fix: RPC error handling

feat: create and load wallets

lib/plugins/wallet/bitcoind/bitcoind.js

@@ -17,21 +17,49 @@ function fetch (method, params) {
   return jsonRpc.fetch(rpcConfig, method, params)
 }
 
+function errorHandle (e) {
+  const err = JSON.parse(e.message)
+  switch (err.code) {
+    case -4:
+      return loadWallet()
+    case -5:
+      return logger.error(`${err}`)
+    case -6:
+      throw new E.InsufficientFundsError()
+    case -18:
+      return createWallet()
+    default:
+      throw e
+  }
+}
+
 function checkCryptoCode (cryptoCode) {
   if (cryptoCode !== 'BTC') return Promise.reject(new Error('Unsupported crypto: ' + cryptoCode))
   return Promise.resolve()
 }
 
+function createWallet () {
+  return fetch('createwallet', ['wallet'])
+    .catch(errorHandle)
+}
+
+function loadWallet () {
+  return fetch('loadwallet', ['wallet', true])
+    .catch(errorHandle)
+}
+
 function accountBalance (cryptoCode) {
   return checkCryptoCode(cryptoCode)
     .then(() => fetch('getwalletinfo'))
     .then(({ balance }) => new BN(balance).shiftedBy(unitScale).decimalPlaces(0))
+    .catch(errorHandle)
 }
 
 function accountUnconfirmedBalance (cryptoCode) {
   return checkCryptoCode(cryptoCode)
     .then(() => fetch('getwalletinfo'))
     .then(({ unconfirmed_balance: balance }) => new BN(balance).shiftedBy(unitScale).decimalPlaces(0))
+    .catch(errorHandle)
 }
 
 // We want a balance that includes all spends (0 conf) but only deposits that
@@ -75,10 +103,7 @@ function sendCoins (account, tx, settings, operatorId, feeMultiplier) {
         txid: pickedObj.txid
       }
     })
-    .catch(err => {
-      if (err.code === -6) throw new E.InsufficientFundsError()
-      throw err
-    })
+    .catch(errorHandle)
 }
 
 function sendCoinsBatch (account, txs, cryptoCode, feeMultiplier) {
@@ -98,20 +123,19 @@ function sendCoinsBatch (account, txs, cryptoCode, feeMultiplier) {
       fee: new BN(pickedObj.fee).abs().shiftedBy(unitScale).decimalPlaces(0),
       txid: pickedObj.txid
     }))
-    .catch(err => {
-      if (err.code === -6) throw new E.InsufficientFundsError()
-      throw err
-    })
+    .catch(errorHandle)
 }
 
 function newAddress (account, info, tx, settings, operatorId) {
   return checkCryptoCode(info.cryptoCode)
     .then(() => fetch('getnewaddress'))
+    .catch(errorHandle)
 }
 
 function addressBalance (address, confs) {
   return fetch('getreceivedbyaddress', [address, confs])
     .then(r => new BN(r).shiftedBy(unitScale).decimalPlaces(0))
+    .catch(errorHandle)
 }
 
 function confirmedBalance (address, cryptoCode) {
@@ -156,6 +180,7 @@ function newFunding (account, cryptoCode, settings, operatorId) {
       fundingConfirmedBalance,
       fundingAddress
     }))
+    .catch(console.log)
 }
 
 function cryptoNetwork (account, cryptoCode, settings, operatorId) {
@@ -169,7 +194,7 @@ function fetchRBF (txId) {
       return [txId, res['bip125-replaceable']]
     })
     .catch(err => {
-      if (err.code === -5) logger.error(`${err.message}`)
+      errorHandle(err)
       return [txId, true]
     })
 }