Add stakepooluserinfo and addticket RPC handling (#144)

JSON handling for two new legacy RPC functions designed to aid wallets
running stake pools, stakepooluserinfo and addticket, have been added.

dcrjson/dcrwalletextcmds.go

@@ -63,6 +63,13 @@ func NewAccountSyncAddressIndexCmd(acct string, branch int,
 	}
 }
 
+// AddTicketCmd forces a ticket into the wallet stake manager, for example if
+// someone made an invalid ticket for a stake pool and the pool manager wanted
+// to manually add it.
+type AddTicketCmd struct {
+	TicketHex string `json:"tickethex"`
+}
+
 // ConsolidateCmd is a type handling custom marshaling and
 // unmarshaling of consolidate JSON wallet extension
 // commands.
@@ -568,6 +575,19 @@ func NewSignRawTransactionsCmd(hexEncodedTxs []string,
 	}
 }
 
+// StakePoolUserInfoCmd defines the stakepooluserinfo JSON-RPC command.
+type StakePoolUserInfoCmd struct {
+	User string
+}
+
+// NewStakePoolUserInfoCmd returns a new instance which can be used to issue a
+// signrawtransactions JSON-RPC command.
+func NewStakePoolUserInfoCmd(user string) *StakePoolUserInfoCmd {
+	return &StakePoolUserInfoCmd{
+		User: user,
+	}
+}
+
 // WalletInfoCmd defines the walletinfo JSON-RPC command.
 type WalletInfoCmd struct {
 }
@@ -586,6 +606,7 @@ func init() {
 	MustRegisterCmd("accountaddressindex", (*AccountAddressIndexCmd)(nil), flags)
 	MustRegisterCmd("accountfetchaddresses", (*AccountFetchAddressesCmd)(nil), flags)
 	MustRegisterCmd("accountsyncaddressindex", (*AccountSyncAddressIndexCmd)(nil), flags)
+	MustRegisterCmd("addticket", (*AddTicketCmd)(nil), flags)
 	MustRegisterCmd("consolidate", (*ConsolidateCmd)(nil), flags)
 	MustRegisterCmd("createrawsstx", (*CreateRawSStxCmd)(nil), flags)
 	MustRegisterCmd("createrawssgentx", (*CreateRawSSGenTxCmd)(nil), flags)
@@ -621,5 +642,6 @@ func init() {
 	MustRegisterCmd("setticketmaxprice", (*SetTicketMaxPriceCmd)(nil), flags)
 	MustRegisterCmd("setticketvotebits", (*SetTicketVoteBitsCmd)(nil), flags)
 	MustRegisterCmd("signrawtransactions", (*SignRawTransactionsCmd)(nil), flags)
+	MustRegisterCmd("stakepooluserinfo", (*StakePoolUserInfoCmd)(nil), flags)
 	MustRegisterCmd("walletinfo", (*WalletInfoCmd)(nil), flags)
 }

dcrjson/dcrwalletextresults.go

@@ -119,6 +119,23 @@ type SignRawTransactionsResult struct {
 	Results []SignedTransaction `json:"results"`
 }
 
+// PoolUserTicket is the JSON struct corresponding to a stake pool user ticket
+// object.
+type PoolUserTicket struct {
+	Status        string `json:"status"`
+	Ticket        string `json:"ticket"`
+	TicketHeight  uint32 `json:"ticketheight"`
+	SpentBy       string `json:"spentby"`
+	SpentByHeight uint32 `json:"spentbyheight"`
+}
+
+// StakePoolUserInfoResult models the data returned from the stakepooluserinfo
+// command.
+type StakePoolUserInfoResult struct {
+	Tickets        []PoolUserTicket `json:"tickets"`
+	InvalidTickets []string         `json:"invalid"`
+}
+
 // WalletInfoResult models the data returned from the walletinfo
 // command.
 type WalletInfoResult struct {

rpcserver.go

@@ -219,6 +219,7 @@ var rpcAskWallet = map[string]struct{}{
 	"accountfetchaddresses":   struct{}{},
 	"accountsyncaddressindex": struct{}{},
 	"addmultisigaddress":      struct{}{},
+	"addticket":               struct{}{},
 	"backupwallet":            struct{}{},
 	"createencryptedwallet":   struct{}{},
 	"createmultisig":          struct{}{},
@@ -261,6 +262,7 @@ var rpcAskWallet = map[string]struct{}{
 	"settxfee":                struct{}{},
 	"signmessage":             struct{}{},
 	"signrawtransaction":      struct{}{},
+	"stakepooluserinfo":       struct{}{},
 	"walletinfo":              struct{}{},
 	"walletlock":              struct{}{},
 	"walletpassphrase":        struct{}{},