vspd/rpc/dcrwallet.go
jholdstock 225dcaf29e multi wallet support (#32)
* multiwallet

* print host

Co-authored-by: Jamie Holdstock <jholdstock@decred.org>
2020-05-28 12:52:06 +01:00

90 lines
2.7 KiB
Go

package rpc
import (
"context"
"fmt"
wallettypes "decred.org/dcrwallet/rpc/jsonrpc/types"
"github.com/decred/dcrd/chaincfg/v3"
dcrdtypes "github.com/decred/dcrd/rpc/jsonrpc/types/v2"
"github.com/decred/dcrd/wire"
)
const (
requiredWalletVersion = "8.1.0"
)
// WalletRPC provides methods for calling dcrwallet JSON-RPCs without exposing the details
// of JSON encoding.
type WalletRPC struct {
Caller
ctx context.Context
}
// WalletClient creates a new WalletRPC client instance from a caller.
func WalletClient(ctx context.Context, c Caller, netParams *chaincfg.Params) (*WalletRPC, error) {
// Verify dcrwallet is at the required api version.
var verMap map[string]dcrdtypes.VersionResult
err := c.Call(ctx, "version", &verMap)
if err != nil {
return nil, fmt.Errorf("version check on dcrwallet '%s' failed: %v",
c.String(), err)
}
walletVersion, exists := verMap["dcrwalletjsonrpcapi"]
if !exists {
return nil, fmt.Errorf("version response on dcrwallet '%s' missing 'dcrwalletjsonrpcapi'",
c.String())
}
if walletVersion.VersionString != requiredWalletVersion {
return nil, fmt.Errorf("dcrwallet '%s' has wrong RPC version: got %s, expected %s",
c.String(), walletVersion.VersionString, requiredWalletVersion)
}
// Verify dcrwallet is voting, unlocked, and is connected to dcrd (not SPV).
var walletInfo wallettypes.WalletInfoResult
err = c.Call(ctx, "walletinfo", &walletInfo)
if err != nil {
return nil, fmt.Errorf("walletinfo check on dcrwallet '%s' failed: %v",
c.String(), err)
}
if !walletInfo.Voting {
return nil, fmt.Errorf("wallet '%s' has voting disabled", c.String())
}
if !walletInfo.Unlocked {
return nil, fmt.Errorf("wallet '%s' is not unlocked", c.String())
}
if !walletInfo.DaemonConnected {
return nil, fmt.Errorf("wallet '%s' is not connected to dcrd", c.String())
}
// Verify dcrwallet is on the correct network.
var netID wire.CurrencyNet
err = c.Call(ctx, "getcurrentnet", &netID)
if err != nil {
return nil, fmt.Errorf("getcurrentnet check on dcrwallet '%s' failed: %v",
c.String(), err)
}
if netID != netParams.Net {
return nil, fmt.Errorf("dcrwallet '%s' running on %s, expected %s",
c.String(), netID, netParams.Net)
}
return &WalletRPC{c, ctx}, nil
}
func (c *WalletRPC) AddTransaction(blockHash, txHex string) error {
return c.Call(c.ctx, "addtransaction", nil, blockHash, txHex)
}
func (c *WalletRPC) ImportPrivKey(votingWIF string) error {
label := "imported"
rescan := false
scanFrom := 0
return c.Call(c.ctx, "importprivkey", nil, votingWIF, label, rescan, scanFrom)
}
func (c *WalletRPC) SetVoteChoice(agenda, choice, ticketHash string) error {
return c.Call(c.ctx, "setvotechoice", nil, agenda, choice, ticketHash)
}