feat: icon bridge migration (#872)

devnet/docker/icon-bsc/scripts/bts.js

@@ -1,4 +1,4 @@
-const BTSCore = artifacts.require("BTSCore");
+const BTSCore = artifacts.require("BTSCoreV5");
 const BTSOwnerManager = artifacts.require("BTSOwnerManager");
 module.exports = async function (callback) {
     try {
@@ -27,6 +27,11 @@ module.exports = async function (callback) {
             tx = await btsCore.updateCoinDb()
             console.log(tx)
             break;
+        case "moveLockedEth":
+            console.log("Move Locked Eth ", argv.addr)
+            tx = await btsCore.moveLockedEth(argv.addr)
+            console.log(tx)
+            break;
         case "addOwner":
             console.log("Add bts owner ", argv.addr)
             tx = await btsOwnerManager.addOwner(argv.addr)

devnet/docker/icon-bsc/scripts/migrate_locked_eth.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+set -e
+
+source config.sh
+source rpc.sh
+
+export PRIVATE_KEY="[\""$(cat $BSC_KEY_STORE.priv)"\"]"
+
+# Address to transfer the funds to
+ADDR=0x69e81Cea7889608A63947814893ad1B86DcC03Aa
+
+moveLockedEth() {
+  echo "transferring all locked ETH to  ${ADDR}"
+  cd $CONTRACTS_DIR/solidity/bmc
+  tx=$(truffle exec --network bsc "$SCRIPTS_DIR"/bts.js \
+    --method moveLockedEth --addr "${ADDR}")
+  echo "$tx" >$CONFIG_DIR/tx/moveLockedEth.bts.bsc
+}
+
+moveLockedEth

devnet/docker/icon-bsc/scripts/transfer_icon_eth_ownership.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+set -e
+
+source config.sh
+source rpc.sh
+
+# Address of new owner of ETH token on ICON
+ADDR=hx80e312d8e68ee2db8fb95e6e7daae2e770d0e368
+
+transferEthOwnership() {
+    cd $CONFIG_DIR
+
+    if [ ! -f icon.addr.bts ]; then
+        echo "BTS address file icon.addr.bts does not exist"
+        exit
+    fi
+
+    goloop rpc sendtx call --to $(cat icon.addr.bts) \
+        --method transferOwnership \
+        --param _name=btp-0x38.bsc-ETH \
+        --param to=${ADDR} | jq -r . >tx/transferTokenOwnership.icon
+    sleep 3
+    ensure_txresult tx/transferTokenOwnership.icon
+    echo "Ownership of ETH transferred to ${ADDR} " 
+}
+
+transferEthOwnership

javascore/bts/src/main/java/foundation/icon/btp/bts/BTPTokenService.java

@@ -270,6 +270,20 @@ public BigInteger getSn() {
         return sn.get();
     }
 
+    /**
+     * Transfer ownership of token contract to somewhere else
+     * 
+     * @param _name Reegistered name of the token
+     * @param to    New owner
+     */
+    @External
+    public void transferOwnership(String _name, Address to) {
+        requireOwnerAccess();
+        Address tokenAddr = coinAddresses.get(_name);
+        Context.require(tokenAddr != null, "Token not registered");
+        Context.call(ZERO_SCORE_ADDRESS, "setScoreOwner", tokenAddr, to);
+    }
+
     /**
      * Add users to blacklist on certain networks
      * Maintains information of all addresses blacklisted on all chains
@@ -484,6 +498,12 @@ public void tokenFallback(Address _from, BigInteger _value, byte[] _data) {
         checkUintLimit(_value);
         String _coinName = coinAddressName.get(Context.getCaller());
         if (_coinName != null && !Context.getAddress().equals(_from)) {
+
+            // icon bridge migration checks
+            requireNotEth(_coinName);
+            Coin coin = coinDb.get(_coinName);
+            require(coin.getCoinType() == NATIVE_WRAPPED_COIN_TYPE, "Cannnot transfer icon tokens anymore.");
+
             Context.require(coinAddresses.get(_coinName) != null, "CoinNotExists");
             Balance _userBalance = getBalance(_coinName, _from);
             _userBalance.setUsable(_userBalance.getUsable().add(_value));
@@ -547,6 +567,10 @@ public void reclaim(String _coinName, BigInteger _value) {
     @Payable
     @External
     public void transferNativeCoin(String _to) {
+
+        // icon bridge migration checks
+        Context.revert("Cannot transfer ICX.");
+
         Context.require(_to.length() < 100, "Length Check");
 
         BigInteger value = Context.getValue();
@@ -580,6 +604,11 @@ public void transfer(String _coinName, BigInteger _value, String _to) {
         require(isRegistered(_coinName), "Not supported Token");
         Context.require(_to.length() < 100, "Length Check");
 
+        // icon bridge migration checks
+        requireNotEth(_coinName);
+        Coin coin = coinDb.get(_coinName);
+        require(coin.getCoinType() == NATIVE_WRAPPED_COIN_TYPE, "Cannnot transfer icon tokens anymore.");
+
         Address owner = Context.getCaller();
         BTPAddress to = BTPAddress.valueOf(_to);
         checkRestrictions(_coinName, Context.getCaller().toString(), to, _value);
@@ -613,6 +642,7 @@ public void transferBatch(String[] _coinNames, BigInteger[] _values, String _to)
 
         int tempLen = len;
         if (icxValue != null && icxValue.compareTo(BigInteger.ZERO) > 0) {
+            Context.revert("Cannot transfer ICX.");
             tempLen = tempLen + 1;
             checkTokenLimit(name, icxValue);
             coinNameList.add(name);
@@ -629,6 +659,12 @@ public void transferBatch(String[] _coinNames, BigInteger[] _values, String _to)
         for (int i = 0; i < len; i++) {
             String coinName = _coinNames[i];
             BigInteger value = _values[i];
+
+            // icon bridge migration checks
+            requireNotEth(coinName);
+            Coin coin = coinDb.get(coinName);
+            require(coin.getCoinType() == NATIVE_WRAPPED_COIN_TYPE, "Cannnot transfer icon tokens anymore.");
+
             require(!name.equals(coinName) && this.coinNames.contains(coinName), "Not supported Token");
             require(value != null && value.compareTo(BigInteger.ZERO) > 0, "Invalid amount");
             checkUintLimit(value);
@@ -1501,4 +1537,8 @@ private void checkUintLimit(BigInteger value) {
         require(UINT_CAP.compareTo(value) >= 0, "Value cannot exceed uint(256)-1");
     }
 
+    private void requireNotEth(String name) {
+        String ethName = "btp-0x38.bsc-ETH";
+        require(!name.equals(ethName), "NotETH");
+    }
 }