Merge pull request #24 from k1rill-fedoseev/master

src/deploy/deploy-home/contracts/BasicBridge.sol

@@ -123,11 +123,19 @@ contract BasicBridge {
     }
 
     function getX() view public returns (uint) {
-        return states[epoch].x;
+        return getX(epoch);
+    }
+
+    function getX(uint16 _epoch) view public returns (uint) {
+        return states[_epoch].x;
     }
 
     function getY() view public returns (uint) {
-        return states[epoch].y;
+        return getY(epoch);
+    }
+
+    function getY(uint16 _epoch) view public returns (uint) {
+        return states[_epoch].y;
     }
 
     function getCloseEpoch() view public returns (bool) {

src/ethereum-testnet/side-oracle/index.js

@@ -63,17 +63,20 @@ async function initialize() {
       sideProvider = new ethers.providers.JsonRpcProvider(SIDE_RPC_URL)
       homeProvider = new ethers.providers.JsonRpcProvider(HOME_RPC_URL)
 
-      homeWallet = new ethers.Wallet(HOME_PRIVATE_KEY, homeProvider)
+      await sideProvider.getNetwork()
-      bridge = new ethers.Contract(HOME_BRIDGE_ADDRESS, bridgeAbi, homeWallet)
+      await homeProvider.getNetwork()
-      sharedDb = new ethers.Contract(SIDE_SHARED_DB_ADDRESS, sharedDbAbi, sideProvider)
-
-      nonce = await homeWallet.getTransactionCount()
       break
     } catch (e) {
       console.log('Cannot create providers')
       await delay(1000)
     }
   }
+
+  homeWallet = new ethers.Wallet(HOME_PRIVATE_KEY, homeProvider)
+  bridge = new ethers.Contract(HOME_BRIDGE_ADDRESS, bridgeAbi, homeWallet)
+  sharedDb = new ethers.Contract(SIDE_SHARED_DB_ADDRESS, sharedDbAbi, sideProvider)
+
+  nonce = await homeWallet.getTransactionCount()
 }
 
 async function loop() {

src/oracle/ethWatcher/ethWatcher.js

@@ -23,6 +23,8 @@ const bridgeAbi = [
   'event EpochStart(uint16 indexed epoch, uint256 x, uint256 y)',
   'event EpochClose(uint16 indexed epoch)',
   'event ForceSign()',
+  'function getX(uint16 epoch) view returns (uint256)',
+  'function getY(uint16 epoch) view returns (uint256)',
   'function getThreshold(uint16 epoch) view returns (uint16)',
   'function getParties(uint16 epoch) view returns (uint16)',
   'function getRangeSize(uint16 epoch) view returns (uint16)',
@@ -92,11 +94,15 @@ async function resetFutureMessages(queue) {
 
 async function sendKeygen(event) {
   const { newEpoch } = event.values
+  const [threshold, parties] = await Promise.all([
+    bridge.getThreshold(newEpoch),
+    bridge.getParties(newEpoch)
+  ])
   keygenQueue.send({
     epoch: newEpoch,
     blockNumber,
-    threshold: await bridge.getThreshold(newEpoch),
+    threshold,
-    parties: await bridge.getParties(newEpoch)
+    parties
   })
   logger.debug('Sent keygen start event')
 }
@@ -112,13 +118,26 @@ function sendKeygenCancellation(event) {
 
 async function sendSignFundsTransfer(event) {
   const { newEpoch, oldEpoch } = event.values
+  const [
+    x, y, threshold, parties
+  ] = await Promise.all([
+    bridge.getX(newEpoch).then((value) => new BN(value).toString(16)),
+    bridge.getY(newEpoch).then((value) => new BN(value).toString(16)),
+    bridge.getThreshold(oldEpoch),
+    bridge.getParties(oldEpoch)
+  ])
+  const recipient = publicKeyToAddress({
+    x,
+    y
+  })
   signQueue.send({
     epoch: oldEpoch,
     blockNumber,
     newEpoch,
     nonce: foreignNonce[oldEpoch],
-    threshold: await bridge.getThreshold(oldEpoch),
+    recipient,
-    parties: await bridge.getParties(oldEpoch)
+    threshold,
+    parties
   })
   logger.debug('Sent sign funds transfer event')
   foreignNonce[oldEpoch] += 1
@@ -161,12 +180,16 @@ async function sendSign(event, transactionHash) {
 }
 
 async function sendStartSign() {
+  const [threshold, parties] = await Promise.all([
+    bridge.getThreshold(epoch),
+    bridge.getParties(epoch)
+  ])
   signQueue.send({
     epoch,
     blockNumber,
     nonce: foreignNonce[epoch],
-    threshold: await bridge.getThreshold(epoch),
+    threshold,
-    parties: await bridge.getParties(epoch)
+    parties
   })
   foreignNonce[epoch] += 1
   redisTx.incr(`foreignNonce${epoch}`)
@@ -189,12 +212,16 @@ async function processEpochStart(event) {
 
 async function sendEpochClose() {
   logger.debug(`Consumed epoch ${epoch} close event`)
+  const [threshold, parties] = await Promise.all([
+    bridge.getThreshold(epoch),
+    bridge.getParties(epoch)
+  ])
   signQueue.send({
     closeEpoch: epoch,
     blockNumber,
     nonce: foreignNonce[epoch],
-    threshold: await bridge.getThreshold(epoch),
+    threshold,
-    parties: await bridge.getParties(epoch)
+    parties
   })
   foreignNonce[epoch] += 1
   redisTx.incr(`foreignNonce${epoch}`)

src/oracle/tss-sign/signer.js

@@ -222,7 +222,9 @@ function getAccountBalance(account, asset) {
 }
 
 async function buildTx(from, account, data) {
-  const { closeEpoch, newEpoch, nonce } = data
+  const {
+    closeEpoch, newEpoch, nonce, recipient: to
+  } = data
 
   const txOptions = {
     from,
@@ -237,13 +239,6 @@ async function buildTx(from, account, data) {
 
     txOptions.flags = 0x01
   } else if (newEpoch) {
-    const newKeysFile = `/keys/keys${newEpoch}.store`
-    const to = getAccountFromFile(newKeysFile).address
-
-    if (to === '') {
-      return { tx: null }
-    }
-
     logger.info(`Building corresponding transaction for transferring all funds, nonce ${nonce}, recipient ${to}`)
     const fee = await getFee()