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contracts.go
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contracts.go
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package keeper
import (
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
)
func (k Keeper) SetContract(ctx sdk.Context, keyPrefix []byte, contractAddr sdk.AccAddress) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), keyPrefix)
store.Set(contractAddr.Bytes(), []byte{})
}
func (k Keeper) IsContractRegistered(ctx sdk.Context, keyPrefix []byte, contractAddr sdk.AccAddress) bool {
store := prefix.NewStore(ctx.KVStore(k.storeKey), keyPrefix)
return store.Has(contractAddr.Bytes())
}
func (k Keeper) IterateContracts(
ctx sdk.Context,
keyPrefix []byte,
handlerFn func(contractAddr []byte) (stop bool),
) {
store := ctx.KVStore(k.storeKey)
iterator := sdk.KVStorePrefixIterator(store, keyPrefix)
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
keyAddr := iterator.Key()[len(keyPrefix):]
addr := sdk.AccAddress(keyAddr)
if handlerFn(addr) {
break
}
}
}
func (k Keeper) GetAllContracts(ctx sdk.Context, keyPrefix []byte) (list []sdk.Address) {
k.IterateContracts(ctx, keyPrefix, func(addr []byte) bool {
list = append(list, sdk.AccAddress(addr))
return false
})
return
}
func (k Keeper) GetAllContractsBech32(ctx sdk.Context, keyPrefix []byte) []string {
contracts := k.GetAllContracts(ctx, keyPrefix)
list := make([]string, 0, len(contracts))
for _, c := range contracts {
list = append(list, c.String())
}
return list
}
func (k Keeper) DeleteContract(ctx sdk.Context, keyPrefix []byte, contractAddr sdk.AccAddress) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), keyPrefix)
store.Delete(contractAddr)
}
func (k Keeper) ExecuteMessageOnContracts(ctx sdk.Context, keyPrefix []byte, msgBz []byte) error {
p := k.GetParams(ctx)
for _, c := range k.GetAllContracts(ctx, keyPrefix) {
gasLimitCtx := ctx.WithGasMeter(sdk.NewGasMeter(p.ContractGasLimit))
addr := sdk.AccAddress(c.Bytes())
if _, err := k.GetContractKeeper().Sudo(gasLimitCtx, addr, msgBz); err != nil {
k.Logger(ctx).Error("ExecuteMessageOnContracts err", err, "contract", addr.String())
return err
}
}
return nil
}