Merge branch 'v2-prototype' into fix/five_decimal_scenario

* v2-prototype: (75 commits)
  Update relayer grid tiles to use Text
  Fix build
  Update file structure
  Update 2.0.0 artifacts
  Move ledgerhq module declarations to typescript-typings
  Export LedgerEthereumClient type in subproviders
  Update artifacts
  Add logging and updated artifacts
  Fix migrations
  Run prettier
  Add Kovan artifacts
  Use ledger subprovider
  Add Kovan migrations
  Remove state variable from Link component in Portal
  Make registerAssetProxy append only
  Update staging api link
  Change getTransactionReceipt to awaitTransactionMined
  Move /docs route to the end
  Remove extra call to scrollIntoView for wallet in onboarding
  Update expectRevertReasonOrAlwaysFailingTransactionAsync to check status codes
  ...

2 files changed, 179 insertions, 0 deletions

diff --git a/packages/contracts/src/1.0.0/EtherDelta/AccountLevels.sol b/packages/contracts/src/1.0.0/EtherDelta/AccountLevels.sol
new file mode 100644
index 000000000..8d7a930d3
--- /dev/null
+++ b/packages/contracts/src/1.0.0/EtherDelta/AccountLevels.sol
@@ -0,0 +1,11 @@
+pragma solidity ^0.4.19;
+
+contract AccountLevels {
+    //given a user, returns an account level
+    //0 = regular user (pays take fee and make fee)
+    //1 = market maker silver (pays take fee, no make fee, gets rebate)
+    //2 = market maker gold (pays take fee, no make fee, gets entire counterparty's take fee as rebate)
+    function accountLevel(address user) constant returns(uint) {
+        return 0;
+    }
+}
diff --git a/packages/contracts/src/1.0.0/EtherDelta/EtherDelta.sol b/packages/contracts/src/1.0.0/EtherDelta/EtherDelta.sol
new file mode 100644
index 000000000..fe599ca0a
--- /dev/null
+++ b/packages/contracts/src/1.0.0/EtherDelta/EtherDelta.sol
@@ -0,0 +1,168 @@
+pragma solidity ^0.4.19;
+
+import { SafeMath } from "../SafeMath/SafeMath_v1.sol";
+import { AccountLevels } from "./AccountLevels.sol";
+import { Token } from "../Token/Token_v1.sol";
+
+contract EtherDelta is SafeMath {
+    address public admin; //the admin address
+    address public feeAccount; //the account that will receive fees
+    address public accountLevelsAddr; //the address of the AccountLevels contract
+    uint public feeMake; //percentage times (1 ether)
+    uint public feeTake; //percentage times (1 ether)
+    uint public feeRebate; //percentage times (1 ether)
+    mapping (address => mapping (address => uint)) public tokens; //mapping of token addresses to mapping of account balances (token=0 means Ether)
+    mapping (address => mapping (bytes32 => bool)) public orders; //mapping of user accounts to mapping of order hashes to booleans (true = submitted by user, equivalent to offchain signature)
+    mapping (address => mapping (bytes32 => uint)) public orderFills; //mapping of user accounts to mapping of order hashes to uints (amount of order that has been filled)
+
+    event Order(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user);
+    event Cancel(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s);
+    event Trade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, address get, address give);
+    event Deposit(address token, address user, uint amount, uint balance);
+    event Withdraw(address token, address user, uint amount, uint balance);
+
+    function EtherDelta(address admin_, address feeAccount_, address accountLevelsAddr_, uint feeMake_, uint feeTake_, uint feeRebate_) {
+        admin = admin_;
+        feeAccount = feeAccount_;
+        accountLevelsAddr = accountLevelsAddr_;
+        feeMake = feeMake_;
+        feeTake = feeTake_;
+        feeRebate = feeRebate_;
+    }
+
+    function() {
+        throw;
+    }
+
+    function changeAdmin(address admin_) {
+        if (msg.sender != admin) throw;
+        admin = admin_;
+    }
+
+    function changeAccountLevelsAddr(address accountLevelsAddr_) {
+        if (msg.sender != admin) throw;
+        accountLevelsAddr = accountLevelsAddr_;
+    }
+
+    function changeFeeAccount(address feeAccount_) {
+        if (msg.sender != admin) throw;
+        feeAccount = feeAccount_;
+    }
+
+    function changeFeeMake(uint feeMake_) {
+        if (msg.sender != admin) throw;
+        if (feeMake_ > feeMake) throw;
+        feeMake = feeMake_;
+    }
+
+    function changeFeeTake(uint feeTake_) {
+        if (msg.sender != admin) throw;
+        if (feeTake_ > feeTake || feeTake_ < feeRebate) throw;
+        feeTake = feeTake_;
+    }
+
+    function changeFeeRebate(uint feeRebate_) {
+        if (msg.sender != admin) throw;
+        if (feeRebate_ < feeRebate || feeRebate_ > feeTake) throw;
+        feeRebate = feeRebate_;
+    }
+
+    function deposit() payable {
+        tokens[0][msg.sender] = safeAdd(tokens[0][msg.sender], msg.value);
+        Deposit(0, msg.sender, msg.value, tokens[0][msg.sender]);
+    }
+
+    function withdraw(uint amount) {
+        if (tokens[0][msg.sender] < amount) throw;
+        tokens[0][msg.sender] = safeSub(tokens[0][msg.sender], amount);
+        if (!msg.sender.call.value(amount)()) throw;
+        Withdraw(0, msg.sender, amount, tokens[0][msg.sender]);
+    }
+
+    function depositToken(address token, uint amount) {
+        //remember to call Token(address).approve(this, amount) or this contract will not be able to do the transfer on your behalf.
+        if (token==0) throw;
+        if (!Token(token).transferFrom(msg.sender, this, amount)) throw;
+        tokens[token][msg.sender] = safeAdd(tokens[token][msg.sender], amount);
+        Deposit(token, msg.sender, amount, tokens[token][msg.sender]);
+    }
+
+    function withdrawToken(address token, uint amount) {
+        if (token==0) throw;
+        if (tokens[token][msg.sender] < amount) throw;
+        tokens[token][msg.sender] = safeSub(tokens[token][msg.sender], amount);
+        if (!Token(token).transfer(msg.sender, amount)) throw;
+        Withdraw(token, msg.sender, amount, tokens[token][msg.sender]);
+    }
+
+    function balanceOf(address token, address user) constant returns (uint) {
+        return tokens[token][user];
+    }
+
+    function order(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce) {
+        bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce);
+        orders[msg.sender][hash] = true;
+        Order(tokenGet, amountGet, tokenGive, amountGive, expires, nonce, msg.sender);
+    }
+
+    function trade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s, uint amount) {
+        //amount is in amountGet terms
+        bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce);
+        if (!(
+            (orders[user][hash] || ecrecover(sha3("\x19Ethereum Signed Message:\n32", hash),v,r,s) == user) &&
+            block.number <= expires &&
+            safeAdd(orderFills[user][hash], amount) <= amountGet
+        )) throw;
+        tradeBalances(tokenGet, amountGet, tokenGive, amountGive, user, amount);
+        orderFills[user][hash] = safeAdd(orderFills[user][hash], amount);
+        Trade(tokenGet, amount, tokenGive, amountGive * amount / amountGet, user, msg.sender);
+    }
+
+    function tradeBalances(address tokenGet, uint amountGet, address tokenGive, uint amountGive, address user, uint amount) private {
+        uint feeMakeXfer = safeMul(amount, feeMake) / (1 ether);
+        uint feeTakeXfer = safeMul(amount, feeTake) / (1 ether);
+        uint feeRebateXfer = 0;
+        if (accountLevelsAddr != 0x0) {
+            uint accountLevel = AccountLevels(accountLevelsAddr).accountLevel(user);
+            if (accountLevel==1) feeRebateXfer = safeMul(amount, feeRebate) / (1 ether);
+            if (accountLevel==2) feeRebateXfer = feeTakeXfer;
+        }
+        tokens[tokenGet][msg.sender] = safeSub(tokens[tokenGet][msg.sender], safeAdd(amount, feeTakeXfer));
+        tokens[tokenGet][user] = safeAdd(tokens[tokenGet][user], safeSub(safeAdd(amount, feeRebateXfer), feeMakeXfer));
+        tokens[tokenGet][feeAccount] = safeAdd(tokens[tokenGet][feeAccount], safeSub(safeAdd(feeMakeXfer, feeTakeXfer), feeRebateXfer));
+        tokens[tokenGive][user] = safeSub(tokens[tokenGive][user], safeMul(amountGive, amount) / amountGet);
+        tokens[tokenGive][msg.sender] = safeAdd(tokens[tokenGive][msg.sender], safeMul(amountGive, amount) / amountGet);
+    }
+
+    function testTrade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s, uint amount, address sender) constant returns(bool) {
+        if (!(
+            tokens[tokenGet][sender] >= amount &&
+            availableVolume(tokenGet, amountGet, tokenGive, amountGive, expires, nonce, user, v, r, s) >= amount
+        )) return false;
+        return true;
+    }
+
+    function availableVolume(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s) constant returns(uint) {
+        bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce);
+        if (!(
+            (orders[user][hash] || ecrecover(sha3("\x19Ethereum Signed Message:\n32", hash),v,r,s) == user) &&
+            block.number <= expires
+        )) return 0;
+        uint available1 = safeSub(amountGet, orderFills[user][hash]);
+        uint available2 = safeMul(tokens[tokenGive][user], amountGet) / amountGive;
+        if (available1<available2) return available1;
+        return available2;
+    }
+
+    function amountFilled(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s) constant returns(uint) {
+        bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce);
+        return orderFills[user][hash];
+    }
+
+    function cancelOrder(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, uint8 v, bytes32 r, bytes32 s) {
+        bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce);
+        if (!(orders[msg.sender][hash] || ecrecover(sha3("\x19Ethereum Signed Message:\n32", hash),v,r,s) == msg.sender)) throw;
+        orderFills[msg.sender][hash] = amountGet;
+        Cancel(tokenGet, amountGet, tokenGive, amountGive, expires, nonce, msg.sender, v, r, s);
+    }
+}