github.com/fibonacci-chain/fbc@v0.0.0-20231124064014-c7636198c1e9/x/wasm/keeper/cache.go (about)

     1  package keeper
     2  
     3  import (
     4  	"sync"
     5  
     6  	"github.com/fibonacci-chain/fbc/x/wasm/types"
     7  )
     8  
     9  var wasmParamsCache = NewCache()
    10  
    11  type Cache struct {
    12  	paramsCache      types.Params
    13  	needParamsUpdate bool
    14  	paramsMutex      sync.RWMutex
    15  
    16  	blockedContractMethodsCache map[string]*types.ContractMethods
    17  	needBlockedUpdate           bool
    18  	blockedMutex                sync.RWMutex
    19  }
    20  
    21  func NewCache() *Cache {
    22  	return &Cache{
    23  		paramsCache:                 types.DefaultParams(),
    24  		blockedContractMethodsCache: make(map[string]*types.ContractMethods, 0),
    25  		needParamsUpdate:            true,
    26  		needBlockedUpdate:           true,
    27  	}
    28  }
    29  
    30  func (c *Cache) UpdateParams(params types.Params) {
    31  	c.paramsMutex.Lock()
    32  	defer c.paramsMutex.Unlock()
    33  	c.paramsCache = params
    34  	c.needParamsUpdate = false
    35  }
    36  
    37  func (c *Cache) SetNeedParamsUpdate() {
    38  	c.paramsMutex.Lock()
    39  	defer c.paramsMutex.Unlock()
    40  	c.needParamsUpdate = true
    41  }
    42  
    43  func (c *Cache) IsNeedParamsUpdate() bool {
    44  	c.paramsMutex.RLock()
    45  	defer c.paramsMutex.RUnlock()
    46  	return c.needParamsUpdate
    47  }
    48  
    49  func (c *Cache) GetParams() types.Params {
    50  	c.paramsMutex.RLock()
    51  	defer c.paramsMutex.RUnlock()
    52  	return types.Params{
    53  		CodeUploadAccess:             c.paramsCache.CodeUploadAccess,
    54  		InstantiateDefaultPermission: c.paramsCache.InstantiateDefaultPermission,
    55  		UseContractBlockedList:       c.paramsCache.UseContractBlockedList,
    56  		VmbridgeEnable:               c.paramsCache.VmbridgeEnable,
    57  	}
    58  }
    59  
    60  func (c *Cache) SetNeedBlockedUpdate() {
    61  	c.blockedMutex.Lock()
    62  	defer c.blockedMutex.Unlock()
    63  	c.needBlockedUpdate = true
    64  }
    65  
    66  func (c *Cache) IsNeedBlockedUpdate() bool {
    67  	c.blockedMutex.RLock()
    68  	defer c.blockedMutex.RUnlock()
    69  	return c.needBlockedUpdate
    70  }
    71  
    72  func (c *Cache) GetBlockedContractMethod(addr string) (contract *types.ContractMethods) {
    73  	c.blockedMutex.RLock()
    74  	bc := c.blockedContractMethodsCache[addr]
    75  	c.blockedMutex.RUnlock()
    76  	return bc
    77  }
    78  
    79  func (c *Cache) UpdateBlockedContractMethod(cms []*types.ContractMethods) {
    80  	c.blockedMutex.Lock()
    81  	c.blockedContractMethodsCache = make(map[string]*types.ContractMethods, len(cms))
    82  	for i, _ := range cms {
    83  		c.blockedContractMethodsCache[cms[i].ContractAddr] = cms[i]
    84  	}
    85  	c.needBlockedUpdate = false
    86  	c.blockedMutex.Unlock()
    87  }
    88  
    89  func GetWasmParamsCache() *Cache {
    90  	return wasmParamsCache
    91  }
    92  
    93  func SetNeedParamsUpdate() {
    94  	GetWasmParamsCache().SetNeedParamsUpdate()
    95  }