metsawyr / basic-multisig

Basic miltisignature wallet implementation for Exonum blockchain

Basic multisig wallet

Exonum implementation of single-noded simple cryptocurrency with multisignature wallet

Implementation details

Multisignature transactions are implemented in the way that wallets hold pending transactions vector that will be executed as soon as 2/3 majority is reached. Pending transactions, in they turn, contain all approvals in respective vector. Multisignature is an optional feature, which is enabled only if you have added signer to a personal wallet

Running

To run a node itself, clone this repository and perform cargo run in the root of it.

Wallets API

Endpoint root: /api/services/cryptocurrency/v1

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GET /wallet?pub_key=<string>: Get a wallet by a public key.

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GET /wallet/txs?pub_key=<string>: Get approved transactions of a wallet by public key.

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GET /wallets: Get all wallets in network.

Transactions API

Transaction API is a stardard Exonum Explorer API Endpoint root: api/explorer/v1

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POST /transactions: Broadcast transaction to the network

Endpoint expects to receive serialized signed transaction as hex string

{
    "tx_body": string
}

There are 4 types of transaction:

• Create wallet

{
    "name": string
}

• Add signer

{
    "signer": public key
}

• Transfer funds

    "recepient": public key,
    "amount": number,
    "seed": number
}

• Sign pending transaction

{
    "origin": public key,
    "tx_hash": hash
}