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pfcwallet

pfcwallet is a daemon handling the PicFight coin wallet functionality.

The wallet connects to a pfcd node via RPC. All interactions with the wallet are also performed over RPC.

Installing and updating

Setup

Building or updating from source requires the following build dependencies:

  • The pfcd and pfcwallet executables will be installed to $GOPATH/bin. GOPATH defaults to $HOME/go (or %USERPROFILE%\go on Windows) if unset.

Build from source (all platforms)

Tip: You can always verify your steps against the Travis. Simply consult with the .travis.yml and the run_tests.sh for the details.

Example of obtaining and building from source on Windows:

Checkout:

go get github.com/picfight/pfcd
go get github.com/picfight/pfcwallet

Build and install pfcd:

cd %GOPATH%
cd src/github.com/picfight/pfcd

set GO111MODULE=on
go build ./...
go install . ./cmd/...

Build and install pfcwallet:

cd %GOPATH%
cd src/github.com/picfight/pfcwallet

set GO111MODULE=on
go build ./...
go install . ./cmd/...

Running Tests

To run the tests locally:

cd %GOPATH%
cd src/github.com/picfight/pfcwallet

set GO111MODULE=on
go build ./...
go clean -testcache
go test ./...

or simply

./run_tests.sh 

Getting Started

  • Run the following command to start pfcd:
pfcd -u rpcuser -P rpcpass
  • Run the following command to create a wallet:
pfcwallet -u rpcuser -P rpcpass --create
  • Run the following command to start pfcwallet:
pfcwallet -u rpcuser -P rpcpass

If everything appears to be working, it is recommended at this point to copy the sample pfcd and pfcwallet configurations (.conf) and update them with your RPC username and password.

Then simply run:

pfcd
pfcwallet

Example run commands

Launch a customized node:

pfcd
     --listen=127.0.0.1:30000
     --rpclisten=127.0.0.1:30001
     --datadir=nodeA
     --rpccert=nodeA\rpc.cert
     --rpckey=nodeA\rpc.key     
     --txindex
     --addrindex
     --rpcuser=node.user
     --rpcpass=node.pass

Copy nodeA\rpc.cert to wallet\pfcd-rpc.cert

Launch wallet (add --create flag-option for the first run):

pfcwallet
       --rpclisten=127.0.0.1:20002
       --rpcconnect=127.0.0.1:30001
       --appdata=wallet
       --cafile=wallet\pfcd-rpc.cert
       --rpckey=wallet\rpc.key
       --rpccert=wallet\rpc.cert
       --pfcdusername=node.user
       --pfcdpassword=node.pass
       --username=wallet.user
       --password=wallet.pass 
       --create 

Check balance:

pfcctl /u wallet.user
       /P wallet.pass
       /s 127.0.0.1:20002
       /c wallet\rpc.cert
       --wallet getbalance

Generate new wallet address:

pfcctl /u wallet.user
       /P wallet.pass
       /s 127.0.0.1:20002
       /c wallet\rpc.cert
       --wallet getnewaddress

Stake-mining

Participating in Proof-of-Stake (PoS) validation requires a wallet to be running 24/7. The wallet needs to be always online so that it can be called to validate block; if the wallet is unavailable then the votes will be missed and no block reward will be received.

Tip: Stake-mining wallet will use all of its funds to buy voting tickets. Thus it is recommended to create a dedicated wallet (with a new seed) for stake mining and transfer to it some of your funds from your main wallet. Min possible ticket price is 2 coins + fees. So you need at least ~2.1 coins to buy a ticket and to participate in the stake mining.

To enable stake-mining in pfcwallet you need:

  • Edit your pfcwallet.conf setting pass=%your wallet password% and the enablevoting=1 flag.

  • Run pfcwallet with the following flag: --enableticketbuyer

At this point you should have a running pfcd-node connected to internet and syncing with the external world, and pfcwallet connected to the pfcd listening to the blockchain updates and validating blocks on request.

Check your setup using the following commands:

 pfcctl --wallet getstakeinfo
 pfcctl --wallet walletinfo

Check balance:

pfcctl --wallet getbalance

Generate a new wallet address:

pfcctl --wallet getnewaddress

SPV

pfcwallet provides two modes of operation to connect to the PicFight coin network. The first (and default) is to communicate with a single trusted pfcd instance using JSON-RPC.

The second is a privacy-preserving Simplified Payment Verification (SPV) mode (enabled with the --spv flag), where the wallet connects either to specified peers (with --spvconnect) or peers discovered from seeders and other peers. Both modes can be switched between with just a restart of the wallet. It is advised to avoid SPV mode for heavily-used wallets which require downloading most blocks regardless.

Not all functionality is available when running in SPV mode. Currently, the following features are disabled or unavailable to SPV wallets:

  • Voting

  • Revoking tickets before expiry

  • Determining exact number of live and missed tickets (as opposed to simply unspent).

Wallet clients interact with the wallet using one of two RPC servers:

  1. A legacy JSON-RPC server inspired by the Bitcoin Core rpc server

    The JSON-RPC server exists to ease the migration of wallet applications from the Core, but complete compatibility is not guaranteed. Some portions of the API (and especially accounts) have to work differently due to other design decisions (mostly due to BIP0044). However, if you find a compatibility issue and feel that it could be reasonably supported, please report an issue. This server is enabled by default as long as a username and password are provided.

  2. A gRPC server

    The gRPC server uses a new API built for pfcwallet, but the API is not stabilized. This server is enabled by default and may be disabled with the config option --nogrpc. If you don't mind applications breaking due to API changes, don't want to deal with issues of the legacy API, or need notifications for changes to the wallet, this is the RPC server to use. The gRPC server is documented here.

Issue Tracker

The integrated github issue tracker is used for this project.

License

pfcwallet is licensed under the liberal ISC License.