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Micropayment hub client for counterparty assets.

Project description

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Micropayment hub CLI interface for counterparty assets.

Currently Python 3 is the supported version.

Setup

$ pip3 install picopayments-cli

Usage

$ picopayments-cli [config arguments] <command> [command arguments]

Usage examples

# show help text
$ picopayments-cli --help

# show help text for command
$ picopayments-cli <command> --help

# Show status of current connections
$ picopayments-cli --testnet status

# connect to hub
$ picopayments-cli --testnet connect ASSET QUANTITY

# queue payment
$ picopayments-cli --testnet queuepayment SOURCEHANDLE DESTINATIONHANDLE QUANTITY

# sync payments
$ picopayments-cli --testnet sync

# close payment channel
$ picopayments-cli --testnet close HANDLE

API Calls/Commands

version

Returns current version of number.

hubstatus

Get current hub status.

Arguments

  • asset (str): Optionally limit output to given asset.

Returns

List of open connections, current terms, funding addresses
and current liquidity for new connections.

{
  "connections": {
    "a0b1156206dedb1aa24084752b5693a9022349dc547fb9952aa510003e93": {
      "asset": "XCP",
      "balance": 31338,
      "status": "open",
      "ttl": 401
    }
  },
  "current_terms": {
    "XCP": {
      "deposit_max": 0,
      "deposit_min": 0,
      "deposit_ratio": 1.0,
      "expire_max": 0,
      "expire_min": 0,
      "sync_fee": 1
    }
  },
  "funding_addresses": {
    "BTC": "mhzPMMC3hkQUL9HUYY13s2NehEJXCA923Z",
    "XCP": "n1f73Cvxi7KFWK5p7W8F6JYbyQxV5djqUo"
  },
  "liquidity": {
    "addresses": {
      "XCP": [
        {
          "address": "mzEPqJet1LvZK5wjeDqmYx4udC3zx9oFwm",
          "balances": {
            "BTC": 333600,
            "XCP": 399876544
          }
        }
      ]
    },
    "total": {
      "BTC": 807814,
      "XCP": 599845207
    }
  }
}

balances

Get balances for address or current wallet.

Arguments

  • asset (str, default=None): Optionally filter for given asset.
  • address (str, default=None): Optionally provide address to check, uses wallet by default

Returns

Dict mapping asset to available quantity in satoshis,
Unconfirmed assets are ignored.

{
    "BTC": 926109330,
    "XCP": 140982404156
}

searchrawtxs

Get raw transactions for given address.

Arguments

  • address (str): Address to get raw transactions for.
  • unconfirmed (bool, default=true): Include unconfirmed transactions.

Returns

A list of dicts with information about the transaction.

Example

$ picopayments-cli --testnet searchrawtxs n2s5WgXPZvgKjtApHLk294gCditcDEKGJS
[
    {
        "blockhash": "0000000000000a835cdd31ad68496bd41c240471a5cdff3c07924646d441bd78",
        "blocktime": 1487152958,
        "confirmations": 31,
        "hex": "010000000135a32ea67f349fcae4bd272285663eec97c37bb2b816303bc44b26992b551cd9010000006a47304402207a89d42e1e61c7abead529b09f039ba2d3c585db88ddb233f9bb360cccd5c07002204ae361cc83610beb406b690bc62fad5af13d79919e724f039675f555c01b2b670121035f57228dc3b9a3224f2d48a1e2f9886f8412a0e77afdec28fd94dab7c7513b56ffffffff0340420f00000000001976a914ea28fc5a328d7f43c4a88e7a2edf1e1d8a8d60ae88ac00000000000000001e6a1c594663b76ecc1e31edd16d3b1ec19b0f4f983a71a70bed9465caa1cd8afc7100000000001976a914e63fe6f12b3300f2fad00a1270b71529985d972d88ac00000000",
        "locktime": 0,
        "size": 264,
        "time": 1487152958,
        "txid": "caf1f644777ed7b2b3eb6b5870368efe678eef738ba9c269560ad4414b3d1ce5",
        "version": 1,
        "vin": [
            {
                "scriptSig": {
                    "asm": "304402207a89d42e1e61c7abead529b09f039ba2d3c585db88ddb233f9bb360cccd5c07002204ae361cc83610beb406b690bc62fad5af13d79919e724f039675f555c01b2b67[ALL] 035f57228dc3b9a3224f2d48a1e2f9886f8412a0e77afdec28fd94dab7c7513b56",
                    "hex": "47304402207a89d42e1e61c7abead529b09f039ba2d3c585db88ddb233f9bb360cccd5c07002204ae361cc83610beb406b690bc62fad5af13d79919e724f039675f555c01b2b670121035f57228dc3b9a3224f2d48a1e2f9886f8412a0e77afdec28fd94dab7c7513b56"
                },
                "sequence": 4294967295,
                "txid": "d91c552b99264bc43b3016b8b27bc397ec3e66852227bde4ca9f347fa62ea335",
                "vout": 1
            }
        ],
        "vout": [
            {
                "n": 0,
                "scriptPubKey": {
                    "addresses": [
                        "n2s5WgXPZvgKjtApHLk294gCditcDEKGJS"
                    ],
                    "asm": "OP_DUP OP_HASH160 ea28fc5a328d7f43c4a88e7a2edf1e1d8a8d60ae OP_EQUALVERIFY OP_CHECKSIG",
                    "hex": "76a914ea28fc5a328d7f43c4a88e7a2edf1e1d8a8d60ae88ac",
                    "reqSigs": 1,
                    "type": "pubkeyhash"
                },
                "value": 0.01
            },
            {
                "n": 1,
                "scriptPubKey": {
                    "asm": "OP_RETURN 594663b76ecc1e31edd16d3b1ec19b0f4f983a71a70bed9465caa1cd",
                    "hex": "6a1c594663b76ecc1e31edd16d3b1ec19b0f4f983a71a70bed9465caa1cd",
                    "type": "nulldata"
                },
                "value": 0.0
            },
            {
                "n": 2,
                "scriptPubKey": {
                    "addresses": [
                        "n2WQGAvnDS1vf7uXToLou6kLxJXRGFHo2b"
                    ],
                    "asm": "OP_DUP OP_HASH160 e63fe6f12b3300f2fad00a1270b71529985d972d OP_EQUALVERIFY OP_CHECKSIG",
                    "hex": "76a914e63fe6f12b3300f2fad00a1270b71529985d972d88ac",
                    "reqSigs": 1,
                    "type": "pubkeyhash"
                },
                "value": 0.07470218
            }
        ]
    }
]

listutxos

Get utxos for given address.

Arguments

  • address (str): Address to get utxos for.
  • unconfirmed (bool, default=true): Include unconfirmed outputs.

Returns

A list of dicts with information the unspent transaction output.

Example

$ picopayments-cli --testnet listutxos n2s5WgXPZvgKjtApHLk294gCditcDEKGJS
[
    {
        "amount": 0.01,
        "confirmations": 32,
        "scriptPubKey": "76a914ea28fc5a328d7f43c4a88e7a2edf1e1d8a8d60ae88ac",
        "txid": "caf1f644777ed7b2b3eb6b5870368efe678eef738ba9c269560ad4414b3d1ce5",
        "vout": 0
    }
]

getrawtx

Gets raw data for a single transaction.

Arguments

  • txid (str): The transaction hash identifier.
  • verbose (bool, default=False): Include some additional information.

Returns

If found, a raw transaction objects having the same format as the bitcoind getrawtransaction API call. If not found, None.

blocksend

Send funds using via blockchain transaction.

Arguments

  • asset (str): Asset to send.
  • destination (address): Address to receive the funds.
  • quantity (int): Quantity of the given asset to transfer.
  • extra_btc (int, default=0): Optional bitcoin to also be sent.

Returns

txid of published transaction.

connect

Create micropayment connection with hub.

Arguments

  • asset (str): Asset to exchange in connection.
  • quantity (str): Quantity to be bound in the deposit, this determins the maximum amount that can bet transferred.
  • expire_time (int, default=1024): Time in blocks after which the deposit expires and can be recovered.
  • delay_time (int, default=2): Blocks hub must wait before payout, protects against publish revoked commits.

Returns

{
    "send_deposit_txid": "published bitcoin transaction id",
    "handle": "handle for created connection"
}

queuepayment

Queue micropayment channel send (sent on sync).

Arguments

  • source (str): Handle of connection to send funds from.
  • destination (str): Handle of connection to receive funds.
  • quantity (int): Quantity of channel asset to transfer.
  • token (str, default=None): Optional token payee will receive with the payment.

Returns

Provided token or generated token if None given.

status

Get status of connections and wallet.

Arguments

  • handle (str, default=None): Optionally limit to given handle.
  • verbose (bool, default=False): Optionally show additional information.

Returns

{
  "connections": {
    "a0b206d1f68edb1aa24084752b5693a9022349dc547fb9952aa510003e93": {
      "asset": "XCP",
      "balance": 31337,
      "status": "open",
      "ttl": 404
    }
  },
  "wallet": {
    "address": "n2WQGAvnDS1vf7uXToLou6kLxJXRGFHo2b",
    "balances": {
      "BTC": 926109330,
      "XCP": 140982404156
    }
  }
}

sync

Sync open and recover funds from closed connections.

This WILL cost a fee per channnel synced as defined in the hub terms.

  • Synchronize open connections to send/receive payments.
  • Recover funds of closed connections.

Arguments

  • handle (str, default=None): Optionally limit to given handle.

Returns

{
  "connection handle": {
    "txids": ["of transactions publish while recovering funds"],
    "received_payments": [
      {
        "payer_handle": "sender handle",
        "amount": 1337,
        "token": "provided by sender"
      }
    ]
  }
}

close

Close open connection and settle to blockchain.

history

Show history

Arguments

  • handle (str): Limit history to given channel.

Returns

List of previous actions made.

cull

Removes closed channels if all funds have been recovered.

Arguments

  • handle (str): Optional handle of specific connection to be cull.

Returns

List of with handles of culled connections.

cancelpayment

Cancel queued but unsynced payment.

Arguments

  • token (str): Token of the queued payment to be canceled.

Returns

true if payment found and canceled, otherwise false.

serve

Start RPC-API Server.

Arguments

  • host (str): Network interface on which to host the service.
  • port (int): Network port on which to host the service.

Testing guide

Please be liberal in opening an issue here on this github project with any problems or questions you have, well repsond as soon as I can.

Please note that all testing is currently on testnet only using the counterparty XCP asset.

# install the picopayments cli client (sorry no gui wallet just yet)
$ pip3 install picopayments-cli

# Show status of current connections and wallet
$ picopayments-cli --testnet status
# post the wallet address in https://community.storj.io/channel/micropayments-testing and you will be sent some funds for testing

# connect to hub (prints the hex handle of the created channel)
$ picopayments-cli --testnet connect XCP 1000000

# you will have to wait until your deposit is confirmed, then the hub
# will match your deposit so you can recieve funds. After the hub deposit
# is confirmed the micropayment channel is open for use.

# Show status of current connections and wallet
$ picopayments-cli --testnet status

# Show hub status: open connections, liquidity, terms and funding addresses
$ picopayments-cli --testnet hubstatus

# queue payment
$ picopayments-cli --testnet queuepayment SOURCEHANDLE DESTINATIONHANDLE QUANTITY

# do not send more then you have or the other party can receive or it
# will mess up the channel (known issue I have to fix)

# sync payments (cost 1 xcp fee)
$ picopayments-cli --testnet sync

# close payment channel and settle to blockchain
$ picopayments-cli --testnet close HANDLE

Project details


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