78 lines
2.5 KiB
Go
78 lines
2.5 KiB
Go
package store
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import (
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"context"
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visedb "git.defalsify.org/vise.git/db"
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storedb "git.grassecon.net/grassrootseconomics/sarafu-vise/store/db"
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"git.grassecon.net/grassrootseconomics/sarafu-vise/store/db"
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"git.grassecon.net/grassrootseconomics/common/hex"
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"git.grassecon.net/grassrootseconomics/common/identity"
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)
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// TODO: Rename interface, "datastore" is redundant naming and too general
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type DataStore interface {
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visedb.Db
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ReadEntry(ctx context.Context, sessionId string, typ db.DataTyp) ([]byte, error)
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WriteEntry(ctx context.Context, sessionId string, typ db.DataTyp, value []byte) error
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}
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type UserDataStore struct {
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visedb.Db
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}
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// ReadEntry retrieves an entry to the userdata store.
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func (store *UserDataStore) ReadEntry(ctx context.Context, sessionId string, typ db.DataTyp) ([]byte, error) {
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store.SetPrefix(visedb.DATATYPE_USERDATA)
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store.SetSession(sessionId)
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k := storedb.ToBytes(typ)
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return store.Get(ctx, k)
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}
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// WriteEntry adds an entry to the userdata store.
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// BUG: this uses sessionId twice
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func (store *UserDataStore) WriteEntry(ctx context.Context, sessionId string, typ db.DataTyp, value []byte) error {
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store.SetPrefix(visedb.DATATYPE_USERDATA)
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store.SetSession(sessionId)
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k := storedb.ToBytes(typ)
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return store.Put(ctx, k, value)
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}
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func StoreToPrefixDb(userStore *UserDataStore, pfx []byte) storedb.PrefixDb {
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return storedb.NewSubPrefixDb(userStore.Db, pfx)
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}
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// IdentityFromAddress fully populates and Identity object from a given
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// checksum address.
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//
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// It is the caller's responsibility to ensure that a valid checksum address
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// is passed.
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func IdentityFromAddress(ctx context.Context, userStore *UserDataStore, address string) (identity.Identity, error) {
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var err error
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var ident identity.Identity
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ident.ChecksumAddress = address
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ident.NormalAddress, err = hex.NormalizeHex(ident.ChecksumAddress)
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if err != nil {
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return ident, err
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}
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ident.SessionId, err = getSessionIdByAddress(ctx, userStore, ident.NormalAddress)
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if err != nil {
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return ident, err
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}
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return ident, nil
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}
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// load matching session from address from db store.
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func getSessionIdByAddress(ctx context.Context, userStore *UserDataStore, address string) (string, error) {
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// TODO: replace with userdatastore when double sessionid issue fixed
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//r, err := store.ReadEntry(ctx, address, common.DATA_PUBLIC_KEY_REVERSE)
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userStore.Db.SetPrefix(visedb.DATATYPE_USERDATA)
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userStore.Db.SetSession(address)
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r, err := userStore.Db.Get(ctx, storedb.PackKey(storedb.DATA_PUBLIC_KEY_REVERSE, []byte{}))
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if err != nil {
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return "", err
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}
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return string(r), nil
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}
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