/
keeper.go
144 lines (120 loc) · 4.28 KB
/
keeper.go
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package keeper
import (
"fmt"
"github.com/tendermint/tendermint/libs/log"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
transfertypes "github.com/cosmos/ibc-go/v3/modules/apps/transfer/types"
"github.com/tharsis/evmos/x/claims/types"
)
// Keeper struct
type Keeper struct {
cdc codec.Codec
storeKey sdk.StoreKey
paramstore paramtypes.Subspace
accountKeeper types.AccountKeeper
bankKeeper types.BankKeeper
stakingKeeper types.StakingKeeper
distrKeeper types.DistrKeeper
ics4Wrapper transfertypes.ICS4Wrapper
}
// NewKeeper returns keeper
func NewKeeper(
cdc codec.Codec,
storeKey sdk.StoreKey,
ps paramtypes.Subspace,
ak types.AccountKeeper,
bk types.BankKeeper,
sk types.StakingKeeper,
dk types.DistrKeeper,
ics4Wrapper transfertypes.ICS4Wrapper,
) *Keeper {
// set KeyTable if it has not already been set
if !ps.HasKeyTable() {
ps = ps.WithKeyTable(types.ParamKeyTable())
}
return &Keeper{
cdc: cdc,
storeKey: storeKey,
paramstore: ps,
accountKeeper: ak,
bankKeeper: bk,
stakingKeeper: sk,
distrKeeper: dk,
ics4Wrapper: ics4Wrapper,
}
}
// Logger returns logger
func (k Keeper) Logger(ctx sdk.Context) log.Logger {
return ctx.Logger().With("module", fmt.Sprintf("x/%s", types.ModuleName))
}
// GetModuleAccountAccount returns the module account for the claim module
func (k Keeper) GetModuleAccountAccount(ctx sdk.Context) authtypes.ModuleAccountI {
return k.accountKeeper.GetModuleAccount(ctx, types.ModuleName)
}
// GetModuleAccountAddress gets the airdrop coin balance of module account
func (k Keeper) GetModuleAccountAddress(ctx sdk.Context) sdk.AccAddress {
return k.accountKeeper.GetModuleAddress(types.ModuleName)
}
// GetModuleAccountBalances gets the balances of module account that escrows the
// airdrop tokens
func (k Keeper) GetModuleAccountBalances(ctx sdk.Context) sdk.Coins {
moduleAccAddr := k.GetModuleAccountAddress(ctx)
return k.bankKeeper.GetAllBalances(ctx, moduleAccAddr)
}
// GetClaimsRecord returns the claim record for a specific address
func (k Keeper) GetClaimsRecord(ctx sdk.Context, addr sdk.AccAddress) (types.ClaimsRecord, bool) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefixClaimsRecords)
bz := store.Get(addr)
if len(bz) == 0 {
return types.ClaimsRecord{}, false
}
var claimsRecord types.ClaimsRecord
k.cdc.MustUnmarshal(bz, &claimsRecord)
return claimsRecord, true
}
// SetClaimsRecord sets a claim record for an address in store
func (k Keeper) SetClaimsRecord(ctx sdk.Context, addr sdk.AccAddress, claimsRecord types.ClaimsRecord) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefixClaimsRecords)
bz := k.cdc.MustMarshal(&claimsRecord)
store.Set(addr, bz)
}
// DeleteClaimsRecord deletes a claim record from the store
func (k Keeper) DeleteClaimsRecord(ctx sdk.Context, addr sdk.AccAddress) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefixClaimsRecords)
store.Delete(addr)
}
func (k Keeper) IterateClaimsRecords(ctx sdk.Context, handlerFn func(addr sdk.AccAddress, cr types.ClaimsRecord) (stop bool)) {
store := ctx.KVStore(k.storeKey)
iterator := sdk.KVStorePrefixIterator(store, types.KeyPrefixClaimsRecords)
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var claimsRecord types.ClaimsRecord
k.cdc.MustUnmarshal(iterator.Value(), &claimsRecord)
addr := sdk.AccAddress(iterator.Key()[1:])
cr := types.ClaimsRecord{
InitialClaimableAmount: claimsRecord.InitialClaimableAmount,
ActionsCompleted: claimsRecord.ActionsCompleted,
}
if handlerFn(addr, cr) {
break
}
}
}
// GetClaimsRecords get claimables for genesis export
func (k Keeper) GetClaimsRecords(ctx sdk.Context) []types.ClaimsRecordAddress {
claimsRecords := []types.ClaimsRecordAddress{}
k.IterateClaimsRecords(ctx, func(addr sdk.AccAddress, cr types.ClaimsRecord) (stop bool) {
cra := types.ClaimsRecordAddress{
Address: addr.String(),
InitialClaimableAmount: cr.InitialClaimableAmount,
ActionsCompleted: cr.ActionsCompleted,
}
claimsRecords = append(claimsRecords, cra)
return false
})
return claimsRecords
}