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Emerald Vault - Key Storage for Emerald Wallet

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Rust library to store, access and operate cryptocurrency Private Keys, part of Emerald Wallet.

Architecture and Features

Features

  • Supports Ethereum-based keys

  • JSON-based WEB3 keys (Import/Export)

  • Raw private keys (Generate/Import/Export, Export as WEB3 JSON)

  • HDPath on a Seed

  • Mnemonic based seed (Generate/Import)

  • Ledger Nano based seed

  • Sign transaction

Architecture

  • File based storage, with random UUID identifiers

    • b6923a7f-033f-4370-8861-2621871aeeec.wallet

    • 130d0800-462c-4c48-8b4a-94cef23351a2.key

    • 7dc9347a-5ef0-4dc3-bae1-d75d20b1259c.seed

  • Data is encoded with protobuf (see proto/)

  • .wallet is general container for different types of addresses (entries). Vault can have multiple wallets.

  • .key is an encrypted Private Key used by a wallet entry. Can have multiple.

  • .seed is a reference to a Hardware Key, or encrypted Seed bytes. Can have multiple.

  • addressbook.csv is an Address Book of recipient addresses (DEPRECATED)

  • .png a custom image for the wallet or other entry.

Storage directory:

  • Windows: %APPDATA%\.emerald\vault

  • OSX: ~/Library/Emerald/vault

  • Linux: ~/.emerald/vault

Development

Ensure you have these dependencies installed:

openssl pkgconfig rustc cargo clang

cargo and rustc should be at least versions 0.31 and 1.31 respectively.

Should your distribution or operating system not have a recent cargo and rustc binaries, you can install them from http://doc.crates.io/

Generate Rust code from Protobuf
protoc --rust_out=src/proto --proto_path=./proto address.proto
protoc --rust_out=src/proto --proto_path=./proto book.proto
protoc --rust_out=src/proto --proto_path=./proto common.proto
protoc --rust_out=src/proto --proto_path=./proto crypto.proto
protoc --rust_out=src/proto --proto_path=./proto pk.proto
protoc --rust_out=src/proto --proto_path=./proto seed.proto
protoc --rust_out=src/proto --proto_path=./proto wallet.proto
cargo build

Contact

Gitter

Chat with us via Gitter

License

Copyright 2024 EmeraldPay, Ltd

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.