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evm2cm.go
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evm2cm.go
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package keeper
import (
ethermint "github.com/furyaxyz/fuxchain/app/types"
sdk "github.com/furyaxyz/fuxchain/libs/cosmos-sdk/types"
"github.com/furyaxyz/fuxchain/x/evm/types"
)
// SetSysContractAddress set system contract address to store
func (k *Keeper) SetSysContractAddress(ctx sdk.Context, addr sdk.AccAddress) sdk.Error {
store := k.paramSpace.CustomKVStore(ctx)
key := types.GetSysContractAddressKey()
store.Set(key, addr)
return nil
}
// DelSysContractAddress del system contract address to store
func (k *Keeper) DelSysContractAddress(ctx sdk.Context) sdk.Error {
store := k.paramSpace.CustomKVStore(ctx)
key := types.GetSysContractAddressKey()
store.Delete(key)
return nil
}
func (k *Keeper) GetSysContractAddress(ctx sdk.Context) (sdk.AccAddress, sdk.Error) {
store := k.paramSpace.CustomKVStore(ctx)
key := types.GetSysContractAddressKey()
value := store.Get(key)
if value == nil {
return nil, types.ErrSysContractAddressIsNotExist(types.ErrKeyNotFound)
}
return value, nil
}
func (k *Keeper) IsMatchSysContractAddress(ctx sdk.Context, addr sdk.AccAddress) bool {
iaddr, err := k.GetSysContractAddress(ctx)
if err != nil {
return false
}
return iaddr.Equals(addr)
}
func (k Keeper) IsContractAccount(ctx sdk.Context, addr sdk.AccAddress) bool {
acct := k.accountKeeper.GetAccount(ctx, addr)
if acct == nil {
return false
}
ethAcct, ok := acct.(*ethermint.EthAccount)
if !ok {
return false
}
return ethAcct.IsContract()
}
func querySysContractAddress(ctx sdk.Context, keeper Keeper) ([]byte, sdk.Error) {
res, err := keeper.GetSysContractAddress(ctx)
if err != nil {
return nil, err
}
return res, nil
}