diff options
| -rw-r--r-- | ethdb/database.go | 8 | ||||
| -rw-r--r-- | ethdb/memory_database.go | 6 | ||||
| -rw-r--r-- | ethutil/README.md | 4 | ||||
| -rw-r--r-- | ethutil/big.go | 9 | ||||
| -rw-r--r-- | ethutil/db.go | 1 | ||||
| -rw-r--r-- | ethutil/key.go | 19 | ||||
| -rw-r--r-- | ethutil/trie_test.go | 1 |
7 files changed, 46 insertions, 2 deletions
diff --git a/ethdb/database.go b/ethdb/database.go index d1967f023..3dbff36de 100644 --- a/ethdb/database.go +++ b/ethdb/database.go @@ -54,13 +54,19 @@ func (db *LDBDatabase) LastKnownTD() []byte { return data } +func (db *LDBDatabase) GetKeys() []*ethutil.Key { + data, _ := db.Get([]byte("KeyRing")) + + return []*ethutil.Key{ethutil.NewKeyFromBytes(data)} +} + func (db *LDBDatabase) Close() { // Close the leveldb database db.db.Close() } func (db *LDBDatabase) Print() { - iter := db.db.NewIterator(nil) + iter := db.db.NewIterator(nil, nil) for iter.Next() { key := iter.Key() value := iter.Value() diff --git a/ethdb/memory_database.go b/ethdb/memory_database.go index 9e91eb7d6..b0fa64ed7 100644 --- a/ethdb/memory_database.go +++ b/ethdb/memory_database.go @@ -26,6 +26,12 @@ func (db *MemDatabase) Get(key []byte) ([]byte, error) { return db.db[string(key)], nil } +func (db *MemDatabase) GetKeys() []*ethutil.Key { + data, _ := db.Get([]byte("KeyRing")) + + return []*ethutil.Key{ethutil.NewKeyFromBytes(data)} +} + func (db *MemDatabase) Delete(key []byte) error { delete(db.db, string(key)) diff --git a/ethutil/README.md b/ethutil/README.md index c98612e1e..1ed56b71b 100644 --- a/ethutil/README.md +++ b/ethutil/README.md @@ -53,6 +53,8 @@ trie.Put("doge", "coin") // Look up the key "do" in the trie out := trie.Get("do") fmt.Println(out) // => verb + +trie.Delete("puppy") ``` The patricia trie, in combination with RLP, provides a robust, @@ -82,7 +84,7 @@ type (e.g. `Slice()` returns []interface{}, `Uint()` return 0, etc). `NewEmptyValue()` returns a new \*Value with it's initial value set to a `[]interface{}` -`AppendLint()` appends a list to the current value. +`AppendList()` appends a list to the current value. `Append(v)` appends the value (v) to the current value/list. diff --git a/ethutil/big.go b/ethutil/big.go index c41d63add..1a3902fa3 100644 --- a/ethutil/big.go +++ b/ethutil/big.go @@ -41,3 +41,12 @@ func BigToBytes(num *big.Int, base int) []byte { return append(ret[:len(ret)-len(num.Bytes())], num.Bytes()...) } + +// Functions like the build in "copy" function +// but works on big integers +func BigCopy(src *big.Int) (ret *big.Int) { + ret = new(big.Int) + ret.Add(ret, src) + + return +} diff --git a/ethutil/db.go b/ethutil/db.go index b11d5d726..abbf4a2b0 100644 --- a/ethutil/db.go +++ b/ethutil/db.go @@ -4,6 +4,7 @@ package ethutil type Database interface { Put(key []byte, value []byte) Get(key []byte) ([]byte, error) + GetKeys() []*Key Delete(key []byte) error LastKnownTD() []byte Close() diff --git a/ethutil/key.go b/ethutil/key.go new file mode 100644 index 000000000..ec195f213 --- /dev/null +++ b/ethutil/key.go @@ -0,0 +1,19 @@ +package ethutil + +type Key struct { + PrivateKey []byte + PublicKey []byte +} + +func NewKeyFromBytes(data []byte) *Key { + val := NewValueFromBytes(data) + return &Key{val.Get(0).Bytes(), val.Get(1).Bytes()} +} + +func (k *Key) Address() []byte { + return Sha3Bin(k.PublicKey[1:])[12:] +} + +func (k *Key) RlpEncode() []byte { + return EmptyValue().Append(k.PrivateKey).Append(k.PublicKey).Encode() +} diff --git a/ethutil/trie_test.go b/ethutil/trie_test.go index 645c5a225..7c398f1de 100644 --- a/ethutil/trie_test.go +++ b/ethutil/trie_test.go @@ -25,6 +25,7 @@ func (db *MemDatabase) Delete(key []byte) error { delete(db.db, string(key)) return nil } +func (db *MemDatabase) GetKeys() []*Key { return nil } func (db *MemDatabase) Print() {} func (db *MemDatabase) Close() {} func (db *MemDatabase) LastKnownTD() []byte { return nil } |