types.CodeInfo{}, nil, err
|
|
}
|
|
if contractBz == nil {
|
|
return types.ContractInfo{}, types.CodeInfo{}, nil, types.ErrNoSuchContractFn(contractAddress.String()).
|
|
Wrapf("address %s", contractAddress.String())
|
|
}
|
|
var contractInfo types.ContractInfo
|
|
k.cdc.MustUnmarshal(contractBz, &contractInfo)
|
|
|
|
codeInfoBz, err := store.Get(types.GetCodeKey(contractInfo.CodeID))
|
|
if err != nil {
|
|
return types.ContractInfo{}, types.CodeInfo{}, nil, err
|
|
}
|
|
|
|
if codeInfoBz == nil {
|
|
return contractInfo, types.CodeInfo{}, nil, types.ErrNoSuchCodeFn(contractInfo.CodeID).
|
|
Wrapf("code id %d", contractInfo.CodeID)
|
|
}
|
|
var codeInfo types.CodeInfo
|
|
k.cdc.MustUnmarshal(codeInfoBz, &codeInfo)
|
|
prefixStoreKey := types.GetContractStorePrefix(contractAddress)
|
|
prefixStore := prefix.NewStore(runtime.KVStoreAdapter(k.storeService.OpenKVStore(ctx)), prefixStoreKey)
|
|
return contractInfo, codeInfo, types.NewStoreAdapter(prefixStore), nil
|
|
}
|
|
|
|
func (k Keeper) LoadAsyncAckPacket(ctx context.Context, portID, channelID string, sequence uint64) (channeltypes.Packet, error) {
|
|
prefixStore, key := k.getAsyncAckStoreAndKey(ctx, portID, channelID, sequence)
|
|
|
|
packetBz := prefixStore.Get(key)
|
|
|
|
if len(packetBz) == 0 {
|
|
return channeltypes.Packet{}, types.ErrNotFound.Wrap("packet")
|
|
}
|
|
|
|
var packet channeltypes.Packet
|
|
// unmarshal packet
|
|
if err := k.cdc.Unmarshal(packetBz, &packet); err != nil {
|
|
return channeltypes.Packet{}, err
|
|
}
|
|
|
|
return packet, nil
|
|
}
|
|
|
|
func (k Keeper) StoreAsyncAckPacket(ctx context.Context, packet channeltypes.Packet) error {
|
|
prefixStore, key := k.getAsyncAckStoreAndKey(ctx, packet.DestinationPort, packet.DestinationChannel, packet.Sequence)
|
|
|
|
packetBz, err := k.cdc.Marshal(&packet)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
prefixStore.Set(key, packetBz)
|
|
return nil
|
|
}
|
|
|
|
func (k Keeper) DeleteAsyncAckPacket(ctx context.Context, portID, channelID string, sequence uint64) {
|
|
prefixStore, key := k.getAsyncAckStoreAndKey(ctx, portID, channelID, sequence)
|
|
prefixStore.Delete(key)
|
|
}
|
|
|
|
func (k Keeper) getAsyncAckStoreAndKey(ctx context.Context, portID, channelID string, sequence uint64) (prefix.Store, []byte) {
|
|
// packets are stored under the destination port
|
|
prefixStoreKey := types.GetAsyncAckStorePrefix(portID)
|
|
prefixStore := prefix.NewStore(runtime.KVStoreAdapter(k.storeService.OpenKVStore(ctx)), prefixStoreKey)
|
|
key := types.GetAsyncPacketKey(channelID, sequence)
|
|
return prefixStore, key
|
|
}
|
|
|
|
func (k Keeper) GetContractInfo(ctx context.Context, contractAddress sdk.AccAddress) *types.ContractInfo {
|
|
store := k.storeService.OpenKVStore(ctx)
|
|
var contract types.ContractInfo
|
|
contractBz, err := store.Get(types.GetContractAddressKey(contractAddress))
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
if contractBz == nil {
|
|
return nil
|
|
}
|
|
k.cdc.MustUnmarshal(contractBz, &contract)
|
|
return &contract
|
|
}
|
|
|
|
func (k Keeper) HasContractInfo(ctx context.Context, contractAddress sdk.AccAddress) bool {
|
|
store := k.storeService.OpenKVStore(ctx)
|
|
ok, err := store.Has(types.GetContractAddressKey(contractAddress))
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return ok
|
|
}
|
|
|
|
// mustStoreContractInfo persists the ContractInfo. No secondary index updated here.
|
|
func (k Keeper) mustStoreContractInfo(ctx context.Context, contractAddress sdk.AccAddress, contract *types.ContractInfo) {
|
|
store := k.storeService.OpenKVStore(ctx)
|
|
err := store.Set(types.GetContractAddressKey(contractAddress), k.cdc.MustMarshal(contract))
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
func (k Keeper) IterateContractInfo(ctx context.Context, cb func(sdk.AccAddress, types.ContractInfo) bool) {
|
|
prefixStore := prefix.NewStore(runtime.KVStoreAdapter(k.storeService.OpenKVStore(ctx)), types.ContractKeyPrefix)
|
|
iter := prefixStore.Iterator(nil, nil)
|
|
defer iter.Close()
|
|
|
|
for ; iter.Valid(); iter.Next() {
|
|
var contract types.ContractInfo
|
|
k.cdc.MustUnmarshal(iter.Value(), &contract)
|
|
// cb returns true to stop early
|
|
if cb(iter.Key(), contract) {
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
// IterateContractState iterates through all elements of the key value store for the given contract address and passes
|
|
// them to the provided callback function. The callback method can return true to abort early.
|
|
func (k Keeper) IterateContractState(ctx context.Context, contractAddress sdk.AccAddress, cb func(key, value []byte) bool) {
|
|
prefixStoreKey := types.GetContractStorePrefix(contractAddress)
|
|
prefixStore := prefix.NewStore(runtime.KVStoreAdapter(k.storeService.OpenKVStore(ctx)), prefixStoreKey)
|
|
iter := prefixStore.Iterator(nil, nil)
|
|
defer iter.Close()
|
|
|
|
for ; iter.Valid(); iter.Next() {
|
|
if cb(iter.Key(), iter.Value()) {
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
func (k Keeper) importContractState(ctx context.Context, contractAddress sdk.AccAddress, models []types.Model) error {
|
|
prefixStoreKey := types.GetContractStorePrefix(contractAddress)
|
|
prefixStore := prefix.NewStore(runtime.KVStoreAdapter(k.storeService.OpenKVStore(ctx)), prefixStoreKey)
|
|
for _, model := range models {
|
|
if model.Value == nil {
|
|
model.Value = []byte{}
|
|
}
|
|
if prefixStore.Has(model.Key) {
|
|
return errorsmod.Wrapf(types.ErrDuplicate, "duplicate key: %x", model.Key)
|
|
}
|
|
prefixStore.Set(model.Key, model.Value)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (k Keeper) GetCodeInfo(ctx context.Context, codeID uint64) *types.CodeInfo {
|
|
store := k.storeService.OpenKVStore(ctx)
|
|
var codeInfo types.CodeInfo
|
|
codeInfoBz, err := store.Get(types.GetCodeKey(codeID))
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
if codeInfoBz == nil {
|
|
return nil
|
|
}
|
|
k.cdc.MustUnmarshal(codeInfoBz, &codeInfo)
|
|
return &codeInfo
|
|
}
|
|
|
|
func (k Keeper) containsCodeInfo(ctx context.Context, codeID uint64) bool {
|
|
store := k.storeService.OpenKVStore(ctx)
|
|
ok, err := store.Has(types.GetCodeKey(codeID))
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return ok
|
|
}
|
|
|
|
func (k Keeper) IterateCodeInfos(ctx context.Context, cb func(uint64, types.CodeInfo) bool) {
|
|
prefixStore := prefix.NewStore(runtime.KVStoreAdapter(k.storeService.OpenKVStore(ctx)), types.CodeKeyPrefix)
|
|
iter := prefixStore.Iterator(nil, nil)
|
|
defer iter.Close()
|
|
|
|
for ; iter.Valid(); iter.Next() {
|
|
var c types.CodeInfo
|
|
k.cdc.MustUnmarshal(iter.Value(), &c)
|
|
// cb returns true to stop early
|
|
if cb(binary.BigEndian.Uint64(iter.Key()), c) {
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
func (k Keeper) GetByteCode(ctx context.Context, codeID uint64) ([]byte, error) {
|
|
store := k.storeService.OpenKVStore(ctx)
|
|
var codeInfo types.CodeInfo
|
|
codeInfoBz, err := store.Get(types.GetCodeKey(codeID))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if codeInfoBz == nil {
|
|
return nil, nil
|
|
}
|
|
k.cdc.MustUnmarshal(codeInfoBz, &codeInfo)
|
|
return k.wasmVM.GetCode(codeInfo.CodeHash)
|
|
}
|
|
|
|
// PinCode pins the wasm contract in wasmvm cache
|
|
func (k Keeper) pinCode(ctx context.Context, codeID uint64) error {
|
|
codeInfo := k.GetCodeInfo(ctx, codeID)
|
|
if codeInfo == nil {
|
|
return types.ErrNoSuchCodeFn(codeID).Wrapf("code id %d", codeID)
|
|
}
|
|
|
|
if err := k.wasmVM.Pin(codeInfo.CodeHash); err != nil {
|
|
return errorsmod.Wrap(types.ErrPinContractFailed, err.Error())
|
|
}
|
|
store := k.storeService.OpenKVStore(ctx)
|
|
// store 1 byte to not run into `nil` debugging issues
|
|
err := store.Set(types.GetPinnedCodeIndexPrefix(codeID), []byte{1})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
sdk.UnwrapSDKContext(ctx).EventManager().EmitEvent(sdk.NewEvent(
|
|
types.EventTypePinCode,
|
|
sdk.NewAttribute(types.AttributeKeyCodeID, strconv.FormatUint(codeID, 10)),
|
|
))
|
|
return nil
|
|
}
|
|
|
|
// UnpinCode removes the wasm contract from wasmvm cache
|
|
func (k Keeper) unpinCode(ctx context.Context, codeID uint64) error {
|
|
codeInfo := k.GetCodeInfo(ctx, codeID)
|
|
if codeInfo == nil {
|
|
return types.ErrNoSuchCodeFn(codeID).Wrapf("code id %d", codeID)
|
|
}
|
|
if err := k.wasmVM.Unpin(codeInfo.CodeHash); err != nil {
|
|
return errorsmod.Wrap(types.ErrUnpinContractFailed, err.Error())
|
|
}
|
|
|
|
store := k.storeService.OpenKVStore(ctx)
|
|
err := store.Delete(types.GetPinnedCodeIndexPrefix(codeID))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
sdk.UnwrapSDKContext(ctx).EventManager().EmitEvent(sdk.NewEvent(
|
|
types.EventTypeUnpinCode,
|
|
sdk.NewAttribute(types.AttributeKeyCodeID, strconv.FormatUint(codeID, 10)),
|
|
))
|
|
return nil
|
|
}
|
|
|
|
// IsPinnedCode returns true when codeID is pinned in wasmvm cache
|
|
func (k Keeper) IsPinnedCode(ctx context.Context, codeID uint64) bool {
|
|
store := k.storeService.OpenKVStore(ctx)
|
|
ok, err := store.Has(types.GetPinnedCodeIndexPrefix(codeID))
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return ok
|
|
}
|
|
|
|
func (k Keeper) checkDiscountEligibility(ctx sdk.Context, checksum []byte, isPinned bool) (sdk.Context, bool) {
|
|
if isPinned {
|
|
return ctx, true
|
|
}
|
|
|
|
txContracts, ok := types.TxContractsFromContext(ctx)
|
|
if !ok || txContracts.GetContracts() == nil {
|
|
return ctx, false
|
|
} else if txContracts.Exists(checksum) {
|
|
return ctx, true
|
|
}
|
|
|
|
txContracts.AddContract(checksum)
|
|
return types.WithTxContracts(ctx, txContracts), false
|
|
}
|
|
|
|
// InitializePinnedCodes updates wasmvm to pin to cache all contracts marked as pinned
|
|
func (k Keeper) InitializePinnedCodes(ctx context.Context) error {
|
|
store := prefix.NewStore(runtime.KVStoreAdapter(k.storeService.OpenKVStore(ctx)), types.PinnedCodeIndexPrefix)
|
|
iter := store.Iterator(nil, nil)
|
|
defer iter.Close()
|
|
|
|
for ; iter.Valid(); iter.Next() {
|
|
codeID := types.ParsePinnedCodeIndex(iter.Key())
|
|
codeInfo := k.GetCodeInfo(ctx, codeID)
|
|
if codeInfo == nil {
|
|
return types.ErrNoSuchCodeFn(codeID).Wrapf("code id %d", codeID)
|
|
}
|
|
if err := k.wasmVM.Pin(codeInfo.CodeHash); err != nil {
|
|
return errorsmod.Wrap(types.ErrPinContractFailed, err.Error())
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// setContractInfoExtension updates the extension point data that is stored with the contract info
|
|
func (k Keeper) setContractInfoExtension(ctx context.Context, contractAddr sdk.AccAddress, ext types.ContractInfoExtension) error {
|
|
info := k.GetContractInfo(ctx, contractAddr)
|
|
if info == nil {
|
|
return types.ErrNoSuchContractFn(contractAddr.String()).
|
|
Wrapf("address %s", contractAddr.String())
|
|
}
|
|
if err := info.SetExtension(ext); err != nil {
|
|
return err
|
|
}
|
|
k.mustStoreContractInfo(ctx, contractAddr, info)
|
|
return nil
|
|
}
|
|
|
|
// setAccessConfig updates the access config of a code id.
|
|
func (k Keeper) setAccessConfig(ctx context.Context, codeID uint64, caller sdk.AccAddress, newConfig types.AccessConfig, authz types.AuthorizationPolicy) error {
|
|
info := k.GetCodeInfo(ctx, codeID)
|
|
if info == nil {
|
|
return types.ErrNoSuchCodeFn(codeID).Wrapf("code id %d", codeID)
|
|
}
|
|
isSubset := newConfig.Permission.IsSubset(k.getInstantiateAccessConfig(ctx))
|
|
if !authz.CanModifyCodeAccessConfig(sdk.MustAccAddressFromBech32(info.Creator), caller, isSubset) {
|
|
return errorsmod.Wrap(sdkerrors.ErrUnauthorized, "can not modify code access config")
|
|
}
|
|
|
|
info.InstantiateConfig = newConfig
|
|
k.mustStoreCodeInfo(ctx, codeID, *info)
|
|
evt := sdk.NewEvent(
|
|
types.EventTypeUpdateCodeAccessConfig,
|
|
sdk.NewAttribute(types.AttributeKeyCodePermission, newConfig.Permission.String()),
|
|
sdk.NewAttribute(types.AttributeKeyCodeID, strconv.FormatUint(codeID, 10)),
|
|
)
|
|
if addrs := newConfig.AllAuthorizedAddresses(); len(addrs) != 0 {
|
|
attr := sdk.NewAttribute(types.AttributeKeyAuthorizedAddresses, strings.Join(addrs, ","))
|
|
evt.Attributes = append(evt.Attributes, attr.ToKVPair())
|
|
}
|
|
sdk.UnwrapSDKContext(ctx).EventManager().EmitEvent(evt)
|
|
return nil
|
|
}
|
|
|
|
// handleContractResponse processes the contract response data by emitting events and sending sub-/messages.
|
|
func (k *Keeper) handleContractResponse(
|
|
ctx sdk.Context,
|
|
contractAddr sdk.AccAddress,
|
|
ibcPort string,
|
|
msgs []wasmvmtypes.SubMsg,
|
|
attrs []wasmvmtypes.EventAttribute,
|
|
data []byte,
|
|
evts wasmvmtypes.Array[wasmvmtypes.Event],
|
|
) ([]byte, error) {
|
|
attributeGasCost := k.gasRegister.EventCosts(attrs, evts)
|
|
ctx.GasMeter().ConsumeGas(attributeGasCost, "Custom contract event attributes")
|
|
// emit all events from this contract itself
|
|
if len(attrs) != 0 {
|
|
wasmEvents, err := newWasmModuleEvent(attrs, contractAddr)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
ctx.EventManager().EmitEvents(wasmEvents)
|
|
}
|
|
if len(evts) > 0 {
|
|
customEvents, err := newCustomEvents(evts, contractAddr)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
ctx.EventManager().EmitEvents(customEvents)
|
|
}
|
|
return k.wasmVMResponseHandler.Handle(ctx, contractAddr, ibcPort, msgs, data)
|
|
}
|
|
|
|
func (k Keeper) runtimeGasForContract(ctx sdk.Context) uint64 {
|
|
meter := ctx.GasMeter()
|
|
if meter.IsOutOfGas() {
|
|
return 0
|
|
}
|
|
if meter.Limit() == math.MaxUint64 { // infinite gas meter and not out of gas
|
|
return math.MaxUint64
|
|
}
|
|
return k.gasRegister.ToWasmVMGas(meter.Limit() - meter.GasConsumedToLimit())
|
|
}
|
|
|
|
func (k Keeper) consumeRuntimeGas(ctx sdk.Context, gas uint64) {
|
|
consumed := k.gasRegister.FromWasmVMGas(gas)
|
|
ctx.GasMeter().ConsumeGas(consumed, "wasm contract")
|
|
// throw OutOfGas error if we ran out (got exactly to zero due to better limit enforcing)
|
|
if ctx.GasMeter().IsOutOfGas() {
|
|
panic(storetypes.ErrorOutOfGas{Descriptor: "Wasm engine function execution"})
|
|
}
|
|
}
|
|
|
|
func (k Keeper) mustAutoIncrementID(ctx context.Context, sequenceKey []byte) uint64 {
|
|
store := k.storeService.OpenKVStore(ctx)
|
|
bz, err := store.Get(sequenceKey)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
id := uint64(1)
|
|
if bz != nil {
|
|
id = binary.BigEndian.Uint64(bz)
|
|
}
|
|
bz = sdk.Uint64ToBigEndian(id + 1)
|
|
err = store.Set(sequenceKey, bz)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return id
|
|
}
|
|
|
|
// PeekAutoIncrementID reads the current value without incrementing it.
|
|
func (k Keeper) PeekAutoIncrementID(ctx context.Context, sequenceKey []byte) (uint64, error) {
|
|
store := k.storeService.OpenKVStore(ctx)
|
|
bz, err := store.Get(sequenceKey)
|
|
if err != nil {
|
|
return 0, errorsmod.Wrap(err, "sequence key")
|
|
}
|
|
id := uint64(1)
|
|
if bz != nil {
|
|
id = binary.BigEndian.Uint64(bz)
|
|
}
|
|
return id, nil
|
|
}
|
|
|
|
func (k Keeper) importAutoIncrementID(ctx context.Context, sequenceKey []byte, val uint64) error {
|
|
store := k.storeService.OpenKVStore(ctx)
|
|
ok, err := store.Has(sequenceKey)
|
|
if err != nil {
|
|
return errorsmod.Wrap(err, "sequence key")
|
|
}
|
|
if ok {
|
|
return errorsmod.Wrapf(types.ErrDuplicate, "autoincrement id: %s", string(sequenceKey))
|
|
}
|
|
bz := sdk.Uint64ToBigEndian(val)
|
|
return store.Set(sequenceKey, bz)
|
|
}
|
|
|
|
func (k Keeper) importContract(ctx context.Context, contractAddr sdk.AccAddress, c *types.ContractInfo, state []types.Model, historyEntries []types.ContractCodeHistoryEntry) error {
|
|
if !k.containsCodeInfo(ctx, c.CodeID) {
|
|
return types.ErrNoSuchCodeFn(c.CodeID).Wrapf("code id %d", c.CodeID)
|
|
}
|
|
if k.HasContractInfo(ctx, contractAddr) {
|
|
return errorsmod.Wrapf(types.ErrDuplicate, "contract: %s", contractAddr)
|
|
}
|
|
if len(historyEntries) == 0 {
|
|
return types.ErrEmpty.Wrap("contract history")
|
|
}
|
|
|
|
creatorAddress, err := sdk.AccAddressFromBech32(c.Creator)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
err = k.appendToContractHistory(ctx, contractAddr, historyEntries...)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
k.mustStoreContractInfo(ctx, contractAddr, c)
|
|
err = k.addToContractCodeSecondaryIndex(ctx, contractAddr, historyEntries[len(historyEntries)-1])
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = k.addToContractCreatorSecondaryIndex(ctx, creatorAddress, historyEntries[0].Updated, contractAddr)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return k.importContractState(ctx, contractAddr, state)
|
|
}
|
|
|
|
func (k Keeper) newQueryHandler(ctx sdk.Context, contractAddress sdk.AccAddress) QueryHandler {
|
|
return NewQueryHandler(ctx, k.wasmVMQueryHandler, contractAddress, k.gasRegister)
|
|
}
|
|
|
|
// MultipliedGasMeter wraps the GasMeter from context and multiplies all reads by out defined multiplier
|
|
type MultipliedGasMeter struct {
|
|
originalMeter storetypes.GasMeter
|
|
GasRegister types.GasRegister
|
|
}
|
|
|
|
func NewMultipliedGasMeter(originalMeter storetypes.GasMeter, gr types.GasRegister) MultipliedGasMeter {
|
|
return MultipliedGasMeter{originalMeter: originalMeter, GasRegister: gr}
|
|
}
|
|
|
|
var _ wasmvm.GasMeter = MultipliedGasMeter{}
|
|
|
|
func (m MultipliedGasMeter) GasConsumed() storetypes.Gas {
|
|
return m.GasRegister.ToWasmVMGas(m.originalMeter.GasConsumed())
|
|
}
|
|
|
|
func (k Keeper) gasMeter(ctx sdk.Context) MultipliedGasMeter {
|
|
return NewMultipliedGasMeter(ctx.GasMeter(), k.gasRegister)
|
|
}
|
|
|
|
// Logger returns a module-specific logger.
|
|
func (k Keeper) Logger(ctx sdk.Context) log.Logger {
|
|
return moduleLogger(ctx)
|
|
}
|
|
|
|
func moduleLogger(ctx sdk.Context) log.Logger {
|
|
return ctx.Logger().With("module", fmt.Sprintf("x/%s", types.ModuleName))
|
|
}
|
|
|
|
// Querier creates a new grpc querier instance
|
|
func Querier(k *Keeper) *GrpcQuerier {
|
|
return NewGrpcQuerier(k.cdc, k.storeService, k, k.queryGasLimit)
|
|
}
|
|
|
|
// QueryGasLimit returns the gas limit for smart queries.
|
|
func (k Keeper) QueryGasLimit() storetypes.Gas {
|
|
return k.queryGasLimit
|
|
}
|
|
|
|
// BankCoinTransferrer replicates the cosmos-sdk behavior as in
|
|
// https://github.com/cosmos/cosmos-sdk/blob/v0.41.4/x/bank/keeper/msg_server.go#L26
|
|
type BankCoinTransferrer struct {
|
|
keeper types.BankKeeper
|
|
}
|
|
|
|
func NewBankCoinTransferrer(keeper types.BankKeeper) BankCoinTransferrer {
|
|
return BankCoinTransferrer{
|
|
keeper: keeper,
|
|
}
|
|
}
|
|
|
|
// TransferCoins transfers coins from source to destination account when coin send was enabled for them and the recipient
|
|
// is not in the blocked address list.
|
|
func (c BankCoinTransferrer) TransferCoins(parentCtx sdk.Context, fromAddr, toAddr sdk.AccAddress, amount sdk.Coins) error {
|
|
em := sdk.NewEventManager()
|
|
ctx := parentCtx.WithEventManager(em)
|
|
if err := c.keeper.IsSendEnabledCoins(ctx, amount...); err != nil {
|
|
return err
|
|
}
|
|
if c.keeper.BlockedAddr(toAddr) {
|
|
return errorsmod.Wrapf(sdkerrors.ErrUnauthorized, "%s is not allowed to receive funds", toAddr.String())
|
|
}
|
|
|
|
sdkerr := c.keeper.SendCoins(ctx, fromAddr, toAddr, amount)
|
|
if sdkerr != nil {
|
|
return sdkerr
|
|
}
|
|
for _, e := range em.Events() {
|
|
if e.Type == sdk.EventTypeMessage { // skip messages as we talk to the keeper directly
|
|
continue
|
|
}
|
|
parentCtx.EventManager().EmitEvent(e)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
var _ AccountPruner = VestingCoinBurner{}
|
|
|
|
// VestingCoinBurner default implementation for AccountPruner to burn the coins
|
|
type VestingCoinBurner struct {
|
|
bank types.BankKeeper
|
|
}
|
|
|
|
// NewVestingCoinBurner constructor
|
|
func NewVestingCoinBurner(bank types.BankKeeper) VestingCoinBurner {
|
|
if bank == nil {
|
|
panic("bank keeper must not be nil")
|
|
}
|
|
return VestingCoinBurner{bank: bank}
|
|
}
|
|
|
|
// CleanupExistingAccount accepts only vesting account types to burns all their original vesting coin balances.
|
|
// Other account types will be rejected and returned as unhandled.
|
|
func (b VestingCoinBurner) CleanupExistingAccount(ctx sdk.Context, existingAcc sdk.AccountI) (handled bool, err error) {
|
|
v, ok := existingAcc.(vestingexported.VestingAccount)
|
|
if !ok {
|
|
return false, nil
|
|
}
|
|
|
|
ctx = ctx.WithGasMeter(storetypes.NewInfiniteGasMeter())
|
|
coinsToBurn := sdk.NewCoins()
|
|
for _, orig := range v.GetOriginalVesting() { // focus on the coin denoms that were setup originally; getAllBalances has some issues
|
|
coinsToBurn = append(coinsToBurn, b.bank.GetBalance(ctx, existingAcc.GetAddress(), orig.Denom))
|
|
}
|
|
if err := b.bank.SendCoinsFromAccountToModule(ctx, existingAcc.GetAddress(), types.ModuleName, coinsToBurn); err != nil {
|
|
return false, errorsmod.Wrap(err, "prune account balance")
|
|
}
|
|
if err := b.bank.BurnCoins(ctx, types.ModuleName, coinsToBurn); err != nil {
|
|
return false, errorsmod.Wrap(err, "burn account balance")
|
|
}
|
|
return true, nil
|
|
}
|
|
|
|
type msgDispatcher interface {
|
|
DispatchSubmessages(ctx sdk.Context, contractAddr sdk.AccAddress, ibcPort string, msgs []wasmvmtypes.SubMsg) ([]byte, error)
|
|
}
|
|
|
|
// DefaultWasmVMContractResponseHandler default implementation that first dispatches submessage then normal messages.
|
|
// The Submessage execution may include an success/failure response handling by the contract that can overwrite the
|
|
// original
|
|
type DefaultWasmVMContractResponseHandler struct {
|
|
md msgDispatcher
|
|
}
|
|
|
|
func NewDefaultWasmVMContractResponseHandler(md msgDispatcher) *DefaultWasmVMContractResponseHandler {
|
|
return &DefaultWasmVMContractResponseHandler{md: md}
|
|
}
|
|
|
|
// Handle processes the data returned by a contract invocation.
|
|
func (h DefaultWasmVMContractResponseHandler) Handle(ctx sdk.Context, contractAddr sdk.AccAddress, ibcPort string, messages []wasmvmtypes.SubMsg, origRspData []byte) ([]byte, error) {
|
|
result := origRspData
|
|
switch rsp, err := h.md.DispatchSubmessages(ctx, contractAddr, ibcPort, messages); {
|
|
case err != nil:
|
|
return nil, err
|
|
case rsp != nil:
|
|
result = rsp
|
|
}
|
|
return result, nil
|
|
}
|