Merge pull request #101 from akolotov/flattening-for-erc-to-native

Flattening for erc20-to-native contracts

contracts/upgradeable_contracts/README.md

@@ -0,0 +1,3 @@
+Solidity contracts implemeting core bridge functionality.
+
+**Do not forget to update the flattening script when a new bridge mode is being implemented**

flatten.sh

@@ -1,13 +1,22 @@
 #!/usr/bin/env bash
 
-rm -rf flats/*
+if [ -d flats ]; then
+  rm -rf flats
+fi
+
 mkdir -p flats/native_to_erc20
 mkdir -p flats/erc20_to_erc20
+mkdir -p flats/erc20_to_native
 
 ./node_modules/.bin/truffle-flattener contracts/upgradeable_contracts/native_to_erc20/ForeignBridgeNativeToErc.sol > flats/native_to_erc20/ForeignBridgeNativeToErc_flat.sol
 ./node_modules/.bin/truffle-flattener contracts/upgradeable_contracts/native_to_erc20/HomeBridgeNativeToErc.sol > flats/native_to_erc20/HomeBridgeNativeToErc_flat.sol
 
 ./node_modules/.bin/truffle-flattener contracts/upgradeable_contracts/erc20_to_erc20/HomeBridgeErcToErc.sol > flats/erc20_to_erc20/HomeBridgeErcToErc_flat.sol
 ./node_modules/.bin/truffle-flattener contracts/upgradeable_contracts/erc20_to_erc20/ForeignBridgeErcToErc.sol > flats/erc20_to_erc20/ForeignBridgeErcToErc_flat.sol
+
+./node_modules/.bin/truffle-flattener contracts/upgradeable_contracts/erc20_to_native/HomeBridgeErcToNative.sol > flats/erc20_to_native/HomeBridgeErcToNative_flat.sol
+./node_modules/.bin/truffle-flattener contracts/upgradeable_contracts/erc20_to_native/ForeignBridgeErcToNative.sol > flats/erc20_to_native/ForeignBridgeErcToNative_flat.sol
+
 ./node_modules/.bin/truffle-flattener contracts/upgradeability/EternalStorageProxy.sol > flats/EternalStorageProxy_flat.sol
+./node_modules/.bin/truffle-flattener contracts/upgradeable_contracts/BridgeValidators.sol > flats/BridgeValidators_flat.sol
 ./node_modules/.bin/truffle-flattener contracts/ERC677BridgeToken.sol > flats/ERC677BridgeToken_flat.sol