0g-chain/x/incentive/keeper/store/claim.go

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package store
import (
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/store/prefix"
"github.com/kava-labs/kava/x/incentive/types"
)
// GetClaim returns the claim in the store corresponding the the owner and
// claimType, and a boolean for if the claim was found
func (k IncentiveStore) GetClaim(
ctx sdk.Context,
claimType types.ClaimType,
addr sdk.AccAddress,
) (types.Claim, bool) {
store := prefix.NewStore(ctx.KVStore(k.key), types.GetClaimKeyPrefix(claimType))
bz := store.Get(addr)
if bz == nil {
return types.Claim{}, false
}
var c types.Claim
k.cdc.MustUnmarshal(bz, &c)
return c, true
}
// SetClaim sets the claim in the store corresponding to the owner and claimType
func (k IncentiveStore) SetClaim(
ctx sdk.Context,
c types.Claim,
) {
store := prefix.NewStore(ctx.KVStore(k.key), types.GetClaimKeyPrefix(c.Type))
bz := k.cdc.MustMarshal(&c)
store.Set(c.Owner, bz)
}
// DeleteClaim deletes the claim in the store corresponding to the owner and claimType
func (k IncentiveStore) DeleteClaim(
ctx sdk.Context,
claimType types.ClaimType,
owner sdk.AccAddress,
) {
store := prefix.NewStore(ctx.KVStore(k.key), types.GetClaimKeyPrefix(claimType))
store.Delete(owner)
}
// IterateClaimsByClaimType iterates over all claim objects in the store of a given
// claimType and preforms a callback function
func (k IncentiveStore) IterateClaimsByClaimType(
ctx sdk.Context,
claimType types.ClaimType,
cb func(c types.Claim) (stop bool),
) {
iterator := sdk.KVStorePrefixIterator(ctx.KVStore(k.key), types.GetClaimKeyPrefix(claimType))
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var c types.Claim
k.cdc.MustUnmarshal(iterator.Value(), &c)
if cb(c) {
break
}
}
}
// GetClaims returns all Claim objects in the store of a given claimType
func (k IncentiveStore) GetClaims(
ctx sdk.Context,
claimType types.ClaimType,
) types.Claims {
var cs types.Claims
k.IterateClaimsByClaimType(ctx, claimType, func(c types.Claim) (stop bool) {
cs = append(cs, c)
return false
})
return cs
}
// IterateClaims iterates over all claim objects of any claimType in the
// store and preforms a callback function
func (k IncentiveStore) IterateClaims(
ctx sdk.Context,
cb func(c types.Claim) (stop bool),
) {
iterator := sdk.KVStorePrefixIterator(ctx.KVStore(k.key), types.ClaimKeyPrefix)
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var c types.Claim
k.cdc.MustUnmarshal(iterator.Value(), &c)
if cb(c) {
break
}
}
}
// GetAllClaims returns all Claim objects in the store of any claimType
func (k IncentiveStore) GetAllClaims(ctx sdk.Context) types.Claims {
var cs types.Claims
k.IterateClaims(ctx, func(c types.Claim) (stop bool) {
cs = append(cs, c)
return false
})
return cs
}