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verifiable-credential.go
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/
verifiable-credential.go
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package keeper
import (
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/allinbits/cosmos-cash/x/verifiable-credential/types"
)
func (q Keeper) SetVerifiableCredential(ctx sdk.Context, key []byte, vc types.VerifiableCredential) {
q.Set(ctx, key, types.VerifiableCredentialKey, vc, q.MarshalVerifiableCredential)
}
func (q Keeper) GetVerifiableCredential(ctx sdk.Context, key []byte) (types.VerifiableCredential, bool) {
val, found := q.Get(ctx, key, types.VerifiableCredentialKey, q.UnmarshalVerifiableCredential)
return val.(types.VerifiableCredential), found
}
func (q Keeper) UnmarshalVerifiableCredential(value []byte) (interface{}, bool) {
vc := types.VerifiableCredential{}
err := q.cdc.UnmarshalBinaryBare(value, &vc)
if err != nil {
return types.VerifiableCredential{}, false
}
if vc.Id == "" {
return types.VerifiableCredential{}, false
}
return vc, true
}
func (q Keeper) MarshalVerifiableCredential(value interface{}) []byte {
did := value.(types.VerifiableCredential)
bytes, _ := q.cdc.MarshalBinaryBare(&did)
return bytes
}
func (q Keeper) GetAllVerifiableCredentialsWithCondition(
ctx sdk.Context,
key []byte,
vcSelector func(votes types.VerifiableCredential) bool,
) (vcs []types.VerifiableCredential) {
iterator := q.GetAll(ctx, key)
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
vc, _ := q.UnmarshalVerifiableCredential(iterator.Value())
vcTyped := vc.(types.VerifiableCredential)
if vcSelector(vcTyped) {
vcs = append(vcs, vcTyped)
}
}
return vcs
}
func (q Keeper) GetAllVerifiableCredentials(ctx sdk.Context) []types.VerifiableCredential {
return q.GetAllVerifiableCredentialsWithCondition(
ctx,
types.VerifiableCredentialKey,
func(vc types.VerifiableCredential) bool { return true },
)
}